{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:KKSVCLNK4GMBJ56VDBM42MKDWE","short_pith_number":"pith:KKSVCLNK","canonical_record":{"source":{"id":"1408.2740","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-12T15:18:09Z","cross_cats_sorted":[],"title_canon_sha256":"e88d555b5381deeb28ae77047553d73c8a0a912eb0f453a04bfb3b4e6e9012f5","abstract_canon_sha256":"f7d2f2fb60c5d8f1af27e55ed688cdb82d55a63356e0eb1272e469a1bedda32c"},"schema_version":"1.0"},"canonical_sha256":"52a5512daae19814f7d51859cd3143b1149f480a7f3e6326927bd4a77134341e","source":{"kind":"arxiv","id":"1408.2740","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.2740","created_at":"2026-05-18T01:42:21Z"},{"alias_kind":"arxiv_version","alias_value":"1408.2740v2","created_at":"2026-05-18T01:42:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.2740","created_at":"2026-05-18T01:42:21Z"},{"alias_kind":"pith_short_12","alias_value":"KKSVCLNK4GMB","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KKSVCLNK4GMBJ56V","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KKSVCLNK","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:KKSVCLNK4GMBJ56VDBM42MKDWE","target":"record","payload":{"canonical_record":{"source":{"id":"1408.2740","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-12T15:18:09Z","cross_cats_sorted":[],"title_canon_sha256":"e88d555b5381deeb28ae77047553d73c8a0a912eb0f453a04bfb3b4e6e9012f5","abstract_canon_sha256":"f7d2f2fb60c5d8f1af27e55ed688cdb82d55a63356e0eb1272e469a1bedda32c"},"schema_version":"1.0"},"canonical_sha256":"52a5512daae19814f7d51859cd3143b1149f480a7f3e6326927bd4a77134341e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:21.380739Z","signature_b64":"PdEE5e9fdpAruTsEc+YLFz7bVXdK887Z3rBmlrA+QgndPZvEdC5L86EQJYPKQcl5MPpRFoUKePF1vn49GdTnAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52a5512daae19814f7d51859cd3143b1149f480a7f3e6326927bd4a77134341e","last_reissued_at":"2026-05-18T01:42:21.380147Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:21.380147Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.2740","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":"2026-05-18T01:42:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G++3chy/tbV+01qJGsBVPOCK1BT/zVw3OQ/9dY5QGT8hMzu1oiXZWZAjauCZGQzdFg3kroEvA+n+V1dR514VCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T07:33:13.147997Z"},"content_sha256":"cacc23da150e308b8091ee9582a15ab3985f249361fd6f04d6f65747c5f98081","schema_version":"1.0","event_id":"sha256:cacc23da150e308b8091ee9582a15ab3985f249361fd6f04d6f65747c5f98081"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:KKSVCLNK4GMBJ56VDBM42MKDWE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraining the Evolutionary Fate of Central Compact Objects: \"Old\" Radio Pulsars in Supernova Remnants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"C.-Y. Ng (Hong Kong), Slavko Bogdanov (Columbia), Victoria M. Kaspi (McGill)","submitted_at":"2014-08-12T15:18:09Z","abstract_excerpt":"Central compact objects (CCOs) constitute a population of radio-quiet, slowly-spinning ($\\ge$100 ms) young neutron stars with anomalously high thermal X-ray luminosities. Their spin-down properties imply weak dipole magnetic fields ($\\sim$$10^{10-11}$ G) and characteristic ages much greater than the ages of their host supernova remnants (SNRs). However, CCOs may possess strong \"hidden\" internal magnetic fields that may re-emerge on timescales $\\gtrsim$10 kyr, with the neutron star possibly activating as a radio pulsar in the process. This suggests that the immediate descendants of CCOs may be "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.2740","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":""},"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":"2026-05-18T01:42:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tDvnuuZ3XsFbvemVyKQ3xLegLpiKA5XkQOWk5Bjnnidgjj75Rs5yQ1o3eHbEMr9Kkt6gGXG8oFX9sRL46wsNCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T07:33:13.148358Z"},"content_sha256":"e4accdb0f5e570864ed40a063289515bbe7aead5c0ed95b69bc7b9fb08d536a0","schema_version":"1.0","event_id":"sha256:e4accdb0f5e570864ed40a063289515bbe7aead5c0ed95b69bc7b9fb08d536a0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KKSVCLNK4GMBJ56VDBM42MKDWE/bundle.json","state_url":"https://pith.science/pith/KKSVCLNK4GMBJ56VDBM42MKDWE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KKSVCLNK4GMBJ56VDBM42MKDWE/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":"2026-06-03T07:33:13Z","links":{"resolver":"https://pith.science/pith/KKSVCLNK4GMBJ56VDBM42MKDWE","bundle":"https://pith.science/pith/KKSVCLNK4GMBJ56VDBM42MKDWE/bundle.json","state":"https://pith.science/pith/KKSVCLNK4GMBJ56VDBM42MKDWE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KKSVCLNK4GMBJ56VDBM42MKDWE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KKSVCLNK4GMBJ56VDBM42MKDWE","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":"f7d2f2fb60c5d8f1af27e55ed688cdb82d55a63356e0eb1272e469a1bedda32c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-12T15:18:09Z","title_canon_sha256":"e88d555b5381deeb28ae77047553d73c8a0a912eb0f453a04bfb3b4e6e9012f5"},"schema_version":"1.0","source":{"id":"1408.2740","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.2740","created_at":"2026-05-18T01:42:21Z"},{"alias_kind":"arxiv_version","alias_value":"1408.2740v2","created_at":"2026-05-18T01:42:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.2740","created_at":"2026-05-18T01:42:21Z"},{"alias_kind":"pith_short_12","alias_value":"KKSVCLNK4GMB","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KKSVCLNK4GMBJ56V","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KKSVCLNK","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:e4accdb0f5e570864ed40a063289515bbe7aead5c0ed95b69bc7b9fb08d536a0","target":"graph","created_at":"2026-05-18T01:42:21Z","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 (CCOs) constitute a population of radio-quiet, slowly-spinning ($\\ge$100 ms) young neutron stars with anomalously high thermal X-ray luminosities. Their spin-down properties imply weak dipole magnetic fields ($\\sim$$10^{10-11}$ G) and characteristic ages much greater than the ages of their host supernova remnants (SNRs). However, CCOs may possess strong \"hidden\" internal magnetic fields that may re-emerge on timescales $\\gtrsim$10 kyr, with the neutron star possibly activating as a radio pulsar in the process. This suggests that the immediate descendants of CCOs may be ","authors_text":"C.-Y. Ng (Hong Kong), Slavko Bogdanov (Columbia), Victoria M. Kaspi (McGill)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-12T15:18:09Z","title":"Constraining the Evolutionary Fate of Central Compact Objects: \"Old\" Radio Pulsars in Supernova Remnants"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.2740","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:cacc23da150e308b8091ee9582a15ab3985f249361fd6f04d6f65747c5f98081","target":"record","created_at":"2026-05-18T01:42:21Z","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":"f7d2f2fb60c5d8f1af27e55ed688cdb82d55a63356e0eb1272e469a1bedda32c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-12T15:18:09Z","title_canon_sha256":"e88d555b5381deeb28ae77047553d73c8a0a912eb0f453a04bfb3b4e6e9012f5"},"schema_version":"1.0","source":{"id":"1408.2740","kind":"arxiv","version":2}},"canonical_sha256":"52a5512daae19814f7d51859cd3143b1149f480a7f3e6326927bd4a77134341e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52a5512daae19814f7d51859cd3143b1149f480a7f3e6326927bd4a77134341e","first_computed_at":"2026-05-18T01:42:21.380147Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:21.380147Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PdEE5e9fdpAruTsEc+YLFz7bVXdK887Z3rBmlrA+QgndPZvEdC5L86EQJYPKQcl5MPpRFoUKePF1vn49GdTnAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:21.380739Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.2740","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cacc23da150e308b8091ee9582a15ab3985f249361fd6f04d6f65747c5f98081","sha256:e4accdb0f5e570864ed40a063289515bbe7aead5c0ed95b69bc7b9fb08d536a0"],"state_sha256":"8ab9b864aae60d4106557bddc74f6339bca238d7dc46b2c8817ea5e51c16b90c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YCn8QfTm8stLuY3Ol9s6Q9dBv5rSSjWoNfyz2DSquKzgMkOzQVREREYPgYW/WQD/EPV9q6sHv5VYVDp0U0i+CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T07:33:13.150765Z","bundle_sha256":"0cc7547c19ff713b161c45fb2b6636c42356c869985cdde36a2edbd8be30eb2d"}}