{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:BX3R52OT6XDMG5XUHUW5VC7GRE","short_pith_number":"pith:BX3R52OT","canonical_record":{"source":{"id":"2005.02062","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-05-05T11:01:33Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"21bd489a9617bab72311da7b77380528dc3cd8dfc4896670b3711d69722fc277","abstract_canon_sha256":"3539e7a6a267917420c985b834d4d1d5517961879c7b229b3d4a8d8daa21f3e2"},"schema_version":"1.0"},"canonical_sha256":"0df71ee9d3f5c6c376f43d2dda8be689308199a86e813af79c7d4b51e7e62ff4","source":{"kind":"arxiv","id":"2005.02062","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.02062","created_at":"2026-07-05T01:21:00Z"},{"alias_kind":"arxiv_version","alias_value":"2005.02062v2","created_at":"2026-07-05T01:21:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.02062","created_at":"2026-07-05T01:21:00Z"},{"alias_kind":"pith_short_12","alias_value":"BX3R52OT6XDM","created_at":"2026-07-05T01:21:00Z"},{"alias_kind":"pith_short_16","alias_value":"BX3R52OT6XDMG5XU","created_at":"2026-07-05T01:21:00Z"},{"alias_kind":"pith_short_8","alias_value":"BX3R52OT","created_at":"2026-07-05T01:21:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:BX3R52OT6XDMG5XUHUW5VC7GRE","target":"record","payload":{"canonical_record":{"source":{"id":"2005.02062","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-05-05T11:01:33Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"21bd489a9617bab72311da7b77380528dc3cd8dfc4896670b3711d69722fc277","abstract_canon_sha256":"3539e7a6a267917420c985b834d4d1d5517961879c7b229b3d4a8d8daa21f3e2"},"schema_version":"1.0"},"canonical_sha256":"0df71ee9d3f5c6c376f43d2dda8be689308199a86e813af79c7d4b51e7e62ff4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:21:00.192452Z","signature_b64":"nDZKRADuZg5V1yhdQIJi21xqm/xB9i8vGixhueMVrhiN0IFY7K113NyMvKVbjQbxP0EOj6gP5vc5C5aIWt9BDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0df71ee9d3f5c6c376f43d2dda8be689308199a86e813af79c7d4b51e7e62ff4","last_reissued_at":"2026-07-05T01:21:00.191904Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:21:00.191904Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2005.02062","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":"2026-07-05T01:21:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KQkFEmmQk5n1MzTZXqaurdeJZvXMN7xDWaSdFSKKtYRc9vrHEijsjlmaQINNKjQcUuYjr07qYc/kMzc7N1ypCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-26T16:01:18.177192Z"},"content_sha256":"4ac5af7e612883ed1eead03a79e2e1052276839af01a2e10a3d4b2a5807edbb4","schema_version":"1.0","event_id":"sha256:4ac5af7e612883ed1eead03a79e2e1052276839af01a2e10a3d4b2a5807edbb4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:BX3R52OT6XDMG5XUHUW5VC7GRE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Soundness of Dark Energy properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Eleonora Di Valentino, Olga Mena, Stefano Gariazzo, Sunny Vagnozzi","submitted_at":"2020-05-05T11:01:33Z","abstract_excerpt":"Type Ia Supernovae (SNeIa) used as standardizable candles have been instrumental in the discovery of cosmic acceleration, usually attributed to some form of dark energy (DE). Recent studies have raised the issue of whether intrinsic SNeIa luminosities might evolve with redshift. While the evidence for cosmic acceleration is robust to this possible systematic, the question remains of how much the latter can affect the inferred properties of the DE component responsible for cosmic acceleration. This is the question we address in this work. We use SNeIa distance moduli measurements from the Panth"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.02062","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/2005.02062/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":"2026-07-05T01:21:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G635MH9TDOtxEZQuPghs3blrlGZTF+3C+HFHZKZnPyq+fQNjH1Bn/Fn9ft9/d53lzsDVHPWFJXUIQWceYxoMCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-26T16:01:18.177586Z"},"content_sha256":"1a699a07b0e75eff2993e8bdccf5639e996ebfe721d8c57ebf973f19ce8674fe","schema_version":"1.0","event_id":"sha256:1a699a07b0e75eff2993e8bdccf5639e996ebfe721d8c57ebf973f19ce8674fe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BX3R52OT6XDMG5XUHUW5VC7GRE/bundle.json","state_url":"https://pith.science