{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:3VH5LWDWTEMMQRWPXFN4BUTBOH","short_pith_number":"pith:3VH5LWDW","canonical_record":{"source":{"id":"0907.4318","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-07-24T15:45:09Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"217b9d5f750f2e92f3a4fbcfb608e5bbe9f1c40e4e33574ebc4eb8d210b10dbe","abstract_canon_sha256":"a2ca019dcd2800be75428cdd33bd0bbcbcc9458a126bc7c53e571013068fc272"},"schema_version":"1.0"},"canonical_sha256":"dd4fd5d8769918c846cfb95bc0d26171dac9507a04c27075c11cb32233548c3f","source":{"kind":"arxiv","id":"0907.4318","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.4318","created_at":"2026-05-18T04:41:54Z"},{"alias_kind":"arxiv_version","alias_value":"0907.4318v3","created_at":"2026-05-18T04:41:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.4318","created_at":"2026-05-18T04:41:54Z"},{"alias_kind":"pith_short_12","alias_value":"3VH5LWDWTEMM","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"3VH5LWDWTEMMQRWP","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"3VH5LWDW","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:3VH5LWDWTEMMQRWPXFN4BUTBOH","target":"record","payload":{"canonical_record":{"source":{"id":"0907.4318","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-07-24T15:45:09Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"217b9d5f750f2e92f3a4fbcfb608e5bbe9f1c40e4e33574ebc4eb8d210b10dbe","abstract_canon_sha256":"a2ca019dcd2800be75428cdd33bd0bbcbcc9458a126bc7c53e571013068fc272"},"schema_version":"1.0"},"canonical_sha256":"dd4fd5d8769918c846cfb95bc0d26171dac9507a04c27075c11cb32233548c3f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:41:54.867767Z","signature_b64":"JGCQWR3LVq5ODVPMmiUGExiG3g2cISugocaNDRFa/MMagyCqY+AEgLYd3Tc7xTXA7c0kPbf+ufNv5V1u4vaiBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd4fd5d8769918c846cfb95bc0d26171dac9507a04c27075c11cb32233548c3f","last_reissued_at":"2026-05-18T04:41:54.867218Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:41:54.867218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0907.4318","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:41:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PP+SxdRDNAh7ZA2cHGptYGyLnTq7pWDArAqMfXzxe8fYjodyTjNn2FOnkDCWwHKNB5C4vG9ubMOAPCkvqSaPCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T18:27:58.503851Z"},"content_sha256":"4af9e0fc61a9f9875f48d33ced02b1f0c99ef2d2a9511fb12e90a93546e9e2fe","schema_version":"1.0","event_id":"sha256:4af9e0fc61a9f9875f48d33ced02b1f0c99ef2d2a9511fb12e90a93546e9e2fe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:3VH5LWDWTEMMQRWPXFN4BUTBOH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient computation of the quadrupole light deflection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.EP","authors_text":"Sergei A. Klioner, Sven Zschocke","submitted_at":"2009-07-24T15:45:09Z","abstract_excerpt":"Efficient computation of the quadrupole light deflection for quasars/quasars and solar system objects within the framework of the baseline Gaia relativity model (GREM) is discussed. Two refinements have been achieved with the goal to improve the performance of the model: First, the quadrupole deflection formulas for both cases are simplified as much as possible considering the Gaia nominal orbit (only approximate minimal distances between Gaia and the giant planets were used here), physical parameters of the giant planets and the envisaged accuracy of 1 microarcsecond for individual systematic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.4318","kind":"arxiv","version":3},"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":"2026-05-18T04:41:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Itkm0iiSJEbSmw2e8C4tgal1CkTfnxO7hRTa8QMYAJ5eJBGieOgkJVxkFCX7zvquGsOSHTDBTRgGCQcGgC7wCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T18:27:58.504195Z"},"content_sha256":"bbb8b1b4b177621e4c78f2efa3910ff06b6ac7a6b0a4e4ffaed778044cefa3e1","schema_version":"1.0","event_id":"sha256:bbb8b1b4b177621e4c78f2efa3910ff06b6ac7a6b0a4e4ffaed778044cefa3e1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3VH5LWDWTEMMQRWPXFN4BUTBOH/bundle.json","state_url":"https://pith.science/