{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:N7DXDMS4TA5DNI4GXAF6W6SETD","short_pith_number":"pith:N7DXDMS4","canonical_record":{"source":{"id":"1704.05851","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-04-19T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"e14273fa98cf842f506d4b85dbee8671648a4af64db9b3e852fa942844093aa3","abstract_canon_sha256":"46f2923e82b63456bd189ada918286d4d6e99cec19cb6ba71d59cae09308418b"},"schema_version":"1.0"},"canonical_sha256":"6fc771b25c983a36a386b80beb7a4498fb19e35f392e3ffc587fc1385720f034","source":{"kind":"arxiv","id":"1704.05851","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.05851","created_at":"2026-05-18T00:35:04Z"},{"alias_kind":"arxiv_version","alias_value":"1704.05851v3","created_at":"2026-05-18T00:35:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.05851","created_at":"2026-05-18T00:35:04Z"},{"alias_kind":"pith_short_12","alias_value":"N7DXDMS4TA5D","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"N7DXDMS4TA5DNI4G","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"N7DXDMS4","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:N7DXDMS4TA5DNI4GXAF6W6SETD","target":"record","payload":{"canonical_record":{"source":{"id":"1704.05851","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-04-19T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"e14273fa98cf842f506d4b85dbee8671648a4af64db9b3e852fa942844093aa3","abstract_canon_sha256":"46f2923e82b63456bd189ada918286d4d6e99cec19cb6ba71d59cae09308418b"},"schema_version":"1.0"},"canonical_sha256":"6fc771b25c983a36a386b80beb7a4498fb19e35f392e3ffc587fc1385720f034","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:04.400032Z","signature_b64":"TBQaza8jJiBzvW8HkzVzcVZfOLqFaCPsuORcWtCwzaJ9y4R9jUAP1l1gIisdxTg8UUvhogvVSW4Aqh7vdiheBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6fc771b25c983a36a386b80beb7a4498fb19e35f392e3ffc587fc1385720f034","last_reissued_at":"2026-05-18T00:35:04.399299Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:04.399299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.05851","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:35:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vpK7ZfELlt0jgktf/tl8YOArW2HS3OtYwvWVrYd1Q+TLviV/+AdxDhU9m5U0gBOCk64u6YR2/UFZdNMutw6cBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:39:21.313617Z"},"content_sha256":"bb0abd52024b6727b1513e159f2c0cb24bcd7f711ef5a14b10d20ab7619ba963","schema_version":"1.0","event_id":"sha256:bb0abd52024b6727b1513e159f2c0cb24bcd7f711ef5a14b10d20ab7619ba963"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:N7DXDMS4TA5DNI4GXAF6W6SETD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Where and when: optimal scheduling of the electromagnetic follow-up of gravitational-wave events based on counterpart lightcurve models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Eric Chassande-Mottin, Gabriele Ghisellini, Giancarlo Ghirlanda, Marica Branchesi, Monica Colpi, Om S. Salafia, Susanna Vergani","submitted_at":"2017-04-19T18:00:02Z","abstract_excerpt":"The electromagnetic (EM) follow-up of a gravitational wave (GW) event requires to scan a wide sky region, defined by the so called \"skymap\", for the detection and identification of a transient counterpart. We propose a novel method that exploits information encoded in the GW signal to construct a \"detectability map\", which represents the time-dependent (\"when\") probability to detect the transient at each position of the skymap (\"where\"). Focusing on the case of a neutron star binary inspiral, we model the associated short gamma-ray burst afterglow and macronova emission, using the probability "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.05851","kind":"arxiv","version":3},"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":"2026-05-18T00:35:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XFyVl/c0uSTVEdPP0wolnbpLfULUlGXg6W9OKcVcWmIhjqmyCPrjF38ybB5M51vz0akcwZyxym1rKIouY2vxCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:39:21.314282Z"},"content_sha256":"65fc26e05145b5ca605a143fb46c86cb4915ebfb92936b95b21d07d5a21ea289","schema_version":"1.0","event_id":"sha256:65fc26e05145b5ca605a143fb46c86cb4915ebfb92936b95b21d07d5a21ea289"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N7DXDMS4TA5DNI4GXAF6W6SETD/bundle.json","state_url":"https://pith.science/pith