{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:AFICQEAKY5ZTTQKAGIYOOYTN34","short_pith_number":"pith:AFICQEAK","canonical_record":{"source":{"id":"1805.00482","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-05-01T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"23459b330648f1a22d64231f30542738d7c9a58a9c9eccbd5724f838a4cde063","abstract_canon_sha256":"e9aabf944a3c735c0d40cf13b93294ef6134ed4cd97080b44b6a574901a85a0f"},"schema_version":"1.0"},"canonical_sha256":"015028100ac77339c1403230e7626ddf0fab61616ad501a40285de850833e908","source":{"kind":"arxiv","id":"1805.00482","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.00482","created_at":"2026-05-18T00:12:17Z"},{"alias_kind":"arxiv_version","alias_value":"1805.00482v2","created_at":"2026-05-18T00:12:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.00482","created_at":"2026-05-18T00:12:17Z"},{"alias_kind":"pith_short_12","alias_value":"AFICQEAKY5ZT","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"AFICQEAKY5ZTTQKA","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"AFICQEAK","created_at":"2026-05-18T12:32:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:AFICQEAKY5ZTTQKAGIYOOYTN34","target":"record","payload":{"canonical_record":{"source":{"id":"1805.00482","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-05-01T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"23459b330648f1a22d64231f30542738d7c9a58a9c9eccbd5724f838a4cde063","abstract_canon_sha256":"e9aabf944a3c735c0d40cf13b93294ef6134ed4cd97080b44b6a574901a85a0f"},"schema_version":"1.0"},"canonical_sha256":"015028100ac77339c1403230e7626ddf0fab61616ad501a40285de850833e908","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:12:17.174152Z","signature_b64":"fY1xnQw/u8uGz2OAB3sXlEELlY9tQ0FI7DqHITzdMx2I0JmtWsmBUFlXUu5ptyee5IWaBSA0LHkolszq3/RODw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"015028100ac77339c1403230e7626ddf0fab61616ad501a40285de850833e908","last_reissued_at":"2026-05-18T00:12:17.173411Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:12:17.173411Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.00482","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":"2026-05-18T00:12:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"roBZYWNYAS0JcFhe9OY6K6Bq7vEKWuCNgUulXWhoVcaAH1BZtey8fhMKQaRQ3Gp55/NjqAfZIniKmKCkMwjsBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:38:43.865663Z"},"content_sha256":"f8644c9c36e3936e41a84a0caffc28b95f6872478f928391284199604bea40d0","schema_version":"1.0","event_id":"sha256:f8644c9c36e3936e41a84a0caffc28b95f6872478f928391284199604bea40d0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:AFICQEAKY5ZTTQKAGIYOOYTN34","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"LISA verification binaries with updated distances from Gaia Data Release 2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"D. T. H Steeghs, E. M. Rossi, G. Nelemans, G. Ramsay, P. J. Groot, S. Shah, T. Kupfer, T. R. Marsh, V. Korol","submitted_at":"2018-05-01T18:00:01Z","abstract_excerpt":"Ultracompact binaries with orbital periods less than a few hours will dominate the gravitational wave signal in the mHz regime. Until recently, 10 systems were expected have a predicted gravitational wave signal strong enough to be detectable by the Laser Interferometer Space Antenna (LISA), the so-called `verification binaries'. System parameters, including distances, are needed to provide an accurate prediction of the expected gravitational wave strength to be measured by LISA. Using parallaxes from {\\sl Gaia} Data Release 2 we calculate signal-to-noise ratios (SNR) for $\\approx$50 verificat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.00482","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":"2026-05-18T00:12:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D23yq94TVs3pngaYCkuZRisNUw2iOCdBranDC8C+TW7/x+3MqHyMn1SK8mF0NRZawTwqQRPr6igNKEpAaPRNDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:38:43.866014Z"},"content_sha256":"f4eea98f876bf30cc4f4eb057a25f9d445611d185f9fe8578d2c7b2a148bb876","schema_version":"1.0","event_id":"sha256:f4eea98f876bf30cc4f4eb057a25f9d445611d185f9fe8578d2c7b2a148bb876"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AFICQEAKY5ZTTQKAGIYOOYTN34/bundle.json","state_url":"https://pith.science