{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:Q2GY2IIVYI3YFSQ4X4N3XXZYYF","short_pith_number":"pith:Q2GY2IIV","canonical_record":{"source":{"id":"gr-qc/0510081","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2005-10-17T16:56:56Z","cross_cats_sorted":[],"title_canon_sha256":"f595aac2085f2c882c903bc506970df8bc3dcc8cafb78cf421a0d23346d00144","abstract_canon_sha256":"70a9288b39e4ff0ce71a7a6a595f4f01442b20be8d3cfd64da306efa26e54fdc"},"schema_version":"1.0"},"canonical_sha256":"868d8d2115c23782ca1cbf1bbbdf38c150758b4ede741385bb1286b611423a8f","source":{"kind":"arxiv","id":"gr-qc/0510081","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0510081","created_at":"2026-07-04T16:55:18Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0510081v1","created_at":"2026-07-04T16:55:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0510081","created_at":"2026-07-04T16:55:18Z"},{"alias_kind":"pith_short_12","alias_value":"Q2GY2IIVYI3Y","created_at":"2026-07-04T16:55:18Z"},{"alias_kind":"pith_short_16","alias_value":"Q2GY2IIVYI3YFSQ4","created_at":"2026-07-04T16:55:18Z"},{"alias_kind":"pith_short_8","alias_value":"Q2GY2IIV","created_at":"2026-07-04T16:55:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:Q2GY2IIVYI3YFSQ4X4N3XXZYYF","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/0510081","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2005-10-17T16:56:56Z","cross_cats_sorted":[],"title_canon_sha256":"f595aac2085f2c882c903bc506970df8bc3dcc8cafb78cf421a0d23346d00144","abstract_canon_sha256":"70a9288b39e4ff0ce71a7a6a595f4f01442b20be8d3cfd64da306efa26e54fdc"},"schema_version":"1.0"},"canonical_sha256":"868d8d2115c23782ca1cbf1bbbdf38c150758b4ede741385bb1286b611423a8f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:55:18.931450Z","signature_b64":"TI9FHqkY7AAxHnRG153X5s864zNrYCCYcl0KeU+kh62G54yKZkdK2LHuGS3JdIVoiNaaxSqP5DXmFs4F+DAwBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"868d8d2115c23782ca1cbf1bbbdf38c150758b4ede741385bb1286b611423a8f","last_reissued_at":"2026-07-04T16:55:18.931096Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:55:18.931096Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/0510081","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":"2026-07-04T16:55:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+FbQatMtvU9tF+kcJzen/rQe9KFeEFtX2iqXOwtZpYM8m3tHB2N1luVdkj4UoCLqa9X522SDD1l4SKGi4iDECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T17:07:24.032843Z"},"content_sha256":"49a50cb8ac0efe9fe0196f74f43b1746758ddd133e8ef5a2a6aeda3c7d35f1c9","schema_version":"1.0","event_id":"sha256:49a50cb8ac0efe9fe0196f74f43b1746758ddd133e8ef5a2a6aeda3c7d35f1c9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:Q2GY2IIVYI3YFSQ4X4N3XXZYYF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Pioneer Anomaly and Its Implications","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"John D. Anderson, Michael Martin Nieto, Slava G. Turyshev","submitted_at":"2005-10-17T16:56:56Z","abstract_excerpt":"The Pioneer 10/11 spacecraft yielded the most precise navigation in deep space to date. However, their radio-metric tracking data has consistently indicated the presence of a small, anomalous, Doppler frequency drift. The drift is a blue-shift, uniformly changing with a rate of ~6 x 10^{-9} Hz/s and can be interpreted as a constant sunward acceleration of each particular spacecraft of a_P =(8.74 +/- 1.33) x 10^{-10} m/s^2. The nature of this anomaly remains unexplained. Here we summarize our current knowledge of the discovered effect and review some of the mechanisms proposed for its explanati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0510081","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/gr-qc/0510081/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":"2026-07-04T16:55:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/U0eoqc8o3YS6roTpX8oAEjaQh+D43MtTkbkIwZN0zp8E87fFYUCd+JYaYs2ir5nxAO/L/5VKePyiU2ABG1cAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T17:07:24.033965Z"},"content_sha256":"f8a6bbaf1f0c3a06b1fd6c93dd3784e65b18055d5c7a520f77d18d8d33acaddd","schema_version":"1.0","event_id":"sha256:f8a6bbaf1f0c3a06b1fd6c93dd3784e65b18055d5c7a520f77d18d8d33acaddd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q2GY2IIVYI3YFSQ4X4N3XXZYYF/bundle.json","state_url":"https://pith.science/pith