{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:26UQCYYTIIUJGGRY7QMNBHVGKE","short_pith_number":"pith:26UQCYYT","canonical_record":{"source":{"id":"1303.1997","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-08T14:04:49Z","cross_cats_sorted":[],"title_canon_sha256":"aabb606d9579334ae899eee95dd907bdc62b90f3de9ec8ec3f06b63e3d2e11ad","abstract_canon_sha256":"5d0cbc42cc5a0df64db16ec296231670778ac6f6fe60adfc6f76fabd9debe002"},"schema_version":"1.0"},"canonical_sha256":"d7a90163134228931a38fc18d09ea6510127b6c6e8318d374d5393d4e0cee9d3","source":{"kind":"arxiv","id":"1303.1997","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.1997","created_at":"2026-05-18T01:51:09Z"},{"alias_kind":"arxiv_version","alias_value":"1303.1997v1","created_at":"2026-05-18T01:51:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.1997","created_at":"2026-05-18T01:51:09Z"},{"alias_kind":"pith_short_12","alias_value":"26UQCYYTIIUJ","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"26UQCYYTIIUJGGRY","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"26UQCYYT","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:26UQCYYTIIUJGGRY7QMNBHVGKE","target":"record","payload":{"canonical_record":{"source":{"id":"1303.1997","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-08T14:04:49Z","cross_cats_sorted":[],"title_canon_sha256":"aabb606d9579334ae899eee95dd907bdc62b90f3de9ec8ec3f06b63e3d2e11ad","abstract_canon_sha256":"5d0cbc42cc5a0df64db16ec296231670778ac6f6fe60adfc6f76fabd9debe002"},"schema_version":"1.0"},"canonical_sha256":"d7a90163134228931a38fc18d09ea6510127b6c6e8318d374d5393d4e0cee9d3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:09.686341Z","signature_b64":"HHjyurAcStaui52M4f/4xIThnlXO8MgEEOfGkbVQldaJyHHV7ZTvikyUoYwetkBbV+yt4r7OhhoGl4LeAhmuCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d7a90163134228931a38fc18d09ea6510127b6c6e8318d374d5393d4e0cee9d3","last_reissued_at":"2026-05-18T01:51:09.685586Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:09.685586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.1997","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":"2026-05-18T01:51:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nqBsEldFV6DhUxGdv0Rk6OVXcGBrMks9vCO6LF+bx3BwocMZlWR8gnlzjl6lnjG0PBRck76mPccQbRyypfoMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:02:47.970965Z"},"content_sha256":"4302a3285e801678782d9b9fbe5a203a8de4800311b726a1b78dcbb702d029c7","schema_version":"1.0","event_id":"sha256:4302a3285e801678782d9b9fbe5a203a8de4800311b726a1b78dcbb702d029c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:26UQCYYTIIUJGGRY7QMNBHVGKE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Central compact objects in magnetic lethargy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Daniele Vigan\\`o, Jose A. Pons, Rosalba Perna","submitted_at":"2013-03-08T14:04:49Z","abstract_excerpt":"Central Compact Objects are peculiar young neutron stars, with very low external magnetic fields combined with high fluxes in the X-ray band and surface temperature anisotropies. However, in their crust the magnetic field can be strong, result of its burial during a short post-supernova hypercritical accretion episode. The implications of this latter scenario for the temperature anisotropy, pulsed fraction and luminosity are discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.1997","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":"2026-05-18T01:51:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2jJK+2BMNJP9YcuPXOEDuN3rqxj7KDhvt6+mTcCSlzoPObSXFBwDvmYgRmHeRH8w7JcGSQBxWVp1DxioOjpgDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:02:47.971307Z"},"content_sha256":"25f2e6eb476d197585143b66f459f860d6756ad98e85e099e848eb39493fa4a3","schema_version":"1.0","event_id":"sha256:25f2e6eb476d197585143b66f459f860d6756ad98e85e099e848eb39493fa4a3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/26UQCYYTIIUJGGRY7QMNBHVGKE/bundle.json","state_url":"https://pith.science/pith/26UQCYYTIIUJGGRY7QMNBHVGKE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/26UQCYYTIIUJGGRY7QMNBHVGKE/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":"2026-06-04T03:02:47Z","links":{"resolver":"https://pith.science/pith/26UQCYYTIIUJGGRY7QMNBHVGKE","bundle":"https://pith.science/pith/26UQCYYTIIUJGGRY7QMNBHVGKE/bundle.json","state":"https://pith.science/pith/26UQCYYTIIUJGGRY7QMNBHVGKE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/26UQCYYTIIUJGGRY7QMNBHVGKE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:26UQCYYTIIUJGGRY7QMNBHVGKE","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":"5d0cbc42cc5a0df64db16ec296231670778ac6f6fe60adfc6f76fabd9debe002","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-08T14:04:49Z","title_canon_sha256":"aabb606d9579334ae899eee95dd907bdc62b90f3de9ec8ec3f06b63e3d2e11ad"},"schema_version":"1.0","source":{"id":"1303.1997","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.1997","created_at":"2026-05-18T01:51:09Z"},{"alias_kind":"arxiv_version","alias_value":"1303.1997v1","created_at":"2026-05-18T01:51:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.1997","created_at":"2026-05-18T01:51:09Z"},{"alias_kind":"pith_short_12","alias_value":"26UQCYYTIIUJ","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"26UQCYYTIIUJGGRY","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"26UQCYYT","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:25f2e6eb476d197585143b66f459f860d6756ad98e85e099e848eb39493fa4a3","target":"graph","created_at":"2026-05-18T01:51:09Z","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":"Central Compact Objects are peculiar young neutron stars, with very low external magnetic fields combined with high fluxes in the X-ray band and surface temperature anisotropies. However, in their crust the magnetic field can be strong, result of its burial during a short post-supernova hypercritical accretion episode. The implications of this latter scenario for the temperature anisotropy, pulsed fraction and luminosity are discussed.","authors_text":"Daniele Vigan\\`o, Jose A. Pons, Rosalba Perna","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-08T14:04:49Z","title":"Central compact objects in magnetic lethargy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.1997","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":"sha256:4302a3285e801678782d9b9fbe5a203a8de4800311b726a1b78dcbb702d029c7","target":"record","created_at":"2026-05-18T01:51:09Z","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":"5d0cbc42cc5a0df64db16ec296231670778ac6f6fe60adfc6f76fabd9debe002","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-08T14:04:49Z","title_canon_sha256":"aabb606d9579334ae899eee95dd907bdc62b90f3de9ec8ec3f06b63e3d2e11ad"},"schema_version":"1.0","source":{"id":"1303.1997","kind":"arxiv","version":1}},"canonical_sha256":"d7a90163134228931a38fc18d09ea6510127b6c6e8318d374d5393d4e0cee9d3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d7a90163134228931a38fc18d09ea6510127b6c6e8318d374d5393d4e0cee9d3","first_computed_at":"2026-05-18T01:51:09.685586Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:09.685586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HHjyurAcStaui52M4f/4xIThnlXO8MgEEOfGkbVQldaJyHHV7ZTvikyUoYwetkBbV+yt4r7OhhoGl4LeAhmuCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:09.686341Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.1997","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4302a3285e801678782d9b9fbe5a203a8de4800311b726a1b78dcbb702d029c7","sha256:25f2e6eb476d197585143b66f459f860d6756ad98e85e099e848eb39493fa4a3"],"state_sha256":"f26247d9b9b80e5c30bf61fa6fdd5aae5db3a8b5401e5ccbd68001ce1f431443"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0eUveLaUyIsGB6NIOO852QBfkRiagSrjx2QNoGUAEJdWR7hLChghjvKs/yV96h9XX4siRV9i4LDoq0RgF0GyAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T03:02:47.973189Z","bundle_sha256":"65a55e73a9f9cf15c7dc010a954bc463a5e2c4c3ba4b99865660a0a114019141"}}