{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:OA6S4BJQWMKPYEDIPBXJBL5WNT","short_pith_number":"pith:OA6S4BJQ","canonical_record":{"source":{"id":"1710.05461","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-16T16:58:00Z","cross_cats_sorted":[],"title_canon_sha256":"c0ff644bc51debd1b71149cc026d5ab597d4f561f026ec373d634e55be375407","abstract_canon_sha256":"b2d15ca07a9d94de72a369e531d8870372f99f4d0b7c9c1d38cc78a7c9738687"},"schema_version":"1.0"},"canonical_sha256":"703d2e0530b314fc1068786e90afb66cd6ea7429134c1403278ed7a88fc40b6a","source":{"kind":"arxiv","id":"1710.05461","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.05461","created_at":"2026-05-18T00:32:33Z"},{"alias_kind":"arxiv_version","alias_value":"1710.05461v2","created_at":"2026-05-18T00:32:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.05461","created_at":"2026-05-18T00:32:33Z"},{"alias_kind":"pith_short_12","alias_value":"OA6S4BJQWMKP","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"OA6S4BJQWMKPYEDI","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"OA6S4BJQ","created_at":"2026-05-18T12:31:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:OA6S4BJQWMKPYEDIPBXJBL5WNT","target":"record","payload":{"canonical_record":{"source":{"id":"1710.05461","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-16T16:58:00Z","cross_cats_sorted":[],"title_canon_sha256":"c0ff644bc51debd1b71149cc026d5ab597d4f561f026ec373d634e55be375407","abstract_canon_sha256":"b2d15ca07a9d94de72a369e531d8870372f99f4d0b7c9c1d38cc78a7c9738687"},"schema_version":"1.0"},"canonical_sha256":"703d2e0530b314fc1068786e90afb66cd6ea7429134c1403278ed7a88fc40b6a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:33.679008Z","signature_b64":"PWFiVi+82NYfZZxon2QGiQl6X9jUvxkJc/vQs+XOJ0xbO60yfrPS3aoy3Ls/2VzAh8dxNHVStZ2dWRTIBAFPDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"703d2e0530b314fc1068786e90afb66cd6ea7429134c1403278ed7a88fc40b6a","last_reissued_at":"2026-05-18T00:32:33.678267Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:33.678267Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.05461","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:32:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KRaghek64eQoDA9lpwp1tgY2uugPCmK6Yx9eynyNUOkylfHzjTcOGYTbP2t8k+fmn8SEJBfHdTQ6NCT1wUe0Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:27:32.574139Z"},"content_sha256":"68c273026777fefff2058139c23e7c21a152e3d8fcafd6eed39b3fa15bc6e3c2","schema_version":"1.0","event_id":"sha256:68c273026777fefff2058139c23e7c21a152e3d8fcafd6eed39b3fa15bc6e3c2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:OA6S4BJQWMKPYEDIPBXJBL5WNT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MASTER optical detection of the first LIGO/Virgo neutron stars merging GW170817","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Gabovich, A.Kuznetsov, A. Tlatov, A.V.Krylov, C. Lopez, C. Mallamachi, C. Saffe, D.A.H.Buckley, D. Kuvshinov, D.Vlasenko, D. Zimnukhov, E. Gorbovskoy, F. Podesta, G. Israelyan, H. Levato, I.Gorbunov, M.I.Panchenko, M. Serra-Ricart, N.M. Budnev, N .Tyurina, O. Gress, P. Balanutsa, R. Podesta, R. Rebolo, S. Potter, V.Chazov, V.G. Kornilov, V.M. Lipunov, V. Vladimirov, V. Yurkov, Xiaofeng Wang, Yu.Ishmuhametova, Yu. Sergienko","submitted_at":"2017-10-16T16:58:00Z","abstract_excerpt":"Following the reported discovery of the gravitational-wave pulse GW170817/ G298048 by three LIGO/Virgo antennae (Abbott et al., 2017a), the MASTER Global Robotic Net telescopes obtained the first image of the NGC 4993 galaxy after the NS+NS merging. The optical transient MASTER OTJ130948.10-232253.3/SSS17a was later found, which appears to be a kilonova resulting from a merger of two neutron stars. In this paper we report the independent detection and photometry of the kilonova made in white light and in B, V, and R filters. We note that luminosity of the discovered kilonova NGC 4993 is very c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.05461","kind":"arxiv","version":2},"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":"2026-05-18T00:32:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m9UTjqficBjuhIGcpFFW9Bru2wZpVyPFx2+kINk7MyTSmRfy6gCoBIIiD9AC6XUV9FkHsE45ZJJUc8FdyGFoCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:27:32.574831Z"},"content_sha256":"132710c20107b99d9ac12d8bd80030e2617ee6294b1a7fef89c309e8b71d2e2a","schema_version":"1.0","event_id":"sha256:132710c20107b99d9ac12d8bd80030e2617ee6294b1a7fef89c309e8b71d2e2a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OA6S4BJQWMKPYEDIPBXJBL5WNT/bundle.json","state_url":"https://pith.science/pith/OA6S