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Shared handbook ancestry is retained; distinct dataset copies are not independent measurements.", "import_filter": "PolyMetriX", "evidence": "https://lamalab-org.github.io/PolyMetriX/datasets/", "reviewed": "2026-10-20", "link_check": { "url": "https://doi.org/10.5281/zenodo.14980914", "status": "Retrieved document/page", "http_status": 200, "final_url": "https://zenodo.org/records/14980914", "content_type": "text/html; charset=utf-8", "body_prefix_sha256": "8a00976732c3b3dd69ce1112f1b288877e1b69a3f4d632ba5009011f005039e4", "bytes_inspected": 75411, "numeric_source": true, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" }, "evidence_link_check": { "url": "https://lamalab-org.github.io/PolyMetriX/datasets/", "status": "Retrieved document/page", "http_status": 200, "final_url": "https://lamalab-org.github.io/PolyMetriX/datasets/", "content_type": "text/html; charset=utf-8", "body_prefix_sha256": "3f0cf7c85a5b02019e8fdc907966258691236ae04530fef8116342516fb58169", "bytes_inspected": 30480, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" } }, { "id": "cmb", "name": "CMB-S4 cryogenic material references", "organization": "CMB-S4 collaboration", "region": "US / International", "kind": "Research dataset", "coverage": "Cryogenic thermal-material bibliography and fit sources", "url": "https://github.com/CMB-S4/Cryogenic_Material_Properties", "access": "Open repository", "status": "References imported", "notes": "Bibliographic leads only in this release; no new numerical fits were imported. Source commit is retained in material records.", "import_filter": "cmb", "evidence": "https://github.com/CMB-S4/Cryogenic_Material_Properties", "reviewed": "2026-10-20", "link_check": { "url": "https://github.com/CMB-S4/Cryogenic_Material_Properties", "status": "Blocked or challenge", "http_status": 200, "final_url": "https://github.com/CMB-S4/Cryogenic_Material_Properties", "content_type": "text/html; charset=utf-8", "body_prefix_sha256": "4b7c18432c8f9920316e1c1b2936385070a02a0bae7beb9de46d5b9d76e034de", "bytes_inspected": 131072, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" }, "evidence_link_check": { "url": "https://github.com/CMB-S4/Cryogenic_Material_Properties", "status": "Blocked or challenge", "http_status": 200, "final_url": "https://github.com/CMB-S4/Cryogenic_Material_Properties", "content_type": "text/html; charset=utf-8", "body_prefix_sha256": "4b7c18432c8f9920316e1c1b2936385070a02a0bae7beb9de46d5b9d76e034de", "bytes_inspected": 131072, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" } }, { "id": "matweb", "name": "MatWeb", "organization": "MatWeb LLC", "region": "US", "kind": "Commercial reference", "coverage": "Metals, polymers, ceramics, composites and manufacturer grades", "url": "https://www.matweb.com/search/MaterialGroupSearch.aspx", "access": "Provider license", "status": "External catalog", "notes": "Open the complete provider catalog. Public redistribution and mass export are prohibited by its terms; IICSM contains no MatWeb mirror.", "import_filter": "", "evidence": "https://www.matweb.com/reference/terms.aspx", "reviewed": "2026-10-20", "link_check": { "url": "https://www.matweb.com/search/MaterialGroupSearch.aspx", "status": "Blocked or challenge", "http_status": 403, "final_url": "https://www.matweb.com/search/MaterialGroupSearch.aspx", "content_type": "text/html; charset=UTF-8", "body_prefix_sha256": "03c53e80df208c08e5d40b52d30b44a31632cc9b3adb3e2f846c2b5e16dffe0a", "bytes_inspected": 5487, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" }, "evidence_link_check": { "url": "https://www.matweb.com/reference/terms.aspx", "status": "Blocked or challenge", "http_status": 403, "final_url": "https://www.matweb.com/reference/terms.aspx", "content_type": "text/html; charset=UTF-8", "body_prefix_sha256": "a94fbff6ef3c81379b2a4d12fa94fbe0247d3fcafa2a7852236fdfb84a3947c2", "bytes_inspected": 5433, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" } }, { "id": "granta", "name": "Ansys