{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:WNS4FCVDYTLBK3VYJPAVI4NUVO","short_pith_number":"pith:WNS4FCVD","canonical_record":{"source":{"id":"2403.01490","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-03-03T11:57:23Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"4ba32734eb4df1e729d41dd6f332bcf01dd724add750a34a00763a627943f7c4","abstract_canon_sha256":"8fc7c9c299517697bb6d0c4436ea21082d3466f2ca806f16874d3ad5ec2c9d56"},"schema_version":"1.0"},"canonical_sha256":"b365c28aa3c4d6156eb84bc15471b4aba685c1690f3f123f04647e6bfe22714e","source":{"kind":"arxiv","id":"2403.01490","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.01490","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"arxiv_version","alias_value":"2403.01490v2","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.01490","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"pith_short_12","alias_value":"WNS4FCVDYTLB","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"pith_short_16","alias_value":"WNS4FCVDYTLBK3VY","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"pith_short_8","alias_value":"WNS4FCVD","created_at":"2026-07-05T09:04:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:WNS4FCVDYTLBK3VYJPAVI4NUVO","target":"record","payload":{"canonical_record":{"source":{"id":"2403.01490","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-03-03T11:57:23Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"4ba32734eb4df1e729d41dd6f332bcf01dd724add750a34a00763a627943f7c4","abstract_canon_sha256":"8fc7c9c299517697bb6d0c4436ea21082d3466f2ca806f16874d3ad5ec2c9d56"},"schema_version":"1.0"},"canonical_sha256":"b365c28aa3c4d6156eb84bc15471b4aba685c1690f3f123f04647e6bfe22714e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:04:08.935444Z","signature_b64":"9NiLF4PhO+HL0+L2iubHYKXJV2KOtRCxCMhn3runUHn9NWTTYK5OjQvwvNC+qbF3WsWqrzSiY71/QmEWHZlRBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b365c28aa3c4d6156eb84bc15471b4aba685c1690f3f123f04647e6bfe22714e","last_reissued_at":"2026-07-05T09:04:08.935000Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:04:08.935000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.01490","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":"2026-07-05T09:04:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EteLtJONhJTH0hKkCOz7XUFUfr6bnUEzMsJk3HvXS26r4/ALIT2rh5u7lxU/I4gZXqFCEu+55sommhBRb/scBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T09:21:57.730037Z"},"content_sha256":"3a2563a72f7e7b3b513793c5de9b4240cf1fb48351cf20d2b92a02fc9da574bc","schema_version":"1.0","event_id":"sha256:3a2563a72f7e7b3b513793c5de9b4240cf1fb48351cf20d2b92a02fc9da574bc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:WNS4FCVDYTLBK3VYJPAVI4NUVO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Time delay interferometry with minimal null frequencies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"gr-qc","authors_text":"Gang Wang","submitted_at":"2024-03-03T11:57:23Z","abstract_excerpt":"Time delay interferometry (TDI) is a key technique employed in gravitational wave (GW) space missions to mitigate laser frequency noise by combining multiple laser links and establishing an equivalent equal arm interferometry. The null frequencies will be introduced in noise spectra and GW response when the periodical signal/noise is canceled in synthesized laser links. These frequencies are characteristic frequencies (CFs) of a TDI which related to its geometry of combination. In this work, we implement a second-generation TDI configuration referred to as hybrid Relay to perform noise suppres"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.01490","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2403.01490/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T09:04:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nLyIf29qUMBdsG0My27v46m4TuCgNl8eb9a9sZv5pk3YfNt5U5pXdMOZLKc3n6ffLaJEoXSNzv9MM9ap6C39BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T09:21:57.730880Z"},"content_sha256":"bba5852e73dafc4a290796d4c292d2c80df73eb5fa3b35d42815036cb0620110","schema_version":"1.0","event_id":"sha256:bba5852e73dafc4a290796d4c292d2c80df73eb5fa3b35d42815036cb0620110"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WNS4FCVDYTLBK3VYJPAVI4NUVO/bundle.json","state_url":"https