{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:UYYKHL7CKA65SSIQLVHSGWNU46","short_pith_number":"pith:UYYKHL7C","canonical_record":{"source":{"id":"1201.1739","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2012-01-09T11:31:14Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"4fe454455440e74b8d0fb2a67d95fc34efd50c1d757839d0a38c4b2d87a29e5f","abstract_canon_sha256":"9ff994dfac9b02e54d1dfe88c5c259e1ebb8f36a475e873b9a238ac89016d7c8"},"schema_version":"1.0"},"canonical_sha256":"a630a3afe2503dd949105d4f2359b4e792c97ebae079757dd8644d620a8c28ea","source":{"kind":"arxiv","id":"1201.1739","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.1739","created_at":"2026-05-18T01:58:54Z"},{"alias_kind":"arxiv_version","alias_value":"1201.1739v1","created_at":"2026-05-18T01:58:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.1739","created_at":"2026-05-18T01:58:54Z"},{"alias_kind":"pith_short_12","alias_value":"UYYKHL7CKA65","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"UYYKHL7CKA65SSIQ","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"UYYKHL7C","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:UYYKHL7CKA65SSIQLVHSGWNU46","target":"record","payload":{"canonical_record":{"source":{"id":"1201.1739","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2012-01-09T11:31:14Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"4fe454455440e74b8d0fb2a67d95fc34efd50c1d757839d0a38c4b2d87a29e5f","abstract_canon_sha256":"9ff994dfac9b02e54d1dfe88c5c259e1ebb8f36a475e873b9a238ac89016d7c8"},"schema_version":"1.0"},"canonical_sha256":"a630a3afe2503dd949105d4f2359b4e792c97ebae079757dd8644d620a8c28ea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:54.144669Z","signature_b64":"gNluW5iy9xAGZikAMeZGzxru+KvBv5U4q2PvN+t5TsO3ZN6k4nmCrC6XE3OcLzCCkf48m9+1SiZkMlWxfVemDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a630a3afe2503dd949105d4f2359b4e792c97ebae079757dd8644d620a8c28ea","last_reissued_at":"2026-05-18T01:58:54.143817Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:54.143817Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.1739","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":"2026-05-18T01:58:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EHgCKnORiPVV4RYMQcVBCEvE8FB29/rS8dY4Dgg69f5W4INqo+qzxiukgw1xvSd9rXNmNWH92yk8bkfLqJGSDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T07:18:31.144855Z"},"content_sha256":"53a5c82499bd042a74602bb58f41cb2c05aa75d830ea0bacf3aed422ed32594a","schema_version":"1.0","event_id":"sha256:53a5c82499bd042a74602bb58f41cb2c05aa75d830ea0bacf3aed422ed32594a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:UYYKHL7CKA65SSIQLVHSGWNU46","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Use of Singular-Value Decomposition in Gravitational-Wave Data Analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"physics.data-an","authors_text":"Drew Keppel","submitted_at":"2012-01-09T11:31:14Z","abstract_excerpt":"Singular-value decomposition is a powerful technique that has been used in the analysis of matrices in many fields. In this paper, we summarize how it has been applied to the analysis of gravitational-wave data. These include producing basis waveforms for matched filtering, decreasing the computational cost of searching for many waveforms, improving parameter estimation, and providing a method of waveform interpolation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.1739","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":"2026-05-18T01:58:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sCVKvy/jA3db6oG9nzofUr9VSQfSH1UmsEExJh163KkiWSU4sPauV3/x17GD3FRhb26mdZtnT3FHhh7TvacoCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T07:18:31.145203Z"},"content_sha256":"10fad738d103dfe55482a51add2eeb31f1aa1104d15880a57abaa4a3c0d8c2ea","schema_version":"1.0","event_id":"sha256:10fad738d103dfe55482a51add2eeb31f1aa1104d15880a57abaa4a3c0d8c2ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UYYKHL7CKA65SSIQLVHSGWNU46/bundle.json","state_url":"https