{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:YUEDQDVUM72WJY52FPAQ2ZZI6D","short_pith_number":"pith:YUEDQDVU","canonical_record":{"source":{"id":"2304.04800","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-04-10T18:12:03Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"c56d164551426a9af6ae6e6c9e3a2352f884d85be7a97f1af62b0194c2bd468f","abstract_canon_sha256":"abf1fc9f0ec66f95d1e533c724c61e0847e0f22f35a2fa1b1488ba895937db66"},"schema_version":"1.0"},"canonical_sha256":"c508380eb467f564e3ba2bc10d6728f0c48e9a04bc7cbc90da7f6058a7fa279f","source":{"kind":"arxiv","id":"2304.04800","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.04800","created_at":"2026-07-05T06:57:39Z"},{"alias_kind":"arxiv_version","alias_value":"2304.04800v2","created_at":"2026-07-05T06:57:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.04800","created_at":"2026-07-05T06:57:39Z"},{"alias_kind":"pith_short_12","alias_value":"YUEDQDVUM72W","created_at":"2026-07-05T06:57:39Z"},{"alias_kind":"pith_short_16","alias_value":"YUEDQDVUM72WJY52","created_at":"2026-07-05T06:57:39Z"},{"alias_kind":"pith_short_8","alias_value":"YUEDQDVU","created_at":"2026-07-05T06:57:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:YUEDQDVUM72WJY52FPAQ2ZZI6D","target":"record","payload":{"canonical_record":{"source":{"id":"2304.04800","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-04-10T18:12:03Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"c56d164551426a9af6ae6e6c9e3a2352f884d85be7a97f1af62b0194c2bd468f","abstract_canon_sha256":"abf1fc9f0ec66f95d1e533c724c61e0847e0f22f35a2fa1b1488ba895937db66"},"schema_version":"1.0"},"canonical_sha256":"c508380eb467f564e3ba2bc10d6728f0c48e9a04bc7cbc90da7f6058a7fa279f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:57:39.044574Z","signature_b64":"u7UupvmkJUIqf+ROYJgfSsLv5wnJHO5uUdwOXpioduFKL97VsjaAmClei4yFGj+ox5fBvlTYkLhnl+udSwovAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c508380eb467f564e3ba2bc10d6728f0c48e9a04bc7cbc90da7f6058a7fa279f","last_reissued_at":"2026-07-05T06:57:39.043997Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:57:39.043997Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.04800","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":"2026-07-05T06:57:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q6rQzsE44mDGKVIa0TlJdInD+S2kh9/nsljpv7Oiza7lhCaymPQQhXjH2sJH88/H9bdTZ2eZGdnJPfrtL7EiCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T06:03:16.827501Z"},"content_sha256":"ce35d626e2ce2af4223178e00cf6b97991cc3881373b3c824925781c5b7aa53b","schema_version":"1.0","event_id":"sha256:ce35d626e2ce2af4223178e00cf6b97991cc3881373b3c824925781c5b7aa53b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:YUEDQDVUM72WJY52FPAQ2ZZI6D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detecting Strong Gravitational Lensing of Gravitational Waves with TianQin","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"gr-qc","authors_text":"Jian-dong Zhang, Jianwei Mei, Liang Dai, Shun-Jia Huang, Xin-yi Lin","submitted_at":"2023-04-10T18:12:03Z","abstract_excerpt":"When gravitational waves (GWs) pass by a massive object on its way to Earth, a strong gravitational lensing effect will happen. Thus, the GW signal will be amplified, deflected, and delayed in time. Through analyzing the lensed GW waveform, physical properties of the lens can be inferred. On the other hand, neglecting lensing effects in the analysis of GW data may induce systematic errors in the estimating of source parameters. As a space-borne GW detector, TianQin will be launched in the 2030s. It is expected to detect dozens of mergers of massive black hole binaries (MBHBs) as far as z=15 an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.04800","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/2304.04800/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":"2026-07-05T06:57:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rpTWWHMuTUgLvA+LAao51EsBmdFeKGNplFF00t5N+EkG3OkA9LBeGEp5oY2r8rwEZSUw3YqUQN85OPx1iTYXCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T06:03:16.828146Z"},"content_sha256":"b170cc427a54c28a8701f87855d37e986607b2da73360d247ceb705d4c0ff98b","schema_version":"1.0","event_id":"sha256:b170cc427a54c28a8701f87855d37e986607b2da73360d247ceb705d4c0ff98b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YUEDQDVUM72WJY52FPAQ2ZZI6D/bundle.json","state_url":"https://