{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:GLFRVFFVQQEHY73YNZF2FQZX7T","short_pith_number":"pith:GLFRVFFV","canonical_record":{"source":{"id":"gr-qc/9710117","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1997-10-27T21:41:31Z","cross_cats_sorted":[],"title_canon_sha256":"aa9e57867002876ba562e9b4aed2663ea0635f12a52b05eebdf9e5250ddaa413","abstract_canon_sha256":"9c12e4aedf8b5b9ddba53240a6144b918711f9480a8efd87a52c875a2ffd9de5"},"schema_version":"1.0"},"canonical_sha256":"32cb1a94b584087c7f786e4ba2c337fcc46a75787b64463e2b985ce0e1547561","source":{"kind":"arxiv","id":"gr-qc/9710117","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9710117","created_at":"2026-07-04T17:18:23Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9710117v1","created_at":"2026-07-04T17:18:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9710117","created_at":"2026-07-04T17:18:23Z"},{"alias_kind":"pith_short_12","alias_value":"GLFRVFFVQQEH","created_at":"2026-07-04T17:18:23Z"},{"alias_kind":"pith_short_16","alias_value":"GLFRVFFVQQEHY73Y","created_at":"2026-07-04T17:18:23Z"},{"alias_kind":"pith_short_8","alias_value":"GLFRVFFV","created_at":"2026-07-04T17:18:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:GLFRVFFVQQEHY73YNZF2FQZX7T","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/9710117","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1997-10-27T21:41:31Z","cross_cats_sorted":[],"title_canon_sha256":"aa9e57867002876ba562e9b4aed2663ea0635f12a52b05eebdf9e5250ddaa413","abstract_canon_sha256":"9c12e4aedf8b5b9ddba53240a6144b918711f9480a8efd87a52c875a2ffd9de5"},"schema_version":"1.0"},"canonical_sha256":"32cb1a94b584087c7f786e4ba2c337fcc46a75787b64463e2b985ce0e1547561","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:18:23.328269Z","signature_b64":"ksb1JF/s0k6FCka6rvfHf4fABLUnebDOKGIE9g5daD0U7AMY9nEHNx92rpOE8efBsSSTnP30QwTE+GsK3LvSDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"32cb1a94b584087c7f786e4ba2c337fcc46a75787b64463e2b985ce0e1547561","last_reissued_at":"2026-07-04T17:18:23.327927Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:18:23.327927Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/9710117","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":"2026-07-04T17:18:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/GGfWqmXP2fqKVLDVbhLYblCWsCtox7wpxxxgX4rz3UisGUPOkyqRg0ICg2SNIssAcgF7x3nFcgWiNLra3/4DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T15:31:38.803703Z"},"content_sha256":"c568a018da4708d9aedb362f5dd2df8f8481ba4122d892d8f8af8fc567794c4c","schema_version":"1.0","event_id":"sha256:c568a018da4708d9aedb362f5dd2df8f8481ba4122d892d8f8af8fc567794c4c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:GLFRVFFVQQEHY73YNZF2FQZX7T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detecting a stochastic background of gravitational radiation: Signal processing strategies and sensitivities","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Bruce Allen, Joseph D. Romano","submitted_at":"1997-10-27T21:41:31Z","abstract_excerpt":"We analyze the signal processing required for the optimal detection of a stochastic background of gravitational radiation using laser interferometric detectors. Starting with basic assumptions about the statistical properties of a stochastic gravity-wave background, we derive expressions for the optimal filter function and signal-to-noise ratio for the cross-correlation of the outputs of two gravity-wave detectors. Sensitivity levels required for detection are then calculated. Issues related to: (i) calculating the signal-to-noise ratio for arbitrarily large stochastic backgrounds, (ii) perfor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9710117","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/gr-qc/9710117/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":"2026-07-04T17:18:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tV1zZg1QeQp8EADL/8EcooW9ysQSZ3iiYW1EUQE37cMNoC98AUrPTMsd0BB9XPSCITc5F00HjdKQY00rq6KiAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T15:31:38.804510Z"},"content_sha256":"70114d70a7f489707a151f832eac31378ac8075f101e4ca784986a7d873508fc","schema_version":"1.0","event_id":"sha256:70114d70a7f489707a151f832eac31378ac8075f101e4ca784986a7d873508fc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GLFRVFFVQQEHY73YNZF2FQZX7T/bundle.json","state_url":"https://pith.science