{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:CVCFXLJAS5WYDGADLAI25S637O","short_pith_number":"pith:CVCFXLJA","canonical_record":{"source":{"id":"2105.12618","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-05-26T15:17:50Z","cross_cats_sorted":[],"title_canon_sha256":"ff7b826227ae4f4db5c5bd291742ccae497e347f3d2b1ad115662e024416461d","abstract_canon_sha256":"35da55d8c56dc9ba81536b7a3ef0d56f2ec4c616298456089778f330e0384598"},"schema_version":"1.0"},"canonical_sha256":"15445bad20976d8198035811aecbdbfb9d41d641f7a5f1564d6fe5b3e3f15a1a","source":{"kind":"arxiv","id":"2105.12618","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.12618","created_at":"2026-07-05T03:37:42Z"},{"alias_kind":"arxiv_version","alias_value":"2105.12618v1","created_at":"2026-07-05T03:37:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.12618","created_at":"2026-07-05T03:37:42Z"},{"alias_kind":"pith_short_12","alias_value":"CVCFXLJAS5WY","created_at":"2026-07-05T03:37:42Z"},{"alias_kind":"pith_short_16","alias_value":"CVCFXLJAS5WYDGAD","created_at":"2026-07-05T03:37:42Z"},{"alias_kind":"pith_short_8","alias_value":"CVCFXLJA","created_at":"2026-07-05T03:37:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:CVCFXLJAS5WYDGADLAI25S637O","target":"record","payload":{"canonical_record":{"source":{"id":"2105.12618","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-05-26T15:17:50Z","cross_cats_sorted":[],"title_canon_sha256":"ff7b826227ae4f4db5c5bd291742ccae497e347f3d2b1ad115662e024416461d","abstract_canon_sha256":"35da55d8c56dc9ba81536b7a3ef0d56f2ec4c616298456089778f330e0384598"},"schema_version":"1.0"},"canonical_sha256":"15445bad20976d8198035811aecbdbfb9d41d641f7a5f1564d6fe5b3e3f15a1a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:37:42.922404Z","signature_b64":"Wir8ijbNMpujfBqebMrdb0Tkk5409Slgmh7xEgTWB0LoQl6fQOsT0IonME42KizSdM/1BfJAWxHo9cjWTZfECQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15445bad20976d8198035811aecbdbfb9d41d641f7a5f1564d6fe5b3e3f15a1a","last_reissued_at":"2026-07-05T03:37:42.921892Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:37:42.921892Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.12618","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":"2026-07-05T03:37:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wkc0QpFIOiSdAZF8yio+Pruk1MYYNgDQUMcd3tcr8aGytQG5OdfY35jjTi5KN5vEjJkVI38laDxq0fZg++HfBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-15T21:30:17.844719Z"},"content_sha256":"7dc642b056a2400ebad165cb43df2197c62e5a2c96cbfb29451bd3fc5eadcfba","schema_version":"1.0","event_id":"sha256:7dc642b056a2400ebad165cb43df2197c62e5a2c96cbfb29451bd3fc5eadcfba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:CVCFXLJAS5WYDGADLAI25S637O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Influence of the Bounds of the Hyperparameters on the Reconstruction of Hubble Constant with Gaussian Process","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Kang Jiao, Tong-Jie Zhang, Wen Sun","submitted_at":"2021-05-26T15:17:50Z","abstract_excerpt":"The cosmological model-independent method Gaussian process (GP) has been widely used in the reconstruction of Hubble constant $H_0$, and the hyperparameters inside GP influence the reconstructed result derived from GP. Different hyperparameters inside GP are used in the constraint of $H_0$ derived from GP with observational Hubble parameter $H(z)$ data (OHD), and the influence of the hyperparameters inside GP on the reconstruction of $H_0$ with GP is discussed. The discussion about the hyperparameters inside GP and the forecasts for future data show that the consideration of the lower and uppe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.12618","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/2105.12618/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":"2026-07-05T03:37:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ab70Rhi5WUaFnNXYjbZ7ilY5nSYbgbUUO25iCmD3uT7qjF/LH5S+K0O2wT7J6AMjY10orS/VnvM+N3OgmVEpBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-15T21:30:17.845102Z"},"content_sha256":"024fd140c3938b623260eb3e1683fea41fac48b975a9f6b2b06921b17ca0edab","schema_version":"1.0","event_id":"sha256:024fd140c3938b623260eb3e1683fea41fac48b975a9f6b2b06921b17ca0edab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CVCFXLJAS5WYDGADLAI25S637O/bundle.json","state_url":"https://pith.science