{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:RJ2CA5AYHLQWIR2BUROV6M3GUB","short_pith_number":"pith:RJ2CA5AY","schema_version":"1.0","canonical_sha256":"8a742074183ae1644741a45d5f3366a0523dac684a99a5943ec8c00fa019effc","source":{"kind":"arxiv","id":"0803.4094","version":2},"attestation_state":"computed","paper":{"title":"Search for a stochastic background of 100-MHz gravitational waves with laser interferometers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Atsushi Nishizawa, Daisuke Tatsumi, Erina Nishida, Kazuhiro Yamamoto, Koji Arai, Masa-Katsu Fujimoto, Mitsuhiro Fukushima, Naoshi Sugiyama, Ryuichi Takahashi, Seiji Kawamura, Shigeo Nagano, Takeshi Chiba, Tomotada Akutsu, Toshitaka Yamazaki","submitted_at":"2008-03-28T12:55:44Z","abstract_excerpt":"This letter reports the results of a search for a stochastic background of gravitational waves (GW) at 100 MHz by laser interferometry. We have developed a GW detector, which is a pair of 75-cm baseline synchronous recycling (resonant recycling) interferometers. Each interferometer has a strain sensitivity of ~ 10^{-16} Hz^{-1/2} at 100 MHz. By cross-correlating the outputs of the two interferometers within 1000 seconds, we found h_{100}^2 Omega_{gw} < 6 times 10^{25} to be an upper limit on the energy density spectrum of the GW background in a 2-kHz bandwidth around 100 MHz, where a flat spec"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0803.4094","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-03-28T12:55:44Z","cross_cats_sorted":[],"title_canon_sha256":"782d06e8c43f718eca96fd141a56bb29899b7f456902d8b2f243b7650571c8c9","abstract_canon_sha256":"d801afe33e91b6d575f96852e121f6286fe7e7dfa8172dcd037823aa05facf0b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:29:57.159132Z","signature_b64":"dFw5QQhkr+UFQ2e3i0go3H4anL2Pwtw7DfV3ixZzQNqT76P+fxL+V8DFXaXTNArwIirr0KDrPTtdGqHJN9ERCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8a742074183ae1644741a45d5f3366a0523dac684a99a5943ec8c00fa019effc","last_reissued_at":"2026-07-04T15:29:57.158664Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:29:57.158664Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Search for a stochastic background of 100-MHz gravitational waves with laser interferometers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Atsushi Nishizawa, Daisuke Tatsumi, Erina Nishida, Kazuhiro Yamamoto, Koji Arai, Masa-Katsu Fujimoto, Mitsuhiro Fukushima, Naoshi Sugiyama, Ryuichi Takahashi, Seiji Kawamura, Shigeo Nagano, Takeshi Chiba, Tomotada Akutsu, Toshitaka Yamazaki","submitted_at":"2008-03-28T12:55:44Z","abstract_excerpt":"This letter reports the results of a search for a stochastic background of gravitational waves (GW) at 100 MHz by laser interferometry. We have developed a GW detector, which is a pair of 75-cm baseline synchronous recycling (resonant recycling) interferometers. Each interferometer has a strain sensitivity of ~ 10^{-16} Hz^{-1/2} at 100 MHz. By cross-correlating the outputs of the two interferometers within 1000 seconds, we found h_{100}^2 Omega_{gw} < 6 times 10^{25} to be an upper limit on the energy density spectrum of the GW background in a 2-kHz bandwidth around 100 MHz, where a flat spec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.4094","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/0803.4094/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0803.4094","created_at":"2026-07-04T15:29:57.158722+00:00"},{"alias_kind":"arxiv_version","alias_value":"0803.4094v2","created_at":"2026-07-04T15:29:57.158722+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.4094","created_at":"2026-07-04T15:29:57.158722+00:00"},{"alias_kind":"pith_short_12","alias_value":"RJ2CA5AYHLQW","created_at":"2026-07-04T15:29:57.158722+00:00"},{"alias_kind":"pith_short_16","alias_value":"RJ2CA5AYHLQWIR2B","created_at":"2026-07-04T15:29:57.158722+00:00"},{"alias_kind":"pith_short_8","alias_value":"RJ2CA5AY","created_at":"2026-07-04T15:29:57.158722+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2602.07972","citing_title":"Self-resonance preheating in deformed attractor models: oscillon formation and evolution","ref_index":140,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RJ2CA5AYHLQWIR2BUROV6M3GUB","json":"https://pith.science/pith/RJ2CA5AYHLQWIR2BUROV6M3GUB.json","graph_json":"https://pith.science/api/pith-number/RJ2CA5AYHLQWIR2BUROV6M3GUB/graph.json","events_json":"https://pith.science/api/pith-number/RJ2CA5AYHLQWIR2BUROV6M3GUB/events.json","paper":"https://pith.science/paper/RJ2CA5AY"},"agent_actions":{"view_html":"https://pith.science/pith/RJ2CA5AYHLQWIR2BUROV6M3GUB","download_json":"https://pith.science/pith/RJ2CA5AYHLQWIR2BUROV6M3GUB.json","view_paper":"https://pith.science/paper/RJ2CA5AY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0803.4094&json=true","fetch_graph":"https://pith.science/api/pith-number/RJ2CA5AYHLQWIR2BUROV6M3GUB/graph.json","fetch_events":"https://pith.science/api/pith-number/RJ2CA5AYHLQWIR2BUROV6M3GUB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RJ2CA5AYHLQWIR2BUROV6M3GUB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RJ2CA5AYHLQWIR2BUROV6M3GUB/action/storage_attestation","attest_author":"https://pith.science/pith/RJ2CA5AYHLQWIR2BUROV6M3GUB/action/author_attestation","sign_citation":"https://pith.science/pith/RJ2CA5AYHLQWIR2BUROV6M3GUB/action/citation_signature","submit_replication":"https://pith.science/pith/RJ2CA5AYHLQWIR2BUROV6M3GUB/action/replication_record"}},"created_at":"2026-07-04T15:29:57.158722+00:00","updated_at":"2026-07-04T15:29:57.158722+00:00"}