{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:5XBIRZHEU4BGRHRP7ZAWZ5BMC3","short_pith_number":"pith:5XBIRZHE","canonical_record":{"source":{"id":"astro-ph/0702468","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-02-19T03:05:01Z","cross_cats_sorted":[],"title_canon_sha256":"fa90c3f8cf0d318e7ecb229e753f7ac7b17735eb0098fbbec41958f206c3fcdf","abstract_canon_sha256":"25ec3443a49524b30c70aae996307429c80d4225855f43a27882bde57e10e9d6"},"schema_version":"1.0"},"canonical_sha256":"edc288e4e4a702689e2ffe416cf42c16e769b10dab2d1cf2a04f4990e395a7af","source":{"kind":"arxiv","id":"astro-ph/0702468","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0702468","created_at":"2026-07-04T15:21:54Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0702468v1","created_at":"2026-07-04T15:21:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0702468","created_at":"2026-07-04T15:21:54Z"},{"alias_kind":"pith_short_12","alias_value":"5XBIRZHEU4BG","created_at":"2026-07-04T15:21:54Z"},{"alias_kind":"pith_short_16","alias_value":"5XBIRZHEU4BGRHRP","created_at":"2026-07-04T15:21:54Z"},{"alias_kind":"pith_short_8","alias_value":"5XBIRZHE","created_at":"2026-07-04T15:21:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:5XBIRZHEU4BGRHRP7ZAWZ5BMC3","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0702468","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-02-19T03:05:01Z","cross_cats_sorted":[],"title_canon_sha256":"fa90c3f8cf0d318e7ecb229e753f7ac7b17735eb0098fbbec41958f206c3fcdf","abstract_canon_sha256":"25ec3443a49524b30c70aae996307429c80d4225855f43a27882bde57e10e9d6"},"schema_version":"1.0"},"canonical_sha256":"edc288e4e4a702689e2ffe416cf42c16e769b10dab2d1cf2a04f4990e395a7af","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:21:54.158179Z","signature_b64":"rfyA0UGKCvZazRpCpaNJU7QB9wOAyVhpwnWn2R0l5U8knkjFcJRdLvmqDJDQxyZO8K3O4lUAmOzo/lUdeYrEDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"edc288e4e4a702689e2ffe416cf42c16e769b10dab2d1cf2a04f4990e395a7af","last_reissued_at":"2026-07-04T15:21:54.157693Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:21:54.157693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0702468","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":"2026-07-04T15:21:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uLwMSUnj5AXm6wtaUYFSBnJFmTSIYAya1ULZz7nU8ppOcxcm9yVr6XK33Sd/xR1BeLcCsLslZMj99rss8j34Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T00:29:27.862895Z"},"content_sha256":"79086735ddc1fc569d77d4ae5a22c68a431aa4c704cf7a2e2a60fa8c31c0e0cf","schema_version":"1.0","event_id":"sha256:79086735ddc1fc569d77d4ae5a22c68a431aa4c704cf7a2e2a60fa8c31c0e0cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:5XBIRZHEU4BGRHRP7ZAWZ5BMC3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Application of the Probability Event Horizon filter to constrain the local rate density of binary black hole inspirals with Advanced LIGO","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"D. Blair, D. Coward, E. Howell, R. Burman","submitted_at":"2007-02-19T03:05:01Z","abstract_excerpt":"The temporal evolution of the gravitational wave background signal resulting from stellar-mass binary black hole (BBH) inspirals has a unique statistical signature. We describe the application of a new filter, based on the `probability event horizon' (PEH) concept, that utilizes both the temporal and spatial source distribution to constrain the local rate density, $r_{0}$, of BBH inspiral events in the nearby Universe. Assuming Advanced LIGO sensitivities and an upper rate of Galactic BBH inspirals of $ 30\\hspace{1mm}\\mathrm{Myr}^{-1}$, we simulate GW data and apply a fitting procedure to the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0702468","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/astro-ph/0702468/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":"2026-07-04T15:21:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+izFSaA7iN2Vqogn2iLFXY1bmR1FFPKxgrpbPxVUOK/K6Fhr9ZQnvZayvCz7CsqWEkyPCSh+h7Kay0IEYrTqBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T00:29:27.863393Z"},"content_sha256":"286c5c5ba5275fbe7fae90a69018d89798057e557e8c5a8917df5e1471fdcf91","schema_version":"1.0","event_id":"sha256:286c5c5ba5275fbe7fae90a69018d89798057e557e8c5a8917df5e1471fdcf91"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5XBIRZHEU4BGRHRP7ZAWZ5BMC3/bundle.json","state_url":"https://pith.science/pith