/pith/AFICQEAKY5ZTTQKAGIYOOYTN34/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AFICQEAKY5ZTTQKAGIYOOYTN34/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":"2026-05-28T11:38:43Z","links":{"resolver":"https://pith.science/pith/AFICQEAKY5ZTTQKAGIYOOYTN34","bundle":"https://pith.science/pith/AFICQEAKY5ZTTQKAGIYOOYTN34/bundle.json","state":"https://pith.science/pith/AFICQEAKY5ZTTQKAGIYOOYTN34/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AFICQEAKY5ZTTQKAGIYOOYTN34/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:AFICQEAKY5ZTTQKAGIYOOYTN34","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":"e9aabf944a3c735c0d40cf13b93294ef6134ed4cd97080b44b6a574901a85a0f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-05-01T18:00:01Z","title_canon_sha256":"23459b330648f1a22d64231f30542738d7c9a58a9c9eccbd5724f838a4cde063"},"schema_version":"1.0","source":{"id":"1805.00482","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.00482","created_at":"2026-05-18T00:12:17Z"},{"alias_kind":"arxiv_version","alias_value":"1805.00482v2","created_at":"2026-05-18T00:12:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.00482","created_at":"2026-05-18T00:12:17Z"},{"alias_kind":"pith_short_12","alias_value":"AFICQEAKY5ZT","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"AFICQEAKY5ZTTQKA","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"AFICQEAK","created_at":"2026-05-18T12:32:13Z"}],"graph_snapshots":[{"event_id":"sha256:f4eea98f876bf30cc4f4eb057a25f9d445611d185f9fe8578d2c7b2a148bb876","target":"graph","created_at":"2026-05-18T00:12:17Z","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":"Ultracompact binaries with orbital periods less than a few hours will dominate the gravitational wave signal in the mHz regime. Until recently, 10 systems were expected have a predicted gravitational wave signal strong enough to be detectable by the Laser Interferometer Space Antenna (LISA), the so-called `verification binaries'. System parameters, including distances, are needed to provide an accurate prediction of the expected gravitational wave strength to be measured by LISA. Using parallaxes from {\\sl Gaia} Data Release 2 we calculate signal-to-noise ratios (SNR) for $\\approx$50 verificat","authors_text":"D. T. H Steeghs, E. M. Rossi, G. Nelemans, G. Ramsay, P. J. Groot, S. Shah, T. Kupfer, T. R. Marsh, V. Korol","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-05-01T18:00:01Z","title":"LISA verification binaries with updated distances from Gaia Data Release 2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.00482","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:f8644c9c36e3936e41a84a0caffc28b95f6872478f928391284199604bea40d0","target":"record","created_at":"2026-05-18T00:12:17Z","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":"e9aabf944a3c735c0d40cf13b93294ef6134ed4cd97080b44b6a574901a85a0f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-05-01T18:00:01Z","title_canon_sha256":"23459b330648f1a22d64231f30542738d7c9a58a9c9eccbd5724f838a4cde063"},"schema_version":"1.0","source":{"id":"1805.00482","kind":"arxiv","version":2}},"canonical_sha256":"015028100ac77339c1403230e7626ddf0fab61616ad501a40285de850833e908","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"015028100ac77339c1403230e7626ddf0fab61616ad501a40285de850833e908","first_computed_at":"2026-05-18T00:12:17.173411Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:12:17.173411Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fY1xnQw/u8uGz2OAB3sXlEELlY9tQ0FI7DqHITzdMx2I0JmtWsmBUFlXUu5ptyee5IWaBSA0LHkolszq3/RODw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:12:17.174152Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.00482","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f8644c9c36e3936e41a84a0caffc28b95f6872478f928391284199604bea40d0","sha256:f4eea98f876bf30cc4f4eb057a25f9d445611d185f9fe8578d2c7b2a148bb876"],"state_sha256":"3a039fb204f36cc57fe6d53d3d6d4bb1a70fbc5c73141ddc13b22a1eeec2626c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AuJavsltaj/sMhytB/ta/GHtN/E97S97H0PHciY6Mx4nNuEMKn0eP6qdQAyb6Iepn0ZWuLpN6gqGB1gyWJ2mCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T11:38:43.868089Z","bundle_sha256":"f5a9f2c20126f973fcf3bdec96c1e041ae73a2fc2c5fd267f1d7120dbb83a711"}}