{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:UFJIMX5RD3BSJT5SL7G4XWQLQX","short_pith_number":"pith:UFJIMX5R","canonical_record":{"source":{"id":"2305.06502","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"gr-qc","submitted_at":"2023-05-11T00:51:44Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"5aa2e1d73299a88d48cf33e2da6bd49f59b200714fbef5656bdb12ffbd55bf3e","abstract_canon_sha256":"5b9eed6050a6d4d81cf4d79f3741138482c5a8cfb8e02e1831306cb26897a027"},"schema_version":"1.0"},"canonical_sha256":"a152865fb11ec324cfb25fcdcbda0b85e111033fc42432e3cef62bc30f95d8ee","source":{"kind":"arxiv","id":"2305.06502","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.06502","created_at":"2026-07-05T06:47:21Z"},{"alias_kind":"arxiv_version","alias_value":"2305.06502v2","created_at":"2026-07-05T06:47:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.06502","created_at":"2026-07-05T06:47:21Z"},{"alias_kind":"pith_short_12","alias_value":"UFJIMX5RD3BS","created_at":"2026-07-05T06:47:21Z"},{"alias_kind":"pith_short_16","alias_value":"UFJIMX5RD3BSJT5S","created_at":"2026-07-05T06:47:21Z"},{"alias_kind":"pith_short_8","alias_value":"UFJIMX5R","created_at":"2026-07-05T06:47:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:UFJIMX5RD3BSJT5SL7G4XWQLQX","target":"record","payload":{"canonical_record":{"source":{"id":"2305.06502","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"gr-qc","submitted_at":"2023-05-11T00:51:44Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"5aa2e1d73299a88d48cf33e2da6bd49f59b200714fbef5656bdb12ffbd55bf3e","abstract_canon_sha256":"5b9eed6050a6d4d81cf4d79f3741138482c5a8cfb8e02e1831306cb26897a027"},"schema_version":"1.0"},"canonical_sha256":"a152865fb11ec324cfb25fcdcbda0b85e111033fc42432e3cef62bc30f95d8ee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:47:21.337107Z","signature_b64":"o2UOwJOEkpzLVlBqjuRlj6ECQ6QRuP1gu86KSqL5QsT6bBhsL6dxcL2Zzb3kmEKhSDoiBO7oqFLImhFT0VlJCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a152865fb11ec324cfb25fcdcbda0b85e111033fc42432e3cef62bc30f95d8ee","last_reissued_at":"2026-07-05T06:47:21.336614Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:47:21.336614Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.06502","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":"2026-07-05T06:47:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ykYkNaWNDRvCIJ4fq9ERYAaDgnuQ8ycnT8KKCRKh8bHNt1fI6jDzVATGUGvsxjFrZrpKDFs4mI/pO77qbf5OCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T21:11:51.127019Z"},"content_sha256":"7fb5f7c342b0606fae9ad649d4950ff5bc75f977a6b9e90cfd86dcebd72ab9dc","schema_version":"1.0","event_id":"sha256:7fb5f7c342b0606fae9ad649d4950ff5bc75f977a6b9e90cfd86dcebd72ab9dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:UFJIMX5RD3BSJT5SL7G4XWQLQX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Untargeted Bayesian search of anisotropic gravitational-wave backgrounds through the analytical marginalization of the posterior","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"gr-qc","authors_text":"Adrian Ka-Wai Chung, Nicolas Yunes","submitted_at":"2023-05-11T00:51:44Z","abstract_excerpt":"We develop a method to perform an untargeted Bayesian search for anisotropic gravitational-wave backgrounds that can efficiently and accurately reconstruct the background intensity map. Our method employs an analytic marginalization of the posterior of the spherical-harmonic components of the intensity map, without assuming the background possesses any specific angular structure. The key idea is that the likelihood function of the spherical-harmonic components is a multivariate Gaussian when the intensity map is expressed as a linear combination of the spherical-harmonic components and the noi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.06502","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/2305.06502/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":"2026-07-05T06:47:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4k83dnRJYcBUiM9H/SFkAncyw3dQsuL0GPPYcik1UAsIY9L5iDCJ0uVXSxIVdhVIgSsbt7Zrd9DAOQaqrI9xBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T21:11:51.128006Z"},"content_sha256":"fedbfca23be819e7dfd53797f8be0172a8769d1560dea3895414cd00639bb5b0","schema_version":"1.0","event_id":"sha256:fedbfca23be819e7dfd53797f8be0172a8769d1560dea3895414cd00639bb5b0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UFJIMX5RD3BSJT5SL7G4XWQLQX/bundle.json","state_url":"https://pith.science/pith/