{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:RXUSBZEGKBNCCIWEJ34RXS3NGF","short_pith_number":"pith:RXUSBZEG","canonical_record":{"source":{"id":"2601.20512","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-01-28T11:41:27Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"edc1430533423a90c75be84ef36e1c3bf4ac3ba7739991b328a1def992fca83e","abstract_canon_sha256":"9f379ea66c6520aa9ebb8488f0b1b8231a3d12381cc8db382f2273937beb3731"},"schema_version":"1.0"},"canonical_sha256":"8de920e486505a2122c44ef91bcb6d317738b5be79f96534a922fa970c3af224","source":{"kind":"arxiv","id":"2601.20512","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.20512","created_at":"2026-05-28T01:04:35Z"},{"alias_kind":"arxiv_version","alias_value":"2601.20512v2","created_at":"2026-05-28T01:04:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.20512","created_at":"2026-05-28T01:04:35Z"},{"alias_kind":"pith_short_12","alias_value":"RXUSBZEGKBNC","created_at":"2026-05-28T01:04:35Z"},{"alias_kind":"pith_short_16","alias_value":"RXUSBZEGKBNCCIWE","created_at":"2026-05-28T01:04:35Z"},{"alias_kind":"pith_short_8","alias_value":"RXUSBZEG","created_at":"2026-05-28T01:04:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:RXUSBZEGKBNCCIWEJ34RXS3NGF","target":"record","payload":{"canonical_record":{"source":{"id":"2601.20512","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-01-28T11:41:27Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"edc1430533423a90c75be84ef36e1c3bf4ac3ba7739991b328a1def992fca83e","abstract_canon_sha256":"9f379ea66c6520aa9ebb8488f0b1b8231a3d12381cc8db382f2273937beb3731"},"schema_version":"1.0"},"canonical_sha256":"8de920e486505a2122c44ef91bcb6d317738b5be79f96534a922fa970c3af224","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-28T01:04:35.799195Z","signature_b64":"2fSqmZ8O32C0Zku/UOsc57iZxepx3ahbTm5tqhSxr9v/LIAvMfpSZ5cA48wANK45pAxz/MnKJ+1gpS1L298KCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8de920e486505a2122c44ef91bcb6d317738b5be79f96534a922fa970c3af224","last_reissued_at":"2026-05-28T01:04:35.798689Z","signature_status":"signed_v1","first_computed_at":"2026-05-28T01:04:35.798689Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2601.20512","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":"2026-05-28T01:04:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zJTFR3O37l9wyeOddPKlGf/QRatguehE2vovfFqkC/gMBrxaLAOuHACyhOxsGNtrafNNksi6cT80U9fVJGAbDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:54:47.224458Z"},"content_sha256":"619a11269def20f2a31044da91eff5109a9db63fe2472fd1054d46d748972d1f","schema_version":"1.0","event_id":"sha256:619a11269def20f2a31044da91eff5109a9db63fe2472fd1054d46d748972d1f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:RXUSBZEGKBNCCIWEJ34RXS3NGF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhancing online estimation of CBC parameters with the low-latency MBTA analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"gr-qc","authors_text":"Amazigh Ouzriat, Beno\\^it Mours, Damir Buskulic, Florian Aubin, Fr\\'ed\\'erique Marion, Gianluca M Guidi, In\\`es Bentara, Lorenzo Mobilia, Morgan Lethuillier, Thomas Sainrat, Vincent Juste, Viola Sordini","submitted_at":"2026-01-28T11:41:27Z","abstract_excerpt":"In this paper, we describe the procedure implemented in the Multi-Band Template Analysis (MBTA) search pipeline to produce online posterior distributions of compact binary coalescence (CBC) gravitational-wave parameters. This procedure relies on an SNR optimizer technique, which consists of filtering dense local template banks. We present how these banks are constructed using information from the initial detection and detail how the results of the filtering are used to estimate source parameters and provide posterior distributions. We demonstrate the performance of our procedure on simulations"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.20512","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/2601.20512/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":"2026-05-28T01:04:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bq32Hk/wNEi3wr6a/O9Xhpax10bwRu0dibLCUiqcmUPKEd6lIMwJ001nNpY635tKmSSJqEKja2lL507ZgrfqCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:54:47.224838Z"},"content_sha256":"a44f448e8742dc0314b351d5cf8b70029e1054bdc3765df952325300d0ffbfce","schema_version":"1.0","event_id":"sha256:a44f448e8742dc0314b351d5cf8b70029e1054bdc3765df952325300d0ffbfce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RXUSBZEGKBNCCIWEJ34RXS3NGF/bundle.json","state_url