{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:TGDHPT2L25SN4FOR3VBXGE5XD2","short_pith_number":"pith:TGDHPT2L","canonical_record":{"source":{"id":"1703.01840","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-03-06T12:39:20Z","cross_cats_sorted":[],"title_canon_sha256":"8aefa7c8a7bd5a0ded6cb0ae2d6d9bc499b4d9fef3b77a2db09e7ef1c23c20ba","abstract_canon_sha256":"f13276e51aea3ea4c98a798ffcbda70282e68e4d363e33f0a1f795763874560a"},"schema_version":"1.0"},"canonical_sha256":"998677cf4bd764de15d1dd437313b71ead6a65b674e7a2548c834f59be32ff87","source":{"kind":"arxiv","id":"1703.01840","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.01840","created_at":"2026-05-18T00:49:29Z"},{"alias_kind":"arxiv_version","alias_value":"1703.01840v1","created_at":"2026-05-18T00:49:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.01840","created_at":"2026-05-18T00:49:29Z"},{"alias_kind":"pith_short_12","alias_value":"TGDHPT2L25SN","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"TGDHPT2L25SN4FOR","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"TGDHPT2L","created_at":"2026-05-18T12:31:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:TGDHPT2L25SN4FOR3VBXGE5XD2","target":"record","payload":{"canonical_record":{"source":{"id":"1703.01840","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-03-06T12:39:20Z","cross_cats_sorted":[],"title_canon_sha256":"8aefa7c8a7bd5a0ded6cb0ae2d6d9bc499b4d9fef3b77a2db09e7ef1c23c20ba","abstract_canon_sha256":"f13276e51aea3ea4c98a798ffcbda70282e68e4d363e33f0a1f795763874560a"},"schema_version":"1.0"},"canonical_sha256":"998677cf4bd764de15d1dd437313b71ead6a65b674e7a2548c834f59be32ff87","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:49:29.534640Z","signature_b64":"IZua8lYDBqTRwLkag+ApEOIKre/CViOmZfkFuwIF6wA8CXj/c0Z4ghAFdslZSbSMv2rkSh4f4zjFtJgWJuAeCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"998677cf4bd764de15d1dd437313b71ead6a65b674e7a2548c834f59be32ff87","last_reissued_at":"2026-05-18T00:49:29.533944Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:49:29.533944Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.01840","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:49:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MpHjzW8tyTOXAU5yeUQegZiyqyny9KVcB85YdlIxskxBdP0mnWw4YVroac8/9FwlBnxsbihjiUsmbwzOQ19pBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T18:10:47.579357Z"},"content_sha256":"11ea1f3f726c22b0ba16c445f4d2a292e561a5aa89f2a2e795f4db5477c2b81c","schema_version":"1.0","event_id":"sha256:11ea1f3f726c22b0ba16c445f4d2a292e561a5aa89f2a2e795f4db5477c2b81c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:TGDHPT2L25SN4FOR3VBXGE5XD2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Benefits of Resource Strategy for Sustainable Materials Research and Development","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andrea Thorenz, Armin Reller, Axel Tuma, Christoph Helbig, Christoph Kolotzek, Mario Schafnitzel, Stephan Krohns","submitted_at":"2017-03-06T12:39:20Z","abstract_excerpt":"Material and product life cycles are based on complex value chains of technology-specific elements. Resource strategy aspects of essential and strategic raw materials have a direct impact on applications of new functionalized materials or the development of novel products. Thus, an urgent challenge of modern materials science is to obtain information about the supply risk and environmental aspects of resource utilization, especially at an early stage of basic research. Combining the fields of materials science, industrial engineering and resource strategy enables a multidisciplinary research