{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:HCTFXGYNONMGZTA3GGBXW7E6KY","short_pith_number":"pith:HCTFXGYN","canonical_record":{"source":{"id":"1510.05024","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2015-10-16T21:01:50Z","cross_cats_sorted":[],"title_canon_sha256":"47068c61533d285a6c032900ead1ac832e544523c343fb1c3dc0b91905c2effb","abstract_canon_sha256":"a4776a99bb104a08056cc22bc052e16c8e63ab23e3a1e273264e7e36475ce049"},"schema_version":"1.0"},"canonical_sha256":"38a65b9b0d73586ccc1b31837b7c9e563e14820edb999662bb27fd98598ef85b","source":{"kind":"arxiv","id":"1510.05024","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.05024","created_at":"2026-05-18T01:27:56Z"},{"alias_kind":"arxiv_version","alias_value":"1510.05024v1","created_at":"2026-05-18T01:27:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.05024","created_at":"2026-05-18T01:27:56Z"},{"alias_kind":"pith_short_12","alias_value":"HCTFXGYNONMG","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"HCTFXGYNONMGZTA3","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"HCTFXGYN","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:HCTFXGYNONMGZTA3GGBXW7E6KY","target":"record","payload":{"canonical_record":{"source":{"id":"1510.05024","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2015-10-16T21:01:50Z","cross_cats_sorted":[],"title_canon_sha256":"47068c61533d285a6c032900ead1ac832e544523c343fb1c3dc0b91905c2effb","abstract_canon_sha256":"a4776a99bb104a08056cc22bc052e16c8e63ab23e3a1e273264e7e36475ce049"},"schema_version":"1.0"},"canonical_sha256":"38a65b9b0d73586ccc1b31837b7c9e563e14820edb999662bb27fd98598ef85b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:56.559486Z","signature_b64":"yIMKkpqRNwd8GnbUbRKCEZAz3BFYyqXQ+3pVcy3UKz5krJeT3uZwHzynJT5cpIjIXt65Mf8Me1cOCfJ7/IH2CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38a65b9b0d73586ccc1b31837b7c9e563e14820edb999662bb27fd98598ef85b","last_reissued_at":"2026-05-18T01:27:56.558608Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:56.558608Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.05024","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":"2026-05-18T01:27:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SahY00+2+/6STbCq7Pxw9Y8fWF4+lJVObe5DSfNldTUiTPrnHyFT+RQ2BaagIlB4Qt0An55g/LGw+Q5bDlvlCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T18:15:57.813613Z"},"content_sha256":"b51e4e81c3b2b4f853e890847178bb8cbcc442962039e1323d676a0fc170aea5","schema_version":"1.0","event_id":"sha256:b51e4e81c3b2b4f853e890847178bb8cbcc442962039e1323d676a0fc170aea5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:HCTFXGYNONMGZTA3GGBXW7E6KY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Community Contribution Framework for Sharing Materials Data with Materials Project","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Anubhav Jain, Dan Gunter, Donald Winston, Kristin Persson, Patrick Huck","submitted_at":"2015-10-16T21:01:50Z","abstract_excerpt":"As scientific discovery becomes increasingly data-driven, software platforms are needed to efficiently organize and disseminate data from disparate sources. This is certainly the case in the field of materials science. For example, Materials Project has generated computational data on over 60,000 chemical compounds and has made that data available through a web portal and REST interface. However, such portals must seek to incorporate community submissions to expand the scope of scientific data sharing. In this paper, we describe MPContribs, a computing/software infrastructure to integrate and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.05024","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":"2026-05-18T01:27:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ww1sdT5duRiDFAH0mEzys98f85xd/oOOFBSv9OY5NItfgtl1yNgGc0lwnxyACBxSKa//2fw/+oXARMYgah8JBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T18:15:57.814202Z"},"content_sha256":"4603202f24407912e94dfca27db15fd523fe707731bd950d68ffb4d8c7f061f3","schema_version":"1.0","event_id":"sha256:4603202f24407912e94dfca27db15fd523fe707731bd950d68ffb4d8c7f061f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HCTFXGYNONMGZTA3GGBXW7E6KY/bundle.json","state_url":"https://pith.science/pith