{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:LUB3GTMOWDDBGYPQ4WGIVSGTRL","short_pith_number":"pith:LUB3GTMO","canonical_record":{"source":{"id":"2506.08093","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-06-09T18:00:11Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"02bb640d49c5555232c89aa079f7be8289d4eacf19ad45b24f3188cd102ef38e","abstract_canon_sha256":"60fe54a80a38bf0916b87290e5a59c5516e80ac141d407f757d8ba2052352c06"},"schema_version":"1.0"},"canonical_sha256":"5d03b34d8eb0c61361f0e58c8ac8d38afc2b47df64d74e34eb57f2e358c1cfdf","source":{"kind":"arxiv","id":"2506.08093","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.08093","created_at":"2026-07-05T11:18:44Z"},{"alias_kind":"arxiv_version","alias_value":"2506.08093v1","created_at":"2026-07-05T11:18:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.08093","created_at":"2026-07-05T11:18:44Z"},{"alias_kind":"pith_short_12","alias_value":"LUB3GTMOWDDB","created_at":"2026-07-05T11:18:44Z"},{"alias_kind":"pith_short_16","alias_value":"LUB3GTMOWDDBGYPQ","created_at":"2026-07-05T11:18:44Z"},{"alias_kind":"pith_short_8","alias_value":"LUB3GTMO","created_at":"2026-07-05T11:18:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:LUB3GTMOWDDBGYPQ4WGIVSGTRL","target":"record","payload":{"canonical_record":{"source":{"id":"2506.08093","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-06-09T18:00:11Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"02bb640d49c5555232c89aa079f7be8289d4eacf19ad45b24f3188cd102ef38e","abstract_canon_sha256":"60fe54a80a38bf0916b87290e5a59c5516e80ac141d407f757d8ba2052352c06"},"schema_version":"1.0"},"canonical_sha256":"5d03b34d8eb0c61361f0e58c8ac8d38afc2b47df64d74e34eb57f2e358c1cfdf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:18:44.727786Z","signature_b64":"soTlXeGcxWWd/j6esjTbMFjDVtFjs8Lkvi6k5eAmymWHhiERzje/FKzImUWewxCogKPkQV+/n1ZzNx7PQcHtDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5d03b34d8eb0c61361f0e58c8ac8d38afc2b47df64d74e34eb57f2e358c1cfdf","last_reissued_at":"2026-07-05T11:18:44.727344Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:18:44.727344Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.08093","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":"2026-07-05T11:18:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r8U0b7rOfvKRCY6E6mNIxuoV0zc1j2iNd8Vodcu7fDxmyGP772DdRQ1jU1h+FTIGQ7YBkaW7yI3yQIpaXncuAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T08:25:22.741457Z"},"content_sha256":"b8ff092012bbbdfa38079677090b4f9f76dde31beac4e6773fe8ebeeb784e6c7","schema_version":"1.0","event_id":"sha256:b8ff092012bbbdfa38079677090b4f9f76dde31beac4e6773fe8ebeeb784e6c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:LUB3GTMOWDDBGYPQ4WGIVSGTRL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"TDI on the fly","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Neil J. Cornish, Tyson Littenberg","submitted_at":"2025-06-09T18:00:11Z","abstract_excerpt":"Space-based gravitational wave (GW) observatories, such as the future Laser Interferometer Space Antenna (LISA), employ synthetic Time Delay Interferometry (TDI) to cancel the otherwise overwhelming laser frequency noise. The phase readouts at each spacecraft are combined with a carefully designed collection of time delays that cancel the laser frequency noise. The same collection of time delays must be applied to the GW signal models used for analysis, along with geometrical factors that encode the projection of the wave polarization tensor onto the arms of the interferometer. In principle, f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.08093","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2506.08093/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":"2026-07-05T11:18:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cmvQWwKlTwzlR7l56e5DuKbhKGOkKPLpau4+CITrkstvjNcr073jMmu+/Mj1o8mIKRmFW5odFQTMytqpRCOqBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T08:25:22.742368Z"},"content_sha256":"ae5a50e64afb0296971bbc257d4f92e5a6556aa87fa2cc734b0b3265dde4f48f","schema_version":"1.0","event_id":"sha256:ae5a50e64afb0296971bbc257d4f92e5a6556aa87fa2cc734b0b3265dde4f48f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LUB3GTMOWDDBGYPQ4WGIVSGTRL/bundle.json","state_url":"https://