{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:G4XYYW7KUA7LOYIDFXRS2IFOTC","short_pith_number":"pith:G4XYYW7K","canonical_record":{"source":{"id":"2308.05510","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-10T11:42:33Z","cross_cats_sorted":["gr-qc","physics.data-an"],"title_canon_sha256":"49a9c9c3efa53fd98388a998ba91ee30963155ecb8666a3fb9ab09bad3c8b166","abstract_canon_sha256":"027c93ded52053800ec4eb02360006926d9262e51f136509175404c30f669cbf"},"schema_version":"1.0"},"canonical_sha256":"372f8c5beaa03eb761032de32d20ae98bd5999d640b6750b000ba0108a7d3991","source":{"kind":"arxiv","id":"2308.05510","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.05510","created_at":"2026-07-05T07:47:04Z"},{"alias_kind":"arxiv_version","alias_value":"2308.05510v2","created_at":"2026-07-05T07:47:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.05510","created_at":"2026-07-05T07:47:04Z"},{"alias_kind":"pith_short_12","alias_value":"G4XYYW7KUA7L","created_at":"2026-07-05T07:47:04Z"},{"alias_kind":"pith_short_16","alias_value":"G4XYYW7KUA7LOYID","created_at":"2026-07-05T07:47:04Z"},{"alias_kind":"pith_short_8","alias_value":"G4XYYW7K","created_at":"2026-07-05T07:47:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:G4XYYW7KUA7LOYIDFXRS2IFOTC","target":"record","payload":{"canonical_record":{"source":{"id":"2308.05510","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-10T11:42:33Z","cross_cats_sorted":["gr-qc","physics.data-an"],"title_canon_sha256":"49a9c9c3efa53fd98388a998ba91ee30963155ecb8666a3fb9ab09bad3c8b166","abstract_canon_sha256":"027c93ded52053800ec4eb02360006926d9262e51f136509175404c30f669cbf"},"schema_version":"1.0"},"canonical_sha256":"372f8c5beaa03eb761032de32d20ae98bd5999d640b6750b000ba0108a7d3991","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:47:04.118575Z","signature_b64":"eJl7Sn+97ateLGpimfb0PoWsFoaFoxL3KlqW9ScNi0LzEYJ3wExOme+2KRTh/2DL5A+buiervIUfUkb6d8vvAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"372f8c5beaa03eb761032de32d20ae98bd5999d640b6750b000ba0108a7d3991","last_reissued_at":"2026-07-05T07:47:04.118170Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:47:04.118170Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.05510","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":"2026-07-05T07:47:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uUmYomiGN0DIOVh9hnCJe5ACNvL2/kxgpnR4vvLyOxfHvOTBw/IIZSHwatMw3TG/JWX9lffnGKNVjBwgSjQ7Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:40:20.093112Z"},"content_sha256":"8ca9af326d3b33479372f2201f02f2df73d37b4a15ce6b31e43d7483ae7755e3","schema_version":"1.0","event_id":"sha256:8ca9af326d3b33479372f2201f02f2df73d37b4a15ce6b31e43d7483ae7755e3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:G4XYYW7KUA7LOYIDFXRS2IFOTC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Advancing Space-Based Gravitational Wave Astronomy: Rapid Parameter Estimation via Normalizing Flows","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":["gr-qc","physics.data-an"],"primary_cat":"astro-ph.IM","authors_text":"Bo Liang, He Wang, Minghui Du, Peng Xu, Yueliang Wu, Ziren Luo","submitted_at":"2023-08-10T11:42:33Z","abstract_excerpt":"Gravitational wave (GW) astronomy is witnessing a transformative shift from terrestrial to space-based detection, with missions like Taiji at the forefront. While the transition brings unprecedented opportunities for exploring massive black hole binaries (MBHBs), it also imposes complex challenges in data analysis, particularly in parameter estimation amidst confusion noise. Addressing this gap, we utilize scalable normalizing flow models to achieve rapid and accurate inference within the Taiji environment. Innovatively, our approach simplifies the data's complexity, employs a transformation m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.05510","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/2308.05510/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":"2026-07-05T07:47:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/mnzMvOU9sMbvBUQeaz+D/yqPUECqSRqFI+WkUwfdij3EhJurKhUpsHJ4pSoAdi++oat9he5EoJEp4qxTJdrBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:40:20.094022Z"},"content_sha256":"91ba95f25adb46fd9edf374545d7cbdc63963b9b8905072cf190ece88a5a5d90","schema_version":"1.0","event_id":"sha256:91ba95f25adb46fd9edf374545d7cbdc63963b9b8905072cf190ece88a5a5d90"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G4XYYW7KUA7LOYIDFXRS2IFOTC/bundle.json","state_url":"https://pith.science