{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:VNXNKJ5FENAE6VPIETXE6FX5CX","short_pith_number":"pith:VNXNKJ5F","canonical_record":{"source":{"id":"1802.01696","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-02-05T21:19:30Z","cross_cats_sorted":[],"title_canon_sha256":"6b8462559ff8a128899c038b448b80c3cbe6ce1cb1bf2afe23b3c9efafc0042e","abstract_canon_sha256":"27864d71c5627fe8b2b8b3468cbca7df8e045f206fe81c325ffcea929997445b"},"schema_version":"1.0"},"canonical_sha256":"ab6ed527a523404f55e824ee4f16fd15da77625cf704dec101f7e1da6baf0787","source":{"kind":"arxiv","id":"1802.01696","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.01696","created_at":"2026-05-18T00:24:21Z"},{"alias_kind":"arxiv_version","alias_value":"1802.01696v1","created_at":"2026-05-18T00:24:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.01696","created_at":"2026-05-18T00:24:21Z"},{"alias_kind":"pith_short_12","alias_value":"VNXNKJ5FENAE","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VNXNKJ5FENAE6VPI","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VNXNKJ5F","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:VNXNKJ5FENAE6VPIETXE6FX5CX","target":"record","payload":{"canonical_record":{"source":{"id":"1802.01696","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-02-05T21:19:30Z","cross_cats_sorted":[],"title_canon_sha256":"6b8462559ff8a128899c038b448b80c3cbe6ce1cb1bf2afe23b3c9efafc0042e","abstract_canon_sha256":"27864d71c5627fe8b2b8b3468cbca7df8e045f206fe81c325ffcea929997445b"},"schema_version":"1.0"},"canonical_sha256":"ab6ed527a523404f55e824ee4f16fd15da77625cf704dec101f7e1da6baf0787","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:21.557048Z","signature_b64":"s8lfqbEltXudfx8KsTkLgqOI7NQXSoE+P3LLnJIK/jghLAunXp3W53ehbJyOh4gDE+6dqwCvLSisVPsgufznCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab6ed527a523404f55e824ee4f16fd15da77625cf704dec101f7e1da6baf0787","last_reissued_at":"2026-05-18T00:24:21.556377Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:21.556377Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.01696","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":"2026-05-18T00:24:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K2RAyi9N6lx/zoktddm4E6+vy2yeRtyOw7hTLrY5RpjFMVQB/jbG6yz4SXoreEswklLEY8KDqEOYCputIVpMBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T23:05:53.184423Z"},"content_sha256":"08b0c49fc854fa18ecdf79b0a15ae5f8d60711bb194f1125b2b876cebbb41927","schema_version":"1.0","event_id":"sha256:08b0c49fc854fa18ecdf79b0a15ae5f8d60711bb194f1125b2b876cebbb41927"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:VNXNKJ5FENAE6VPIETXE6FX5CX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A multi-messenger analysis of neutron star mergers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alessandro Drago, Giuseppe Pagliara, Silvia Traversi","submitted_at":"2018-02-05T21:19:30Z","abstract_excerpt":"The merger of two neutron stars is a very complex process. In order to disentangle the various steps through which it takes place it is mandatory to examine all the signals we can detect: gravitational waves and electromagnetic waves, in a huge spectrum ranging from X and $\\gamma$-rays down to infrared and radio. Each of these signals provides a message and the totality of this information will allow us not only to understand the process of the merger but also the behavior of matter at those extreme conditions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.01696","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":"2026-05-18T00:24:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"In6ZnNo6ZLimcdqKh/CjW8cWfUQzHaHYsAO54CWtmm4f32rKneLvDA6i7KLbFcZ+q0/DxPA9/D1qJngmpkzyBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T23:05:53.185087Z"},"content_sha256":"f948dfb4ca6188a4eacbe6e152d6419fd893293a808b22cd67d19c85cc089f1a","schema_version":"1.0","event_id":"sha256:f948dfb4ca6188a4eacbe6e152d6419fd893293a808b22cd67d19c85cc089f1a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VNXNKJ5FENAE6VPIETXE6FX5CX/bundle.json","state_url":"https://pith.science