://pith.science/pith/WNS4FCVDYTLBK3VYJPAVI4NUVO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WNS4FCVDYTLBK3VYJPAVI4NUVO/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":"2026-08-09T09:21:57Z","links":{"resolver":"https://pith.science/pith/WNS4FCVDYTLBK3VYJPAVI4NUVO","bundle":"https://pith.science/pith/WNS4FCVDYTLBK3VYJPAVI4NUVO/bundle.json","state":"https://pith.science/pith/WNS4FCVDYTLBK3VYJPAVI4NUVO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WNS4FCVDYTLBK3VYJPAVI4NUVO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:WNS4FCVDYTLBK3VYJPAVI4NUVO","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":"8fc7c9c299517697bb6d0c4436ea21082d3466f2ca806f16874d3ad5ec2c9d56","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-03-03T11:57:23Z","title_canon_sha256":"4ba32734eb4df1e729d41dd6f332bcf01dd724add750a34a00763a627943f7c4"},"schema_version":"1.0","source":{"id":"2403.01490","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.01490","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"arxiv_version","alias_value":"2403.01490v2","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.01490","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"pith_short_12","alias_value":"WNS4FCVDYTLB","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"pith_short_16","alias_value":"WNS4FCVDYTLBK3VY","created_at":"2026-07-05T09:04:08Z"},{"alias_kind":"pith_short_8","alias_value":"WNS4FCVD","created_at":"2026-07-05T09:04:08Z"}],"graph_snapshots":[{"event_id":"sha256:bba5852e73dafc4a290796d4c292d2c80df73eb5fa3b35d42815036cb0620110","target":"graph","created_at":"2026-07-05T09:04:08Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2403.01490/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Time delay interferometry (TDI) is a key technique employed in gravitational wave (GW) space missions to mitigate laser frequency noise by combining multiple laser links and establishing an equivalent equal arm interferometry. The null frequencies will be introduced in noise spectra and GW response when the periodical signal/noise is canceled in synthesized laser links. These frequencies are characteristic frequencies (CFs) of a TDI which related to its geometry of combination. In this work, we implement a second-generation TDI configuration referred to as hybrid Relay to perform noise suppres","authors_text":"Gang Wang","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-03-03T11:57:23Z","title":"Time delay interferometry with minimal null frequencies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.01490","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":"sha256:3a2563a72f7e7b3b513793c5de9b4240cf1fb48351cf20d2b92a02fc9da574bc","target":"record","created_at":"2026-07-05T09:04:08Z","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":"8fc7c9c299517697bb6d0c4436ea21082d3466f2ca806f16874d3ad5ec2c9d56","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-03-03T11:57:23Z","title_canon_sha256":"4ba32734eb4df1e729d41dd6f332bcf01dd724add750a34a00763a627943f7c4"},"schema_version":"1.0","source":{"id":"2403.01490","kind":"arxiv","version":2}},"canonical_sha256":"b365c28aa3c4d6156eb84bc15471b4aba685c1690f3f123f04647e6bfe22714e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b365c28aa3c4d6156eb84bc15471b4aba685c1690f3f123f04647e6bfe22714e","first_computed_at":"2026-07-05T09:04:08.935000Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:04:08.935000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9NiLF4PhO+HL0+L2iubHYKXJV2KOtRCxCMhn3runUHn9NWTTYK5OjQvwvNC+qbF3WsWqrzSiY71/QmEWHZlRBw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:04:08.935444Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.01490","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3a2563a72f7e7b3b513793c5de9b4240cf1fb48351cf20d2b92a02fc9da574bc","sha256:bba5852e73dafc4a290796d4c292d2c80df73eb5fa3b35d42815036cb0620110"],"state_sha256":"a1a7a733ba2da2391ec74301b86643e45482ac955e254533b571defd04965b88"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9vcUCqNCzYrv5IXdFZKxjXqygTMiDdtSvYYyVIduDwgisxuK8XJ5ovCb+cFsOc+tUwBjaNnk596WF6b5rcjBCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T09:21:57.736512Z","bundle_sha256":"0d37600f8cca43ec810571158db43942182551553e3b1a6aefaaf964f04ce9ce"}}