{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:U6QVUL6Z7F6PDCGUKCQI427MDE","short_pith_number":"pith:U6QVUL6Z","canonical_record":{"source":{"id":"1705.07459","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-21T15:14:10Z","cross_cats_sorted":[],"title_canon_sha256":"1f41f799c16ed1f4c6daecea95f93e3af02451dd9b18d5dcb73f2904fb6e1333","abstract_canon_sha256":"2fe68daa0866c05f151ed18330d2f051a300afef0a6b3ace2d10b2436ba68e8c"},"schema_version":"1.0"},"canonical_sha256":"a7a15a2fd9f97cf188d450a08e6bec191e10f9a23416de51cb5e2a31e272947f","source":{"kind":"arxiv","id":"1705.07459","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.07459","created_at":"2026-05-18T00:23:08Z"},{"alias_kind":"arxiv_version","alias_value":"1705.07459v2","created_at":"2026-05-18T00:23:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.07459","created_at":"2026-05-18T00:23:08Z"},{"alias_kind":"pith_short_12","alias_value":"U6QVUL6Z7F6P","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"U6QVUL6Z7F6PDCGU","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"U6QVUL6Z","created_at":"2026-05-18T12:31:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:U6QVUL6Z7F6PDCGUKCQI427MDE","target":"record","payload":{"canonical_record":{"source":{"id":"1705.07459","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-21T15:14:10Z","cross_cats_sorted":[],"title_canon_sha256":"1f41f799c16ed1f4c6daecea95f93e3af02451dd9b18d5dcb73f2904fb6e1333","abstract_canon_sha256":"2fe68daa0866c05f151ed18330d2f051a300afef0a6b3ace2d10b2436ba68e8c"},"schema_version":"1.0"},"canonical_sha256":"a7a15a2fd9f97cf188d450a08e6bec191e10f9a23416de51cb5e2a31e272947f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:23:08.915572Z","signature_b64":"JC//rDReubL3HmfDhaH0yFx3sEdKrI9LCvBGPxcEiItFva91fzZurCP96eab0838/rrOkC4tIIOQQfjlXCGkBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7a15a2fd9f97cf188d450a08e6bec191e10f9a23416de51cb5e2a31e272947f","last_reissued_at":"2026-05-18T00:23:08.914969Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:23:08.914969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.07459","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":"2026-05-18T00:23:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TssKsgMrz3KwtSraufFdDW0E+1VWEbG/JjDDL5Tf9Lqe4L6lDlSQgeI8ZQfvop/WeRG3Bd6T+RWj0GonFh11Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T17:09:07.466665Z"},"content_sha256":"1ecfd69b4d6fccd2b70bd25b361924603ed5fa09afaca6e3a804ba34cf90dd46","schema_version":"1.0","event_id":"sha256:1ecfd69b4d6fccd2b70bd25b361924603ed5fa09afaca6e3a804ba34cf90dd46"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:U6QVUL6Z7F6PDCGUKCQI427MDE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extracting the orbital axis from gravitational waves of precessing binary systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Hiroyuki Nakano, Koutarou Kyutoku, Kyohei Kawaguchi, Masaru Shibata","submitted_at":"2017-05-21T15:14:10Z","abstract_excerpt":"We present a new method for extracting the instantaneous orbital axis only from gravitational wave strains of precessing binary systems observed from a particular observer direction. This method enables us to reconstruct the co-precessing frame waveforms only from observed quantities for the ideal case that the signal-to-noise ratio is high enough to analyze the waveforms directly. Specifically, we do not assume knowledge of the time evolution of the instantaneous orbital axis and the co-precessing waveforms before analyzing the data in our method. We test and measure the accuracy of our metho"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.07459","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":"2026-05-18T00:23:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Is+kKIfU9jLG7kirx4SWjGc1XVQKWr3lof06Q2CED27Bpkxtwu5jA1mLem6SuMrHN21WeJsn9fb47ScDskVTBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T17:09:07.467141Z"},"content_sha256":"94f5fe1ef4b70121e5bae5339f8d53db3a2a4e06b2a4cd0729ee5d64a5c5b572","schema_version":"1.0","event_id":"sha256:94f5fe1ef4b70121e5bae5339f8d53db3a2a4e06b2a4cd0729ee5d64a5c5b572"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U6QVUL6Z7F6PDCGUKCQI427MDE/bundle.json","state_url":"https