pith.science/pith/LUB3GTMOWDDBGYPQ4WGIVSGTRL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LUB3GTMOWDDBGYPQ4WGIVSGTRL/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":"2026-08-07T08:25:22Z","links":{"resolver":"https://pith.science/pith/LUB3GTMOWDDBGYPQ4WGIVSGTRL","bundle":"https://pith.science/pith/LUB3GTMOWDDBGYPQ4WGIVSGTRL/bundle.json","state":"https://pith.science/pith/LUB3GTMOWDDBGYPQ4WGIVSGTRL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LUB3GTMOWDDBGYPQ4WGIVSGTRL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:LUB3GTMOWDDBGYPQ4WGIVSGTRL","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":"60fe54a80a38bf0916b87290e5a59c5516e80ac141d407f757d8ba2052352c06","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-06-09T18:00:11Z","title_canon_sha256":"02bb640d49c5555232c89aa079f7be8289d4eacf19ad45b24f3188cd102ef38e"},"schema_version":"1.0","source":{"id":"2506.08093","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.08093","created_at":"2026-07-05T11:18:44Z"},{"alias_kind":"arxiv_version","alias_value":"2506.08093v1","created_at":"2026-07-05T11:18:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.08093","created_at":"2026-07-05T11:18:44Z"},{"alias_kind":"pith_short_12","alias_value":"LUB3GTMOWDDB","created_at":"2026-07-05T11:18:44Z"},{"alias_kind":"pith_short_16","alias_value":"LUB3GTMOWDDBGYPQ","created_at":"2026-07-05T11:18:44Z"},{"alias_kind":"pith_short_8","alias_value":"LUB3GTMO","created_at":"2026-07-05T11:18:44Z"}],"graph_snapshots":[{"event_id":"sha256:ae5a50e64afb0296971bbc257d4f92e5a6556aa87fa2cc734b0b3265dde4f48f","target":"graph","created_at":"2026-07-05T11:18:44Z","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/2506.08093/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Space-based gravitational wave (GW) observatories, such as the future Laser Interferometer Space Antenna (LISA), employ synthetic Time Delay Interferometry (TDI) to cancel the otherwise overwhelming laser frequency noise. The phase readouts at each spacecraft are combined with a carefully designed collection of time delays that cancel the laser frequency noise. The same collection of time delays must be applied to the GW signal models used for analysis, along with geometrical factors that encode the projection of the wave polarization tensor onto the arms of the interferometer. In principle, f","authors_text":"Neil J. Cornish, Tyson Littenberg","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-06-09T18:00:11Z","title":"TDI on the fly"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.08093","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:b8ff092012bbbdfa38079677090b4f9f76dde31beac4e6773fe8ebeeb784e6c7","target":"record","created_at":"2026-07-05T11:18:44Z","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":"60fe54a80a38bf0916b87290e5a59c5516e80ac141d407f757d8ba2052352c06","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-06-09T18:00:11Z","title_canon_sha256":"02bb640d49c5555232c89aa079f7be8289d4eacf19ad45b24f3188cd102ef38e"},"schema_version":"1.0","source":{"id":"2506.08093","kind":"arxiv","version":1}},"canonical_sha256":"5d03b34d8eb0c61361f0e58c8ac8d38afc2b47df64d74e34eb57f2e358c1cfdf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5d03b34d8eb0c61361f0e58c8ac8d38afc2b47df64d74e34eb57f2e358c1cfdf","first_computed_at":"2026-07-05T11:18:44.727344Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:18:44.727344Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"soTlXeGcxWWd/j6esjTbMFjDVtFjs8Lkvi6k5eAmymWHhiERzje/FKzImUWewxCogKPkQV+/n1ZzNx7PQcHtDw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:18:44.727786Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.08093","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8ff092012bbbdfa38079677090b4f9f76dde31beac4e6773fe8ebeeb784e6c7","sha256:ae5a50e64afb0296971bbc257d4f92e5a6556aa87fa2cc734b0b3265dde4f48f"],"state_sha256":"6e9a9bba54ada764213ee8b0e31af46bc6a09c2ad115351ffbf2c65e1716d633"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ew8TQVhPc/JVoASuPi5/IUrB5Fp9o40jz4jbjzrA994c3aBkjZCQsruaBbrORLo44Pt9n89SH2LFqzpKRtj2Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T08:25:22.747534Z","bundle_sha256":"fe19d313cffef708434d93bfa0d725f2fd04e36ff6a2c7af3cb59281389beb6c"}}