pith/3VH5LWDWTEMMQRWPXFN4BUTBOH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3VH5LWDWTEMMQRWPXFN4BUTBOH/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":"2026-06-25T18:27:58Z","links":{"resolver":"https://pith.science/pith/3VH5LWDWTEMMQRWPXFN4BUTBOH","bundle":"https://pith.science/pith/3VH5LWDWTEMMQRWPXFN4BUTBOH/bundle.json","state":"https://pith.science/pith/3VH5LWDWTEMMQRWPXFN4BUTBOH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3VH5LWDWTEMMQRWPXFN4BUTBOH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:3VH5LWDWTEMMQRWPXFN4BUTBOH","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":"a2ca019dcd2800be75428cdd33bd0bbcbcc9458a126bc7c53e571013068fc272","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-07-24T15:45:09Z","title_canon_sha256":"217b9d5f750f2e92f3a4fbcfb608e5bbe9f1c40e4e33574ebc4eb8d210b10dbe"},"schema_version":"1.0","source":{"id":"0907.4318","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.4318","created_at":"2026-05-18T04:41:54Z"},{"alias_kind":"arxiv_version","alias_value":"0907.4318v3","created_at":"2026-05-18T04:41:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.4318","created_at":"2026-05-18T04:41:54Z"},{"alias_kind":"pith_short_12","alias_value":"3VH5LWDWTEMM","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"3VH5LWDWTEMMQRWP","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"3VH5LWDW","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:bbb8b1b4b177621e4c78f2efa3910ff06b6ac7a6b0a4e4ffaed778044cefa3e1","target":"graph","created_at":"2026-05-18T04:41:54Z","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":"Efficient computation of the quadrupole light deflection for quasars/quasars and solar system objects within the framework of the baseline Gaia relativity model (GREM) is discussed. Two refinements have been achieved with the goal to improve the performance of the model: First, the quadrupole deflection formulas for both cases are simplified as much as possible considering the Gaia nominal orbit (only approximate minimal distances between Gaia and the giant planets were used here), physical parameters of the giant planets and the envisaged accuracy of 1 microarcsecond for individual systematic","authors_text":"Sergei A. Klioner, Sven Zschocke","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-07-24T15:45:09Z","title":"Efficient computation of the quadrupole light deflection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.4318","kind":"arxiv","version":3},"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":"sha256:4af9e0fc61a9f9875f48d33ced02b1f0c99ef2d2a9511fb12e90a93546e9e2fe","target":"record","created_at":"2026-05-18T04:41:54Z","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":"a2ca019dcd2800be75428cdd33bd0bbcbcc9458a126bc7c53e571013068fc272","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-07-24T15:45:09Z","title_canon_sha256":"217b9d5f750f2e92f3a4fbcfb608e5bbe9f1c40e4e33574ebc4eb8d210b10dbe"},"schema_version":"1.0","source":{"id":"0907.4318","kind":"arxiv","version":3}},"canonical_sha256":"dd4fd5d8769918c846cfb95bc0d26171dac9507a04c27075c11cb32233548c3f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd4fd5d8769918c846cfb95bc0d26171dac9507a04c27075c11cb32233548c3f","first_computed_at":"2026-05-18T04:41:54.867218Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:41:54.867218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JGCQWR3LVq5ODVPMmiUGExiG3g2cISugocaNDRFa/MMagyCqY+AEgLYd3Tc7xTXA7c0kPbf+ufNv5V1u4vaiBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:41:54.867767Z","signed_message":"canonical_sha256_bytes"},"source_id":"0907.4318","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4af9e0fc61a9f9875f48d33ced02b1f0c99ef2d2a9511fb12e90a93546e9e2fe","sha256:bbb8b1b4b177621e4c78f2efa3910ff06b6ac7a6b0a4e4ffaed778044cefa3e1"],"state_sha256":"3578f58e44894a74c75c9df575b402b8162f3c7663793378e3d4f0e397ecc162"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OgrIfq4OVjPuR2ni56IPzt0UZPIk3E+dTwhjLdAXOmIItWahYO0XdsAwc/NTPYzmKm79ENI6ElH6pKm961CTCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T18:27:58.506179Z","bundle_sha256":"d1930d231fdf6a85c1c7832124d22e23e95344b0c695a3d25039340dc7a9bfb5"}}