{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:R22Y77MAKFBB6KKT6GUENPZJVD","short_pith_number":"pith:R22Y77MA","canonical_record":{"source":{"id":"astro-ph/0610685","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-10-23T20:00:06Z","cross_cats_sorted":[],"title_canon_sha256":"2902485ab7eff201d4b45b4b1086265fe999ce957361cd1154f59755ab329132","abstract_canon_sha256":"b0749f0bbe8d1d8b44354efba7e89b065e8dd9e9f0fab91665c91012c1f93c90"},"schema_version":"1.0"},"canonical_sha256":"8eb58ffd8051421f2953f1a846bf29a8de3fce62ec73cb69d949e31cf08872d5","source":{"kind":"arxiv","id":"astro-ph/0610685","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0610685","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0610685v2","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0610685","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"pith_short_12","alias_value":"R22Y77MAKFBB","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"R22Y77MAKFBB6KKT","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"R22Y77MA","created_at":"2026-05-18T12:25:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:R22Y77MAKFBB6KKT6GUENPZJVD","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0610685","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-10-23T20:00:06Z","cross_cats_sorted":[],"title_canon_sha256":"2902485ab7eff201d4b45b4b1086265fe999ce957361cd1154f59755ab329132","abstract_canon_sha256":"b0749f0bbe8d1d8b44354efba7e89b065e8dd9e9f0fab91665c91012c1f93c90"},"schema_version":"1.0"},"canonical_sha256":"8eb58ffd8051421f2953f1a846bf29a8de3fce62ec73cb69d949e31cf08872d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:28:57.434349Z","signature_b64":"Yxu5K8LhnRSmLXhO7pDWsNB8ICYZ8WdHpkheGx1XsEXKc1doT8TcLgCemAAZ3K+GZviSJ5VJqAV1ciyBN7n9Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8eb58ffd8051421f2953f1a846bf29a8de3fce62ec73cb69d949e31cf08872d5","last_reissued_at":"2026-05-18T04:28:57.433768Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:28:57.433768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0610685","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":"2026-05-18T04:28:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3h1rAaorhMi72LWMKUTAEnpigBewAtoyVS4KOLFN3q2HbmLs9oRAwd8GcDpQ/ik24RNQc/PY8cjvpp7sCmLRDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:07:41.897727Z"},"content_sha256":"a17b4c620a268f2a68fc629acb9efad121ca6d4e501899b55e57e0888b6057e1","schema_version":"1.0","event_id":"sha256:a17b4c620a268f2a68fc629acb9efad121ca6d4e501899b55e57e0888b6057e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:R22Y77MAKFBB6KKT6GUENPZJVD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The magnetar XTE J1810-197: variations in torque, radio flux density and pulse profile morphology","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) CNRS, (3) Nrao, (4) ATNF, (5) Berkeley), D. C. Backer (5) ((1) Columbia, D. J. Helfand (1), E. V. Gotthelf (1), F. Camilo (1), G. Theureau (2), I. Cognard (2), J. P. Halpern (1), J. Reynolds (4), N. Zimmerman (1), P. Demorest (5), S. M. Ransom (3)","submitted_at":"2006-10-23T20:00:06Z","abstract_excerpt":"We report on 9 months of observations of the radio-emitting anomalous X-ray pulsar XTE J1810-197 starting in 2006 May using the Nancay, Parkes, GBT, and VLA telescopes mainly at a frequency of 1.4 GHz. The torque experienced by the neutron star during this period, as inferred from a measurement of its rotational frequency derivative, decreased by 60%, although not in a steady manner. We have also observed very large ongoing fluctuations in flux density and pulse shape. Superimposed on these, a general diminution of flux density and a broadening of the pulse profile components occurred nearly