Granta materials data", "organization": "Ansys", "region": "US / International", "kind": "Commercial reference", "coverage": "Curated simulation properties, MaterialUniverse and specialist libraries", "url": "https://www.ansys.com/products/materials/materials-data-for-simulation", "access": "Subscription / license", "status": "External catalog", "notes": "Access through your Ansys license. No Granta or MaterialUniverse numerical data have been copied into IICSM.", "import_filter": "", "evidence": "https://www.ansys.com/products/materials/materials-data-for-simulation", "reviewed": "2026-10-20", "link_check": { "url": "https://www.ansys.com/products/materials/materials-data-for-simulation", "status": "Blocked or challenge", "http_status": 200, "final_url": "https://ansys.synopsys.com/products/materials/materials-data-library", "content_type": "text/html;charset=utf-8", "body_prefix_sha256": "a71127ed6a4c43f5f55cefb0bf493d0964b60d8be5ab10149cf16c9a28f0a0e8", "bytes_inspected": 131072, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" }, "evidence_link_check": { "url": "https://www.ansys.com/products/materials/materials-data-for-simulation", "status": "Blocked or challenge", "http_status": 200, "final_url": "https://ansys.synopsys.com/products/materials/materials-data-library", "content_type": "text/html;charset=utf-8", "body_prefix_sha256": "a71127ed6a4c43f5f55cefb0bf493d0964b60d8be5ab10149cf16c9a28f0a0e8", "bytes_inspected": 131072, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" } }, { "id": "mmpds", "name": "MMPDS", "organization": "MMPDS consortium / Battelle", "region": "US", "kind": "Design handbook", "coverage": "Statistically based metallic-material design properties and allowables", "url": "https://www.mmpds.org/", "access": "Purchase / license", "status": "External catalog", "notes": "Use the applicable licensed edition. Design allowables and a sample standard deviation serve different purposes.", "import_filter": "", "evidence": "https://www.mmpds.org/", "reviewed": "2026-10-20", "link_check": { "url": "https://www.mmpds.org/", "status": "Retrieved document/page", "http_status": 200, "final_url": "https://www.mmpds.org/", "content_type": "text/html; charset=UTF-8", "body_prefix_sha256": "d5ba6007ffa04eb8ed1f0d5c2e29a65d937b4f7a91162948cd6cff4a281c1ebc", "bytes_inspected": 127806, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" }, "evidence_link_check": { "url": "https://www.mmpds.org/", "status": "Retrieved document/page", "http_status": 200, "final_url": "https://www.mmpds.org/", "content_type": "text/html; charset=UTF-8", "body_prefix_sha256": "d5ba6007ffa04eb8ed1f0d5c2e29a65d937b4f7a91162948cd6cff4a281c1ebc", "bytes_inspected": 127806, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" } }, { "id": "polyinfo", "name": "NIMS PoLyInfo", "organization": "NIMS", "region": "Japan", "kind": "Government laboratory", "coverage": "Polymer structures, properties and supporting literature", "url": "https://polymer.nims.go.jp/en/", "access": "Provider account / terms", "status": "External catalog", "notes": "Search at the provider. No bulk PoLyInfo database has been copied into IICSM.", "import_filter": "", "evidence": "https://polymer.nims.go.jp/en/", "reviewed": "2026-10-20", "link_check": { "url": "https://polymer.nims.go.jp/en/", "status": "Retrieved document/page", "http_status": 200, "final_url": "https://polymer.nims.go.jp/en/", "content_type": "text/html; charset=UTF-8", "body_prefix_sha256": "f5536a81a6212db1e0faafb091a3edc8303b29389f734b1a530e2632ac679c41", "bytes_inspected": 23449, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" }, "evidence_link_check": { "url": "https://polymer.nims.go.jp/en/", "status": "Retrieved document/page", "http_status": 200, "final_url": "https://polymer.nims.go.jp/en/", "content_type": "text/html; charset=UTF-8", "body_prefix_sha256": "f5536a81a6212db1e0faafb091a3edc8303b29389f734b1a530e2632ac679c41", "bytes_inspected": 