{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:5NQ3WR5O2IWSA74M4WGTW7IHRU","short_pith_number":"pith:5NQ3WR5O","canonical_record":{"source":{"id":"1203.0093","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-03-01T05:14:08Z","cross_cats_sorted":[],"title_canon_sha256":"d99f865316bfede6d05ff48af4aba052f0720ee18eb4978b828b7d9663d4c2d9","abstract_canon_sha256":"cd3be4e3a2ec4c2cff51dddf9a49ca61c7cec0fd7219a1ebecdacd73bac2982b"},"schema_version":"1.0"},"canonical_sha256":"eb61bb47aed22d207f8ce58d3b7d078d22e233f0d50775199b5b30da8b56eca8","source":{"kind":"arxiv","id":"1203.0093","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.0093","created_at":"2026-05-18T01:58:17Z"},{"alias_kind":"arxiv_version","alias_value":"1203.0093v1","created_at":"2026-05-18T01:58:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.0093","created_at":"2026-05-18T01:58:17Z"},{"alias_kind":"pith_short_12","alias_value":"5NQ3WR5O2IWS","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5NQ3WR5O2IWSA74M","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5NQ3WR5O","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:5NQ3WR5O2IWSA74M4WGTW7IHRU","target":"record","payload":{"canonical_record":{"source":{"id":"1203.0093","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-03-01T05:14:08Z","cross_cats_sorted":[],"title_canon_sha256":"d99f865316bfede6d05ff48af4aba052f0720ee18eb4978b828b7d9663d4c2d9","abstract_canon_sha256":"cd3be4e3a2ec4c2cff51dddf9a49ca61c7cec0fd7219a1ebecdacd73bac2982b"},"schema_version":"1.0"},"canonical_sha256":"eb61bb47aed22d207f8ce58d3b7d078d22e233f0d50775199b5b30da8b56eca8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:17.976294Z","signature_b64":"R9dLsKIgQuQL27BflYjWYGmwEzL761lgrOvOdH9zlwZrhgv0XDFLTdecg4XdpP/EKeUQB69go478pTR2FDDmBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb61bb47aed22d207f8ce58d3b7d078d22e233f0d50775199b5b30da8b56eca8","last_reissued_at":"2026-05-18T01:58:17.975687Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:17.975687Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.0093","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":"2026-05-18T01:58:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P1Yy+lV2FBQqt+y+JFAKroCxahtmLBpCP/laMzEqVfZ0VnP9yVXLMr1HeMdGjT0OmQSCmjeO02sqVELeHtM7AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T06:39:50.401499Z"},"content_sha256":"83fc02eaa96c04fe7ed80f8590ff3d43170a8c2daf2a09a8bc432b5bd3a1e847","schema_version":"1.0","event_id":"sha256:83fc02eaa96c04fe7ed80f8590ff3d43170a8c2daf2a09a8bc432b5bd3a1e847"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:5NQ3WR5O2IWSA74M4WGTW7IHRU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Search for Electromagnetic Counterparts to LIGO-Virgo Candidates: Expanded Very Large Array","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"F. A. Jenet (UTB), Joseph Lazio (JPL/CIT), Katie Keating (NRC-NRL), N. E. Kassim (NRL), The LIGO Scientific Collaboration, the Virgo Collaboration","submitted_at":"2012-03-01T05:14:08Z","abstract_excerpt":"This paper summarizes a search for radio wavelength counterparts to candidate gravitational wave events. The identification of an electromagnetic counterpart could provide a more complete understanding of a gravitational wave event, including such characteristics as the location and the nature of the progenitor. We used the Expanded Very Large Array (EVLA) to search six galaxies which were identified as potential hosts for two candidate gravitational wave events. We summarize our procedures and discuss preliminary results."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.0093","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":"2026-05-18T01:58:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oOv2aZHHN4Y1G4PWPBfWbHCkjs+S69CsapOidB47VVhRBuK+bVS1z1XcfLOoHkfxYdNV8bd4HkR6HR4G6Vs/Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T06:39:50.402208Z"},"content_sha256":"db435743cb60eb0d8eac0c6323c8b29782c2242bfb338944655f36d419b71f54","schema_version":"1.0","event_id":"sha256:db435743cb60eb0d8eac0c6323c8b29782c2242bfb338944655f36d419b71f54"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5NQ3WR5O2IWSA74M4WGTW7IHRU/bundle.json","state_url":"https://pith.science