{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:J4JMVH5BNK46E2SMCRAUULLNRP","short_pith_number":"pith:J4JMVH5B","canonical_record":{"source":{"id":"2212.06113","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-12-12T18:38:41Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"cbccd9ea0d018cd00bbdd89cab8a5c1dec96798988a771faac354a25be22a498","abstract_canon_sha256":"f5b8f42d0b0e2b70fc65361ca792406c76d28727855753e34a89276b4c0f0508"},"schema_version":"1.0"},"canonical_sha256":"4f12ca9fa16ab9e26a4c14414a2d6d8bef7c3c7157ec4e07c0346a0065e6776c","source":{"kind":"arxiv","id":"2212.06113","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.06113","created_at":"2026-07-05T06:35:46Z"},{"alias_kind":"arxiv_version","alias_value":"2212.06113v1","created_at":"2026-07-05T06:35:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.06113","created_at":"2026-07-05T06:35:46Z"},{"alias_kind":"pith_short_12","alias_value":"J4JMVH5BNK46","created_at":"2026-07-05T06:35:46Z"},{"alias_kind":"pith_short_16","alias_value":"J4JMVH5BNK46E2SM","created_at":"2026-07-05T06:35:46Z"},{"alias_kind":"pith_short_8","alias_value":"J4JMVH5B","created_at":"2026-07-05T06:35:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:J4JMVH5BNK46E2SMCRAUULLNRP","target":"record","payload":{"canonical_record":{"source":{"id":"2212.06113","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-12-12T18:38:41Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"cbccd9ea0d018cd00bbdd89cab8a5c1dec96798988a771faac354a25be22a498","abstract_canon_sha256":"f5b8f42d0b0e2b70fc65361ca792406c76d28727855753e34a89276b4c0f0508"},"schema_version":"1.0"},"canonical_sha256":"4f12ca9fa16ab9e26a4c14414a2d6d8bef7c3c7157ec4e07c0346a0065e6776c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:35:46.900009Z","signature_b64":"sVJxiiOVqFYdEXB+nJg2CjWh1ZYQ51JED1yOajuJDc2wKnIEM15pCxbP3xupgU0fSiov4cqkSjaOWNNCYZCQBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f12ca9fa16ab9e26a4c14414a2d6d8bef7c3c7157ec4e07c0346a0065e6776c","last_reissued_at":"2026-07-05T06:35:46.899608Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:35:46.899608Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.06113","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":"2026-07-05T06:35:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a63hOnsidDd92PQYolC+zeKstApbbx7A5HWTKlOYtbonc4pOU3o1D9t9ca0w/5o5xKRPFwK1wGjIYGKFHCInCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T07:47:06.746318Z"},"content_sha256":"6c8eb0389c1f93070f0427fb8107987cbdb7bb353529d1b3ee5780de66fae393","schema_version":"1.0","event_id":"sha256:6c8eb0389c1f93070f0427fb8107987cbdb7bb353529d1b3ee5780de66fae393"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:J4JMVH5BNK46E2SMCRAUULLNRP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Model selection using time-delay lenses","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Fulvio Melia, Jun-Jie Wei, Xue-Feng Wu","submitted_at":"2022-12-12T18:38:41Z","abstract_excerpt":"The sample of time-delay gravitational lenses appropriate for studying the geometry of the Universe continues to grow as dedicated campaigns, such as the Dark Energy Survey, the VST ATLAS survey, and the Large Synoptic Survey Telescope, complete their census of high-redshift sources. This catalog now includes hundreds of strong lensing systems, at least 31 of which have reasonably accurate time delay measurements. In this paper, we use them to compare the predictions of two competing Friedmann-Lemaitre-Robertson-Walker models: flat LCDM, characterized by two adjustable parameters (H_0 and Omeg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.06113","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/2212.06113/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":"2026-07-05T06:35:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"awM5f08/3ilQwrfsq2v4Fsnd0904Omxqvh85kVurgAWWINNgnk4ALa8/EWfPjESRB0aaMVIU958LjywnFF3SCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T07:47:06.746848Z"},"content_sha256":"92733300fc8815c2178ed73f748a28baf76b5bf055d34d206466f91fd11e5f7a","schema_version":"1.0","event_id":"sha256:92733300fc8815c2178ed73f748a28baf76b5bf055d34d206466f91fd11e5f7a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J4JMVH5BNK46E2SMCRAUULLNRP/bundle.json","state_url":"https://pith.science/pith/J4JMVH5BNK46E2SMCRAUULLNRP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J4JMVH5BNK46E2SMCRAUULLNRP/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":"2026-08-04T07:47:06Z","links":{"resolver":"https://pith.science/pith/J4JMVH5BNK46E2SMCRAUULLNRP","bundle":"https://pith.science/pith/J4JMVH5BNK46E2SMCRAUULLNRP/bundle.json","state":"https://pith.science/pith/J4JMVH5BNK46E2SMCRAUULLNRP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J4JMVH5BNK46E2SMCRAUULLNRP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:J4JMVH5BNK46E2SMCRAUULLNRP","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":"f5b8f42d0b0e2b70fc65361ca792406c76d28727855753e34a89276b4c0f0508","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-12-12T18:38:41Z","title_canon_sha256":"cbccd9ea0d018cd00bbdd89cab8a5c1dec96798988a771faac354a25be22a498"},"schema_version":"1.0","source":{"id":"2212.06113","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.06113","created_at":"2026-07-05T06:35:46Z"},{"alias_kind":"arxiv_version","alias_value":"2212.06113v1","created_at":"2026-07-05T06:35:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.06113","created_at":"2026-07-05T06:35:46Z"},{"alias_kind":"pith_short_12","alias_value":"J4JMVH5BNK46","created_at":"2026-07-05T06:35:46Z"},{"alias_kind":"pith_short_16","alias_value":"J4JMVH5BNK46E2SM","created_at":"2026-07-05T06:35:46Z"},{"alias_kind":"pith_short_8","alias_value":"J4JMVH5B","created_at":"2026-07-05T06:35:46Z"}],"graph_snapshots":[{"event_id":"sha256:92733300fc8815c2178ed73f748a28baf76b5bf055d34d206466f91fd11e5f7a","target":"graph","created_at":"2026-07-05T06:35:46Z","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/2212.06113/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The sample of time-delay gravitational lenses appropriate for studying the geometry of the Universe continues to grow as dedicated campaigns, such as the Dark Energy Survey, the VST ATLAS survey, and the Large Synoptic Survey Telescope, complete their census of high-redshift sources. This catalog now includes hundreds of strong lensing systems, at least 31 of which have reasonably accurate time delay measurements. In this paper, we use them to compare the predictions of two competing Friedmann-Lemaitre-Robertson-Walker models: flat LCDM, characterized by two adjustable parameters (H_0 and Omeg","authors_text":"Fulvio Melia, Jun-Jie Wei, Xue-Feng Wu","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-12-12T18:38:41Z","title":"Model selection using time-delay lenses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.06113","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":"sha256:6c8eb0389c1f93070f0427fb8107987cbdb7bb353529d1b3ee5780de66fae393","target":"record","created_at":"2026-07-05T06:35:46Z","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":"f5b8f42d0b0e2b70fc65361ca792406c76d28727855753e34a89276b4c0f0508","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-12-12T18:38:41Z","title_canon_sha256":"cbccd9ea0d018cd00bbdd89cab8a5c1dec96798988a771faac354a25be22a498"},"schema_version":"1.0","source":{"id":"2212.06113","kind":"arxiv","version":1}},"canonical_sha256":"4f12ca9fa16ab9e26a4c14414a2d6d8bef7c3c7157ec4e07c0346a0065e6776c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f12ca9fa16ab9e26a4c14414a2d6d8bef7c3c7157ec4e07c0346a0065e6776c","first_computed_at":"2026-07-05T06:35:46.899608Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:35:46.899608Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sVJxiiOVqFYdEXB+nJg2CjWh1ZYQ51JED1yOajuJDc2wKnIEM15pCxbP3xupgU0fSiov4cqkSjaOWNNCYZCQBA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:35:46.900009Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.06113","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c8eb0389c1f93070f0427fb8107987cbdb7bb353529d1b3ee5780de66fae393","sha256:92733300fc8815c2178ed73f748a28baf76b5bf055d34d206466f91fd11e5f7a"],"state_sha256":"20935f8f574b5e5ee3fcf41caa374ab011daa0d938215701cae615eb761acaf9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nu5yPdRCTrOEVOB0sf7u7oyJF7MWvgw4+OY6IU6ZM1BPVWkKQ5Ds7ygg5xzBvIh06odqykI9O4VNIMUnwQfoCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T07:47:06.768216Z","bundle_sha256":"9c2f78de1eb6a9163a77ad067e11d9239299ee616424f564b13def012a8f4060"}}