{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:V7SAVLC72TZAV3UTUHN7DQSR5T","short_pith_number":"pith:V7SAVLC7","canonical_record":{"source":{"id":"1210.0224","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-09-30T17:50:45Z","cross_cats_sorted":["astro-ph.IM","gr-qc"],"title_canon_sha256":"1ec3d49b25c1909c159c91f375e4a92643d385a036cfe34586bc9961c461d56f","abstract_canon_sha256":"7e41beb0346b44e4dad17da5152577830ee599bcacf0d0b3eeceb14cf2299620"},"schema_version":"1.0"},"canonical_sha256":"afe40aac5fd4f20aee93a1dbf1c251ecff2035e9d795df27d20e88453aa00822","source":{"kind":"arxiv","id":"1210.0224","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0224","created_at":"2026-05-18T00:59:28Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0224v1","created_at":"2026-05-18T00:59:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0224","created_at":"2026-05-18T00:59:28Z"},{"alias_kind":"pith_short_12","alias_value":"V7SAVLC72TZA","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"V7SAVLC72TZAV3UT","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"V7SAVLC7","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:V7SAVLC72TZAV3UTUHN7DQSR5T","target":"record","payload":{"canonical_record":{"source":{"id":"1210.0224","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-09-30T17:50:45Z","cross_cats_sorted":["astro-ph.IM","gr-qc"],"title_canon_sha256":"1ec3d49b25c1909c159c91f375e4a92643d385a036cfe34586bc9961c461d56f","abstract_canon_sha256":"7e41beb0346b44e4dad17da5152577830ee599bcacf0d0b3eeceb14cf2299620"},"schema_version":"1.0"},"canonical_sha256":"afe40aac5fd4f20aee93a1dbf1c251ecff2035e9d795df27d20e88453aa00822","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:28.281994Z","signature_b64":"ZU8snrvYJ7LUqxF9Z6i9dzRyZZM0i8wFSWtFXJMc8RNB3FRuUKhgwOUXSIajE5CcpUdtDOUXfkCgB33CLw1CAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"afe40aac5fd4f20aee93a1dbf1c251ecff2035e9d795df27d20e88453aa00822","last_reissued_at":"2026-05-18T00:59:28.281437Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:28.281437Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.0224","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":"2026-05-18T00:59:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gBu5XYd7Cbi73X0o6a4O1QcT6PpYNUn/f39kqvD5b9bRhcAqfAOs0IC/6rw1nlxKFC+p4JO4ObLGDcGdFBjWCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:46:04.447614Z"},"content_sha256":"7b7999d3aad661bb1aee44e669355c01237c7a83deada6a7040813bc2e4ca98c","schema_version":"1.0","event_id":"sha256:7b7999d3aad661bb1aee44e669355c01237c7a83deada6a7040813bc2e4ca98c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:V7SAVLC72TZAV3UTUHN7DQSR5T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PSR J1141-6545: a powerful laboratory of GR and tensor-scalar theories of gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM","gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"J. P. W. Verbiest, M. Bailes, N. D. R. Bhat","submitted_at":"2012-09-30T17:50:45Z","abstract_excerpt":"Pulsars in close binary systems have provided some of the most stringent tests of strong-field gravity to date. The pulsar--white-dwarf binary system J1141-6545 is specifically interesting due to its gravitational asymmetry which makes it one of the most powerful probes of tensor-scalar theories of gravity. We give an overview of current gravitational tests provided by the J1141-6545 binary system and comment on how anomalous accelerations, geodetic precession and timing instabilities may be prevented from limiting future tests of gravity to come from this system."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0224","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":"2026-05-18T00:59:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l4SU7NJLgG0mvvr/tbDo/szCEyr/4Y9EjPhPDYu5NB2BwHqCXpT4uZOJhzXfYq8SPd+S/gK/eUvKQ+6LnWRuCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:46:04.447964Z"},"content_sha256":"a48e94425a43f9a263df973bbb3096c5a4012eab9c1b74bbb7b2931cf1693b35","schema_version":"1.0","event_id":"sha256:a48e94425a43f9a263df973bbb3096c5a4012eab9c1b74bbb7b2931cf1693b35"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V7SAVLC72TZAV3UTUHN7DQSR5T/bundle.json","state_url":"https://pith.science/