{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:GBCN55K5LUKSLJWWCF6QKQPLLF","short_pith_number":"pith:GBCN55K5","canonical_record":{"source":{"id":"astro-ph/0010463","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-10-23T20:38:51Z","cross_cats_sorted":[],"title_canon_sha256":"0a28e410bdf05d7f072ff21be376771c2d79c6fa0ecb3d9b211142668194d1b8","abstract_canon_sha256":"661d9f38f7b38d1bec97104b52461b944515c4a15db23213fabd194141ec5fd9"},"schema_version":"1.0"},"canonical_sha256":"3044def55d5d1525a6d6117d0541eb5952dc4d5abe4fc74e8c7cd464093ef69b","source":{"kind":"arxiv","id":"astro-ph/0010463","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0010463","created_at":"2026-07-04T15:26:19Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0010463v1","created_at":"2026-07-04T15:26:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0010463","created_at":"2026-07-04T15:26:19Z"},{"alias_kind":"pith_short_12","alias_value":"GBCN55K5LUKS","created_at":"2026-07-04T15:26:19Z"},{"alias_kind":"pith_short_16","alias_value":"GBCN55K5LUKSLJWW","created_at":"2026-07-04T15:26:19Z"},{"alias_kind":"pith_short_8","alias_value":"GBCN55K5","created_at":"2026-07-04T15:26:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:GBCN55K5LUKSLJWWCF6QKQPLLF","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0010463","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-10-23T20:38:51Z","cross_cats_sorted":[],"title_canon_sha256":"0a28e410bdf05d7f072ff21be376771c2d79c6fa0ecb3d9b211142668194d1b8","abstract_canon_sha256":"661d9f38f7b38d1bec97104b52461b944515c4a15db23213fabd194141ec5fd9"},"schema_version":"1.0"},"canonical_sha256":"3044def55d5d1525a6d6117d0541eb5952dc4d5abe4fc74e8c7cd464093ef69b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:26:19.410153Z","signature_b64":"J8KAULxKaTZELVi/eGUWyas8dH4DmZVykk5ZFvBThEkWoYWDs6ddndxNAVGGiD8bOY6sS02LAa67giBAPufDDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3044def55d5d1525a6d6117d0541eb5952dc4d5abe4fc74e8c7cd464093ef69b","last_reissued_at":"2026-07-04T15:26:19.409673Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:26:19.409673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0010463","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":"2026-07-04T15:26:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xGdLHGLUR57HYbZAxPbkBMtHEinwJfZM17Hi4OmlTz+RnZpS4tM8fMSTHkV+zqtb7DYyeBP3J9C8AT/oKe8HCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T00:42:47.073778Z"},"content_sha256":"91f5046aaaf97624372164cba57c9fe1d86918d8674dbe71ee8b13412d07a54e","schema_version":"1.0","event_id":"sha256:91f5046aaaf97624372164cba57c9fe1d86918d8674dbe71ee8b13412d07a54e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:GBCN55K5LUKSLJWWCF6QKQPLLF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Determination of the orbital parameters of binary pulsars","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. G. Lyne, M. Kramer, P. C. Freire","submitted_at":"2000-10-23T20:38:51Z","abstract_excerpt":"We present a simple novel method for determining the orbital parameters of binary pulsars. This method works with any sort of orbital sampling, no matter how sparse, provided that information on the period derivatives is available with each measurement of the rotational period of the pulsar, and it is applicable to binary systems with nearly circular orbits. We use the technique to precisely estimate the hitherto unknown orbital parameters of two binary millisecond pulsars in the globular cluster 47 Tucanae, 47 Tuc S and T. The method can also be used more generally to make first-order estimat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0010463","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0010463/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:26:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nwYNPCbrFTW4I0KwlteYju+PrB197xlrnT7D0xEORcIwA0rBArXeGoU9LC9wwTWSlKp3jVXZC/AchWXPbXelCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T00:42:47.074630Z"},"content_sha256":"eff523c42b3139025f15a46f03f2666e74325b04d806e8b7b00d4983668211d7","schema_version":"1.0","event_id":"sha256:eff523c42b3139025f15a46f03f2666e74325b04d806e8b7b00d4983668211d7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GBCN55K5LUKSLJWWCF6QKQPLLF/bundle.json","state_url":"https://pith.science/pith/GBCN55K5LUKSLJWWCF6QKQPLLF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GBCN55K5LUKSLJWWCF6QKQPLLF/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":"2026-08-02T00:42:47Z","links":{"resolver":"https://pith.science/pith/GBCN55K5LUKSLJWWCF6QKQPLLF","bundle":"https://pith.science/pith/GBCN55K5LUKSLJWWCF6QKQPLLF/bundle.json","state":"https://pith.science/pith/GBCN55K5LUKSLJWWCF6QKQPLLF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GBCN55K5LUKSLJWWCF6QKQPLLF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:GBCN55K5LUKSLJWWCF6QKQPLLF","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":"661d9f38f7b38d1bec97104b52461b944515c4a15db23213fabd194141ec5fd9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-10-23T20:38:51Z","title_canon_sha256":"0a28e410bdf05d7f072ff21be376771c2d79c6fa0ecb3d9b211142668194d1b8"},"schema_version":"1.0","source":{"id":"astro-ph/0010463","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0010463","created_at":"2026-07-04T15:26:19Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0010463v1","created_at":"2026-07-04T15:26:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0010463","created_at":"2026-07-04T15:26:19Z"},{"alias_kind":"pith_short_12","alias_value":"GBCN55K5LUKS","created_at":"2026-07-04T15:26:19Z"},{"alias_kind":"pith_short_16","alias_value":"GBCN55K5LUKSLJWW","created_at":"2026-07-04T15:26:19Z"},{"alias_kind":"pith_short_8","alias_value":"GBCN55K5","created_at":"2026-07-04T15:26:19Z"}],"graph_snapshots":[{"event_id":"sha256:eff523c42b3139025f15a46f03f2666e74325b04d806e8b7b00d4983668211d7","target":"graph","created_at":"2026-07-04T15:26:19Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0010463/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a simple novel method for determining the orbital parameters of binary pulsars. This method works with any sort of orbital sampling, no matter how sparse, provided that information on the period derivatives is available with each measurement of the rotational period of the pulsar, and it is applicable to binary systems with nearly circular orbits. We use the technique to precisely estimate the hitherto unknown orbital parameters of two binary millisecond pulsars in the globular cluster 47 Tucanae, 47 Tuc S and T. The method can also be used more generally to make first-order estimat","authors_text":"A. G. Lyne, M. Kramer, P. C. Freire","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-10-23T20:38:51Z","title":"Determination of the orbital parameters of binary pulsars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0010463","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":"sha256:91f5046aaaf97624372164cba57c9fe1d86918d8674dbe71ee8b13412d07a54e","target":"record","created_at":"2026-07-04T15:26:19Z","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":"661d9f38f7b38d1bec97104b52461b944515c4a15db23213fabd194141ec5fd9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-10-23T20:38:51Z","title_canon_sha256":"0a28e410bdf05d7f072ff21be376771c2d79c6fa0ecb3d9b211142668194d1b8"},"schema_version":"1.0","source":{"id":"astro-ph/0010463","kind":"arxiv","version":1}},"canonical_sha256":"3044def55d5d1525a6d6117d0541eb5952dc4d5abe4fc74e8c7cd464093ef69b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3044def55d5d1525a6d6117d0541eb5952dc4d5abe4fc74e8c7cd464093ef69b","first_computed_at":"2026-07-04T15:26:19.409673Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:26:19.409673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J8KAULxKaTZELVi/eGUWyas8dH4DmZVykk5ZFvBThEkWoYWDs6ddndxNAVGGiD8bOY6sS02LAa67giBAPufDDw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:26:19.410153Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0010463","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91f5046aaaf97624372164cba57c9fe1d86918d8674dbe71ee8b13412d07a54e","sha256:eff523c42b3139025f15a46f03f2666e74325b04d806e8b7b00d4983668211d7"],"state_sha256":"fc79e63fbd21f108bb5496305f754c09d5aac9a5287cb1294ff9a5dfdc8aa12a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ldfxQMXy27r+HuIDbCoacFDjUO64Kuz6uWKawErEDN33qgGuvY+2bmTE76dv+sFyES18qSyPlKgjMXxzHHd2Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-02T00:42:47.081352Z","bundle_sha256":"c736af4cb60cddef908682c4cfec20c1e29dc7879a374ef8c9123c36c48af421"}}