{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:UCF5RA3HTCN5UYAI66I3KRG3PX","short_pith_number":"pith:UCF5RA3H","canonical_record":{"source":{"id":"1504.06626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-24T20:00:40Z","cross_cats_sorted":[],"title_canon_sha256":"fd09c54c10feec47420f17d9f715c29fff3c0974fdc4f61cf5548244469c3763","abstract_canon_sha256":"6fc29940c6ee21d600fa9c51f0a35123a9718efc2cda8e9e6e944e641fd9d763"},"schema_version":"1.0"},"canonical_sha256":"a08bd88367989bda6008f791b544db7dd173238c24ad698b58fa3082950f6de8","source":{"kind":"arxiv","id":"1504.06626","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.06626","created_at":"2026-05-18T01:32:29Z"},{"alias_kind":"arxiv_version","alias_value":"1504.06626v1","created_at":"2026-05-18T01:32:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.06626","created_at":"2026-05-18T01:32:29Z"},{"alias_kind":"pith_short_12","alias_value":"UCF5RA3HTCN5","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UCF5RA3HTCN5UYAI","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UCF5RA3H","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:UCF5RA3HTCN5UYAI66I3KRG3PX","target":"record","payload":{"canonical_record":{"source":{"id":"1504.06626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-24T20:00:40Z","cross_cats_sorted":[],"title_canon_sha256":"fd09c54c10feec47420f17d9f715c29fff3c0974fdc4f61cf5548244469c3763","abstract_canon_sha256":"6fc29940c6ee21d600fa9c51f0a35123a9718efc2cda8e9e6e944e641fd9d763"},"schema_version":"1.0"},"canonical_sha256":"a08bd88367989bda6008f791b544db7dd173238c24ad698b58fa3082950f6de8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:29.676110Z","signature_b64":"LTG7/59m9kZQAH9dUY66R35D94inOAIm0fNBQf7vbLiocfYvDoNlUTMimZhoKXrrolcTNdUhMRudlFUMUm2DCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a08bd88367989bda6008f791b544db7dd173238c24ad698b58fa3082950f6de8","last_reissued_at":"2026-05-18T01:32:29.675598Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:29.675598Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.06626","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":"2026-05-18T01:32:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZK6RHg+S9+z0m9wuTbvjX6F/8hAKqYjKqpDogNoNF0MdGYSmhhRptA1FLp6liuIuXOD86M4jRByerK2YGxs3Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T23:37:19.691990Z"},"content_sha256":"1b343e3a6f85331e42531034ac340b20c50428bfb38bd6cc855660b637d1572e","schema_version":"1.0","event_id":"sha256:1b343e3a6f85331e42531034ac340b20c50428bfb38bd6cc855660b637d1572e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:UCF5RA3HTCN5UYAI66I3KRG3PX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution of non-spherical pulsars with plasma-filled magnetospheres","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"(2) Princeton, (3) Berkeley), Alexander Philippov (2), Alexander Tchekhovskoy (3) ((1) MIPT, Lev Arzamasskiy (1)","submitted_at":"2015-04-24T20:00:40Z","abstract_excerpt":"Pulsars are famous for their rotational stability. Most of them steadily spin down and display a highly repetitive pulse shape. But some pulsars experience timing irregularities such as nulling, intermittency, mode changing and timing noise. As changes in the pulse shape are often correlated with timing irregularities, precession is a possible cause of these phenomena. Whereas pulsar magnetospheres are filled with plasma, most pulsar precession studies were carried out within the vacuum approximation and neglected the effects of magnetospheric currents and charges. Recent numerical simulations"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.06626","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":"2026-05-18T01:32:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H7SJU2sxdHnNz3fkpS9hTujz1EQY2DcBopoyZZDjUFTr8z+uD0azxpiP0n1HJev5yFXlJyzCD7mrqZsOcWO8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T23:37:19.692343Z"},"content_sha256":"299ce7e4c507932f24098618cecfb995080db07654765e0ea64221c07366816d","schema_version":"1.0","event_id":"sha256:299ce7e4c507932f24098618cecfb995080db07654765e0ea64221c07366816d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UCF5RA3HTCN5UYAI66I3KRG3PX/bundle.json","state_url":"https://pith.science/pith