{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:CD44OCJR2NCOBBHLQVAJYYWCHT","short_pith_number":"pith:CD44OCJR","canonical_record":{"source":{"id":"2211.02751","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-11-04T21:00:01Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"387ab5ffc9abaa37f943d0b12bc8acf282a4d99d12d75231174d1861cf145f58","abstract_canon_sha256":"c4905e14943309af7e4fb97c864b1062ed0f4b8074a04ef7283b36d405375f19"},"schema_version":"1.0"},"canonical_sha256":"10f9c70931d344e084eb85409c62c23cf3109d5b0f8ebe8169573f10f3b585cd","source":{"kind":"arxiv","id":"2211.02751","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.02751","created_at":"2026-07-05T05:20:54Z"},{"alias_kind":"arxiv_version","alias_value":"2211.02751v1","created_at":"2026-07-05T05:20:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.02751","created_at":"2026-07-05T05:20:54Z"},{"alias_kind":"pith_short_12","alias_value":"CD44OCJR2NCO","created_at":"2026-07-05T05:20:54Z"},{"alias_kind":"pith_short_16","alias_value":"CD44OCJR2NCOBBHL","created_at":"2026-07-05T05:20:54Z"},{"alias_kind":"pith_short_8","alias_value":"CD44OCJR","created_at":"2026-07-05T05:20:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:CD44OCJR2NCOBBHLQVAJYYWCHT","target":"record","payload":{"canonical_record":{"source":{"id":"2211.02751","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-11-04T21:00:01Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"387ab5ffc9abaa37f943d0b12bc8acf282a4d99d12d75231174d1861cf145f58","abstract_canon_sha256":"c4905e14943309af7e4fb97c864b1062ed0f4b8074a04ef7283b36d405375f19"},"schema_version":"1.0"},"canonical_sha256":"10f9c70931d344e084eb85409c62c23cf3109d5b0f8ebe8169573f10f3b585cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:20:54.957392Z","signature_b64":"PcgDPNd5heNuZV16i0LGWTOjInmS3uMP/Fq8Umc0I72dGKm1dY1TIUazl/5akLeKRy4cuuMK9N3kn9drrX6vAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"10f9c70931d344e084eb85409c62c23cf3109d5b0f8ebe8169573f10f3b585cd","last_reissued_at":"2026-07-05T05:20:54.956992Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:20:54.956992Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2211.02751","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":"2026-07-05T05:20:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oCWSO3VcEI2ZZpUddu9hsJt1tYNXuusChy0UzyBkZmFa8hVMbkQMK8IcEwie2BnW7NlzXkYNJ/IYHAXoe/0wBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T23:22:03.277826Z"},"content_sha256":"c05cffd90b71436adcacbc9517b11b9714c26afbbdce1cb23313341cce4adf9b","schema_version":"1.0","event_id":"sha256:c05cffd90b71436adcacbc9517b11b9714c26afbbdce1cb23313341cce4adf9b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:CD44OCJR2NCOBBHLQVAJYYWCHT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Redshift drift cosmography with ELT and SKAO measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"B. A. R. Rocha, C. J. A. P. Martins","submitted_at":"2022-11-04T21:00:01Z","abstract_excerpt":"Mapping the expansion history of the universe is a compelling task of physical cosmology, especially in the context of the observational evidence for the recent acceleration of the universe, which demonstrates that canonical theories of cosmology and particle physics are incomplete and that there is new physics still to be discovered. Cosmography is a phenomenological approach to cosmology, where (with some caveats) physical quantities are expanded as a Taylor series in the cosmological redshift $z$, or analogous parameters such as the rescaled redshift $y=z/(1+z)$ or the logarithmic redshift "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.02751","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/2211.02751/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":"2026-07-05T05:20:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HNkFWHS6uwZylhiCqtHTyGHEsjHd4TpQe4gaI5lScG+UPZHlKqQsjq1ukQLnd9wC6OEyrsTMzkmJ/Bl/RE92DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T23:22:03.278529Z"},"content_sha256":"91e5e713c0a63130a04b417ec357bd06cab8c41aae92fd19c60df6f5f6c98f93","schema_version":"1.0","event_id":"sha256:91e5e713c0a63130a04b417ec357bd06cab8c41aae92fd19c60df6f5f6c98f93"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CD44OCJR2NCOBBHLQVAJYYWCHT/bundle.json","state_url":"https