{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:BGOPYQ4W45RATB445PHVHLDRZH","short_pith_number":"pith:BGOPYQ4W","canonical_record":{"source":{"id":"2508.20308","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-08-27T22:46:30Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"512c1022ba427a390951df70f9ceaba74f046d562413e62469367c1a31c38d4c","abstract_canon_sha256":"cdbe4017c50cba965419a2b550fe0782fdae8b95d4b609cbe0f01e045a857c61"},"schema_version":"1.0"},"canonical_sha256":"099cfc4396e76209879cebcf53ac71c9fcbb85adc93f67864a0b6c1c51e79edd","source":{"kind":"arxiv","id":"2508.20308","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.20308","created_at":"2026-07-05T12:00:34Z"},{"alias_kind":"arxiv_version","alias_value":"2508.20308v1","created_at":"2026-07-05T12:00:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.20308","created_at":"2026-07-05T12:00:34Z"},{"alias_kind":"pith_short_12","alias_value":"BGOPYQ4W45RA","created_at":"2026-07-05T12:00:34Z"},{"alias_kind":"pith_short_16","alias_value":"BGOPYQ4W45RATB44","created_at":"2026-07-05T12:00:34Z"},{"alias_kind":"pith_short_8","alias_value":"BGOPYQ4W","created_at":"2026-07-05T12:00:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:BGOPYQ4W45RATB445PHVHLDRZH","target":"record","payload":{"canonical_record":{"source":{"id":"2508.20308","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-08-27T22:46:30Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"512c1022ba427a390951df70f9ceaba74f046d562413e62469367c1a31c38d4c","abstract_canon_sha256":"cdbe4017c50cba965419a2b550fe0782fdae8b95d4b609cbe0f01e045a857c61"},"schema_version":"1.0"},"canonical_sha256":"099cfc4396e76209879cebcf53ac71c9fcbb85adc93f67864a0b6c1c51e79edd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:00:34.048151Z","signature_b64":"YNV0wQuG7NXScGFp9z9Vdlk+hb4XULdGgN48JCccxhpvm3Zof/khfh43Sn56qYRczqP+o3MVfUYGio9gyUeOCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"099cfc4396e76209879cebcf53ac71c9fcbb85adc93f67864a0b6c1c51e79edd","last_reissued_at":"2026-07-05T12:00:34.047618Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:00:34.047618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.20308","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":"2026-07-05T12:00:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rMlrX8pIsI9autlLUI8FS0QPB/AxxtR0qMzdEpKVZOq4wXb6EK50/+j8xL88Sqw7yxd70qN0gG2rfGNvEhxFDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T19:19:59.964619Z"},"content_sha256":"15ca394e49693153f27eb99e60ad2da064e87fd49b872e090e75baf8c23bb81b","schema_version":"1.0","event_id":"sha256:15ca394e49693153f27eb99e60ad2da064e87fd49b872e090e75baf8c23bb81b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:BGOPYQ4W45RATB445PHVHLDRZH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Flexible Spectral Separation of Multiple Isotropic and Anisotropic Stochastic Gravitational Wave Backgrounds in LISA","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.IM","authors_text":"Alexander W. Criswell, Jessica Lawrence, Levi Schult, Sharan Banagiri, Stephen R. Taylor, Steven Rieck, Vuk Mandic","submitted_at":"2025-08-27T22:46:30Z","abstract_excerpt":"The Laser Interferometer Space Antenna (LISA) will observe mHz gravitational waves from a wide variety of astrophysical sources. Of these, some will be characterizable as individual deterministic signals; the remainder will overlap to create astrophysical confusion noise. These sources of confusion noise are known as stochastic gravitational wave backgrounds (SGWBs). LISA data is expected to include several such astrophysical SGWBs, including the notable Galactic binary foreground, SGWBs from white dwarf binary populations in satellite galaxies of the Milky Way, and the SGWB from extragalactic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.20308","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/2508.20308/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":"2026-07-05T12:00:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0qcXylAFC99sEtPhPWEeTcXozPBMU/XwQ0jw7iXWlDp2NId6+HaPrkmtUi9s1mMlZpCBoXVJT4Cw4Lh0ak45Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T19:19:59.965226Z"},"content_sha256":"2c924f1c3679c8bb00373dd1d9640a3605f73a45d0efe92119c14d634c9f4f1e","schema_version":"1.0","event_id":"sha256:2c924f1c3679c8bb00373dd1d9640a3605f73a45d0efe92119c14d634c9f4f1e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BGOPYQ4W45RATB445PHVHLDRZH/bundle.json","state_url":"https