{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:NKVPX7DBPP4FBOUHPT6ZHZAVPN","short_pith_number":"pith:NKVPX7DB","canonical_record":{"source":{"id":"2503.06189","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-03-08T12:19:42Z","cross_cats_sorted":[],"title_canon_sha256":"ad21f56767e0beb5d0df13cf97d5e37f347cd01e11449359ef944a49e6d91487","abstract_canon_sha256":"0ad47ded8575ddbd2df1d19cb33f4607f2757711c7884a08652594af2cc829ad"},"schema_version":"1.0"},"canonical_sha256":"6aaafbfc617bf850ba877cfd93e4157b56a30aeec8c4ba35c43a34791222c24b","source":{"kind":"arxiv","id":"2503.06189","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.06189","created_at":"2026-07-05T10:29:36Z"},{"alias_kind":"arxiv_version","alias_value":"2503.06189v2","created_at":"2026-07-05T10:29:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.06189","created_at":"2026-07-05T10:29:36Z"},{"alias_kind":"pith_short_12","alias_value":"NKVPX7DBPP4F","created_at":"2026-07-05T10:29:36Z"},{"alias_kind":"pith_short_16","alias_value":"NKVPX7DBPP4FBOUH","created_at":"2026-07-05T10:29:36Z"},{"alias_kind":"pith_short_8","alias_value":"NKVPX7DB","created_at":"2026-07-05T10:29:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:NKVPX7DBPP4FBOUHPT6ZHZAVPN","target":"record","payload":{"canonical_record":{"source":{"id":"2503.06189","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-03-08T12:19:42Z","cross_cats_sorted":[],"title_canon_sha256":"ad21f56767e0beb5d0df13cf97d5e37f347cd01e11449359ef944a49e6d91487","abstract_canon_sha256":"0ad47ded8575ddbd2df1d19cb33f4607f2757711c7884a08652594af2cc829ad"},"schema_version":"1.0"},"canonical_sha256":"6aaafbfc617bf850ba877cfd93e4157b56a30aeec8c4ba35c43a34791222c24b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:29:36.860996Z","signature_b64":"u2U1arSPyNE/h41X7BuS4A3S6qlDGocK0Dcg5WmohoWSupx5Mx8Lvj0TcgMrvSYaZMRMSeQEo5Mq96DSI1OBBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6aaafbfc617bf850ba877cfd93e4157b56a30aeec8c4ba35c43a34791222c24b","last_reissued_at":"2026-07-05T10:29:36.860428Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:29:36.860428Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.06189","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":"2026-07-05T10:29:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rhq8irpTRTcGRPdMtOvzVNQmM9K6lKQDrCnF/cIE3t99u3qCH0upBoxU51n+VIO+dPwbzt3ZKg3zPTTnIi6ZCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T16:11:41.113196Z"},"content_sha256":"7b1b1b99d4b41f0a50b333cbbb5016921d7984577af3a0a54599e91f2fef8e6f","schema_version":"1.0","event_id":"sha256:7b1b1b99d4b41f0a50b333cbbb5016921d7984577af3a0a54599e91f2fef8e6f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:NKVPX7DBPP4FBOUHPT6ZHZAVPN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Hubble Constant Determination Through Quasar Time Delays and Type Ia Supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"L. R. Cola\\c{c}o","submitted_at":"2025-03-08T12:19:42Z","abstract_excerpt":"This paper presents a new model-independent constraint on the Hubble constant ($H_0$) by anchoring relative distances from Type Ia supernovae (SNe Ia) observations to absolute distance measurements from time-delay strong Gravitational Lensing (SGL) systems. The approach only uses the validity of the cosmic distance duality relation (CDDR) to derive constraints on $H_0$. By using Gaussian Process (GP) regression to reconstruct the unanchored luminosity distance from the Pantheon$+$ compilation to match the time-delay angular diameter distance at the redshift of the lenses, one yields a value of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.06189","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/2503.06189/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":"2026-07-05T10:29:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N84tvB2fvZj1+K0Jdb9FkIqDhc6BusnQhsYLLpgJwEFxfP6cijOU5L3toyWu/eWZxN5NABHiSB8PK/iFftytDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T16:11:41.113602Z"},"content_sha256":"d1280846500d5199f2d19f45c668d1e8c909999ef291da3fa9b7b2f7a830b309","schema_version":"1.0","event_id":"sha256:d1280846500d5199f2d19f45c668d1e8c909999ef291da3fa9b7b2f7a830b309"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NKVPX7DBPP4FBOUHPT6ZHZAVPN/bundle.json","state_url":"https://pith