{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:K4OMEERDKJYWWSANBUYUO3R3RH","short_pith_number":"pith:K4OMEERD","canonical_record":{"source":{"id":"1708.09459","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-30T20:34:11Z","cross_cats_sorted":[],"title_canon_sha256":"201b0d45a3919cc5f3698db1624c789c215d8aea96cf1795de23516fc954be30","abstract_canon_sha256":"84630d80c4d4022f42516a278d49d7b8a21b44ba9039117204d13d2643cff92f"},"schema_version":"1.0"},"canonical_sha256":"571cc2122352716b480d0d31476e3b89f252730b37a488a43d4017f6f4975475","source":{"kind":"arxiv","id":"1708.09459","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.09459","created_at":"2026-05-18T00:31:11Z"},{"alias_kind":"arxiv_version","alias_value":"1708.09459v2","created_at":"2026-05-18T00:31:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.09459","created_at":"2026-05-18T00:31:11Z"},{"alias_kind":"pith_short_12","alias_value":"K4OMEERDKJYW","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"K4OMEERDKJYWWSAN","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"K4OMEERD","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:K4OMEERDKJYWWSANBUYUO3R3RH","target":"record","payload":{"canonical_record":{"source":{"id":"1708.09459","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-30T20:34:11Z","cross_cats_sorted":[],"title_canon_sha256":"201b0d45a3919cc5f3698db1624c789c215d8aea96cf1795de23516fc954be30","abstract_canon_sha256":"84630d80c4d4022f42516a278d49d7b8a21b44ba9039117204d13d2643cff92f"},"schema_version":"1.0"},"canonical_sha256":"571cc2122352716b480d0d31476e3b89f252730b37a488a43d4017f6f4975475","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:31:11.841738Z","signature_b64":"8aSefYpt3AEqsZMqagAbXVnOLwjWMHn04XegFd27HU8RuOs2cy9TjVnTUBJJHNBHKhpx+aUgvetIv2fMZqw6CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"571cc2122352716b480d0d31476e3b89f252730b37a488a43d4017f6f4975475","last_reissued_at":"2026-05-18T00:31:11.841068Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:31:11.841068Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.09459","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":"2026-05-18T00:31:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CDt6+upzM1n/WgsnxzmOegm3ylzZN+P58FRHjXT7SnIKnYyHJhoNHtBOLh8TscyVy83ElL1IvQU83fSnvDfsDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T21:57:27.232299Z"},"content_sha256":"e1f4ccba027978c0533bb06f5cd6ff27c1d3f1822183695092a31833622d4d9e","schema_version":"1.0","event_id":"sha256:e1f4ccba027978c0533bb06f5cd6ff27c1d3f1822183695092a31833622d4d9e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:K4OMEERDKJYWWSANBUYUO3R3RH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pulsar spin-down: the glitch-dominated rotation of PSR J0537-6910","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"C.M. Espinoza, D. Antonopoulou, L. Kuiper, N. Andersson","submitted_at":"2017-08-30T20:34:11Z","abstract_excerpt":"The young, fast-spinning, X-ray pulsar J0537-6910 displays an extreme glitch activity, with large spin-ups interrupting its decelerating rotation every ~100 days. We present nearly 13 years of timing data from this pulsar, obtained with the {\\it Rossi X-ray Timing Explorer}. We discovered 22 new glitches and performed a consistent analysis of all 45 glitches detected in the complete data span. Our results corroborate the previously reported strong correlation between glitch spin-up size and the time to the next glitch, a relation that has not been observed so far in any other pulsar. The spin "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.09459","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":"2026-05-18T00:31:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hqNdsTqkx399H4rKZnsCr78ONG6s4S05IAPQAWUMiZwmem3nH7cLwSJ788rGstZALYyFJ61VJ+P/BbrCm7aJDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T21:57:27.232658Z"},"content_sha256":"72362b1d1dbe4191102f277e8e1089c6865c4ddfc564339cb54009964ce08169","schema_version":"1.0","event_id":"sha256:72362b1d1dbe4191102f277e8e1089c6865c4ddfc564339cb54009964ce08169"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K4OMEERDKJYWWSANBUYUO3R3RH/bundle.json","state_url":"https://