/pith/BX3R52OT6XDMG5XUHUW5VC7GRE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BX3R52OT6XDMG5XUHUW5VC7GRE/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":"2026-07-26T16:01:18Z","links":{"resolver":"https://pith.science/pith/BX3R52OT6XDMG5XUHUW5VC7GRE","bundle":"https://pith.science/pith/BX3R52OT6XDMG5XUHUW5VC7GRE/bundle.json","state":"https://pith.science/pith/BX3R52OT6XDMG5XUHUW5VC7GRE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BX3R52OT6XDMG5XUHUW5VC7GRE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:BX3R52OT6XDMG5XUHUW5VC7GRE","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":"3539e7a6a267917420c985b834d4d1d5517961879c7b229b3d4a8d8daa21f3e2","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-05-05T11:01:33Z","title_canon_sha256":"21bd489a9617bab72311da7b77380528dc3cd8dfc4896670b3711d69722fc277"},"schema_version":"1.0","source":{"id":"2005.02062","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.02062","created_at":"2026-07-05T01:21:00Z"},{"alias_kind":"arxiv_version","alias_value":"2005.02062v2","created_at":"2026-07-05T01:21:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.02062","created_at":"2026-07-05T01:21:00Z"},{"alias_kind":"pith_short_12","alias_value":"BX3R52OT6XDM","created_at":"2026-07-05T01:21:00Z"},{"alias_kind":"pith_short_16","alias_value":"BX3R52OT6XDMG5XU","created_at":"2026-07-05T01:21:00Z"},{"alias_kind":"pith_short_8","alias_value":"BX3R52OT","created_at":"2026-07-05T01:21:00Z"}],"graph_snapshots":[{"event_id":"sha256:1a699a07b0e75eff2993e8bdccf5639e996ebfe721d8c57ebf973f19ce8674fe","target":"graph","created_at":"2026-07-05T01:21:00Z","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/2005.02062/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Type Ia Supernovae (SNeIa) used as standardizable candles have been instrumental in the discovery of cosmic acceleration, usually attributed to some form of dark energy (DE). Recent studies have raised the issue of whether intrinsic SNeIa luminosities might evolve with redshift. While the evidence for cosmic acceleration is robust to this possible systematic, the question remains of how much the latter can affect the inferred properties of the DE component responsible for cosmic acceleration. This is the question we address in this work. We use SNeIa distance moduli measurements from the Panth","authors_text":"Eleonora Di Valentino, Olga Mena, Stefano Gariazzo, Sunny Vagnozzi","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-05-05T11:01:33Z","title":"Soundness of Dark Energy properties"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.02062","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":"sha256:4ac5af7e612883ed1eead03a79e2e1052276839af01a2e10a3d4b2a5807edbb4","target":"record","created_at":"2026-07-05T01:21:00Z","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":"3539e7a6a267917420c985b834d4d1d5517961879c7b229b3d4a8d8daa21f3e2","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-05-05T11:01:33Z","title_canon_sha256":"21bd489a9617bab72311da7b77380528dc3cd8dfc4896670b3711d69722fc277"},"schema_version":"1.0","source":{"id":"2005.02062","kind":"arxiv","version":2}},"canonical_sha256":"0df71ee9d3f5c6c376f43d2dda8be689308199a86e813af79c7d4b51e7e62ff4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0df71ee9d3f5c6c376f43d2dda8be689308199a86e813af79c7d4b51e7e62ff4","first_computed_at":"2026-07-05T01:21:00.191904Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:21:00.191904Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nDZKRADuZg5V1yhdQIJi21xqm/xB9i8vGixhueMVrhiN0IFY7K113NyMvKVbjQbxP0EOj6gP5vc5C5aIWt9BDg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:21:00.192452Z","signed_message":"canonical_sha256_bytes"},"source_id":"2005.02062","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ac5af7e612883ed1eead03a79e2e1052276839af01a2e10a3d4b2a5807edbb4","sha256:1a699a07b0e75eff2993e8bdccf5639e996ebfe721d8c57ebf973f19ce8674fe"],"state_sha256":"c609fa50ed5e1084d8912a163e0d70033b678c2e79f36d0c1bc7a360e522bfa2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4oVzPDCaCEqbijq4AcbNHJdvsIbxj8noL6SMPlFefP5qXExgqdQqd0MB4lFstN2XUICeKlfcYQsutTxOeepsCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-26T16:01:18.180550Z","bundle_sha256":"aec5cda4c4bcdd405baaf97eed319a988f50715ef34f86d94207a9f7ca63e998"}}