23449, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" } }, { "id": "campus", "name": "CAMPUS Plastics", "organization": "CAMPUS / participating producers", "region": "International", "kind": "Manufacturer consortium", "coverage": "Standardized plastics grade data and property curves", "url": "https://www.campusplastics.com/campus/en", "access": "Provider terms", "status": "External catalog", "notes": "Compare the exact manufacturer, grade and test standard; provider data are not mirrored.", "import_filter": "", "evidence": "https://www.campusplastics.com/campus/en", "reviewed": "2026-10-20", "link_check": { "url": "https://www.campusplastics.com/campus/en", "status": "Retrieved document/page", "http_status": 200, "final_url": "https://www.campusplastics.com/campus/en", "content_type": "text/html", "body_prefix_sha256": "8d1bda3758d8735097b7c9186fbbac9058505c44667993d6bd12c14e2ce0ab77", "bytes_inspected": 9817, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" }, "evidence_link_check": { "url": "https://www.campusplastics.com/campus/en", "status": "Retrieved document/page", "http_status": 200, "final_url": "https://www.campusplastics.com/campus/en", "content_type": "text/html", "body_prefix_sha256": "8d1bda3758d8735097b7c9186fbbac9058505c44667993d6bd12c14e2ce0ab77", "bytes_inspected": 9817, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" } }, { "id": "materials-project", "name": "Materials Project", "organization": "Lawrence Berkeley National Laboratory", "region": "US", "kind": "Government laboratory", "coverage": "Computed inorganic structures and properties", "url": "https://materialsproject.org/", "access": "Account / API terms", "status": "External catalog", "notes": "Explore the provider catalog. Computational predictions do not substitute for specimen-specific measurements.", "import_filter": "", "evidence": "https://pages.nist.gov/remi/data/", "reviewed": "2026-10-20", "link_check": { "url": "https://materialsproject.org/", "status": "Blocked or challenge", "http_status": 403, "final_url": "https://next-gen.materialsproject.org/", "content_type": "text/html; charset=UTF-8", "body_prefix_sha256": "363d8222e7fda04994d43a9ea51290467570a6ba94ece15f0f938fd1172ee0c2", "bytes_inspected": 5537, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" }, "evidence_link_check": { "url": "https://pages.nist.gov/remi/data/", "status": "Retrieved document/page", "http_status": 200, "final_url": "https://pages.nist.gov/remi/data/", "content_type": "text/html", "body_prefix_sha256": "1b65ae8734a14b9cbbd70a8324b5c511be50fc7b2f7dab249a77544e99bfd0f3", "bytes_inspected": 9724, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" } }, { "id": "mdf", "name": "Materials Data Facility", "organization": "MDF research infrastructure", "region": "US", "kind": "Research infrastructure", "coverage": "Discoverable experimental and computational datasets", "url": "https://www.materialsdatafacility.org/", "access": "Dataset-specific", "status": "External catalog", "notes": "Retain the deposit DOI and license; dataset files and metadata have different access conditions.", "import_filter": "", "evidence": "https://www.materialsdatafacility.org/", "reviewed": "2026-10-20", "link_check": { "url": "https://www.materialsdatafacility.org/", "status": "Retrieved document/page", "http_status": 200, "final_url": "https://www.materialsdatafacility.org/", "content_type": "text/html; charset=utf-8", "body_prefix_sha256": "92cb5dde07d05760ab9d3716e4c022c996b4bd2052ab0e48dca2e0e3c763c6b5", "bytes_inspected": 62126, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" }, "evidence_link_check": { "url": "https://www.materialsdatafacility.org/", "status": "Retrieved document/page", "http_status": 200, "final_url": "https://www.materialsdatafacility.org/", "content_type": "text/html; charset=utf-8", "body_prefix_sha256": "92cb5dde07d05760ab9d3716e4c022c996b4bd2052ab0e48dca2e0e3c763c6b5", "bytes_inspected": 