/pith/GLFRVFFVQQEHY73YNZF2FQZX7T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GLFRVFFVQQEHY73YNZF2FQZX7T/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":"2026-08-14T15:31:38Z","links":{"resolver":"https://pith.science/pith/GLFRVFFVQQEHY73YNZF2FQZX7T","bundle":"https://pith.science/pith/GLFRVFFVQQEHY73YNZF2FQZX7T/bundle.json","state":"https://pith.science/pith/GLFRVFFVQQEHY73YNZF2FQZX7T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GLFRVFFVQQEHY73YNZF2FQZX7T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:GLFRVFFVQQEHY73YNZF2FQZX7T","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":"9c12e4aedf8b5b9ddba53240a6144b918711f9480a8efd87a52c875a2ffd9de5","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1997-10-27T21:41:31Z","title_canon_sha256":"aa9e57867002876ba562e9b4aed2663ea0635f12a52b05eebdf9e5250ddaa413"},"schema_version":"1.0","source":{"id":"gr-qc/9710117","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9710117","created_at":"2026-07-04T17:18:23Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9710117v1","created_at":"2026-07-04T17:18:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9710117","created_at":"2026-07-04T17:18:23Z"},{"alias_kind":"pith_short_12","alias_value":"GLFRVFFVQQEH","created_at":"2026-07-04T17:18:23Z"},{"alias_kind":"pith_short_16","alias_value":"GLFRVFFVQQEHY73Y","created_at":"2026-07-04T17:18:23Z"},{"alias_kind":"pith_short_8","alias_value":"GLFRVFFV","created_at":"2026-07-04T17:18:23Z"}],"graph_snapshots":[{"event_id":"sha256:70114d70a7f489707a151f832eac31378ac8075f101e4ca784986a7d873508fc","target":"graph","created_at":"2026-07-04T17:18:23Z","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/gr-qc/9710117/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We analyze the signal processing required for the optimal detection of a stochastic background of gravitational radiation using laser interferometric detectors. Starting with basic assumptions about the statistical properties of a stochastic gravity-wave background, we derive expressions for the optimal filter function and signal-to-noise ratio for the cross-correlation of the outputs of two gravity-wave detectors. Sensitivity levels required for detection are then calculated. Issues related to: (i) calculating the signal-to-noise ratio for arbitrarily large stochastic backgrounds, (ii) perfor","authors_text":"Bruce Allen, Joseph D. Romano","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"1997-10-27T21:41:31Z","title":"Detecting a stochastic background of gravitational radiation: Signal processing strategies and sensitivities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9710117","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:c568a018da4708d9aedb362f5dd2df8f8481ba4122d892d8f8af8fc567794c4c","target":"record","created_at":"2026-07-04T17:18:23Z","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":"9c12e4aedf8b5b9ddba53240a6144b918711f9480a8efd87a52c875a2ffd9de5","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1997-10-27T21:41:31Z","title_canon_sha256":"aa9e57867002876ba562e9b4aed2663ea0635f12a52b05eebdf9e5250ddaa413"},"schema_version":"1.0","source":{"id":"gr-qc/9710117","kind":"arxiv","version":1}},"canonical_sha256":"32cb1a94b584087c7f786e4ba2c337fcc46a75787b64463e2b985ce0e1547561","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"32cb1a94b584087c7f786e4ba2c337fcc46a75787b64463e2b985ce0e1547561","first_computed_at":"2026-07-04T17:18:23.327927Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:18:23.327927Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ksb1JF/s0k6FCka6rvfHf4fABLUnebDOKGIE9g5daD0U7AMY9nEHNx92rpOE8efBsSSTnP30QwTE+GsK3LvSDA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:18:23.328269Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/9710117","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c568a018da4708d9aedb362f5dd2df8f8481ba4122d892d8f8af8fc567794c4c","sha256:70114d70a7f489707a151f832eac31378ac8075f101e4ca784986a7d873508fc"],"state_sha256":"a573d5b1b85be4d4c2ce1b714c8c888a7f0a80ca0cb4b54e202ca4877466689e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sEb81sZNNjGaJuNILcLVPkhNPBuup4AaU2bb7cNAMSt0KqVS4dv4/NcMxxlXgv/+S3DglxpVPwCMyHWigBnvAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T15:31:38.814357Z","bundle_sha256":"075b43eec19b35c3e3e6ec7171f614f17de262a1b74ba680f996816058443a2d"}}