c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0610685","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":"2026-05-18T04:28:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VZ17nf23U9wDtVj0Ny0oSt2XH1EfGCZAY4AmTKts1Vn3SO0RLL1Qx/Qk8Tg5ev19ui5A5V60o4X4AYxUaEm0Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:07:41.898076Z"},"content_sha256":"557a4291daa25c1e8f14e92699dbaa54382f33ebc5d8ba153ec1a956bfdff6cd","schema_version":"1.0","event_id":"sha256:557a4291daa25c1e8f14e92699dbaa54382f33ebc5d8ba153ec1a956bfdff6cd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R22Y77MAKFBB6KKT6GUENPZJVD/bundle.json","state_url":"https://pith.science/pith/R22Y77MAKFBB6KKT6GUENPZJVD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R22Y77MAKFBB6KKT6GUENPZJVD/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":"2026-05-28T03:07:41Z","links":{"resolver":"https://pith.science/pith/R22Y77MAKFBB6KKT6GUENPZJVD","bundle":"https://pith.science/pith/R22Y77MAKFBB6KKT6GUENPZJVD/bundle.json","state":"https://pith.science/pith/R22Y77MAKFBB6KKT6GUENPZJVD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R22Y77MAKFBB6KKT6GUENPZJVD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:R22Y77MAKFBB6KKT6GUENPZJVD","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":"b0749f0bbe8d1d8b44354efba7e89b065e8dd9e9f0fab91665c91012c1f93c90","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-10-23T20:00:06Z","title_canon_sha256":"2902485ab7eff201d4b45b4b1086265fe999ce957361cd1154f59755ab329132"},"schema_version":"1.0","source":{"id":"astro-ph/0610685","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0610685","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0610685v2","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0610685","created_at":"2026-05-18T04:28:57Z"},{"alias_kind":"pith_short_12","alias_value":"R22Y77MAKFBB","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"R22Y77MAKFBB6KKT","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"R22Y77MA","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:557a4291daa25c1e8f14e92699dbaa54382f33ebc5d8ba153ec1a956bfdff6cd","target":"graph","created_at":"2026-05-18T04:28:57Z","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":"We report on 9 months of observations of the radio-emitting anomalous X-ray pulsar XTE J1810-197 starting in 2006 May using the Nancay, Parkes, GBT, and VLA telescopes mainly at a frequency of 1.4 GHz. The torque experienced by the neutron star during this period, as inferred from a measurement of its rotational frequency derivative, decreased by 60%, although not in a steady manner. We have also observed very large ongoing fluctuations in flux density and pulse shape. Superimposed on these, a general diminution of flux density and a broadening of the pulse profile components occurred nearly c","authors_text":"(2) CNRS, (3) Nrao, (4) ATNF, (5) Berkeley), D. C. Backer (5) ((1) Columbia, D. J. Helfand (1), E. V. Gotthelf (1), F. Camilo (1), G. Theureau (2), I. Cognard (2), J. P. Halpern (1), J. Reynolds (4), N. Zimmerman (1), P. Demorest (5), S. M. Ransom (3)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-10-23T20:00:06Z","title":"The magnetar XTE J1810-197: variations in torque, radio flux density and pulse profile morphology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0610685","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:a17b4c620a268f2a68fc629acb9efad121ca6d4e501899b55e57e0888b6057e1","target":"record","created_at":"2026-05-18T04:28:57Z","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":"b0749f0bbe8d1d8b44354efba7e89b065e8dd9e9f0fab91665c91012c1f93c90","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-10-23T20:00:06Z","title_canon_sha256":"2902485ab7eff201d4b45b4b1086265fe999ce957361cd1154f59755ab329132"},"schema_version":"1.0","source":{"id":"astro-ph/0610685","kind":"arxiv","version":2}},"canonical_sha256":"8eb58ffd8051421f2953f1a846bf29a8de3fce62ec73cb69d949e31cf08872d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8eb58ffd8051421f2953f1a846bf29a8de3fce62ec73cb69d949e31cf08872d5","first_computed_at":"2026-05-18T04:28:57.433768Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:28:57.433768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Yxu5K8LhnRSmLXhO7pDWsNB8ICYZ8WdHpkheGx1XsEXKc1doT8TcLgCemAAZ3K+GZviSJ5VJqAV1ciyBN7n9Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:28:57.434349Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0610685","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a17b4c620a268f2a68fc629acb9efad121ca6d4e501899b55e57e0888b6057e1","sha256:557a4291daa25c1e8f14e92699dbaa54382f33ebc5d8ba153ec1a956bfdff6cd"],"state_sha256":"a175bfd7ddd9e7c9c5c689b21cc45b90f04be7c6d6cdf489fe182ed82e11a5ca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UdLhzeAw6P8ddDBJq0MYdxTstCyt2q3+ORShoOI7FXUAVWoTVkPucGwxiN8mHvkiVI5XZmMDdz32UokYW7o2DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T03:07:41.900083Z","bundle_sha256":"da7e5ddeba9daa9a2f3f8820774988e2f822f25cdc2fab0accfb74e0645b09ca"}}