62126, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" } }, { "id": "oqmd", "name": "Open Quantum Materials Database", "organization": "OQMD research team", "region": "US", "kind": "Research infrastructure", "coverage": "Computed inorganic formation energies and structures", "url": "https://oqmd.org/", "access": "Provider terms", "status": "External catalog", "notes": "Open the complete provider search; computational materials remain a separate data class.", "import_filter": "", "evidence": "https://pages.nist.gov/remi/data/", "reviewed": "2026-10-20", "link_check": { "url": "https://oqmd.org/", "status": "HTTP error / unresolved", "http_status": 502, "final_url": "https://oqmd.org/", "content_type": "text/html; charset=UTF-8", "body_prefix_sha256": "8128514a9917b6dcdf20f7ee24d6b00a27b2a6aa0f971acb988f358f25ac4005", "bytes_inspected": 332, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" }, "evidence_link_check": { "url": "https://pages.nist.gov/remi/data/", "status": "Retrieved document/page", "http_status": 200, "final_url": "https://pages.nist.gov/remi/data/", "content_type": "text/html", "body_prefix_sha256": "1b65ae8734a14b9cbbd70a8324b5c511be50fc7b2f7dab249a77544e99bfd0f3", "bytes_inspected": 9724, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" } }, { "id": "aflow", "name": "AFLOW materials discovery", "organization": "AFLOW consortium", "region": "US / International", "kind": "Research infrastructure", "coverage": "High-throughput computational structures and properties", "url": "https://aflow.org/", "access": "Provider terms", "status": "External catalog", "notes": "Use the provider search and citation policy; 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inspect substrate, deposition and measurement conditions.", "import_filter": "", "evidence": "https://htem.nrel.gov/about/", "reviewed": "2026-10-20", "link_check": { "url": "https://htem.nrel.gov/", "status": "Connection unresolved", "error": "[Errno 11001] getaddrinfo failed", "numeric_source": false, "value_support": "Not verified", "checked_date": "2026-10-20" }, "evidence_link_check": { "url": "https://htem.nrel.gov/about/", "status": "Connection unresolved", "error": "[Errno 11001] getaddrinfo failed", "numeric_source": false, "value_support": "Not verified", "checked_date": "2026-10-20" } }, { "id": "osti", "name": "DOE OSTI / Data Explorer", "organization": "US Department of Energy", "region": "US", "kind": "Government laboratory", "coverage": "Materials research reports and datasets from DOE laboratories", "url": "https://www.osti.gov/search-tools", "access": "Dataset-specific", "status": "External catalog", "notes": "Find original laboratory datasets and reports; reuse follows the individual record and rights notice.", "import_filter": "", "evidence": "https://www.osti.gov/search-tools", "reviewed": "2026-10-20", "link_check": { "url": "https://www.osti.gov/search-tools", "status": "Retrieved document/page", "http_status": 200, "final_url": "https://www.osti.gov/search-tools", "content_type": "text/html; charset=utf-8", "body_prefix_sha256": "4d4ab8a6b3ef37981c03ce71832e5da747ae1669c7321a06c406de5d3c25e2e5", "bytes_inspected": 131072, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" }, "evidence_link_check": { "url": "https://www.osti.gov/search-tools", "status": "Retrieved document/page", "http_status": 200, "final_url": "https://www.osti.gov/search-tools", "content_type": "text/html; charset=utf-8", "body_prefix_sha256": "4d4ab8a6b3ef37981c03ce71832e5da747ae1669c7321a06c406de5d3c25e2e5", "bytes_inspected": 131072, "numeric_source": false, "value_support": "Not established by HTTP check; inspect the exact retained table/record.", "checked_date": "2026-10-20" } }, { "id": "wood", "name": "Wood Handbook: Wood as an Engineering Material", "organization": "USDA Forest Products Laboratory", "region": "US", "kind": "Government laboratory", "coverage": "Wood physical, thermal and mechanical properties; 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