.science/pith/NKVPX7DBPP4FBOUHPT6ZHZAVPN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NKVPX7DBPP4FBOUHPT6ZHZAVPN/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":"2026-07-16T16:11:41Z","links":{"resolver":"https://pith.science/pith/NKVPX7DBPP4FBOUHPT6ZHZAVPN","bundle":"https://pith.science/pith/NKVPX7DBPP4FBOUHPT6ZHZAVPN/bundle.json","state":"https://pith.science/pith/NKVPX7DBPP4FBOUHPT6ZHZAVPN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NKVPX7DBPP4FBOUHPT6ZHZAVPN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:NKVPX7DBPP4FBOUHPT6ZHZAVPN","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":"0ad47ded8575ddbd2df1d19cb33f4607f2757711c7884a08652594af2cc829ad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-03-08T12:19:42Z","title_canon_sha256":"ad21f56767e0beb5d0df13cf97d5e37f347cd01e11449359ef944a49e6d91487"},"schema_version":"1.0","source":{"id":"2503.06189","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.06189","created_at":"2026-07-05T10:29:36Z"},{"alias_kind":"arxiv_version","alias_value":"2503.06189v2","created_at":"2026-07-05T10:29:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.06189","created_at":"2026-07-05T10:29:36Z"},{"alias_kind":"pith_short_12","alias_value":"NKVPX7DBPP4F","created_at":"2026-07-05T10:29:36Z"},{"alias_kind":"pith_short_16","alias_value":"NKVPX7DBPP4FBOUH","created_at":"2026-07-05T10:29:36Z"},{"alias_kind":"pith_short_8","alias_value":"NKVPX7DB","created_at":"2026-07-05T10:29:36Z"}],"graph_snapshots":[{"event_id":"sha256:d1280846500d5199f2d19f45c668d1e8c909999ef291da3fa9b7b2f7a830b309","target":"graph","created_at":"2026-07-05T10:29:36Z","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/2503.06189/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper presents a new model-independent constraint on the Hubble constant ($H_0$) by anchoring relative distances from Type Ia supernovae (SNe Ia) observations to absolute distance measurements from time-delay strong Gravitational Lensing (SGL) systems. The approach only uses the validity of the cosmic distance duality relation (CDDR) to derive constraints on $H_0$. By using Gaussian Process (GP) regression to reconstruct the unanchored luminosity distance from the Pantheon$+$ compilation to match the time-delay angular diameter distance at the redshift of the lenses, one yields a value of","authors_text":"L. R. Cola\\c{c}o","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-03-08T12:19:42Z","title":"A Hubble Constant Determination Through Quasar Time Delays and Type Ia Supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.06189","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":"sha256:7b1b1b99d4b41f0a50b333cbbb5016921d7984577af3a0a54599e91f2fef8e6f","target":"record","created_at":"2026-07-05T10:29:36Z","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":"0ad47ded8575ddbd2df1d19cb33f4607f2757711c7884a08652594af2cc829ad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-03-08T12:19:42Z","title_canon_sha256":"ad21f56767e0beb5d0df13cf97d5e37f347cd01e11449359ef944a49e6d91487"},"schema_version":"1.0","source":{"id":"2503.06189","kind":"arxiv","version":2}},"canonical_sha256":"6aaafbfc617bf850ba877cfd93e4157b56a30aeec8c4ba35c43a34791222c24b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6aaafbfc617bf850ba877cfd93e4157b56a30aeec8c4ba35c43a34791222c24b","first_computed_at":"2026-07-05T10:29:36.860428Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:29:36.860428Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u2U1arSPyNE/h41X7BuS4A3S6qlDGocK0Dcg5WmohoWSupx5Mx8Lvj0TcgMrvSYaZMRMSeQEo5Mq96DSI1OBBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:29:36.860996Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.06189","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b1b1b99d4b41f0a50b333cbbb5016921d7984577af3a0a54599e91f2fef8e6f","sha256:d1280846500d5199f2d19f45c668d1e8c909999ef291da3fa9b7b2f7a830b309"],"state_sha256":"729098d4e9d20ac81132cb013b2354fcd15a8edd000c4a6f37b4ef49c31943dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Amvgi67W0h08P6tbnGRA7hnFFgeoTpDj29lh4mTSX46luJ7SoR9lQ1DEqjfDWosA80JKEOzIZUQKf2qG/7neCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-16T16:11:41.116149Z","bundle_sha256":"2016d5398111c47448e833e4c3ccc65a0c92adada5e17c022a4a5d300899e17d"}}