{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:CMAC74Z7DGKQFSXFFWURUAA6MP","short_pith_number":"pith:CMAC74Z7","canonical_record":{"source":{"id":"2204.01451","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2022-04-04T13:07:40Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"d94960547f2836ad0fd170ebaffccb2fe9f93c37f41a935971bcd97e94f8d035","abstract_canon_sha256":"d17e1fe37737cc11f3f44e67724cb12aadb3781252a238e8fca2c0810ad408ec"},"schema_version":"1.0"},"canonical_sha256":"13002ff33f199502cae52da91a001e63d7d6838a8605c8005a02901259c861e8","source":{"kind":"arxiv","id":"2204.01451","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.01451","created_at":"2026-07-05T06:27:39Z"},{"alias_kind":"arxiv_version","alias_value":"2204.01451v2","created_at":"2026-07-05T06:27:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.01451","created_at":"2026-07-05T06:27:39Z"},{"alias_kind":"pith_short_12","alias_value":"CMAC74Z7DGKQ","created_at":"2026-07-05T06:27:39Z"},{"alias_kind":"pith_short_16","alias_value":"CMAC74Z7DGKQFSXF","created_at":"2026-07-05T06:27:39Z"},{"alias_kind":"pith_short_8","alias_value":"CMAC74Z7","created_at":"2026-07-05T06:27:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:CMAC74Z7DGKQFSXFFWURUAA6MP","target":"record","payload":{"canonical_record":{"source":{"id":"2204.01451","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2022-04-04T13:07:40Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"d94960547f2836ad0fd170ebaffccb2fe9f93c37f41a935971bcd97e94f8d035","abstract_canon_sha256":"d17e1fe37737cc11f3f44e67724cb12aadb3781252a238e8fca2c0810ad408ec"},"schema_version":"1.0"},"canonical_sha256":"13002ff33f199502cae52da91a001e63d7d6838a8605c8005a02901259c861e8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:27:39.358785Z","signature_b64":"jaBrriZpcClEOXp8siP+OF8g1ASwgd1vYbEnzq3iWzjpaR/CcOGvoHEOw+ZaZnFMjqU+hp/IRbJP0A+Vdbh6Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"13002ff33f199502cae52da91a001e63d7d6838a8605c8005a02901259c861e8","last_reissued_at":"2026-07-05T06:27:39.357584Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:27:39.357584Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2204.01451","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:27:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aWh9PhVKAeUgnB4zqnqHzL8kT1zfwQmjGspvzbYdXmkRJubUw5b6ksa4In9UHo73kRNL94JE2yp+CteDFTfrCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T23:19:30.899182Z"},"content_sha256":"e66ad1ff06bf061490b366d317f39daeb2dc962ae298d060a88d9118be6a260f","schema_version":"1.0","event_id":"sha256:e66ad1ff06bf061490b366d317f39daeb2dc962ae298d060a88d9118be6a260f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:CMAC74Z7DGKQFSXFFWURUAA6MP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Atomistic Global Optimization X: A Python package for optimization of atomistic structures","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.chem-ph","authors_text":"Bj{\\o}rk Hammer, Mads-Peter Verner Christiansen, Nikolaj R{\\o}nne","submitted_at":"2022-04-04T13:07:40Z","abstract_excerpt":"Modelling and understanding properties of materials from first principles require knowledge of the underlying atomistic structure. This entails knowing the individual identity and position of all involved atoms. Obtaining such information for macro-molecules, nano-particles, clusters, and for the surface, interface, and bulk phases of amorphous and solid materials represents a difficult high dimensional global optimization problem. The rise of machine learning techniques in materials science has, however, led to many compelling developments that may speed up such structure searches. The comple"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.01451","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2204.01451/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T06:27:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k/6E/ly4FbME9jHeruMNN5BTYzLgu9ygto2AKlbZvM7IE5S9aTcSX1Y/7dWqnrGQOb6VLzX2Ss/vdNMD+e13AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T23:19:30.899721Z"},"content_sha256":"9880bb187a58b1ea5a9152e6c11b52f6d1e25ec19f91ee966bcf04dd1fa06d64","schema_version":"1.0","event_id":"sha256:9880bb187a58b1ea5a9152e6c11b52f6d1e25ec19f91ee966bcf04dd1fa06d64"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CMAC74Z7DGKQFSXFFWURUAA6MP/bundle.json","state_url":"https://pith.science