{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:WILKUXOTFZ4L4COCDKKFSSCAMU","short_pith_number":"pith:WILKUXOT","canonical_record":{"source":{"id":"2305.17243","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-05-26T20:17:05Z","cross_cats_sorted":[],"title_canon_sha256":"73f54616c6462edc9d7a4697a25a1564c0f79fc7ed189719767d0a6a3f9f336c","abstract_canon_sha256":"a20095184d1860420fb54b00634fee4c74f646f689b9d6c2e5c72584588c8b1f"},"schema_version":"1.0"},"canonical_sha256":"b216aa5dd32e78be09c21a94594840651cec2abdc82acacb99fdaa4271fb959d","source":{"kind":"arxiv","id":"2305.17243","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.17243","created_at":"2026-07-05T06:14:25Z"},{"alias_kind":"arxiv_version","alias_value":"2305.17243v1","created_at":"2026-07-05T06:14:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.17243","created_at":"2026-07-05T06:14:25Z"},{"alias_kind":"pith_short_12","alias_value":"WILKUXOTFZ4L","created_at":"2026-07-05T06:14:25Z"},{"alias_kind":"pith_short_16","alias_value":"WILKUXOTFZ4L4COC","created_at":"2026-07-05T06:14:25Z"},{"alias_kind":"pith_short_8","alias_value":"WILKUXOT","created_at":"2026-07-05T06:14:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:WILKUXOTFZ4L4COCDKKFSSCAMU","target":"record","payload":{"canonical_record":{"source":{"id":"2305.17243","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-05-26T20:17:05Z","cross_cats_sorted":[],"title_canon_sha256":"73f54616c6462edc9d7a4697a25a1564c0f79fc7ed189719767d0a6a3f9f336c","abstract_canon_sha256":"a20095184d1860420fb54b00634fee4c74f646f689b9d6c2e5c72584588c8b1f"},"schema_version":"1.0"},"canonical_sha256":"b216aa5dd32e78be09c21a94594840651cec2abdc82acacb99fdaa4271fb959d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:14:25.464379Z","signature_b64":"ykO+61rAXD5sCj4VK/WBUMBl/JFy0mfnUVLRfdlDRQGxhVvn7xHCcuTFZ+ixz7UF5btS5RbshNgtkDTVdeBcCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b216aa5dd32e78be09c21a94594840651cec2abdc82acacb99fdaa4271fb959d","last_reissued_at":"2026-07-05T06:14:25.463850Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:14:25.463850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.17243","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":"2026-07-05T06:14:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wzF16meSr2Cdz5ZiTpaRxRMnyTbd1ryq81NVBWWm5kBzhg7vckOVW98twuPKDqCjrZKBfNzEq7h+WGbKgkqDCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:10:28.931456Z"},"content_sha256":"4be612d611b82a3b9cc5b24e6494f5479525f69b9cfb8fa0996f092571deb2ee","schema_version":"1.0","event_id":"sha256:4be612d611b82a3b9cc5b24e6494f5479525f69b9cfb8fa0996f092571deb2ee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:WILKUXOTFZ4L4COCDKKFSSCAMU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The pursuit of the Hubble Constant using Type II Supernovae","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"L. Galbany, T. de Jaeger","submitted_at":"2023-05-26T20:17:05Z","abstract_excerpt":"The use of multiple independent methods with their own systematic uncertainties is crucial for resolving the ongoing tension between local and distant measurements of the Hubble constant ($H_{0}$). While type Ia supernovae (SNe Ia) have historically been the most widely used distance indicators, recent studies have shown that type II supernovae (SNe II) can provide independent measurements of extragalactic distances with different systematic uncertainties. Unlike SNe Ia, the progenitors of SNe II are well understood, arising from the explosion of red supergiants in late-type galaxies via core-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.17243","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/2305.17243/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":"2026-07-05T06:14:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yXiUXpOxlEhxYHH1eP+dAF48idx5Sjc/m2rJjwa8fLscW6KBTvJzZtHzanhZ6J+LCL6Tlca0wbp0ipBdjimECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:10:28.931824Z"},"content_sha256":"f22bb7157842ac0e1b0e058dc5bbe393c7f5ef03f1749ba3c31eb5b83ddca80a","schema_version":"1.0","event_id":"sha256:f22bb7157842ac0e1b0e058dc5bbe393c7f5ef03f1749ba3c31eb5b83ddca80a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WILKUXOTFZ4L4COCDKKFSSCAMU/bundle.json","state_url":"https://pith