/UCF5RA3HTCN5UYAI66I3KRG3PX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UCF5RA3HTCN5UYAI66I3KRG3PX/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":"2026-05-30T23:37:19Z","links":{"resolver":"https://pith.science/pith/UCF5RA3HTCN5UYAI66I3KRG3PX","bundle":"https://pith.science/pith/UCF5RA3HTCN5UYAI66I3KRG3PX/bundle.json","state":"https://pith.science/pith/UCF5RA3HTCN5UYAI66I3KRG3PX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UCF5RA3HTCN5UYAI66I3KRG3PX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:UCF5RA3HTCN5UYAI66I3KRG3PX","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":"6fc29940c6ee21d600fa9c51f0a35123a9718efc2cda8e9e6e944e641fd9d763","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-24T20:00:40Z","title_canon_sha256":"fd09c54c10feec47420f17d9f715c29fff3c0974fdc4f61cf5548244469c3763"},"schema_version":"1.0","source":{"id":"1504.06626","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.06626","created_at":"2026-05-18T01:32:29Z"},{"alias_kind":"arxiv_version","alias_value":"1504.06626v1","created_at":"2026-05-18T01:32:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.06626","created_at":"2026-05-18T01:32:29Z"},{"alias_kind":"pith_short_12","alias_value":"UCF5RA3HTCN5","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UCF5RA3HTCN5UYAI","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UCF5RA3H","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:299ce7e4c507932f24098618cecfb995080db07654765e0ea64221c07366816d","target":"graph","created_at":"2026-05-18T01:32:29Z","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":"Pulsars are famous for their rotational stability. Most of them steadily spin down and display a highly repetitive pulse shape. But some pulsars experience timing irregularities such as nulling, intermittency, mode changing and timing noise. As changes in the pulse shape are often correlated with timing irregularities, precession is a possible cause of these phenomena. Whereas pulsar magnetospheres are filled with plasma, most pulsar precession studies were carried out within the vacuum approximation and neglected the effects of magnetospheric currents and charges. Recent numerical simulations","authors_text":"(2) Princeton, (3) Berkeley), Alexander Philippov (2), Alexander Tchekhovskoy (3) ((1) MIPT, Lev Arzamasskiy (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-24T20:00:40Z","title":"Evolution of non-spherical pulsars with plasma-filled magnetospheres"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.06626","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":"sha256:1b343e3a6f85331e42531034ac340b20c50428bfb38bd6cc855660b637d1572e","target":"record","created_at":"2026-05-18T01:32:29Z","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":"6fc29940c6ee21d600fa9c51f0a35123a9718efc2cda8e9e6e944e641fd9d763","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-24T20:00:40Z","title_canon_sha256":"fd09c54c10feec47420f17d9f715c29fff3c0974fdc4f61cf5548244469c3763"},"schema_version":"1.0","source":{"id":"1504.06626","kind":"arxiv","version":1}},"canonical_sha256":"a08bd88367989bda6008f791b544db7dd173238c24ad698b58fa3082950f6de8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a08bd88367989bda6008f791b544db7dd173238c24ad698b58fa3082950f6de8","first_computed_at":"2026-05-18T01:32:29.675598Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:29.675598Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LTG7/59m9kZQAH9dUY66R35D94inOAIm0fNBQf7vbLiocfYvDoNlUTMimZhoKXrrolcTNdUhMRudlFUMUm2DCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:29.676110Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.06626","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b343e3a6f85331e42531034ac340b20c50428bfb38bd6cc855660b637d1572e","sha256:299ce7e4c507932f24098618cecfb995080db07654765e0ea64221c07366816d"],"state_sha256":"24dab666cbe65276d5eb590694a99557c8afd76ceac8b82ce749d87ab416ce05"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lM0bKiXzLSIkMIih0cjm5+ItEH3vgVd8XcP/2PJ7tbe/1yzQS0mA1wyji1uORrE7uu8Rkzv93UlkslfQHxHhBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T23:37:19.694285Z","bundle_sha256":"e3e5971e1c73b46e47093214b66b06b795bd87b3daada053d70b84ac1963a680"}}