{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:VA4PLN25VMJT3QXDZ5RFXKEBRJ","short_pith_number":"pith:VA4PLN25","canonical_record":{"source":{"id":"2303.01198","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-03-02T12:28:09Z","cross_cats_sorted":[],"title_canon_sha256":"0fde36a2c835540c5e872946cec925c8bac6a28db297962ed26fe077f58e52df","abstract_canon_sha256":"99315a82d7cf18d5d417ff24a5090b17c5277d569c2ec28396e18145edb919bb"},"schema_version":"1.0"},"canonical_sha256":"a838f5b75dab133dc2e3cf625ba8818a7e50c0578b17da7ff61082efd14c46d6","source":{"kind":"arxiv","id":"2303.01198","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.01198","created_at":"2026-07-05T06:23:46Z"},{"alias_kind":"arxiv_version","alias_value":"2303.01198v2","created_at":"2026-07-05T06:23:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.01198","created_at":"2026-07-05T06:23:46Z"},{"alias_kind":"pith_short_12","alias_value":"VA4PLN25VMJT","created_at":"2026-07-05T06:23:46Z"},{"alias_kind":"pith_short_16","alias_value":"VA4PLN25VMJT3QXD","created_at":"2026-07-05T06:23:46Z"},{"alias_kind":"pith_short_8","alias_value":"VA4PLN25","created_at":"2026-07-05T06:23:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:VA4PLN25VMJT3QXDZ5RFXKEBRJ","target":"record","payload":{"canonical_record":{"source":{"id":"2303.01198","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-03-02T12:28:09Z","cross_cats_sorted":[],"title_canon_sha256":"0fde36a2c835540c5e872946cec925c8bac6a28db297962ed26fe077f58e52df","abstract_canon_sha256":"99315a82d7cf18d5d417ff24a5090b17c5277d569c2ec28396e18145edb919bb"},"schema_version":"1.0"},"canonical_sha256":"a838f5b75dab133dc2e3cf625ba8818a7e50c0578b17da7ff61082efd14c46d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:23:46.133645Z","signature_b64":"8FiAwJKLjmN0j5aWodGwM/12N1n7GZwi3Qck7VemRqOanBLPrO0biprvkNWb7z6vIsR6FDT3kyXVg4uSCIhOAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a838f5b75dab133dc2e3cf625ba8818a7e50c0578b17da7ff61082efd14c46d6","last_reissued_at":"2026-07-05T06:23:46.133083Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:23:46.133083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.01198","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:23:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xkgbhHpAUpTtxlozMUB5N/UQSSA3Tg95gCv/fNrc1ByN5rxSi2LhV13o5LatMU7rbhwY8hB77HfAuiU0V25jCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T01:07:03.078964Z"},"content_sha256":"cd131e2322a30badbfda78685cb7f1b750204dce0e87ba96185058cd33effbd8","schema_version":"1.0","event_id":"sha256:cd131e2322a30badbfda78685cb7f1b750204dce0e87ba96185058cd33effbd8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:VA4PLN25VMJT3QXDZ5RFXKEBRJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Growth-rate measurement with type-Ia supernovae using ZTF survey simulations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Ariel Goobar, Bastien Carreres, Benjamin Racine, Dominique Fouchez, Eric Nuss, Estelle Robert, Fabrice Feinstein, Frank J. Masci, Josiah Purdum, Julian E. Bautista, Kelian Sommer, Leander Lacroix, Madeleine Ginolin, Marie Aubert, Mathew Smith, Mellissa Amenouche, Mickael Rigault, Nicolas Regnault, Niharika Sravan, Philippe Gris, Philippe Rosnet, Richard Dekany, Steven L. Groom, Suhail Dhawan","submitted_at":"2023-03-02T12:28:09Z","abstract_excerpt":"Measurements of the growth rate of structures at $z < 0.1$ with peculiar velocity surveys have the potential of testing the validity of general relativity on cosmic scales. In this work, we present growth-rate measurements from realistic simulated sets of type-Ia supernovae (SNe Ia) from the Zwicky Transient Facility (ZTF). We describe our simulation methodology, the light-curve fitting and peculiar velocity estimation. Using the maximum likelihood method, we derive constraints on $f\\sigma_8$ using only ZTF SN Ia peculiar velocities. We carefully tested the method and we quantified biases due "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.01198","kind":"arxiv","version":2},"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/2303.01198/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":"2026-07-05T06:23:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wFTfXDIGU4XilJr8x5bu45MI3whtkzygdn/G1bs3q63iHmf+KmD4DNaIE1710azJi/6cSjm9GIRCGLt2b0uWCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T01:07:03.081887Z"},"content_sha256":"ccb60874097d97ef3c3617305662af953e4e23d0477c4f98541c76ebd5935fcc","schema_version":"1.0","event_id":"sha256:ccb60874097d97ef3c3617305662af953e4e23d0477c4f98541c76ebd5935fcc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VA4PLN25VMJT3QXDZ5RFXKEBRJ/bundle.json","state_url":"https://pith.