://pith.science/pith/BGOPYQ4W45RATB445PHVHLDRZH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BGOPYQ4W45RATB445PHVHLDRZH/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":"2026-08-16T19:19:59Z","links":{"resolver":"https://pith.science/pith/BGOPYQ4W45RATB445PHVHLDRZH","bundle":"https://pith.science/pith/BGOPYQ4W45RATB445PHVHLDRZH/bundle.json","state":"https://pith.science/pith/BGOPYQ4W45RATB445PHVHLDRZH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BGOPYQ4W45RATB445PHVHLDRZH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:BGOPYQ4W45RATB445PHVHLDRZH","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":"cdbe4017c50cba965419a2b550fe0782fdae8b95d4b609cbe0f01e045a857c61","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-08-27T22:46:30Z","title_canon_sha256":"512c1022ba427a390951df70f9ceaba74f046d562413e62469367c1a31c38d4c"},"schema_version":"1.0","source":{"id":"2508.20308","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.20308","created_at":"2026-07-05T12:00:34Z"},{"alias_kind":"arxiv_version","alias_value":"2508.20308v1","created_at":"2026-07-05T12:00:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.20308","created_at":"2026-07-05T12:00:34Z"},{"alias_kind":"pith_short_12","alias_value":"BGOPYQ4W45RA","created_at":"2026-07-05T12:00:34Z"},{"alias_kind":"pith_short_16","alias_value":"BGOPYQ4W45RATB44","created_at":"2026-07-05T12:00:34Z"},{"alias_kind":"pith_short_8","alias_value":"BGOPYQ4W","created_at":"2026-07-05T12:00:34Z"}],"graph_snapshots":[{"event_id":"sha256:2c924f1c3679c8bb00373dd1d9640a3605f73a45d0efe92119c14d634c9f4f1e","target":"graph","created_at":"2026-07-05T12:00:34Z","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/2508.20308/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Laser Interferometer Space Antenna (LISA) will observe mHz gravitational waves from a wide variety of astrophysical sources. Of these, some will be characterizable as individual deterministic signals; the remainder will overlap to create astrophysical confusion noise. These sources of confusion noise are known as stochastic gravitational wave backgrounds (SGWBs). LISA data is expected to include several such astrophysical SGWBs, including the notable Galactic binary foreground, SGWBs from white dwarf binary populations in satellite galaxies of the Milky Way, and the SGWB from extragalactic","authors_text":"Alexander W. Criswell, Jessica Lawrence, Levi Schult, Sharan Banagiri, Stephen R. Taylor, Steven Rieck, Vuk Mandic","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-08-27T22:46:30Z","title":"Flexible Spectral Separation of Multiple Isotropic and Anisotropic Stochastic Gravitational Wave Backgrounds in LISA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.20308","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":"sha256:15ca394e49693153f27eb99e60ad2da064e87fd49b872e090e75baf8c23bb81b","target":"record","created_at":"2026-07-05T12:00:34Z","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":"cdbe4017c50cba965419a2b550fe0782fdae8b95d4b609cbe0f01e045a857c61","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-08-27T22:46:30Z","title_canon_sha256":"512c1022ba427a390951df70f9ceaba74f046d562413e62469367c1a31c38d4c"},"schema_version":"1.0","source":{"id":"2508.20308","kind":"arxiv","version":1}},"canonical_sha256":"099cfc4396e76209879cebcf53ac71c9fcbb85adc93f67864a0b6c1c51e79edd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"099cfc4396e76209879cebcf53ac71c9fcbb85adc93f67864a0b6c1c51e79edd","first_computed_at":"2026-07-05T12:00:34.047618Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:00:34.047618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YNV0wQuG7NXScGFp9z9Vdlk+hb4XULdGgN48JCccxhpvm3Zof/khfh43Sn56qYRczqP+o3MVfUYGio9gyUeOCA==","signature_status":"signed_v1","signed_at":"2026-07-05T12:00:34.048151Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.20308","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15ca394e49693153f27eb99e60ad2da064e87fd49b872e090e75baf8c23bb81b","sha256:2c924f1c3679c8bb00373dd1d9640a3605f73a45d0efe92119c14d634c9f4f1e"],"state_sha256":"e23dfe14cd9305bfba7ccd1c50c2725c0f54c39416639cdcf416078929de6b9b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B0PShnorAwkBakYtjF04p2K0UfuU3A3XX/lVp1gTdlt3qLFRZ2VAC6OHkTOBWOPm6PLig82W/4lVY+eLKWBbBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T19:19:59.969924Z","bundle_sha256":"b8e31ef1af182c68267828e93063a821c6f73c217b5fb93be0cd52438760748f"}}