://pith.science/pith/CD44OCJR2NCOBBHLQVAJYYWCHT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CD44OCJR2NCOBBHLQVAJYYWCHT/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":"2026-08-03T23:22:03Z","links":{"resolver":"https://pith.science/pith/CD44OCJR2NCOBBHLQVAJYYWCHT","bundle":"https://pith.science/pith/CD44OCJR2NCOBBHLQVAJYYWCHT/bundle.json","state":"https://pith.science/pith/CD44OCJR2NCOBBHLQVAJYYWCHT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CD44OCJR2NCOBBHLQVAJYYWCHT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:CD44OCJR2NCOBBHLQVAJYYWCHT","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":"c4905e14943309af7e4fb97c864b1062ed0f4b8074a04ef7283b36d405375f19","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-11-04T21:00:01Z","title_canon_sha256":"387ab5ffc9abaa37f943d0b12bc8acf282a4d99d12d75231174d1861cf145f58"},"schema_version":"1.0","source":{"id":"2211.02751","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.02751","created_at":"2026-07-05T05:20:54Z"},{"alias_kind":"arxiv_version","alias_value":"2211.02751v1","created_at":"2026-07-05T05:20:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.02751","created_at":"2026-07-05T05:20:54Z"},{"alias_kind":"pith_short_12","alias_value":"CD44OCJR2NCO","created_at":"2026-07-05T05:20:54Z"},{"alias_kind":"pith_short_16","alias_value":"CD44OCJR2NCOBBHL","created_at":"2026-07-05T05:20:54Z"},{"alias_kind":"pith_short_8","alias_value":"CD44OCJR","created_at":"2026-07-05T05:20:54Z"}],"graph_snapshots":[{"event_id":"sha256:91e5e713c0a63130a04b417ec357bd06cab8c41aae92fd19c60df6f5f6c98f93","target":"graph","created_at":"2026-07-05T05:20:54Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2211.02751/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Mapping the expansion history of the universe is a compelling task of physical cosmology, especially in the context of the observational evidence for the recent acceleration of the universe, which demonstrates that canonical theories of cosmology and particle physics are incomplete and that there is new physics still to be discovered. Cosmography is a phenomenological approach to cosmology, where (with some caveats) physical quantities are expanded as a Taylor series in the cosmological redshift $z$, or analogous parameters such as the rescaled redshift $y=z/(1+z)$ or the logarithmic redshift ","authors_text":"B. A. R. Rocha, C. J. A. P. Martins","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-11-04T21:00:01Z","title":"Redshift drift cosmography with ELT and SKAO measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.02751","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:c05cffd90b71436adcacbc9517b11b9714c26afbbdce1cb23313341cce4adf9b","target":"record","created_at":"2026-07-05T05:20:54Z","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":"c4905e14943309af7e4fb97c864b1062ed0f4b8074a04ef7283b36d405375f19","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-11-04T21:00:01Z","title_canon_sha256":"387ab5ffc9abaa37f943d0b12bc8acf282a4d99d12d75231174d1861cf145f58"},"schema_version":"1.0","source":{"id":"2211.02751","kind":"arxiv","version":1}},"canonical_sha256":"10f9c70931d344e084eb85409c62c23cf3109d5b0f8ebe8169573f10f3b585cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"10f9c70931d344e084eb85409c62c23cf3109d5b0f8ebe8169573f10f3b585cd","first_computed_at":"2026-07-05T05:20:54.956992Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:20:54.956992Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PcgDPNd5heNuZV16i0LGWTOjInmS3uMP/Fq8Umc0I72dGKm1dY1TIUazl/5akLeKRy4cuuMK9N3kn9drrX6vAg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:20:54.957392Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.02751","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c05cffd90b71436adcacbc9517b11b9714c26afbbdce1cb23313341cce4adf9b","sha256:91e5e713c0a63130a04b417ec357bd06cab8c41aae92fd19c60df6f5f6c98f93"],"state_sha256":"7e25dc47715f974d6a202eab7ec2515533a6ab020bf12625426ab02b69bdab0c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yjle41yI6HtlCbyUVtbBUk08xDdhJHtHJ+B8MjZXgoekGZj9lXakl3N1mfk18D0I/7XvojQGicePGqHD9zfECQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T23:22:03.284234Z","bundle_sha256":"973aeb78782856f999269d9c792ba5fd0e9b4c3264d5dc902a3a0c827c758323"}}