/pith/CMAC74Z7DGKQFSXFFWURUAA6MP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CMAC74Z7DGKQFSXFFWURUAA6MP/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":"2026-08-04T23:19:30Z","links":{"resolver":"https://pith.science/pith/CMAC74Z7DGKQFSXFFWURUAA6MP","bundle":"https://pith.science/pith/CMAC74Z7DGKQFSXFFWURUAA6MP/bundle.json","state":"https://pith.science/pith/CMAC74Z7DGKQFSXFFWURUAA6MP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CMAC74Z7DGKQFSXFFWURUAA6MP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:CMAC74Z7DGKQFSXFFWURUAA6MP","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":"d17e1fe37737cc11f3f44e67724cb12aadb3781252a238e8fca2c0810ad408ec","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2022-04-04T13:07:40Z","title_canon_sha256":"d94960547f2836ad0fd170ebaffccb2fe9f93c37f41a935971bcd97e94f8d035"},"schema_version":"1.0","source":{"id":"2204.01451","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.01451","created_at":"2026-07-05T06:27:39Z"},{"alias_kind":"arxiv_version","alias_value":"2204.01451v2","created_at":"2026-07-05T06:27:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.01451","created_at":"2026-07-05T06:27:39Z"},{"alias_kind":"pith_short_12","alias_value":"CMAC74Z7DGKQ","created_at":"2026-07-05T06:27:39Z"},{"alias_kind":"pith_short_16","alias_value":"CMAC74Z7DGKQFSXF","created_at":"2026-07-05T06:27:39Z"},{"alias_kind":"pith_short_8","alias_value":"CMAC74Z7","created_at":"2026-07-05T06:27:39Z"}],"graph_snapshots":[{"event_id":"sha256:9880bb187a58b1ea5a9152e6c11b52f6d1e25ec19f91ee966bcf04dd1fa06d64","target":"graph","created_at":"2026-07-05T06:27:39Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2204.01451/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Modelling and understanding properties of materials from first principles require knowledge of the underlying atomistic structure. This entails knowing the individual identity and position of all involved atoms. Obtaining such information for macro-molecules, nano-particles, clusters, and for the surface, interface, and bulk phases of amorphous and solid materials represents a difficult high dimensional global optimization problem. The rise of machine learning techniques in materials science has, however, led to many compelling developments that may speed up such structure searches. The comple","authors_text":"Bj{\\o}rk Hammer, Mads-Peter Verner Christiansen, Nikolaj R{\\o}nne","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2022-04-04T13:07:40Z","title":"Atomistic Global Optimization X: A Python package for optimization of atomistic structures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.01451","kind":"arxiv","version":2},"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:e66ad1ff06bf061490b366d317f39daeb2dc962ae298d060a88d9118be6a260f","target":"record","created_at":"2026-07-05T06:27:39Z","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":"d17e1fe37737cc11f3f44e67724cb12aadb3781252a238e8fca2c0810ad408ec","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2022-04-04T13:07:40Z","title_canon_sha256":"d94960547f2836ad0fd170ebaffccb2fe9f93c37f41a935971bcd97e94f8d035"},"schema_version":"1.0","source":{"id":"2204.01451","kind":"arxiv","version":2}},"canonical_sha256":"13002ff33f199502cae52da91a001e63d7d6838a8605c8005a02901259c861e8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"13002ff33f199502cae52da91a001e63d7d6838a8605c8005a02901259c861e8","first_computed_at":"2026-07-05T06:27:39.357584Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:27:39.357584Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jaBrriZpcClEOXp8siP+OF8g1ASwgd1vYbEnzq3iWzjpaR/CcOGvoHEOw+ZaZnFMjqU+hp/IRbJP0A+Vdbh6Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:27:39.358785Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.01451","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e66ad1ff06bf061490b366d317f39daeb2dc962ae298d060a88d9118be6a260f","sha256:9880bb187a58b1ea5a9152e6c11b52f6d1e25ec19f91ee966bcf04dd1fa06d64"],"state_sha256":"8071f2f6b274a20cb795c274524ccb689ea3c838070467966140194fbb4a42dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C7B7jp45ZUkmT2C8uy0mJ934+tWLnsMr2WOOMF1g4EzHOup+LsKdzA8mAU2oaHZb1U1evmV3soQsXO4fzLvdBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T23:19:30.902905Z","bundle_sha256":"cf1a784873592cf0542190bef3b73725b032cba347e77417ac5dc27dd8349b37"}}