.science/pith/WILKUXOTFZ4L4COCDKKFSSCAMU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WILKUXOTFZ4L4COCDKKFSSCAMU/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":"2026-07-07T12:10:28Z","links":{"resolver":"https://pith.science/pith/WILKUXOTFZ4L4COCDKKFSSCAMU","bundle":"https://pith.science/pith/WILKUXOTFZ4L4COCDKKFSSCAMU/bundle.json","state":"https://pith.science/pith/WILKUXOTFZ4L4COCDKKFSSCAMU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WILKUXOTFZ4L4COCDKKFSSCAMU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:WILKUXOTFZ4L4COCDKKFSSCAMU","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":"a20095184d1860420fb54b00634fee4c74f646f689b9d6c2e5c72584588c8b1f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-05-26T20:17:05Z","title_canon_sha256":"73f54616c6462edc9d7a4697a25a1564c0f79fc7ed189719767d0a6a3f9f336c"},"schema_version":"1.0","source":{"id":"2305.17243","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.17243","created_at":"2026-07-05T06:14:25Z"},{"alias_kind":"arxiv_version","alias_value":"2305.17243v1","created_at":"2026-07-05T06:14:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.17243","created_at":"2026-07-05T06:14:25Z"},{"alias_kind":"pith_short_12","alias_value":"WILKUXOTFZ4L","created_at":"2026-07-05T06:14:25Z"},{"alias_kind":"pith_short_16","alias_value":"WILKUXOTFZ4L4COC","created_at":"2026-07-05T06:14:25Z"},{"alias_kind":"pith_short_8","alias_value":"WILKUXOT","created_at":"2026-07-05T06:14:25Z"}],"graph_snapshots":[{"event_id":"sha256:f22bb7157842ac0e1b0e058dc5bbe393c7f5ef03f1749ba3c31eb5b83ddca80a","target":"graph","created_at":"2026-07-05T06:14:25Z","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/2305.17243/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The use of multiple independent methods with their own systematic uncertainties is crucial for resolving the ongoing tension between local and distant measurements of the Hubble constant ($H_{0}$). While type Ia supernovae (SNe Ia) have historically been the most widely used distance indicators, recent studies have shown that type II supernovae (SNe II) can provide independent measurements of extragalactic distances with different systematic uncertainties. Unlike SNe Ia, the progenitors of SNe II are well understood, arising from the explosion of red supergiants in late-type galaxies via core-","authors_text":"L. Galbany, T. de Jaeger","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-05-26T20:17:05Z","title":"The pursuit of the Hubble Constant using Type II Supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.17243","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":"sha256:4be612d611b82a3b9cc5b24e6494f5479525f69b9cfb8fa0996f092571deb2ee","target":"record","created_at":"2026-07-05T06:14:25Z","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":"a20095184d1860420fb54b00634fee4c74f646f689b9d6c2e5c72584588c8b1f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-05-26T20:17:05Z","title_canon_sha256":"73f54616c6462edc9d7a4697a25a1564c0f79fc7ed189719767d0a6a3f9f336c"},"schema_version":"1.0","source":{"id":"2305.17243","kind":"arxiv","version":1}},"canonical_sha256":"b216aa5dd32e78be09c21a94594840651cec2abdc82acacb99fdaa4271fb959d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b216aa5dd32e78be09c21a94594840651cec2abdc82acacb99fdaa4271fb959d","first_computed_at":"2026-07-05T06:14:25.463850Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:14:25.463850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ykO+61rAXD5sCj4VK/WBUMBl/JFy0mfnUVLRfdlDRQGxhVvn7xHCcuTFZ+ixz7UF5btS5RbshNgtkDTVdeBcCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:14:25.464379Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.17243","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4be612d611b82a3b9cc5b24e6494f5479525f69b9cfb8fa0996f092571deb2ee","sha256:f22bb7157842ac0e1b0e058dc5bbe393c7f5ef03f1749ba3c31eb5b83ddca80a"],"state_sha256":"aa5975091c2d2ec12f3d57269676a2796f23347dfb3d7192aeab333201a22cfb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xJLWxDwDiOdqK3eHSHCdnbIkh6+DkpH6VrtOGfUglxLhmr7o2qjLcM1ES3xmihVsTorOkuHUO+0wfXpKxeafCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T12:10:28.933900Z","bundle_sha256":"5557e4e10a7e017abeedcd99128a6f5d3c26ea959464843df482dc41e7d4f908"}}