{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:JM5NA4I2LN3QDIVAF7ONLAN225","short_pith_number":"pith:JM5NA4I2","canonical_record":{"source":{"id":"1711.05081","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-14T12:34:51Z","cross_cats_sorted":[],"title_canon_sha256":"60a5f27a03c74022239b4846777445aa48bd5fd15137457390eba0446e305e0e","abstract_canon_sha256":"eae40f241436e9b44525f79126d34c64e08fb0aaa9305419e893e5368bc9f731"},"schema_version":"1.0"},"canonical_sha256":"4b3ad0711a5b7701a2a02fdcd581bad7648de085fc6e09302d544bcded2a7dd7","source":{"kind":"arxiv","id":"1711.05081","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.05081","created_at":"2026-05-18T00:27:04Z"},{"alias_kind":"arxiv_version","alias_value":"1711.05081v1","created_at":"2026-05-18T00:27:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.05081","created_at":"2026-05-18T00:27:04Z"},{"alias_kind":"pith_short_12","alias_value":"JM5NA4I2LN3Q","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JM5NA4I2LN3QDIVA","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JM5NA4I2","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:JM5NA4I2LN3QDIVAF7ONLAN225","target":"record","payload":{"canonical_record":{"source":{"id":"1711.05081","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-14T12:34:51Z","cross_cats_sorted":[],"title_canon_sha256":"60a5f27a03c74022239b4846777445aa48bd5fd15137457390eba0446e305e0e","abstract_canon_sha256":"eae40f241436e9b44525f79126d34c64e08fb0aaa9305419e893e5368bc9f731"},"schema_version":"1.0"},"canonical_sha256":"4b3ad0711a5b7701a2a02fdcd581bad7648de085fc6e09302d544bcded2a7dd7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:04.351116Z","signature_b64":"lHEttgaGVVdnYkV1uyfICI6euvZWrwrN89bfRKYSKJ+j3BbozBjk2BhhhG4C9Y/62ThQuWbd8SfPumVbzO2yBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4b3ad0711a5b7701a2a02fdcd581bad7648de085fc6e09302d544bcded2a7dd7","last_reissued_at":"2026-05-18T00:27:04.350558Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:04.350558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.05081","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":"2026-05-18T00:27:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z1t1E8MnCRcHLbaFdDo8b8G7J1I20LYlCScZ/VPE4QDt5qP9n8uwodJXN2qdVUaBM1k5fScLtd9uQDVIxGGpBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T01:11:59.722169Z"},"content_sha256":"dff0940aaa37c84894c95996f48ba616c418b6c41f485a3de9a1f36d8ee924b0","schema_version":"1.0","event_id":"sha256:dff0940aaa37c84894c95996f48ba616c418b6c41f485a3de9a1f36d8ee924b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:JM5NA4I2LN3QDIVAF7ONLAN225","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The apparent decay of pulsar magnetic fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Anton Biryukov, Artyom Astashenok, Gregory Beskin, Sergey Karpov","submitted_at":"2017-11-14T12:34:51Z","abstract_excerpt":"Neutron stars are extremely strong cosmic magnets which fields are expected to decay with time. Here we report on the simple test of this process. Adopting a novel approach, we have estimated surface magnetic fields $B$ for 76 radiopulsars (the most numerous subclass of the known isolated neutron stars) which ages $t$ are known independently. Focusing on the accurate evaluation of the precision of both quantities, we determined a significant power-law trend $B(t) \\propto t^{-\\beta}$ with index $\\beta = 0.19^{+0.05}_{-0.06}$ at 95\\% C.L. The effects of the observational selection turn this valu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.05081","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":"2026-05-18T00:27:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V7lgBJLqSiLWw/cu8FthdcCMWHwnRZDpEGL/JL9HxE4Pn+RQOnOlcF+t5Jrhqfx2okLQMeK6WC7JT+6EyXIdDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T01:11:59.722527Z"},"content_sha256":"9bc833f2026cbb92992d1ef756f4ae1d1a3dd71a2415e2b28aa0ad510ab49772","schema_version":"1.0","event_id":"sha256:9bc833f2026cbb92992d1ef756f4ae1d1a3dd71a2415e2b28aa0ad510ab49772"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JM5NA4I2LN3QDIVAF7ONLAN225/bundle.json","state_url":"https://pith.science