pith.science/pith/YUEDQDVUM72WJY52FPAQ2ZZI6D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YUEDQDVUM72WJY52FPAQ2ZZI6D/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":"2026-08-17T06:03:16Z","links":{"resolver":"https://pith.science/pith/YUEDQDVUM72WJY52FPAQ2ZZI6D","bundle":"https://pith.science/pith/YUEDQDVUM72WJY52FPAQ2ZZI6D/bundle.json","state":"https://pith.science/pith/YUEDQDVUM72WJY52FPAQ2ZZI6D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YUEDQDVUM72WJY52FPAQ2ZZI6D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:YUEDQDVUM72WJY52FPAQ2ZZI6D","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":"abf1fc9f0ec66f95d1e533c724c61e0847e0f22f35a2fa1b1488ba895937db66","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-04-10T18:12:03Z","title_canon_sha256":"c56d164551426a9af6ae6e6c9e3a2352f884d85be7a97f1af62b0194c2bd468f"},"schema_version":"1.0","source":{"id":"2304.04800","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.04800","created_at":"2026-07-05T06:57:39Z"},{"alias_kind":"arxiv_version","alias_value":"2304.04800v2","created_at":"2026-07-05T06:57:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.04800","created_at":"2026-07-05T06:57:39Z"},{"alias_kind":"pith_short_12","alias_value":"YUEDQDVUM72W","created_at":"2026-07-05T06:57:39Z"},{"alias_kind":"pith_short_16","alias_value":"YUEDQDVUM72WJY52","created_at":"2026-07-05T06:57:39Z"},{"alias_kind":"pith_short_8","alias_value":"YUEDQDVU","created_at":"2026-07-05T06:57:39Z"}],"graph_snapshots":[{"event_id":"sha256:b170cc427a54c28a8701f87855d37e986607b2da73360d247ceb705d4c0ff98b","target":"graph","created_at":"2026-07-05T06:57:39Z","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/2304.04800/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"When gravitational waves (GWs) pass by a massive object on its way to Earth, a strong gravitational lensing effect will happen. Thus, the GW signal will be amplified, deflected, and delayed in time. Through analyzing the lensed GW waveform, physical properties of the lens can be inferred. On the other hand, neglecting lensing effects in the analysis of GW data may induce systematic errors in the estimating of source parameters. As a space-borne GW detector, TianQin will be launched in the 2030s. It is expected to detect dozens of mergers of massive black hole binaries (MBHBs) as far as z=15 an","authors_text":"Jian-dong Zhang, Jianwei Mei, Liang Dai, Shun-Jia Huang, Xin-yi Lin","cross_cats":["astro-ph.CO"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-04-10T18:12:03Z","title":"Detecting Strong Gravitational Lensing of Gravitational Waves with TianQin"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.04800","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:ce35d626e2ce2af4223178e00cf6b97991cc3881373b3c824925781c5b7aa53b","target":"record","created_at":"2026-07-05T06:57:39Z","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":"abf1fc9f0ec66f95d1e533c724c61e0847e0f22f35a2fa1b1488ba895937db66","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-04-10T18:12:03Z","title_canon_sha256":"c56d164551426a9af6ae6e6c9e3a2352f884d85be7a97f1af62b0194c2bd468f"},"schema_version":"1.0","source":{"id":"2304.04800","kind":"arxiv","version":2}},"canonical_sha256":"c508380eb467f564e3ba2bc10d6728f0c48e9a04bc7cbc90da7f6058a7fa279f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c508380eb467f564e3ba2bc10d6728f0c48e9a04bc7cbc90da7f6058a7fa279f","first_computed_at":"2026-07-05T06:57:39.043997Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:57:39.043997Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u7UupvmkJUIqf+ROYJgfSsLv5wnJHO5uUdwOXpioduFKL97VsjaAmClei4yFGj+ox5fBvlTYkLhnl+udSwovAA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:57:39.044574Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.04800","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ce35d626e2ce2af4223178e00cf6b97991cc3881373b3c824925781c5b7aa53b","sha256:b170cc427a54c28a8701f87855d37e986607b2da73360d247ceb705d4c0ff98b"],"state_sha256":"ee7b0efb51d7284b4b21793ae29c2ceff77ca9b653d7e3aea7f7bb3f4593f765"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lXonCW5LmKoSBizVDnmbGkc+5K7BJVWn7qFYTKb7AH2xiOcgy8yP+cBK8TWA/KYLbzTuBylQkpfSnBWA/ur7DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T06:03:16.832671Z","bundle_sha256":"5badf43d2b66c0a2b23bffb57af62eb4ed4eb4e9d410c4c704cd31659fc2f335"}}