://pith.science/pith/U6QVUL6Z7F6PDCGUKCQI427MDE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U6QVUL6Z7F6PDCGUKCQI427MDE/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":"2026-08-11T17:09:07Z","links":{"resolver":"https://pith.science/pith/U6QVUL6Z7F6PDCGUKCQI427MDE","bundle":"https://pith.science/pith/U6QVUL6Z7F6PDCGUKCQI427MDE/bundle.json","state":"https://pith.science/pith/U6QVUL6Z7F6PDCGUKCQI427MDE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U6QVUL6Z7F6PDCGUKCQI427MDE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:U6QVUL6Z7F6PDCGUKCQI427MDE","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":"2fe68daa0866c05f151ed18330d2f051a300afef0a6b3ace2d10b2436ba68e8c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-21T15:14:10Z","title_canon_sha256":"1f41f799c16ed1f4c6daecea95f93e3af02451dd9b18d5dcb73f2904fb6e1333"},"schema_version":"1.0","source":{"id":"1705.07459","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.07459","created_at":"2026-05-18T00:23:08Z"},{"alias_kind":"arxiv_version","alias_value":"1705.07459v2","created_at":"2026-05-18T00:23:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.07459","created_at":"2026-05-18T00:23:08Z"},{"alias_kind":"pith_short_12","alias_value":"U6QVUL6Z7F6P","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"U6QVUL6Z7F6PDCGU","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"U6QVUL6Z","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:94f5fe1ef4b70121e5bae5339f8d53db3a2a4e06b2a4cd0729ee5d64a5c5b572","target":"graph","created_at":"2026-05-18T00:23:08Z","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":"We present a new method for extracting the instantaneous orbital axis only from gravitational wave strains of precessing binary systems observed from a particular observer direction. This method enables us to reconstruct the co-precessing frame waveforms only from observed quantities for the ideal case that the signal-to-noise ratio is high enough to analyze the waveforms directly. Specifically, we do not assume knowledge of the time evolution of the instantaneous orbital axis and the co-precessing waveforms before analyzing the data in our method. We test and measure the accuracy of our metho","authors_text":"Hiroyuki Nakano, Koutarou Kyutoku, Kyohei Kawaguchi, Masaru Shibata","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-21T15:14:10Z","title":"Extracting the orbital axis from gravitational waves of precessing binary systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.07459","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":"sha256:1ecfd69b4d6fccd2b70bd25b361924603ed5fa09afaca6e3a804ba34cf90dd46","target":"record","created_at":"2026-05-18T00:23:08Z","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":"2fe68daa0866c05f151ed18330d2f051a300afef0a6b3ace2d10b2436ba68e8c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-21T15:14:10Z","title_canon_sha256":"1f41f799c16ed1f4c6daecea95f93e3af02451dd9b18d5dcb73f2904fb6e1333"},"schema_version":"1.0","source":{"id":"1705.07459","kind":"arxiv","version":2}},"canonical_sha256":"a7a15a2fd9f97cf188d450a08e6bec191e10f9a23416de51cb5e2a31e272947f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7a15a2fd9f97cf188d450a08e6bec191e10f9a23416de51cb5e2a31e272947f","first_computed_at":"2026-05-18T00:23:08.914969Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:23:08.914969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JC//rDReubL3HmfDhaH0yFx3sEdKrI9LCvBGPxcEiItFva91fzZurCP96eab0838/rrOkC4tIIOQQfjlXCGkBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:23:08.915572Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.07459","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1ecfd69b4d6fccd2b70bd25b361924603ed5fa09afaca6e3a804ba34cf90dd46","sha256:94f5fe1ef4b70121e5bae5339f8d53db3a2a4e06b2a4cd0729ee5d64a5c5b572"],"state_sha256":"78f7e0ccbeb3337888e3b7fb2b521b3c1c312efdff4effd84ee76f0be94b77a6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X6vrnaElDh/c8rKAeet/TvGhlx9eX53mvJ/TG+dHgYaa0LtM7UI7USKyy71zl/N/dtEic7DadlSwTM33ZgftCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T17:09:07.472478Z","bundle_sha256":"dd0744bcd4cdd5c89643bf5ada68aeb530cb2e1b9160a76f7c2087d7428dfb19"}}