science/pith/VA4PLN25VMJT3QXDZ5RFXKEBRJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VA4PLN25VMJT3QXDZ5RFXKEBRJ/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":"2026-08-04T01:07:03Z","links":{"resolver":"https://pith.science/pith/VA4PLN25VMJT3QXDZ5RFXKEBRJ","bundle":"https://pith.science/pith/VA4PLN25VMJT3QXDZ5RFXKEBRJ/bundle.json","state":"https://pith.science/pith/VA4PLN25VMJT3QXDZ5RFXKEBRJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VA4PLN25VMJT3QXDZ5RFXKEBRJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:VA4PLN25VMJT3QXDZ5RFXKEBRJ","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":"99315a82d7cf18d5d417ff24a5090b17c5277d569c2ec28396e18145edb919bb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-03-02T12:28:09Z","title_canon_sha256":"0fde36a2c835540c5e872946cec925c8bac6a28db297962ed26fe077f58e52df"},"schema_version":"1.0","source":{"id":"2303.01198","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.01198","created_at":"2026-07-05T06:23:46Z"},{"alias_kind":"arxiv_version","alias_value":"2303.01198v2","created_at":"2026-07-05T06:23:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.01198","created_at":"2026-07-05T06:23:46Z"},{"alias_kind":"pith_short_12","alias_value":"VA4PLN25VMJT","created_at":"2026-07-05T06:23:46Z"},{"alias_kind":"pith_short_16","alias_value":"VA4PLN25VMJT3QXD","created_at":"2026-07-05T06:23:46Z"},{"alias_kind":"pith_short_8","alias_value":"VA4PLN25","created_at":"2026-07-05T06:23:46Z"}],"graph_snapshots":[{"event_id":"sha256:ccb60874097d97ef3c3617305662af953e4e23d0477c4f98541c76ebd5935fcc","target":"graph","created_at":"2026-07-05T06:23:46Z","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/2303.01198/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Measurements of the growth rate of structures at $z < 0.1$ with peculiar velocity surveys have the potential of testing the validity of general relativity on cosmic scales. In this work, we present growth-rate measurements from realistic simulated sets of type-Ia supernovae (SNe Ia) from the Zwicky Transient Facility (ZTF). We describe our simulation methodology, the light-curve fitting and peculiar velocity estimation. Using the maximum likelihood method, we derive constraints on $f\\sigma_8$ using only ZTF SN Ia peculiar velocities. We carefully tested the method and we quantified biases due ","authors_text":"Ariel Goobar, Bastien Carreres, Benjamin Racine, Dominique Fouchez, Eric Nuss, Estelle Robert, Fabrice Feinstein, Frank J. Masci, Josiah Purdum, Julian E. Bautista, Kelian Sommer, Leander Lacroix, Madeleine Ginolin, Marie Aubert, Mathew Smith, Mellissa Amenouche, Mickael Rigault, Nicolas Regnault, Niharika Sravan, Philippe Gris, Philippe Rosnet, Richard Dekany, Steven L. Groom, Suhail Dhawan","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-03-02T12:28:09Z","title":"Growth-rate measurement with type-Ia supernovae using ZTF survey simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.01198","kind":"arxiv","version":2},"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:cd131e2322a30badbfda78685cb7f1b750204dce0e87ba96185058cd33effbd8","target":"record","created_at":"2026-07-05T06:23:46Z","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":"99315a82d7cf18d5d417ff24a5090b17c5277d569c2ec28396e18145edb919bb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-03-02T12:28:09Z","title_canon_sha256":"0fde36a2c835540c5e872946cec925c8bac6a28db297962ed26fe077f58e52df"},"schema_version":"1.0","source":{"id":"2303.01198","kind":"arxiv","version":2}},"canonical_sha256":"a838f5b75dab133dc2e3cf625ba8818a7e50c0578b17da7ff61082efd14c46d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a838f5b75dab133dc2e3cf625ba8818a7e50c0578b17da7ff61082efd14c46d6","first_computed_at":"2026-07-05T06:23:46.133083Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:23:46.133083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8FiAwJKLjmN0j5aWodGwM/12N1n7GZwi3Qck7VemRqOanBLPrO0biprvkNWb7z6vIsR6FDT3kyXVg4uSCIhOAA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:23:46.133645Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.01198","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd131e2322a30badbfda78685cb7f1b750204dce0e87ba96185058cd33effbd8","sha256:ccb60874097d97ef3c3617305662af953e4e23d0477c4f98541c76ebd5935fcc"],"state_sha256":"5454cad09792e0453cd542ea5de3a030a9e739a956f372fda39bfc6c84e5e80f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rNX3PlavSCKUIb9XVjmS5YGfRWkxd9btjC+X1VssmMeT6qHAPuyz59jDNTK7wy/Dv/fAvsk2e8bKN6V5PbC7AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T01:07:03.090992Z","bundle_sha256":"a8f4f3978426b03c3a6ad7b81e549aa105b5bfeeec55b6b6be49404637685ab9"}}