/N7DXDMS4TA5DNI4GXAF6W6SETD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N7DXDMS4TA5DNI4GXAF6W6SETD/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":"2026-05-25T21:39:21Z","links":{"resolver":"https://pith.science/pith/N7DXDMS4TA5DNI4GXAF6W6SETD","bundle":"https://pith.science/pith/N7DXDMS4TA5DNI4GXAF6W6SETD/bundle.json","state":"https://pith.science/pith/N7DXDMS4TA5DNI4GXAF6W6SETD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N7DXDMS4TA5DNI4GXAF6W6SETD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:N7DXDMS4TA5DNI4GXAF6W6SETD","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":"46f2923e82b63456bd189ada918286d4d6e99cec19cb6ba71d59cae09308418b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-04-19T18:00:02Z","title_canon_sha256":"e14273fa98cf842f506d4b85dbee8671648a4af64db9b3e852fa942844093aa3"},"schema_version":"1.0","source":{"id":"1704.05851","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.05851","created_at":"2026-05-18T00:35:04Z"},{"alias_kind":"arxiv_version","alias_value":"1704.05851v3","created_at":"2026-05-18T00:35:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.05851","created_at":"2026-05-18T00:35:04Z"},{"alias_kind":"pith_short_12","alias_value":"N7DXDMS4TA5D","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"N7DXDMS4TA5DNI4G","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"N7DXDMS4","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:65fc26e05145b5ca605a143fb46c86cb4915ebfb92936b95b21d07d5a21ea289","target":"graph","created_at":"2026-05-18T00:35:04Z","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 electromagnetic (EM) follow-up of a gravitational wave (GW) event requires to scan a wide sky region, defined by the so called \"skymap\", for the detection and identification of a transient counterpart. We propose a novel method that exploits information encoded in the GW signal to construct a \"detectability map\", which represents the time-dependent (\"when\") probability to detect the transient at each position of the skymap (\"where\"). Focusing on the case of a neutron star binary inspiral, we model the associated short gamma-ray burst afterglow and macronova emission, using the probability ","authors_text":"Eric Chassande-Mottin, Gabriele Ghisellini, Giancarlo Ghirlanda, Marica Branchesi, Monica Colpi, Om S. Salafia, Susanna Vergani","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-04-19T18:00:02Z","title":"Where and when: optimal scheduling of the electromagnetic follow-up of gravitational-wave events based on counterpart lightcurve models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.05851","kind":"arxiv","version":3},"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:bb0abd52024b6727b1513e159f2c0cb24bcd7f711ef5a14b10d20ab7619ba963","target":"record","created_at":"2026-05-18T00:35:04Z","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":"46f2923e82b63456bd189ada918286d4d6e99cec19cb6ba71d59cae09308418b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-04-19T18:00:02Z","title_canon_sha256":"e14273fa98cf842f506d4b85dbee8671648a4af64db9b3e852fa942844093aa3"},"schema_version":"1.0","source":{"id":"1704.05851","kind":"arxiv","version":3}},"canonical_sha256":"6fc771b25c983a36a386b80beb7a4498fb19e35f392e3ffc587fc1385720f034","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6fc771b25c983a36a386b80beb7a4498fb19e35f392e3ffc587fc1385720f034","first_computed_at":"2026-05-18T00:35:04.399299Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:35:04.399299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TBQaza8jJiBzvW8HkzVzcVZfOLqFaCPsuORcWtCwzaJ9y4R9jUAP1l1gIisdxTg8UUvhogvVSW4Aqh7vdiheBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:35:04.400032Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.05851","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bb0abd52024b6727b1513e159f2c0cb24bcd7f711ef5a14b10d20ab7619ba963","sha256:65fc26e05145b5ca605a143fb46c86cb4915ebfb92936b95b21d07d5a21ea289"],"state_sha256":"7bf7cfdc53c8611aed6c7e40b62072a203b3665e325c5c07d1a0be9ed03520e4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XJvhMcSTzip6rg3LQ5HbcCxV+BF3zBlA8xa+CuEGfcHtozdO1yh0HNbZ7OUxV0hy8xAioNOcN2Q516uLdqmTBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:39:21.317925Z","bundle_sha256":"f2a7e0a93a456b848016da16445203ce601eb0139a06f35133eb81c6f85c6783"}}