/pith/VNXNKJ5FENAE6VPIETXE6FX5CX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VNXNKJ5FENAE6VPIETXE6FX5CX/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":"2026-06-04T23:05:53Z","links":{"resolver":"https://pith.science/pith/VNXNKJ5FENAE6VPIETXE6FX5CX","bundle":"https://pith.science/pith/VNXNKJ5FENAE6VPIETXE6FX5CX/bundle.json","state":"https://pith.science/pith/VNXNKJ5FENAE6VPIETXE6FX5CX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VNXNKJ5FENAE6VPIETXE6FX5CX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VNXNKJ5FENAE6VPIETXE6FX5CX","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":"27864d71c5627fe8b2b8b3468cbca7df8e045f206fe81c325ffcea929997445b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-02-05T21:19:30Z","title_canon_sha256":"6b8462559ff8a128899c038b448b80c3cbe6ce1cb1bf2afe23b3c9efafc0042e"},"schema_version":"1.0","source":{"id":"1802.01696","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.01696","created_at":"2026-05-18T00:24:21Z"},{"alias_kind":"arxiv_version","alias_value":"1802.01696v1","created_at":"2026-05-18T00:24:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.01696","created_at":"2026-05-18T00:24:21Z"},{"alias_kind":"pith_short_12","alias_value":"VNXNKJ5FENAE","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VNXNKJ5FENAE6VPI","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VNXNKJ5F","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:f948dfb4ca6188a4eacbe6e152d6419fd893293a808b22cd67d19c85cc089f1a","target":"graph","created_at":"2026-05-18T00:24:21Z","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 merger of two neutron stars is a very complex process. In order to disentangle the various steps through which it takes place it is mandatory to examine all the signals we can detect: gravitational waves and electromagnetic waves, in a huge spectrum ranging from X and $\\gamma$-rays down to infrared and radio. Each of these signals provides a message and the totality of this information will allow us not only to understand the process of the merger but also the behavior of matter at those extreme conditions.","authors_text":"Alessandro Drago, Giuseppe Pagliara, Silvia Traversi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-02-05T21:19:30Z","title":"A multi-messenger analysis of neutron star mergers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.01696","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":"sha256:08b0c49fc854fa18ecdf79b0a15ae5f8d60711bb194f1125b2b876cebbb41927","target":"record","created_at":"2026-05-18T00:24:21Z","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":"27864d71c5627fe8b2b8b3468cbca7df8e045f206fe81c325ffcea929997445b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-02-05T21:19:30Z","title_canon_sha256":"6b8462559ff8a128899c038b448b80c3cbe6ce1cb1bf2afe23b3c9efafc0042e"},"schema_version":"1.0","source":{"id":"1802.01696","kind":"arxiv","version":1}},"canonical_sha256":"ab6ed527a523404f55e824ee4f16fd15da77625cf704dec101f7e1da6baf0787","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab6ed527a523404f55e824ee4f16fd15da77625cf704dec101f7e1da6baf0787","first_computed_at":"2026-05-18T00:24:21.556377Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:24:21.556377Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s8lfqbEltXudfx8KsTkLgqOI7NQXSoE+P3LLnJIK/jghLAunXp3W53ehbJyOh4gDE+6dqwCvLSisVPsgufznCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:24:21.557048Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.01696","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:08b0c49fc854fa18ecdf79b0a15ae5f8d60711bb194f1125b2b876cebbb41927","sha256:f948dfb4ca6188a4eacbe6e152d6419fd893293a808b22cd67d19c85cc089f1a"],"state_sha256":"4971428878188201dda43d22c2e1268fe00b0eedaeeb4484297b337cc78c7b1f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h9Vd4bCoJPe4mymP4C+JCLle4hnsls8CF1sXtWmLEw4glJ/F5wLMBY6IHvyTV6CAHvR4qSc4IFkt+Db2XHbgAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T23:05:53.188690Z","bundle_sha256":"331359a8c3daf759e708b688cab4f97431c75c322ca2ce6555072701a684050a"}}