a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.01840","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:49:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KtlQcEx30q/vluaAYqb42O8ksngchm4ux0qsdJhV2+2A9ToQ5ozTXfGTAVsXj3+8/tPn/IS3YLK0MJUXX42BAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T18:10:47.579715Z"},"content_sha256":"dcc91eebf161f4bb98210b3a9e9438eaa47309350f1cdf76dcd1f9fb2b1e18c7","schema_version":"1.0","event_id":"sha256:dcc91eebf161f4bb98210b3a9e9438eaa47309350f1cdf76dcd1f9fb2b1e18c7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TGDHPT2L25SN4FOR3VBXGE5XD2/bundle.json","state_url":"https://pith.science/pith/TGDHPT2L25SN4FOR3VBXGE5XD2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TGDHPT2L25SN4FOR3VBXGE5XD2/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-19T18:10:47Z","links":{"resolver":"https://pith.science/pith/TGDHPT2L25SN4FOR3VBXGE5XD2","bundle":"https://pith.science/pith/TGDHPT2L25SN4FOR3VBXGE5XD2/bundle.json","state":"https://pith.science/pith/TGDHPT2L25SN4FOR3VBXGE5XD2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TGDHPT2L25SN4FOR3VBXGE5XD2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:TGDHPT2L25SN4FOR3VBXGE5XD2","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f13276e51aea3ea4c98a798ffcbda70282e68e4d363e33f0a1f795763874560a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-03-06T12:39:20Z","title_canon_sha256":"8aefa7c8a7bd5a0ded6cb0ae2d6d9bc499b4d9fef3b77a2db09e7ef1c23c20ba"},"schema_version":"1.0","source":{"id":"1703.01840","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.01840","created_at":"2026-05-18T00:49:29Z"},{"alias_kind":"arxiv_version","alias_value":"1703.01840v1","created_at":"2026-05-18T00:49:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.01840","created_at":"2026-05-18T00:49:29Z"},{"alias_kind":"pith_short_12","alias_value":"TGDHPT2L25SN","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"TGDHPT2L25SN4FOR","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"TGDHPT2L","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:dcc91eebf161f4bb98210b3a9e9438eaa47309350f1cdf76dcd1f9fb2b1e18c7","target":"graph","created_at":"2026-05-18T00:49:29Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Material and product life cycles are based on complex value chains of technology-specific elements. Resource strategy aspects of essential and strategic raw materials have a direct impact on applications of new functionalized materials or the development of novel products. Thus, an urgent challenge of modern materials science is to obtain information about the supply risk and environmental aspects of resource utilization, especially at an early stage of basic research. Combining the fields of materials science, industrial engineering and resource strategy enables a multidisciplinary research a","authors_text":"Andrea Thorenz, Armin Reller, Axel Tuma, Christoph Helbig, Christoph Kolotzek, Mario Schafnitzel, Stephan Krohns","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-03-06T12:39:20Z","title":"Benefits of Resource Strategy for Sustainable Materials Research and Development"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.01840","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:11ea1f3f726c22b0ba16c445f4d2a292e561a5aa89f2a2e795f4db5477c2b81c","target":"record","created_at":"2026-05-18T00:49:29Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f13276e51aea3ea4c98a798ffcbda70282e68e4d363e33f0a1f795763874560a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-03-06T12:39:20Z","title_canon_sha256":"8aefa7c8a7bd5a0ded6cb0ae2d6d9bc499b4d9fef3b77a2db09e7ef1c23c20ba"},"schema_version":"1.0","source":{"id":"1703.01840","kind":"arxiv","version":1}},"canonical_sha256":"998677cf4bd764de15d1dd437313b71ead6a65b674e7a2548c834f59be32ff87","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"998677cf4bd764de15d1dd437313b71ead6a65b674e7a2548c834f59be32ff87","first_computed_at":"2026-05-18T00:49:29.533944Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:49:29.533944Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IZua8lYDBqTRwLkag+ApEOIKre/CViOmZfkFuwIF6wA8CXj/c0Z4ghAFdslZSbSMv2rkSh4f4zjFtJgWJuAeCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:49:29.534640Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.01840","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11ea1f3f726c22b0ba16c445f4d2a292e561a5aa89f2a2e795f4db5477c2b81c","sha256:dcc91eebf161f4bb98210b3a9e9438eaa47309350f1cdf76dcd1f9fb2b1e18c7"],"state_sha256":"c8020b9c73a1581e1d8cd65adf93051cc56f5fa4b5c77b01a3193c7e0f642ca7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o8wr3Y7X3nJw0hsR/rUfUVF3wqnNxycomnZdzKGIvPqxcCMK9MOyY8yvIBUD4/UGrGxbBgAmwoUoYnMAD3uLBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T18:10:47.581718Z","bundle_sha256":"959c940d17074a073ff97c20bcf3d5676700f097fb974aad043fa2c82c4d0945"}}