pith/V7SAVLC72TZAV3UTUHN7DQSR5T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V7SAVLC72TZAV3UTUHN7DQSR5T/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":"2026-05-28T11:46:04Z","links":{"resolver":"https://pith.science/pith/V7SAVLC72TZAV3UTUHN7DQSR5T","bundle":"https://pith.science/pith/V7SAVLC72TZAV3UTUHN7DQSR5T/bundle.json","state":"https://pith.science/pith/V7SAVLC72TZAV3UTUHN7DQSR5T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V7SAVLC72TZAV3UTUHN7DQSR5T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:V7SAVLC72TZAV3UTUHN7DQSR5T","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":"7e41beb0346b44e4dad17da5152577830ee599bcacf0d0b3eeceb14cf2299620","cross_cats_sorted":["astro-ph.IM","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-09-30T17:50:45Z","title_canon_sha256":"1ec3d49b25c1909c159c91f375e4a92643d385a036cfe34586bc9961c461d56f"},"schema_version":"1.0","source":{"id":"1210.0224","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0224","created_at":"2026-05-18T00:59:28Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0224v1","created_at":"2026-05-18T00:59:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0224","created_at":"2026-05-18T00:59:28Z"},{"alias_kind":"pith_short_12","alias_value":"V7SAVLC72TZA","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"V7SAVLC72TZAV3UT","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"V7SAVLC7","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:a48e94425a43f9a263df973bbb3096c5a4012eab9c1b74bbb7b2931cf1693b35","target":"graph","created_at":"2026-05-18T00:59:28Z","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 in close binary systems have provided some of the most stringent tests of strong-field gravity to date. The pulsar--white-dwarf binary system J1141-6545 is specifically interesting due to its gravitational asymmetry which makes it one of the most powerful probes of tensor-scalar theories of gravity. We give an overview of current gravitational tests provided by the J1141-6545 binary system and comment on how anomalous accelerations, geodetic precession and timing instabilities may be prevented from limiting future tests of gravity to come from this system.","authors_text":"J. P. W. Verbiest, M. Bailes, N. D. R. Bhat","cross_cats":["astro-ph.IM","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-09-30T17:50:45Z","title":"PSR J1141-6545: a powerful laboratory of GR and tensor-scalar theories of gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0224","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":"sha256:7b7999d3aad661bb1aee44e669355c01237c7a83deada6a7040813bc2e4ca98c","target":"record","created_at":"2026-05-18T00:59:28Z","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":"7e41beb0346b44e4dad17da5152577830ee599bcacf0d0b3eeceb14cf2299620","cross_cats_sorted":["astro-ph.IM","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-09-30T17:50:45Z","title_canon_sha256":"1ec3d49b25c1909c159c91f375e4a92643d385a036cfe34586bc9961c461d56f"},"schema_version":"1.0","source":{"id":"1210.0224","kind":"arxiv","version":1}},"canonical_sha256":"afe40aac5fd4f20aee93a1dbf1c251ecff2035e9d795df27d20e88453aa00822","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"afe40aac5fd4f20aee93a1dbf1c251ecff2035e9d795df27d20e88453aa00822","first_computed_at":"2026-05-18T00:59:28.281437Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:59:28.281437Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZU8snrvYJ7LUqxF9Z6i9dzRyZZM0i8wFSWtFXJMc8RNB3FRuUKhgwOUXSIajE5CcpUdtDOUXfkCgB33CLw1CAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:59:28.281994Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.0224","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b7999d3aad661bb1aee44e669355c01237c7a83deada6a7040813bc2e4ca98c","sha256:a48e94425a43f9a263df973bbb3096c5a4012eab9c1b74bbb7b2931cf1693b35"],"state_sha256":"217c87359281a7840b732cf8a744d2027dfc152f70b3d6cd50f45375acbea5fc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wR0aT1Wl5d3Y+FiA4fS/j24fQuGZYJq2DBFg+Vsc2yYIUqEIMhNeDNM9URJhVV5B7bHU/yYX21qDCdv2b1A7Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T11:46:04.449947Z","bundle_sha256":"ab8eaeed2306b23c4eb81b7c3f3d74820366a58958c3f5221d32adeecac6b51a"}}