{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:2GUUUIFOP6IIONYNMVKPGVWD3G","short_pith_number":"pith:2GUUUIFO","canonical_record":{"source":{"id":"0812.3955","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph","submitted_at":"2008-12-20T10:43:21Z","cross_cats_sorted":[],"title_canon_sha256":"b3befffc3a62285c8e6ece2e81af8cfc9892e5437cdaef20c9578abf4e488341","abstract_canon_sha256":"860d9de834b9fbb0181daf0fdc5926f50a0c6dda51da770f8312be2ef107dd95"},"schema_version":"1.0"},"canonical_sha256":"d1a94a20ae7f9087370d6554f356c3d9a8ef53c52a90f7256e7294256a7aaaea","source":{"kind":"arxiv","id":"0812.3955","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.3955","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"arxiv_version","alias_value":"0812.3955v1","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.3955","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"pith_short_12","alias_value":"2GUUUIFOP6II","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"2GUUUIFOP6IIONYN","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"2GUUUIFO","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:2GUUUIFOP6IIONYNMVKPGVWD3G","target":"record","payload":{"canonical_record":{"source":{"id":"0812.3955","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph","submitted_at":"2008-12-20T10:43:21Z","cross_cats_sorted":[],"title_canon_sha256":"b3befffc3a62285c8e6ece2e81af8cfc9892e5437cdaef20c9578abf4e488341","abstract_canon_sha256":"860d9de834b9fbb0181daf0fdc5926f50a0c6dda51da770f8312be2ef107dd95"},"schema_version":"1.0"},"canonical_sha256":"d1a94a20ae7f9087370d6554f356c3d9a8ef53c52a90f7256e7294256a7aaaea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:04.202839Z","signature_b64":"C8cbN0wLutoF/xLerSO2hXoICXwIJIkUQ4ppPPWG0G7AfG9mTE7iQu/pI2VMIvNJThRt2Mqb2PGFYvKhpMqUBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d1a94a20ae7f9087370d6554f356c3d9a8ef53c52a90f7256e7294256a7aaaea","last_reissued_at":"2026-05-18T02:15:04.202196Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:04.202196Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0812.3955","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":"2026-05-18T02:15:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"41tPXNLAtehT2msoWvb4iAfaNf94gkZY1IDTdAgZP10g1g6f5Iz/6C3XCNLJXAxurvVCeRSP+se/43FJGrqHCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T19:18:47.992028Z"},"content_sha256":"2c906cf0bd1c5285f1e7be7ba76a01653e347a114c03c07d48b96ee8603bd109","schema_version":"1.0","event_id":"sha256:2c906cf0bd1c5285f1e7be7ba76a01653e347a114c03c07d48b96ee8603bd109"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:2GUUUIFOP6IIONYNMVKPGVWD3G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Physics of Neutron Star Crusts","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"N. Chamel, P. Haensel","submitted_at":"2008-12-20T10:43:21Z","abstract_excerpt":"The physics of neutron star crusts is vast, involving many different research fields, from nuclear and condensed matter physics to general relativity. This review summarizes the progress, which has been achieved over the last few years, in modeling neutron star crusts, both at the microscopic and macroscopic levels. The confrontation of these theoretical models with observations is also briefly discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.3955","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":"2026-05-18T02:15:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mkL2+79XelmdyK1ViWBOoV7PoctEc6rKvnYFJuOUyz671TzWS5wOez5GkBTOva4JWsGAJ1fzRfjTAUOhPTjtAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T19:18:47.992684Z"},"content_sha256":"d2153474fe36f727a9fd796aa1ad54e05301add92c9d91e062eb2d6991c83be7","schema_version":"1.0","event_id":"sha256:d2153474fe36f727a9fd796aa1ad54e05301add92c9d91e062eb2d6991c83be7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2GUUUIFOP6IIONYNMVKPGVWD3G/bundle.json","state_url":"https://pith.science/pith/2GUUUIFOP6IIONYNMVKPGVWD3G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2GUUUIFOP6IIONYNMVKPGVWD3G/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":"2026-05-21T19:18:47Z","links":{"resolver":"https://pith.science/pith/2GUUUIFOP6IIONYNMVKPGVWD3G","bundle":"https://pith.science/pith/2GUUUIFOP6IIONYNMVKPGVWD3G/bundle.json","state":"https://pith.science/pith/2GUUUIFOP6IIONYNMVKPGVWD3G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2GUUUIFOP6IIONYNMVKPGVWD3G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:2GUUUIFOP6IIONYNMVKPGVWD3G","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":"860d9de834b9fbb0181daf0fdc5926f50a0c6dda51da770f8312be2ef107dd95","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph","submitted_at":"2008-12-20T10:43:21Z","title_canon_sha256":"b3befffc3a62285c8e6ece2e81af8cfc9892e5437cdaef20c9578abf4e488341"},"schema_version":"1.0","source":{"id":"0812.3955","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.3955","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"arxiv_version","alias_value":"0812.3955v1","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.3955","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"pith_short_12","alias_value":"2GUUUIFOP6II","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"2GUUUIFOP6IIONYN","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"2GUUUIFO","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:d2153474fe36f727a9fd796aa1ad54e05301add92c9d91e062eb2d6991c83be7","target":"graph","created_at":"2026-05-18T02:15:04Z","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":"The physics of neutron star crusts is vast, involving many different research fields, from nuclear and condensed matter physics to general relativity. This review summarizes the progress, which has been achieved over the last few years, in modeling neutron star crusts, both at the microscopic and macroscopic levels. The confrontation of these theoretical models with observations is also briefly discussed.","authors_text":"N. Chamel, P. Haensel","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph","submitted_at":"2008-12-20T10:43:21Z","title":"Physics of Neutron Star Crusts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.3955","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":"sha256:2c906cf0bd1c5285f1e7be7ba76a01653e347a114c03c07d48b96ee8603bd109","target":"record","created_at":"2026-05-18T02:15:04Z","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":"860d9de834b9fbb0181daf0fdc5926f50a0c6dda51da770f8312be2ef107dd95","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph","submitted_at":"2008-12-20T10:43:21Z","title_canon_sha256":"b3befffc3a62285c8e6ece2e81af8cfc9892e5437cdaef20c9578abf4e488341"},"schema_version":"1.0","source":{"id":"0812.3955","kind":"arxiv","version":1}},"canonical_sha256":"d1a94a20ae7f9087370d6554f356c3d9a8ef53c52a90f7256e7294256a7aaaea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d1a94a20ae7f9087370d6554f356c3d9a8ef53c52a90f7256e7294256a7aaaea","first_computed_at":"2026-05-18T02:15:04.202196Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:04.202196Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C8cbN0wLutoF/xLerSO2hXoICXwIJIkUQ4ppPPWG0G7AfG9mTE7iQu/pI2VMIvNJThRt2Mqb2PGFYvKhpMqUBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:04.202839Z","signed_message":"canonical_sha256_bytes"},"source_id":"0812.3955","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2c906cf0bd1c5285f1e7be7ba76a01653e347a114c03c07d48b96ee8603bd109","sha256:d2153474fe36f727a9fd796aa1ad54e05301add92c9d91e062eb2d6991c83be7"],"state_sha256":"724a20e235a0c20bd50f455478eb7f1188137a6f4a5fae9d3a361dbd1b48587e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SmKPRoy4Zrxcks/Lm5ov8/xFhYtKszmPYrCV/Fnbo64gRNBjTRpbKJus6kbhPu3cSdidF/C4jMyrzWcLQM67DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T19:18:47.995671Z","bundle_sha256":"395546166665f95d5cbf03f63535d7b7e214d0459f07561f46a18fec6c608469"}}