{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:HAUMAGWRADBMHB2QSUO5K4I236","short_pith_number":"pith:HAUMAGWR","canonical_record":{"source":{"id":"1710.05856","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-16T16:58:13Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"336f255a50180835597d5c9345a8e62a39dc94630369c44e9fec8709fb754c52","abstract_canon_sha256":"28cdcfd658207cdc0fc49b6b044c6fadc58fa0a3200284daf7db7e7021d6fa35"},"schema_version":"1.0"},"canonical_sha256":"3828c01ad100c2c38750951dd5711adfbb2b0b602616ff592f604bb904dccc0e","source":{"kind":"arxiv","id":"1710.05856","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.05856","created_at":"2026-05-18T00:32:47Z"},{"alias_kind":"arxiv_version","alias_value":"1710.05856v1","created_at":"2026-05-18T00:32:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.05856","created_at":"2026-05-18T00:32:47Z"},{"alias_kind":"pith_short_12","alias_value":"HAUMAGWRADBM","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HAUMAGWRADBMHB2Q","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HAUMAGWR","created_at":"2026-05-18T12:31:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:HAUMAGWRADBMHB2QSUO5K4I236","target":"record","payload":{"canonical_record":{"source":{"id":"1710.05856","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-16T16:58:13Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"336f255a50180835597d5c9345a8e62a39dc94630369c44e9fec8709fb754c52","abstract_canon_sha256":"28cdcfd658207cdc0fc49b6b044c6fadc58fa0a3200284daf7db7e7021d6fa35"},"schema_version":"1.0"},"canonical_sha256":"3828c01ad100c2c38750951dd5711adfbb2b0b602616ff592f604bb904dccc0e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:47.934204Z","signature_b64":"//HzZrhKCCzaP9io5BIMQTzhXnngDaXDBsRmpmr3pXKH96kCtQLZOjUGrgONQtvL0be3/A/zDASopwixUP4yCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3828c01ad100c2c38750951dd5711adfbb2b0b602616ff592f604bb904dccc0e","last_reissued_at":"2026-05-18T00:32:47.933545Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:47.933545Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.05856","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":"2026-05-18T00:32:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wwrtB0fbq16xqc7Kh2G7IeKSV2NR98SQ4IM2hCBDw73HQyN4mmirPLVIZc2CnS/HJmXe8W5xcR9yXh0ct6NJAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T20:14:47.307312Z"},"content_sha256":"b875526f01f02faa6c42694ab7d4ecf504ae8a9e93a02bb4d31657b9540e4f19","schema_version":"1.0","event_id":"sha256:b875526f01f02faa6c42694ab7d4ecf504ae8a9e93a02bb4d31657b9540e4f19"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:HAUMAGWRADBMHB2QSUO5K4I236","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Distance to NGC 4993: The Host Galaxy of the Gravitational-wave Event GW170817","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Andrew J. Levan, Christa Gall, Ilya Mandel, Jens Hjorth, Joe D. Lyman, Nial R. Tanvir, Rados{\\l}aw Wojtak, Sofie H. Bruun, Sophie L. Schr{\\o}der","submitted_at":"2017-10-16T16:58:13Z","abstract_excerpt":"The historic detection of gravitational waves from a binary neutron star merger (GW170817) and its electromagnetic counterpart led to the first accurate (sub-arcsecond) localization of a gravitational-wave event. The transient was found to be $\\sim$10\" from the nucleus of the S0 galaxy NGC 4993. We report here the luminosity distance to this galaxy using two independent methods. (1) Based on our MUSE/VLT measurement of the heliocentric redshift ($z_{\\rm helio}=0.009783\\pm0.000023$) we infer the systemic recession velocity of the NGC 4993 group of galaxies in the cosmic microwave background (CM"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.05856","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":""},"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":"2026-05-18T00:32:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lMXdaRvK/1pRupIIiTCm5twMRrql/JMRIQAXXTrF8bxwn8LlwMDgXSDbvfIquCWW6hgJYYrAE7OnCbdQDxVjDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T20:14:47.308092Z"},"content_sha256":"7aa3bb41ba5bb7804342420304167d2d530f3536b4f7130b8929097c18ac3a6e","schema_version":"1.0","event_id":"sha256:7aa3bb41ba5bb7804342420304167d2d530f3536b4f7130b8929097c18ac3a6e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HAUMAGWRADBMHB2QSUO5K4I236/bundle.json","state_