/HCTFXGYNONMGZTA3GGBXW7E6KY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HCTFXGYNONMGZTA3GGBXW7E6KY/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":"2026-06-06T18:15:57Z","links":{"resolver":"https://pith.science/pith/HCTFXGYNONMGZTA3GGBXW7E6KY","bundle":"https://pith.science/pith/HCTFXGYNONMGZTA3GGBXW7E6KY/bundle.json","state":"https://pith.science/pith/HCTFXGYNONMGZTA3GGBXW7E6KY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HCTFXGYNONMGZTA3GGBXW7E6KY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:HCTFXGYNONMGZTA3GGBXW7E6KY","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":"a4776a99bb104a08056cc22bc052e16c8e63ab23e3a1e273264e7e36475ce049","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2015-10-16T21:01:50Z","title_canon_sha256":"47068c61533d285a6c032900ead1ac832e544523c343fb1c3dc0b91905c2effb"},"schema_version":"1.0","source":{"id":"1510.05024","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.05024","created_at":"2026-05-18T01:27:56Z"},{"alias_kind":"arxiv_version","alias_value":"1510.05024v1","created_at":"2026-05-18T01:27:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.05024","created_at":"2026-05-18T01:27:56Z"},{"alias_kind":"pith_short_12","alias_value":"HCTFXGYNONMG","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"HCTFXGYNONMGZTA3","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"HCTFXGYN","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:4603202f24407912e94dfca27db15fd523fe707731bd950d68ffb4d8c7f061f3","target":"graph","created_at":"2026-05-18T01:27:56Z","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":"As scientific discovery becomes increasingly data-driven, software platforms are needed to efficiently organize and disseminate data from disparate sources. This is certainly the case in the field of materials science. For example, Materials Project has generated computational data on over 60,000 chemical compounds and has made that data available through a web portal and REST interface. However, such portals must seek to incorporate community submissions to expand the scope of scientific data sharing. In this paper, we describe MPContribs, a computing/software infrastructure to integrate and ","authors_text":"Anubhav Jain, Dan Gunter, Donald Winston, Kristin Persson, Patrick Huck","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2015-10-16T21:01:50Z","title":"A Community Contribution Framework for Sharing Materials Data with Materials Project"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.05024","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:b51e4e81c3b2b4f853e890847178bb8cbcc442962039e1323d676a0fc170aea5","target":"record","created_at":"2026-05-18T01:27:56Z","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":"a4776a99bb104a08056cc22bc052e16c8e63ab23e3a1e273264e7e36475ce049","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2015-10-16T21:01:50Z","title_canon_sha256":"47068c61533d285a6c032900ead1ac832e544523c343fb1c3dc0b91905c2effb"},"schema_version":"1.0","source":{"id":"1510.05024","kind":"arxiv","version":1}},"canonical_sha256":"38a65b9b0d73586ccc1b31837b7c9e563e14820edb999662bb27fd98598ef85b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38a65b9b0d73586ccc1b31837b7c9e563e14820edb999662bb27fd98598ef85b","first_computed_at":"2026-05-18T01:27:56.558608Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:27:56.558608Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yIMKkpqRNwd8GnbUbRKCEZAz3BFYyqXQ+3pVcy3UKz5krJeT3uZwHzynJT5cpIjIXt65Mf8Me1cOCfJ7/IH2CA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:27:56.559486Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.05024","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b51e4e81c3b2b4f853e890847178bb8cbcc442962039e1323d676a0fc170aea5","sha256:4603202f24407912e94dfca27db15fd523fe707731bd950d68ffb4d8c7f061f3"],"state_sha256":"6ab01cd988bb1b998a81f8b9d04c6307fda7f4ba1f6e14e46128308fc1ad0023"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dWD9SF6F7BDOixDwu2HXRrduGL8KgWuK7JxI29jsWO7P3JJRGJkkrG8Aldh1Lhb/lI0FJVGp/oNIZ6ADuXwvAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T18:15:57.817441Z","bundle_sha256":"33698c2c293578351f65f502903f8854b5b12754979f080971213208e4f245dc"}}