/5XBIRZHEU4BGRHRP7ZAWZ5BMC3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5XBIRZHEU4BGRHRP7ZAWZ5BMC3/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":"2026-08-11T00:29:27Z","links":{"resolver":"https://pith.science/pith/5XBIRZHEU4BGRHRP7ZAWZ5BMC3","bundle":"https://pith.science/pith/5XBIRZHEU4BGRHRP7ZAWZ5BMC3/bundle.json","state":"https://pith.science/pith/5XBIRZHEU4BGRHRP7ZAWZ5BMC3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5XBIRZHEU4BGRHRP7ZAWZ5BMC3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:5XBIRZHEU4BGRHRP7ZAWZ5BMC3","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":"25ec3443a49524b30c70aae996307429c80d4225855f43a27882bde57e10e9d6","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-02-19T03:05:01Z","title_canon_sha256":"fa90c3f8cf0d318e7ecb229e753f7ac7b17735eb0098fbbec41958f206c3fcdf"},"schema_version":"1.0","source":{"id":"astro-ph/0702468","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0702468","created_at":"2026-07-04T15:21:54Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0702468v1","created_at":"2026-07-04T15:21:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0702468","created_at":"2026-07-04T15:21:54Z"},{"alias_kind":"pith_short_12","alias_value":"5XBIRZHEU4BG","created_at":"2026-07-04T15:21:54Z"},{"alias_kind":"pith_short_16","alias_value":"5XBIRZHEU4BGRHRP","created_at":"2026-07-04T15:21:54Z"},{"alias_kind":"pith_short_8","alias_value":"5XBIRZHE","created_at":"2026-07-04T15:21:54Z"}],"graph_snapshots":[{"event_id":"sha256:286c5c5ba5275fbe7fae90a69018d89798057e557e8c5a8917df5e1471fdcf91","target":"graph","created_at":"2026-07-04T15:21:54Z","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/astro-ph/0702468/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The temporal evolution of the gravitational wave background signal resulting from stellar-mass binary black hole (BBH) inspirals has a unique statistical signature. We describe the application of a new filter, based on the `probability event horizon' (PEH) concept, that utilizes both the temporal and spatial source distribution to constrain the local rate density, $r_{0}$, of BBH inspiral events in the nearby Universe. Assuming Advanced LIGO sensitivities and an upper rate of Galactic BBH inspirals of $ 30\\hspace{1mm}\\mathrm{Myr}^{-1}$, we simulate GW data and apply a fitting procedure to the ","authors_text":"D. Blair, D. Coward, E. Howell, R. Burman","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-02-19T03:05:01Z","title":"Application of the Probability Event Horizon filter to constrain the local rate density of binary black hole inspirals with Advanced LIGO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0702468","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":"sha256:79086735ddc1fc569d77d4ae5a22c68a431aa4c704cf7a2e2a60fa8c31c0e0cf","target":"record","created_at":"2026-07-04T15:21:54Z","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":"25ec3443a49524b30c70aae996307429c80d4225855f43a27882bde57e10e9d6","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-02-19T03:05:01Z","title_canon_sha256":"fa90c3f8cf0d318e7ecb229e753f7ac7b17735eb0098fbbec41958f206c3fcdf"},"schema_version":"1.0","source":{"id":"astro-ph/0702468","kind":"arxiv","version":1}},"canonical_sha256":"edc288e4e4a702689e2ffe416cf42c16e769b10dab2d1cf2a04f4990e395a7af","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"edc288e4e4a702689e2ffe416cf42c16e769b10dab2d1cf2a04f4990e395a7af","first_computed_at":"2026-07-04T15:21:54.157693Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:21:54.157693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rfyA0UGKCvZazRpCpaNJU7QB9wOAyVhpwnWn2R0l5U8knkjFcJRdLvmqDJDQxyZO8K3O4lUAmOzo/lUdeYrEDg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:21:54.158179Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0702468","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79086735ddc1fc569d77d4ae5a22c68a431aa4c704cf7a2e2a60fa8c31c0e0cf","sha256:286c5c5ba5275fbe7fae90a69018d89798057e557e8c5a8917df5e1471fdcf91"],"state_sha256":"2dd75a2f460c7ee3751fbb3637189e8c62922b41872b9f85e82e508ddea2a9e6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NWm1FlcIU3xHJmrWpkhBpHdsauDydUGyWF5/RsySUG07Z+7iV+3C7kkFExJg9KbNsjcQFwBR1mO2YB8zo1HhDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T00:29:27.868341Z","bundle_sha256":"a6e445fe69052008a968fae9bb82a2f6e2410b9bf368b3c6ccdfef1cb4f55118"}}