/pith/JM5NA4I2LN3QDIVAF7ONLAN225/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JM5NA4I2LN3QDIVAF7ONLAN225/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":"2026-06-04T01:11:59Z","links":{"resolver":"https://pith.science/pith/JM5NA4I2LN3QDIVAF7ONLAN225","bundle":"https://pith.science/pith/JM5NA4I2LN3QDIVAF7ONLAN225/bundle.json","state":"https://pith.science/pith/JM5NA4I2LN3QDIVAF7ONLAN225/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JM5NA4I2LN3QDIVAF7ONLAN225/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:JM5NA4I2LN3QDIVAF7ONLAN225","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":"eae40f241436e9b44525f79126d34c64e08fb0aaa9305419e893e5368bc9f731","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-14T12:34:51Z","title_canon_sha256":"60a5f27a03c74022239b4846777445aa48bd5fd15137457390eba0446e305e0e"},"schema_version":"1.0","source":{"id":"1711.05081","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.05081","created_at":"2026-05-18T00:27:04Z"},{"alias_kind":"arxiv_version","alias_value":"1711.05081v1","created_at":"2026-05-18T00:27:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.05081","created_at":"2026-05-18T00:27:04Z"},{"alias_kind":"pith_short_12","alias_value":"JM5NA4I2LN3Q","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JM5NA4I2LN3QDIVA","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JM5NA4I2","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:9bc833f2026cbb92992d1ef756f4ae1d1a3dd71a2415e2b28aa0ad510ab49772","target":"graph","created_at":"2026-05-18T00:27:04Z","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":"Neutron stars are extremely strong cosmic magnets which fields are expected to decay with time. Here we report on the simple test of this process. Adopting a novel approach, we have estimated surface magnetic fields $B$ for 76 radiopulsars (the most numerous subclass of the known isolated neutron stars) which ages $t$ are known independently. Focusing on the accurate evaluation of the precision of both quantities, we determined a significant power-law trend $B(t) \\propto t^{-\\beta}$ with index $\\beta = 0.19^{+0.05}_{-0.06}$ at 95\\% C.L. The effects of the observational selection turn this valu","authors_text":"Anton Biryukov, Artyom Astashenok, Gregory Beskin, Sergey Karpov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-14T12:34:51Z","title":"The apparent decay of pulsar magnetic fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.05081","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:dff0940aaa37c84894c95996f48ba616c418b6c41f485a3de9a1f36d8ee924b0","target":"record","created_at":"2026-05-18T00:27:04Z","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":"eae40f241436e9b44525f79126d34c64e08fb0aaa9305419e893e5368bc9f731","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-14T12:34:51Z","title_canon_sha256":"60a5f27a03c74022239b4846777445aa48bd5fd15137457390eba0446e305e0e"},"schema_version":"1.0","source":{"id":"1711.05081","kind":"arxiv","version":1}},"canonical_sha256":"4b3ad0711a5b7701a2a02fdcd581bad7648de085fc6e09302d544bcded2a7dd7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4b3ad0711a5b7701a2a02fdcd581bad7648de085fc6e09302d544bcded2a7dd7","first_computed_at":"2026-05-18T00:27:04.350558Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:04.350558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lHEttgaGVVdnYkV1uyfICI6euvZWrwrN89bfRKYSKJ+j3BbozBjk2BhhhG4C9Y/62ThQuWbd8SfPumVbzO2yBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:04.351116Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.05081","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dff0940aaa37c84894c95996f48ba616c418b6c41f485a3de9a1f36d8ee924b0","sha256:9bc833f2026cbb92992d1ef756f4ae1d1a3dd71a2415e2b28aa0ad510ab49772"],"state_sha256":"a178be819fed8253383dc540354e9023727585b5698140eb70a55b3235a32b81"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SCa9qFx3arGAOL7xBvwOZhRsGvDEz4nc03HLQKR03DbXM8hyWGPLYX0ODIwbynPhTrT8R8yVjtpj5PCsUUWVCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T01:11:59.724512Z","bundle_sha256":"96b98cae994b6bfbd42ece40c7de749d4e6a561edcca0867dd6f155db03f9054"}}