UFJIMX5RD3BSJT5SL7G4XWQLQX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UFJIMX5RD3BSJT5SL7G4XWQLQX/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":"2026-08-12T21:11:51Z","links":{"resolver":"https://pith.science/pith/UFJIMX5RD3BSJT5SL7G4XWQLQX","bundle":"https://pith.science/pith/UFJIMX5RD3BSJT5SL7G4XWQLQX/bundle.json","state":"https://pith.science/pith/UFJIMX5RD3BSJT5SL7G4XWQLQX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UFJIMX5RD3BSJT5SL7G4XWQLQX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:UFJIMX5RD3BSJT5SL7G4XWQLQX","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":"5b9eed6050a6d4d81cf4d79f3741138482c5a8cfb8e02e1831306cb26897a027","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"gr-qc","submitted_at":"2023-05-11T00:51:44Z","title_canon_sha256":"5aa2e1d73299a88d48cf33e2da6bd49f59b200714fbef5656bdb12ffbd55bf3e"},"schema_version":"1.0","source":{"id":"2305.06502","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.06502","created_at":"2026-07-05T06:47:21Z"},{"alias_kind":"arxiv_version","alias_value":"2305.06502v2","created_at":"2026-07-05T06:47:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.06502","created_at":"2026-07-05T06:47:21Z"},{"alias_kind":"pith_short_12","alias_value":"UFJIMX5RD3BS","created_at":"2026-07-05T06:47:21Z"},{"alias_kind":"pith_short_16","alias_value":"UFJIMX5RD3BSJT5S","created_at":"2026-07-05T06:47:21Z"},{"alias_kind":"pith_short_8","alias_value":"UFJIMX5R","created_at":"2026-07-05T06:47:21Z"}],"graph_snapshots":[{"event_id":"sha256:fedbfca23be819e7dfd53797f8be0172a8769d1560dea3895414cd00639bb5b0","target":"graph","created_at":"2026-07-05T06:47:21Z","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/2305.06502/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We develop a method to perform an untargeted Bayesian search for anisotropic gravitational-wave backgrounds that can efficiently and accurately reconstruct the background intensity map. Our method employs an analytic marginalization of the posterior of the spherical-harmonic components of the intensity map, without assuming the background possesses any specific angular structure. The key idea is that the likelihood function of the spherical-harmonic components is a multivariate Gaussian when the intensity map is expressed as a linear combination of the spherical-harmonic components and the noi","authors_text":"Adrian Ka-Wai Chung, Nicolas Yunes","cross_cats":["astro-ph.IM"],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"gr-qc","submitted_at":"2023-05-11T00:51:44Z","title":"Untargeted Bayesian search of anisotropic gravitational-wave backgrounds through the analytical marginalization of the posterior"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.06502","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":"sha256:7fb5f7c342b0606fae9ad649d4950ff5bc75f977a6b9e90cfd86dcebd72ab9dc","target":"record","created_at":"2026-07-05T06:47:21Z","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":"5b9eed6050a6d4d81cf4d79f3741138482c5a8cfb8e02e1831306cb26897a027","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"gr-qc","submitted_at":"2023-05-11T00:51:44Z","title_canon_sha256":"5aa2e1d73299a88d48cf33e2da6bd49f59b200714fbef5656bdb12ffbd55bf3e"},"schema_version":"1.0","source":{"id":"2305.06502","kind":"arxiv","version":2}},"canonical_sha256":"a152865fb11ec324cfb25fcdcbda0b85e111033fc42432e3cef62bc30f95d8ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a152865fb11ec324cfb25fcdcbda0b85e111033fc42432e3cef62bc30f95d8ee","first_computed_at":"2026-07-05T06:47:21.336614Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:47:21.336614Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o2UOwJOEkpzLVlBqjuRlj6ECQ6QRuP1gu86KSqL5QsT6bBhsL6dxcL2Zzb3kmEKhSDoiBO7oqFLImhFT0VlJCw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:47:21.337107Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.06502","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7fb5f7c342b0606fae9ad649d4950ff5bc75f977a6b9e90cfd86dcebd72ab9dc","sha256:fedbfca23be819e7dfd53797f8be0172a8769d1560dea3895414cd00639bb5b0"],"state_sha256":"d67f3d9230b0778b97327c57bdcc84b01d208c38c4b4f2d9a9cd705047fd0540"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8VD2ABKCXBxsxd6hDGuQbm1mP9R33XU5JUFt3nvqTqEX2cHLbXXtBzyrqoSqvD/jM62UoOkkxzDscs6tIXtVDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T21:11:51.133704Z","bundle_sha256":"fa0660da297e6d413ca42465fa715a8bfd74486bc6edee7d8b75ffad430313ad"}}