":"https://pith.science/pith/RXUSBZEGKBNCCIWEJ34RXS3NGF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RXUSBZEGKBNCCIWEJ34RXS3NGF/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":"2026-06-02T06:54:47Z","links":{"resolver":"https://pith.science/pith/RXUSBZEGKBNCCIWEJ34RXS3NGF","bundle":"https://pith.science/pith/RXUSBZEGKBNCCIWEJ34RXS3NGF/bundle.json","state":"https://pith.science/pith/RXUSBZEGKBNCCIWEJ34RXS3NGF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RXUSBZEGKBNCCIWEJ34RXS3NGF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:RXUSBZEGKBNCCIWEJ34RXS3NGF","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":"9f379ea66c6520aa9ebb8488f0b1b8231a3d12381cc8db382f2273937beb3731","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-01-28T11:41:27Z","title_canon_sha256":"edc1430533423a90c75be84ef36e1c3bf4ac3ba7739991b328a1def992fca83e"},"schema_version":"1.0","source":{"id":"2601.20512","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.20512","created_at":"2026-05-28T01:04:35Z"},{"alias_kind":"arxiv_version","alias_value":"2601.20512v2","created_at":"2026-05-28T01:04:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.20512","created_at":"2026-05-28T01:04:35Z"},{"alias_kind":"pith_short_12","alias_value":"RXUSBZEGKBNC","created_at":"2026-05-28T01:04:35Z"},{"alias_kind":"pith_short_16","alias_value":"RXUSBZEGKBNCCIWE","created_at":"2026-05-28T01:04:35Z"},{"alias_kind":"pith_short_8","alias_value":"RXUSBZEG","created_at":"2026-05-28T01:04:35Z"}],"graph_snapshots":[{"event_id":"sha256:a44f448e8742dc0314b351d5cf8b70029e1054bdc3765df952325300d0ffbfce","target":"graph","created_at":"2026-05-28T01:04:35Z","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/2601.20512/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we describe the procedure implemented in the Multi-Band Template Analysis (MBTA) search pipeline to produce online posterior distributions of compact binary coalescence (CBC) gravitational-wave parameters. This procedure relies on an SNR optimizer technique, which consists of filtering dense local template banks. We present how these banks are constructed using information from the initial detection and detail how the results of the filtering are used to estimate source parameters and provide posterior distributions. We demonstrate the performance of our procedure on simulations","authors_text":"Amazigh Ouzriat, Beno\\^it Mours, Damir Buskulic, Florian Aubin, Fr\\'ed\\'erique Marion, Gianluca M Guidi, In\\`es Bentara, Lorenzo Mobilia, Morgan Lethuillier, Thomas Sainrat, Vincent Juste, Viola Sordini","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-01-28T11:41:27Z","title":"Enhancing online estimation of CBC parameters with the low-latency MBTA analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.20512","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":"sha256:619a11269def20f2a31044da91eff5109a9db63fe2472fd1054d46d748972d1f","target":"record","created_at":"2026-05-28T01:04:35Z","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":"9f379ea66c6520aa9ebb8488f0b1b8231a3d12381cc8db382f2273937beb3731","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-01-28T11:41:27Z","title_canon_sha256":"edc1430533423a90c75be84ef36e1c3bf4ac3ba7739991b328a1def992fca83e"},"schema_version":"1.0","source":{"id":"2601.20512","kind":"arxiv","version":2}},"canonical_sha256":"8de920e486505a2122c44ef91bcb6d317738b5be79f96534a922fa970c3af224","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8de920e486505a2122c44ef91bcb6d317738b5be79f96534a922fa970c3af224","first_computed_at":"2026-05-28T01:04:35.798689Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-28T01:04:35.798689Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2fSqmZ8O32C0Zku/UOsc57iZxepx3ahbTm5tqhSxr9v/LIAvMfpSZ5cA48wANK45pAxz/MnKJ+1gpS1L298KCQ==","signature_status":"signed_v1","signed_at":"2026-05-28T01:04:35.799195Z","signed_message":"canonical_sha256_bytes"},"source_id":"2601.20512","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:619a11269def20f2a31044da91eff5109a9db63fe2472fd1054d46d748972d1f","sha256:a44f448e8742dc0314b351d5cf8b70029e1054bdc3765df952325300d0ffbfce"],"state_sha256":"cd3e80ea000936c5f40569a0e936cbfc744b901b826019dc54e5a529d3620bc4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nE6ZhqVM9rAX8yvRCvlAk0PnXzvqRhZOhLvj0Gr3+TA1lF/u1ATecrfH07rMhuBunO+tgaOJ1k6KTF9G31JFBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T06:54:47.226920Z","bundle_sha256":"de3666367c21d330200e1d6805b30775fa5fd28bba00aef985491ffa9128621d"}}