/pith/CVCFXLJAS5WYDGADLAI25S637O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CVCFXLJAS5WYDGADLAI25S637O/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":"2026-07-15T21:30:17Z","links":{"resolver":"https://pith.science/pith/CVCFXLJAS5WYDGADLAI25S637O","bundle":"https://pith.science/pith/CVCFXLJAS5WYDGADLAI25S637O/bundle.json","state":"https://pith.science/pith/CVCFXLJAS5WYDGADLAI25S637O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CVCFXLJAS5WYDGADLAI25S637O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:CVCFXLJAS5WYDGADLAI25S637O","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":"35da55d8c56dc9ba81536b7a3ef0d56f2ec4c616298456089778f330e0384598","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-05-26T15:17:50Z","title_canon_sha256":"ff7b826227ae4f4db5c5bd291742ccae497e347f3d2b1ad115662e024416461d"},"schema_version":"1.0","source":{"id":"2105.12618","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.12618","created_at":"2026-07-05T03:37:42Z"},{"alias_kind":"arxiv_version","alias_value":"2105.12618v1","created_at":"2026-07-05T03:37:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.12618","created_at":"2026-07-05T03:37:42Z"},{"alias_kind":"pith_short_12","alias_value":"CVCFXLJAS5WY","created_at":"2026-07-05T03:37:42Z"},{"alias_kind":"pith_short_16","alias_value":"CVCFXLJAS5WYDGAD","created_at":"2026-07-05T03:37:42Z"},{"alias_kind":"pith_short_8","alias_value":"CVCFXLJA","created_at":"2026-07-05T03:37:42Z"}],"graph_snapshots":[{"event_id":"sha256:024fd140c3938b623260eb3e1683fea41fac48b975a9f6b2b06921b17ca0edab","target":"graph","created_at":"2026-07-05T03:37:42Z","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/2105.12618/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The cosmological model-independent method Gaussian process (GP) has been widely used in the reconstruction of Hubble constant $H_0$, and the hyperparameters inside GP influence the reconstructed result derived from GP. Different hyperparameters inside GP are used in the constraint of $H_0$ derived from GP with observational Hubble parameter $H(z)$ data (OHD), and the influence of the hyperparameters inside GP on the reconstruction of $H_0$ with GP is discussed. The discussion about the hyperparameters inside GP and the forecasts for future data show that the consideration of the lower and uppe","authors_text":"Kang Jiao, Tong-Jie Zhang, Wen Sun","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-05-26T15:17:50Z","title":"Influence of the Bounds of the Hyperparameters on the Reconstruction of Hubble Constant with Gaussian Process"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.12618","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":"sha256:7dc642b056a2400ebad165cb43df2197c62e5a2c96cbfb29451bd3fc5eadcfba","target":"record","created_at":"2026-07-05T03:37:42Z","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":"35da55d8c56dc9ba81536b7a3ef0d56f2ec4c616298456089778f330e0384598","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-05-26T15:17:50Z","title_canon_sha256":"ff7b826227ae4f4db5c5bd291742ccae497e347f3d2b1ad115662e024416461d"},"schema_version":"1.0","source":{"id":"2105.12618","kind":"arxiv","version":1}},"canonical_sha256":"15445bad20976d8198035811aecbdbfb9d41d641f7a5f1564d6fe5b3e3f15a1a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15445bad20976d8198035811aecbdbfb9d41d641f7a5f1564d6fe5b3e3f15a1a","first_computed_at":"2026-07-05T03:37:42.921892Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:37:42.921892Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Wir8ijbNMpujfBqebMrdb0Tkk5409Slgmh7xEgTWB0LoQl6fQOsT0IonME42KizSdM/1BfJAWxHo9cjWTZfECQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:37:42.922404Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.12618","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7dc642b056a2400ebad165cb43df2197c62e5a2c96cbfb29451bd3fc5eadcfba","sha256:024fd140c3938b623260eb3e1683fea41fac48b975a9f6b2b06921b17ca0edab"],"state_sha256":"f4bd1722f0de50388481273a5a0030d889cf37bbff3fff83f3813e9a500eb4d8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nRvDYT7UJpQGXVBbf4hgE/i6DaKHELGemvaIWcNs2gqEaNtBBNdfSaE8e3kk0y+fOCy/a6Xhlmcq2b5o36ohBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-15T21:30:17.847272Z","bundle_sha256":"ae6fe91a9e36c6b5e67f5c5eb0ecea29a10fa5900547292dec48935790fdc5d2"}}