{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:LSXINSFDLM5C2HCE3C6J7L7H77","short_pith_number":"pith:LSXINSFD","canonical_record":{"source":{"id":"2009.04204","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-09-09T10:44:33Z","cross_cats_sorted":[],"title_canon_sha256":"0d4b3709a283937ab2ba9ef17cb8b6b63fd7fb39d617d44dc144862c1fb2aed8","abstract_canon_sha256":"239507e1dd47067cf2ab75533276de9b4f548391ab2b5f922bc1eced86ae85eb"},"schema_version":"1.0"},"canonical_sha256":"5cae86c8a35b3a2d1c44d8bc9fafe7fff3c387fb4de578826740da552c362007","source":{"kind":"arxiv","id":"2009.04204","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.04204","created_at":"2026-07-05T02:12:03Z"},{"alias_kind":"arxiv_version","alias_value":"2009.04204v1","created_at":"2026-07-05T02:12:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.04204","created_at":"2026-07-05T02:12:03Z"},{"alias_kind":"pith_short_12","alias_value":"LSXINSFDLM5C","created_at":"2026-07-05T02:12:03Z"},{"alias_kind":"pith_short_16","alias_value":"LSXINSFDLM5C2HCE","created_at":"2026-07-05T02:12:03Z"},{"alias_kind":"pith_short_8","alias_value":"LSXINSFD","created_at":"2026-07-05T02:12:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:LSXINSFDLM5C2HCE3C6J7L7H77","target":"record","payload":{"canonical_record":{"source":{"id":"2009.04204","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-09-09T10:44:33Z","cross_cats_sorted":[],"title_canon_sha256":"0d4b3709a283937ab2ba9ef17cb8b6b63fd7fb39d617d44dc144862c1fb2aed8","abstract_canon_sha256":"239507e1dd47067cf2ab75533276de9b4f548391ab2b5f922bc1eced86ae85eb"},"schema_version":"1.0"},"canonical_sha256":"5cae86c8a35b3a2d1c44d8bc9fafe7fff3c387fb4de578826740da552c362007","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:12:03.175513Z","signature_b64":"6TXmcc/AhiqFKvPNI/3z4y2dTof6rfltCud7bT/mm4l57GBNgeL38TmpVpTEjEICe/fPZDfq8l3OkgMBCHq8Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5cae86c8a35b3a2d1c44d8bc9fafe7fff3c387fb4de578826740da552c362007","last_reissued_at":"2026-07-05T02:12:03.175023Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:12:03.175023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.04204","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":"2026-07-05T02:12:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o1lhPN/JMKYxFJdRopiIOIXKnji2jO/8c/Zzx7Ic/NkYplUHxi5Ib3HpqdFGwWn7U41VvhdgiOApr3JJLhpUDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T15:59:06.563819Z"},"content_sha256":"ecac005dc95135485c4b4eaeb7ca0eb547af660fecbfb9fd5a87c746c4d388dc","schema_version":"1.0","event_id":"sha256:ecac005dc95135485c4b4eaeb7ca0eb547af660fecbfb9fd5a87c746c4d388dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:LSXINSFDLM5C2HCE3C6J7L7H77","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A model-independent constraint on the Hubble constant with gravitational waves from the Einstein Telescope","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Jia Zhang, Shuaibo Geng, Shuo Cao, Sixuan Zhang, Tonghua Liu, Yujie Lian, Yuting Liu","submitted_at":"2020-09-09T10:44:33Z","abstract_excerpt":"In this paper, we investigate the expected constraints on the Hubble constant from the gravitational-wave standard sirens, in a cosmological-model-independent way. In the framework of the well-known Hubble law, the GW signal from each detected binary merger in the local universe ($z<0.10$) provides a measurement of luminosity distance $D_L$ and thus the Hubble constant $H_0$. Focusing on the simulated data of gravitational waves from the third-generation gravitational wave detector (the Einstein Telescope, ET), combined with the redshifts determined from electromagnetic counter parts and host "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.04204","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/2009.04204/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":"2026-07-05T02:12:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IhZFip++mHuQn7/5Hl9TpxXe2s2IryQPkHVfekBdR+n7py30qcpXWP/qyiVI0hiqu4X40TUh1xXZdn9MX3kyCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T15:59:06.564197Z"},"content_sha256":"edd7a78ed377a6709d0febe99d36809445768f796c997d71ab337e0a5c497e2b","schema_version":"1.0","event_id":"sha256:edd7a78ed377a6709d0febe99d36809445768f796c997d71ab337e0a5c497e2b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LSXINSFDLM5C2HCE3C6J7L7H77/bundle.json","state_url":"