url":"https://pith.science/pith/HAUMAGWRADBMHB2QSUO5K4I236/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HAUMAGWRADBMHB2QSUO5K4I236/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":"2026-06-06T20:14:47Z","links":{"resolver":"https://pith.science/pith/HAUMAGWRADBMHB2QSUO5K4I236","bundle":"https://pith.science/pith/HAUMAGWRADBMHB2QSUO5K4I236/bundle.json","state":"https://pith.science/pith/HAUMAGWRADBMHB2QSUO5K4I236/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HAUMAGWRADBMHB2QSUO5K4I236/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:HAUMAGWRADBMHB2QSUO5K4I236","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":"28cdcfd658207cdc0fc49b6b044c6fadc58fa0a3200284daf7db7e7021d6fa35","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-16T16:58:13Z","title_canon_sha256":"336f255a50180835597d5c9345a8e62a39dc94630369c44e9fec8709fb754c52"},"schema_version":"1.0","source":{"id":"1710.05856","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.05856","created_at":"2026-05-18T00:32:47Z"},{"alias_kind":"arxiv_version","alias_value":"1710.05856v1","created_at":"2026-05-18T00:32:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.05856","created_at":"2026-05-18T00:32:47Z"},{"alias_kind":"pith_short_12","alias_value":"HAUMAGWRADBM","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HAUMAGWRADBMHB2Q","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HAUMAGWR","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:7aa3bb41ba5bb7804342420304167d2d530f3536b4f7130b8929097c18ac3a6e","target":"graph","created_at":"2026-05-18T00:32:47Z","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"},"paper":{"abstract_excerpt":"The historic detection of gravitational waves from a binary neutron star merger (GW170817) and its electromagnetic counterpart led to the first accurate (sub-arcsecond) localization of a gravitational-wave event. The transient was found to be $\\sim$10\" from the nucleus of the S0 galaxy NGC 4993. We report here the luminosity distance to this galaxy using two independent methods. (1) Based on our MUSE/VLT measurement of the heliocentric redshift ($z_{\\rm helio}=0.009783\\pm0.000023$) we infer the systemic recession velocity of the NGC 4993 group of galaxies in the cosmic microwave background (CM","authors_text":"Andrew J. Levan, Christa Gall, Ilya Mandel, Jens Hjorth, Joe D. Lyman, Nial R. Tanvir, Rados{\\l}aw Wojtak, Sofie H. Bruun, Sophie L. Schr{\\o}der","cross_cats":["astro-ph.CO","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-16T16:58:13Z","title":"The Distance to NGC 4993: The Host Galaxy of the Gravitational-wave Event GW170817"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.05856","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:b875526f01f02faa6c42694ab7d4ecf504ae8a9e93a02bb4d31657b9540e4f19","target":"record","created_at":"2026-05-18T00:32:47Z","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":"28cdcfd658207cdc0fc49b6b044c6fadc58fa0a3200284daf7db7e7021d6fa35","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-16T16:58:13Z","title_canon_sha256":"336f255a50180835597d5c9345a8e62a39dc94630369c44e9fec8709fb754c52"},"schema_version":"1.0","source":{"id":"1710.05856","kind":"arxiv","version":1}},"canonical_sha256":"3828c01ad100c2c38750951dd5711adfbb2b0b602616ff592f604bb904dccc0e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3828c01ad100c2c38750951dd5711adfbb2b0b602616ff592f604bb904dccc0e","first_computed_at":"2026-05-18T00:32:47.933545Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:47.933545Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"//HzZrhKCCzaP9io5BIMQTzhXnngDaXDBsRmpmr3pXKH96kCtQLZOjUGrgONQtvL0be3/A/zDASopwixUP4yCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:47.934204Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.05856","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b875526f01f02faa6c42694ab7d4ecf504ae8a9e93a02bb4d31657b9540e4f19","sha256:7aa3bb41ba5bb7804342420304167d2d530f3536b4f7130b8929097c18ac3a6e"],"state_sha256":"81c45d941e8e499a104f3f818bfab7234ffa05604d74f42f1bc494c1acb83e72"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ca+p9bxmFo4x/bO2THQIk4psIou9ArSWk9FGSIZLzKJCQKW0Ljd7N13nKOBLKPGvmvUXln3Tsdqp4cLkL1x8Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T20:14:47.311676Z","bundle_sha256":"1f6d5179cd100bb8c5864d20a6f243b4b6bab499fd45eb6b957d70307459a1a8"}}