4BJQWMKPYEDIPBXJBL5WNT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OA6S4BJQWMKPYEDIPBXJBL5WNT/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":"2026-05-25T15:27:32Z","links":{"resolver":"https://pith.science/pith/OA6S4BJQWMKPYEDIPBXJBL5WNT","bundle":"https://pith.science/pith/OA6S4BJQWMKPYEDIPBXJBL5WNT/bundle.json","state":"https://pith.science/pith/OA6S4BJQWMKPYEDIPBXJBL5WNT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OA6S4BJQWMKPYEDIPBXJBL5WNT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:OA6S4BJQWMKPYEDIPBXJBL5WNT","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":"b2d15ca07a9d94de72a369e531d8870372f99f4d0b7c9c1d38cc78a7c9738687","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-16T16:58:00Z","title_canon_sha256":"c0ff644bc51debd1b71149cc026d5ab597d4f561f026ec373d634e55be375407"},"schema_version":"1.0","source":{"id":"1710.05461","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.05461","created_at":"2026-05-18T00:32:33Z"},{"alias_kind":"arxiv_version","alias_value":"1710.05461v2","created_at":"2026-05-18T00:32:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.05461","created_at":"2026-05-18T00:32:33Z"},{"alias_kind":"pith_short_12","alias_value":"OA6S4BJQWMKP","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"OA6S4BJQWMKPYEDI","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"OA6S4BJQ","created_at":"2026-05-18T12:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:132710c20107b99d9ac12d8bd80030e2617ee6294b1a7fef89c309e8b71d2e2a","target":"graph","created_at":"2026-05-18T00:32:33Z","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":"Following the reported discovery of the gravitational-wave pulse GW170817/ G298048 by three LIGO/Virgo antennae (Abbott et al., 2017a), the MASTER Global Robotic Net telescopes obtained the first image of the NGC 4993 galaxy after the NS+NS merging. The optical transient MASTER OTJ130948.10-232253.3/SSS17a was later found, which appears to be a kilonova resulting from a merger of two neutron stars. In this paper we report the independent detection and photometry of the kilonova made in white light and in B, V, and R filters. We note that luminosity of the discovered kilonova NGC 4993 is very c","authors_text":"A. Gabovich, A.Kuznetsov, A. Tlatov, A.V.Krylov, C. Lopez, C. Mallamachi, C. Saffe, D.A.H.Buckley, D. Kuvshinov, D.Vlasenko, D. Zimnukhov, E. Gorbovskoy, F. Podesta, G. Israelyan, H. Levato, I.Gorbunov, M.I.Panchenko, M. Serra-Ricart, N.M. Budnev, N .Tyurina, O. Gress, P. Balanutsa, R. Podesta, R. Rebolo, S. Potter, V.Chazov, V.G. Kornilov, V.M. Lipunov, V. Vladimirov, V. Yurkov, Xiaofeng Wang, Yu.Ishmuhametova, Yu. Sergienko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-16T16:58:00Z","title":"MASTER optical detection of the first LIGO/Virgo neutron stars merging GW170817"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.05461","kind":"arxiv","version":2},"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":"sha256:68c273026777fefff2058139c23e7c21a152e3d8fcafd6eed39b3fa15bc6e3c2","target":"record","created_at":"2026-05-18T00:32:33Z","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":"b2d15ca07a9d94de72a369e531d8870372f99f4d0b7c9c1d38cc78a7c9738687","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-16T16:58:00Z","title_canon_sha256":"c0ff644bc51debd1b71149cc026d5ab597d4f561f026ec373d634e55be375407"},"schema_version":"1.0","source":{"id":"1710.05461","kind":"arxiv","version":2}},"canonical_sha256":"703d2e0530b314fc1068786e90afb66cd6ea7429134c1403278ed7a88fc40b6a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"703d2e0530b314fc1068786e90afb66cd6ea7429134c1403278ed7a88fc40b6a","first_computed_at":"2026-05-18T00:32:33.678267Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:33.678267Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PWFiVi+82NYfZZxon2QGiQl6X9jUvxkJc/vQs+XOJ0xbO60yfrPS3aoy3Ls/2VzAh8dxNHVStZ2dWRTIBAFPDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:33.679008Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.05461","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68c273026777fefff2058139c23e7c21a152e3d8fcafd6eed39b3fa15bc6e3c2","sha256:132710c20107b99d9ac12d8bd80030e2617ee6294b1a7fef89c309e8b71d2e2a"],"state_sha256":"5417053422cf231f49b52d23b4f155772d31581caaa2bfa11efbf98936091934"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W4mXHtJ5sExKdSuv7IU9NH++FEF81nZ6sejm6rVtH9DnGu+oIquBDPlDOy/oINfcNG2i/ubboSPevZWb1qRtAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T15:27:32.578470Z","bundle_sha256":"bc80f00f60e7952d6f3d53517488e83d201360640dc987efbe7e818b8a9daa8c"}}