pith.science/pith/K4OMEERDKJYWWSANBUYUO3R3RH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K4OMEERDKJYWWSANBUYUO3R3RH/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":"2026-06-28T21:57:27Z","links":{"resolver":"https://pith.science/pith/K4OMEERDKJYWWSANBUYUO3R3RH","bundle":"https://pith.science/pith/K4OMEERDKJYWWSANBUYUO3R3RH/bundle.json","state":"https://pith.science/pith/K4OMEERDKJYWWSANBUYUO3R3RH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K4OMEERDKJYWWSANBUYUO3R3RH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:K4OMEERDKJYWWSANBUYUO3R3RH","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":"84630d80c4d4022f42516a278d49d7b8a21b44ba9039117204d13d2643cff92f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-30T20:34:11Z","title_canon_sha256":"201b0d45a3919cc5f3698db1624c789c215d8aea96cf1795de23516fc954be30"},"schema_version":"1.0","source":{"id":"1708.09459","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.09459","created_at":"2026-05-18T00:31:11Z"},{"alias_kind":"arxiv_version","alias_value":"1708.09459v2","created_at":"2026-05-18T00:31:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.09459","created_at":"2026-05-18T00:31:11Z"},{"alias_kind":"pith_short_12","alias_value":"K4OMEERDKJYW","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"K4OMEERDKJYWWSAN","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"K4OMEERD","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:72362b1d1dbe4191102f277e8e1089c6865c4ddfc564339cb54009964ce08169","target":"graph","created_at":"2026-05-18T00:31:11Z","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 young, fast-spinning, X-ray pulsar J0537-6910 displays an extreme glitch activity, with large spin-ups interrupting its decelerating rotation every ~100 days. We present nearly 13 years of timing data from this pulsar, obtained with the {\\it Rossi X-ray Timing Explorer}. We discovered 22 new glitches and performed a consistent analysis of all 45 glitches detected in the complete data span. Our results corroborate the previously reported strong correlation between glitch spin-up size and the time to the next glitch, a relation that has not been observed so far in any other pulsar. The spin ","authors_text":"C.M. Espinoza, D. Antonopoulou, L. Kuiper, N. Andersson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-30T20:34:11Z","title":"Pulsar spin-down: the glitch-dominated rotation of PSR J0537-6910"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.09459","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:e1f4ccba027978c0533bb06f5cd6ff27c1d3f1822183695092a31833622d4d9e","target":"record","created_at":"2026-05-18T00:31:11Z","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":"84630d80c4d4022f42516a278d49d7b8a21b44ba9039117204d13d2643cff92f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-30T20:34:11Z","title_canon_sha256":"201b0d45a3919cc5f3698db1624c789c215d8aea96cf1795de23516fc954be30"},"schema_version":"1.0","source":{"id":"1708.09459","kind":"arxiv","version":2}},"canonical_sha256":"571cc2122352716b480d0d31476e3b89f252730b37a488a43d4017f6f4975475","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"571cc2122352716b480d0d31476e3b89f252730b37a488a43d4017f6f4975475","first_computed_at":"2026-05-18T00:31:11.841068Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:31:11.841068Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8aSefYpt3AEqsZMqagAbXVnOLwjWMHn04XegFd27HU8RuOs2cy9TjVnTUBJJHNBHKhpx+aUgvetIv2fMZqw6CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:31:11.841738Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.09459","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1f4ccba027978c0533bb06f5cd6ff27c1d3f1822183695092a31833622d4d9e","sha256:72362b1d1dbe4191102f277e8e1089c6865c4ddfc564339cb54009964ce08169"],"state_sha256":"0c738cf6607cdadd15957a39607297eb180819e84eb78766e03fd7f9eb7e953e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GHYA6oy86riyBNXM9IAdYMhbxlrVMkM3Ibca6U3arjaS2KnIRh6cfwh8//5rQA1249B1ErqrPpfgcCNAeS4dBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T21:57:27.234719Z","bundle_sha256":"228d2b348630c0f2df1106b3bb6b23baca428607a70c8c267f231801c75590c2"}}