://pith.science/pith/UYYKHL7CKA65SSIQLVHSGWNU46/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UYYKHL7CKA65SSIQLVHSGWNU46/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":"2026-06-04T07:18:31Z","links":{"resolver":"https://pith.science/pith/UYYKHL7CKA65SSIQLVHSGWNU46","bundle":"https://pith.science/pith/UYYKHL7CKA65SSIQLVHSGWNU46/bundle.json","state":"https://pith.science/pith/UYYKHL7CKA65SSIQLVHSGWNU46/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UYYKHL7CKA65SSIQLVHSGWNU46/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:UYYKHL7CKA65SSIQLVHSGWNU46","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":"9ff994dfac9b02e54d1dfe88c5c259e1ebb8f36a475e873b9a238ac89016d7c8","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2012-01-09T11:31:14Z","title_canon_sha256":"4fe454455440e74b8d0fb2a67d95fc34efd50c1d757839d0a38c4b2d87a29e5f"},"schema_version":"1.0","source":{"id":"1201.1739","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.1739","created_at":"2026-05-18T01:58:54Z"},{"alias_kind":"arxiv_version","alias_value":"1201.1739v1","created_at":"2026-05-18T01:58:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.1739","created_at":"2026-05-18T01:58:54Z"},{"alias_kind":"pith_short_12","alias_value":"UYYKHL7CKA65","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"UYYKHL7CKA65SSIQ","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"UYYKHL7C","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:10fad738d103dfe55482a51add2eeb31f1aa1104d15880a57abaa4a3c0d8c2ea","target":"graph","created_at":"2026-05-18T01:58:54Z","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":"Singular-value decomposition is a powerful technique that has been used in the analysis of matrices in many fields. In this paper, we summarize how it has been applied to the analysis of gravitational-wave data. These include producing basis waveforms for matched filtering, decreasing the computational cost of searching for many waveforms, improving parameter estimation, and providing a method of waveform interpolation.","authors_text":"Drew Keppel","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2012-01-09T11:31:14Z","title":"Use of Singular-Value Decomposition in Gravitational-Wave Data Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.1739","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":"sha256:53a5c82499bd042a74602bb58f41cb2c05aa75d830ea0bacf3aed422ed32594a","target":"record","created_at":"2026-05-18T01:58:54Z","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":"9ff994dfac9b02e54d1dfe88c5c259e1ebb8f36a475e873b9a238ac89016d7c8","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2012-01-09T11:31:14Z","title_canon_sha256":"4fe454455440e74b8d0fb2a67d95fc34efd50c1d757839d0a38c4b2d87a29e5f"},"schema_version":"1.0","source":{"id":"1201.1739","kind":"arxiv","version":1}},"canonical_sha256":"a630a3afe2503dd949105d4f2359b4e792c97ebae079757dd8644d620a8c28ea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a630a3afe2503dd949105d4f2359b4e792c97ebae079757dd8644d620a8c28ea","first_computed_at":"2026-05-18T01:58:54.143817Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:54.143817Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gNluW5iy9xAGZikAMeZGzxru+KvBv5U4q2PvN+t5TsO3ZN6k4nmCrC6XE3OcLzCCkf48m9+1SiZkMlWxfVemDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:54.144669Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.1739","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53a5c82499bd042a74602bb58f41cb2c05aa75d830ea0bacf3aed422ed32594a","sha256:10fad738d103dfe55482a51add2eeb31f1aa1104d15880a57abaa4a3c0d8c2ea"],"state_sha256":"0d98a4a772b7293f1f6dbc0e78875f15d4e474751efe4e09a583e90ef0bc6d10"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eetpHqXvXtx/7OYiWPM1ENPrGEeYazHq1+fYFiaRW6eDruzjTWYu1J173tJyxy2ptS1u5c1RzBo34zFwDqx8AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T07:18:31.147372Z","bundle_sha256":"8c64bd9c3ad48fb4f40b1ae49d6dd7d46f25f280d30ddda3c6c755cff73d3cde"}}