/pith/G4XYYW7KUA7LOYIDFXRS2IFOTC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G4XYYW7KUA7LOYIDFXRS2IFOTC/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":"2026-08-04T20:40:20Z","links":{"resolver":"https://pith.science/pith/G4XYYW7KUA7LOYIDFXRS2IFOTC","bundle":"https://pith.science/pith/G4XYYW7KUA7LOYIDFXRS2IFOTC/bundle.json","state":"https://pith.science/pith/G4XYYW7KUA7LOYIDFXRS2IFOTC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G4XYYW7KUA7LOYIDFXRS2IFOTC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:G4XYYW7KUA7LOYIDFXRS2IFOTC","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":"027c93ded52053800ec4eb02360006926d9262e51f136509175404c30f669cbf","cross_cats_sorted":["gr-qc","physics.data-an"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-10T11:42:33Z","title_canon_sha256":"49a9c9c3efa53fd98388a998ba91ee30963155ecb8666a3fb9ab09bad3c8b166"},"schema_version":"1.0","source":{"id":"2308.05510","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.05510","created_at":"2026-07-05T07:47:04Z"},{"alias_kind":"arxiv_version","alias_value":"2308.05510v2","created_at":"2026-07-05T07:47:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.05510","created_at":"2026-07-05T07:47:04Z"},{"alias_kind":"pith_short_12","alias_value":"G4XYYW7KUA7L","created_at":"2026-07-05T07:47:04Z"},{"alias_kind":"pith_short_16","alias_value":"G4XYYW7KUA7LOYID","created_at":"2026-07-05T07:47:04Z"},{"alias_kind":"pith_short_8","alias_value":"G4XYYW7K","created_at":"2026-07-05T07:47:04Z"}],"graph_snapshots":[{"event_id":"sha256:91ba95f25adb46fd9edf374545d7cbdc63963b9b8905072cf190ece88a5a5d90","target":"graph","created_at":"2026-07-05T07:47:04Z","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/2308.05510/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Gravitational wave (GW) astronomy is witnessing a transformative shift from terrestrial to space-based detection, with missions like Taiji at the forefront. While the transition brings unprecedented opportunities for exploring massive black hole binaries (MBHBs), it also imposes complex challenges in data analysis, particularly in parameter estimation amidst confusion noise. Addressing this gap, we utilize scalable normalizing flow models to achieve rapid and accurate inference within the Taiji environment. Innovatively, our approach simplifies the data's complexity, employs a transformation m","authors_text":"Bo Liang, He Wang, Minghui Du, Peng Xu, Yueliang Wu, Ziren Luo","cross_cats":["gr-qc","physics.data-an"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-10T11:42:33Z","title":"Advancing Space-Based Gravitational Wave Astronomy: Rapid Parameter Estimation via Normalizing Flows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.05510","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":"sha256:8ca9af326d3b33479372f2201f02f2df73d37b4a15ce6b31e43d7483ae7755e3","target":"record","created_at":"2026-07-05T07:47:04Z","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":"027c93ded52053800ec4eb02360006926d9262e51f136509175404c30f669cbf","cross_cats_sorted":["gr-qc","physics.data-an"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-10T11:42:33Z","title_canon_sha256":"49a9c9c3efa53fd98388a998ba91ee30963155ecb8666a3fb9ab09bad3c8b166"},"schema_version":"1.0","source":{"id":"2308.05510","kind":"arxiv","version":2}},"canonical_sha256":"372f8c5beaa03eb761032de32d20ae98bd5999d640b6750b000ba0108a7d3991","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"372f8c5beaa03eb761032de32d20ae98bd5999d640b6750b000ba0108a7d3991","first_computed_at":"2026-07-05T07:47:04.118170Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:47:04.118170Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eJl7Sn+97ateLGpimfb0PoWsFoaFoxL3KlqW9ScNi0LzEYJ3wExOme+2KRTh/2DL5A+buiervIUfUkb6d8vvAA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:47:04.118575Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.05510","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ca9af326d3b33479372f2201f02f2df73d37b4a15ce6b31e43d7483ae7755e3","sha256:91ba95f25adb46fd9edf374545d7cbdc63963b9b8905072cf190ece88a5a5d90"],"state_sha256":"60e0f2f790c1850d5a3d8a937c776ac96087aa464b4d816895321259afdab655"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X20gAnSIZ/jAtfspbpRQlanJoegI2B6B0qAmm4AxgodNvpogLoX9xD7MyYSSQe8dlSOo6U+5eztLYwOZy70hAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T20:40:20.099359Z","bundle_sha256":"57f0207844a06d1009da371e71afab68915b8ab14bbd4ef2e11a2b361dd40c0d"}}