/pith/5NQ3WR5O2IWSA74M4WGTW7IHRU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5NQ3WR5O2IWSA74M4WGTW7IHRU/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":"2026-06-06T06:39:50Z","links":{"resolver":"https://pith.science/pith/5NQ3WR5O2IWSA74M4WGTW7IHRU","bundle":"https://pith.science/pith/5NQ3WR5O2IWSA74M4WGTW7IHRU/bundle.json","state":"https://pith.science/pith/5NQ3WR5O2IWSA74M4WGTW7IHRU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5NQ3WR5O2IWSA74M4WGTW7IHRU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:5NQ3WR5O2IWSA74M4WGTW7IHRU","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":"cd3be4e3a2ec4c2cff51dddf9a49ca61c7cec0fd7219a1ebecdacd73bac2982b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-03-01T05:14:08Z","title_canon_sha256":"d99f865316bfede6d05ff48af4aba052f0720ee18eb4978b828b7d9663d4c2d9"},"schema_version":"1.0","source":{"id":"1203.0093","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.0093","created_at":"2026-05-18T01:58:17Z"},{"alias_kind":"arxiv_version","alias_value":"1203.0093v1","created_at":"2026-05-18T01:58:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.0093","created_at":"2026-05-18T01:58:17Z"},{"alias_kind":"pith_short_12","alias_value":"5NQ3WR5O2IWS","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5NQ3WR5O2IWSA74M","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5NQ3WR5O","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:db435743cb60eb0d8eac0c6323c8b29782c2242bfb338944655f36d419b71f54","target":"graph","created_at":"2026-05-18T01:58:17Z","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":"This paper summarizes a search for radio wavelength counterparts to candidate gravitational wave events. The identification of an electromagnetic counterpart could provide a more complete understanding of a gravitational wave event, including such characteristics as the location and the nature of the progenitor. We used the Expanded Very Large Array (EVLA) to search six galaxies which were identified as potential hosts for two candidate gravitational wave events. We summarize our procedures and discuss preliminary results.","authors_text":"F. A. Jenet (UTB), Joseph Lazio (JPL/CIT), Katie Keating (NRC-NRL), N. E. Kassim (NRL), The LIGO Scientific Collaboration, the Virgo Collaboration","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-03-01T05:14:08Z","title":"Search for Electromagnetic Counterparts to LIGO-Virgo Candidates: Expanded Very Large Array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.0093","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":"sha256:83fc02eaa96c04fe7ed80f8590ff3d43170a8c2daf2a09a8bc432b5bd3a1e847","target":"record","created_at":"2026-05-18T01:58:17Z","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":"cd3be4e3a2ec4c2cff51dddf9a49ca61c7cec0fd7219a1ebecdacd73bac2982b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-03-01T05:14:08Z","title_canon_sha256":"d99f865316bfede6d05ff48af4aba052f0720ee18eb4978b828b7d9663d4c2d9"},"schema_version":"1.0","source":{"id":"1203.0093","kind":"arxiv","version":1}},"canonical_sha256":"eb61bb47aed22d207f8ce58d3b7d078d22e233f0d50775199b5b30da8b56eca8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb61bb47aed22d207f8ce58d3b7d078d22e233f0d50775199b5b30da8b56eca8","first_computed_at":"2026-05-18T01:58:17.975687Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:17.975687Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R9dLsKIgQuQL27BflYjWYGmwEzL761lgrOvOdH9zlwZrhgv0XDFLTdecg4XdpP/EKeUQB69go478pTR2FDDmBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:17.976294Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.0093","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:83fc02eaa96c04fe7ed80f8590ff3d43170a8c2daf2a09a8bc432b5bd3a1e847","sha256:db435743cb60eb0d8eac0c6323c8b29782c2242bfb338944655f36d419b71f54"],"state_sha256":"47e4d53f0a299155f4f49cedb0e31dee39cd805169bcf699dfeaf1740bb49593"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9sXH+uuptVn4XH7YaJrXyRb2PoLE+iDwxHnTWP54LWD0pX0NT3k9DYc9Ci9bSv8S5L5nPW0SIsrzL+6422X7BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T06:39:50.406093Z","bundle_sha256":"b4980005f9211cd7e9cee51415b3dd5783e4d35315417eb998ff9c7e80841eec"}}