/Q2GY2IIVYI3YFSQ4X4N3XXZYYF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q2GY2IIVYI3YFSQ4X4N3XXZYYF/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":"2026-08-04T17:07:24Z","links":{"resolver":"https://pith.science/pith/Q2GY2IIVYI3YFSQ4X4N3XXZYYF","bundle":"https://pith.science/pith/Q2GY2IIVYI3YFSQ4X4N3XXZYYF/bundle.json","state":"https://pith.science/pith/Q2GY2IIVYI3YFSQ4X4N3XXZYYF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q2GY2IIVYI3YFSQ4X4N3XXZYYF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:Q2GY2IIVYI3YFSQ4X4N3XXZYYF","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":"70a9288b39e4ff0ce71a7a6a595f4f01442b20be8d3cfd64da306efa26e54fdc","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2005-10-17T16:56:56Z","title_canon_sha256":"f595aac2085f2c882c903bc506970df8bc3dcc8cafb78cf421a0d23346d00144"},"schema_version":"1.0","source":{"id":"gr-qc/0510081","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0510081","created_at":"2026-07-04T16:55:18Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0510081v1","created_at":"2026-07-04T16:55:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0510081","created_at":"2026-07-04T16:55:18Z"},{"alias_kind":"pith_short_12","alias_value":"Q2GY2IIVYI3Y","created_at":"2026-07-04T16:55:18Z"},{"alias_kind":"pith_short_16","alias_value":"Q2GY2IIVYI3YFSQ4","created_at":"2026-07-04T16:55:18Z"},{"alias_kind":"pith_short_8","alias_value":"Q2GY2IIV","created_at":"2026-07-04T16:55:18Z"}],"graph_snapshots":[{"event_id":"sha256:f8a6bbaf1f0c3a06b1fd6c93dd3784e65b18055d5c7a520f77d18d8d33acaddd","target":"graph","created_at":"2026-07-04T16:55:18Z","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/gr-qc/0510081/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Pioneer 10/11 spacecraft yielded the most precise navigation in deep space to date. However, their radio-metric tracking data has consistently indicated the presence of a small, anomalous, Doppler frequency drift. The drift is a blue-shift, uniformly changing with a rate of ~6 x 10^{-9} Hz/s and can be interpreted as a constant sunward acceleration of each particular spacecraft of a_P =(8.74 +/- 1.33) x 10^{-10} m/s^2. The nature of this anomaly remains unexplained. Here we summarize our current knowledge of the discovered effect and review some of the mechanisms proposed for its explanati","authors_text":"John D. Anderson, Michael Martin Nieto, Slava G. Turyshev","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2005-10-17T16:56:56Z","title":"The Pioneer Anomaly and Its Implications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0510081","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":"sha256:49a50cb8ac0efe9fe0196f74f43b1746758ddd133e8ef5a2a6aeda3c7d35f1c9","target":"record","created_at":"2026-07-04T16:55:18Z","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":"70a9288b39e4ff0ce71a7a6a595f4f01442b20be8d3cfd64da306efa26e54fdc","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2005-10-17T16:56:56Z","title_canon_sha256":"f595aac2085f2c882c903bc506970df8bc3dcc8cafb78cf421a0d23346d00144"},"schema_version":"1.0","source":{"id":"gr-qc/0510081","kind":"arxiv","version":1}},"canonical_sha256":"868d8d2115c23782ca1cbf1bbbdf38c150758b4ede741385bb1286b611423a8f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"868d8d2115c23782ca1cbf1bbbdf38c150758b4ede741385bb1286b611423a8f","first_computed_at":"2026-07-04T16:55:18.931096Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:55:18.931096Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TI9FHqkY7AAxHnRG153X5s864zNrYCCYcl0KeU+kh62G54yKZkdK2LHuGS3JdIVoiNaaxSqP5DXmFs4F+DAwBg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:55:18.931450Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0510081","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49a50cb8ac0efe9fe0196f74f43b1746758ddd133e8ef5a2a6aeda3c7d35f1c9","sha256:f8a6bbaf1f0c3a06b1fd6c93dd3784e65b18055d5c7a520f77d18d8d33acaddd"],"state_sha256":"b63bc3f07e6ba23ded8e7e9b9976b371025f8e06341bfda6b1cd8217b7776878"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1+fke0GWrVdbpnJn7TF3ekPc3/k2xGHdK/yUf7DyshLQCXqOBAkAShUJjM5uPGaxZLdoKzHLTfnXBQWDNV3wBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T17:07:24.040800Z","bundle_sha256":"70c45a0e6d158c4ea6f029425c5f0ccfeb8a64fd22beb50da5ece19ea684143a"}}