https://pith.science/pith/LSXINSFDLM5C2HCE3C6J7L7H77/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LSXINSFDLM5C2HCE3C6J7L7H77/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":"2026-07-18T15:59:06Z","links":{"resolver":"https://pith.science/pith/LSXINSFDLM5C2HCE3C6J7L7H77","bundle":"https://pith.science/pith/LSXINSFDLM5C2HCE3C6J7L7H77/bundle.json","state":"https://pith.science/pith/LSXINSFDLM5C2HCE3C6J7L7H77/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LSXINSFDLM5C2HCE3C6J7L7H77/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:LSXINSFDLM5C2HCE3C6J7L7H77","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":"239507e1dd47067cf2ab75533276de9b4f548391ab2b5f922bc1eced86ae85eb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-09-09T10:44:33Z","title_canon_sha256":"0d4b3709a283937ab2ba9ef17cb8b6b63fd7fb39d617d44dc144862c1fb2aed8"},"schema_version":"1.0","source":{"id":"2009.04204","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.04204","created_at":"2026-07-05T02:12:03Z"},{"alias_kind":"arxiv_version","alias_value":"2009.04204v1","created_at":"2026-07-05T02:12:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.04204","created_at":"2026-07-05T02:12:03Z"},{"alias_kind":"pith_short_12","alias_value":"LSXINSFDLM5C","created_at":"2026-07-05T02:12:03Z"},{"alias_kind":"pith_short_16","alias_value":"LSXINSFDLM5C2HCE","created_at":"2026-07-05T02:12:03Z"},{"alias_kind":"pith_short_8","alias_value":"LSXINSFD","created_at":"2026-07-05T02:12:03Z"}],"graph_snapshots":[{"event_id":"sha256:edd7a78ed377a6709d0febe99d36809445768f796c997d71ab337e0a5c497e2b","target":"graph","created_at":"2026-07-05T02:12:03Z","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/2009.04204/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we investigate the expected constraints on the Hubble constant from the gravitational-wave standard sirens, in a cosmological-model-independent way. In the framework of the well-known Hubble law, the GW signal from each detected binary merger in the local universe ($z<0.10$) provides a measurement of luminosity distance $D_L$ and thus the Hubble constant $H_0$. Focusing on the simulated data of gravitational waves from the third-generation gravitational wave detector (the Einstein Telescope, ET), combined with the redshifts determined from electromagnetic counter parts and host ","authors_text":"Jia Zhang, Shuaibo Geng, Shuo Cao, Sixuan Zhang, Tonghua Liu, Yujie Lian, Yuting Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-09-09T10:44:33Z","title":"A model-independent constraint on the Hubble constant with gravitational waves from the Einstein Telescope"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.04204","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:ecac005dc95135485c4b4eaeb7ca0eb547af660fecbfb9fd5a87c746c4d388dc","target":"record","created_at":"2026-07-05T02:12:03Z","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":"239507e1dd47067cf2ab75533276de9b4f548391ab2b5f922bc1eced86ae85eb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-09-09T10:44:33Z","title_canon_sha256":"0d4b3709a283937ab2ba9ef17cb8b6b63fd7fb39d617d44dc144862c1fb2aed8"},"schema_version":"1.0","source":{"id":"2009.04204","kind":"arxiv","version":1}},"canonical_sha256":"5cae86c8a35b3a2d1c44d8bc9fafe7fff3c387fb4de578826740da552c362007","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5cae86c8a35b3a2d1c44d8bc9fafe7fff3c387fb4de578826740da552c362007","first_computed_at":"2026-07-05T02:12:03.175023Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:12:03.175023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6TXmcc/AhiqFKvPNI/3z4y2dTof6rfltCud7bT/mm4l57GBNgeL38TmpVpTEjEICe/fPZDfq8l3OkgMBCHq8Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:12:03.175513Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.04204","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ecac005dc95135485c4b4eaeb7ca0eb547af660fecbfb9fd5a87c746c4d388dc","sha256:edd7a78ed377a6709d0febe99d36809445768f796c997d71ab337e0a5c497e2b"],"state_sha256":"d0cfeffd857eba98325650f4e29e63df1e9413201031847bcc0f046d4cd4d715"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"md/tNlTgSQ6gOFy1iTKonPEN/tIES6da0F/yc3V6EEKAhNwba/JXq5jArM1cYOo4Nm+G2u56Dw597waHW51QBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-18T15:59:06.566700Z","bundle_sha256":"135d4312a4d6ae5f44ec3a99628d8517b798102b4bfeec3ae0f7478ad579bfa3"}}