{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:36XTQWEKZHZV2RIW24EAJQ3BM2","short_pith_number":"pith:36XTQWEK","canonical_record":{"source":{"id":"2109.11437","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-09-23T15:26:56Z","cross_cats_sorted":[],"title_canon_sha256":"58248311b0076a892fc419429c64e2638de9ac8330ff364e59a399e6de4403e3","abstract_canon_sha256":"f4052f94f2cd59426e30129c7ea2ef2b332efb334141d5bbdc1ebbcb3bab25ad"},"schema_version":"1.0"},"canonical_sha256":"dfaf38588ac9f35d4516d70804c36166934074eb2a49d7f48163709f6942a8b0","source":{"kind":"arxiv","id":"2109.11437","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.11437","created_at":"2026-07-05T03:45:44Z"},{"alias_kind":"arxiv_version","alias_value":"2109.11437v1","created_at":"2026-07-05T03:45:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.11437","created_at":"2026-07-05T03:45:44Z"},{"alias_kind":"pith_short_12","alias_value":"36XTQWEKZHZV","created_at":"2026-07-05T03:45:44Z"},{"alias_kind":"pith_short_16","alias_value":"36XTQWEKZHZV2RIW","created_at":"2026-07-05T03:45:44Z"},{"alias_kind":"pith_short_8","alias_value":"36XTQWEK","created_at":"2026-07-05T03:45:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:36XTQWEKZHZV2RIW24EAJQ3BM2","target":"record","payload":{"canonical_record":{"source":{"id":"2109.11437","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-09-23T15:26:56Z","cross_cats_sorted":[],"title_canon_sha256":"58248311b0076a892fc419429c64e2638de9ac8330ff364e59a399e6de4403e3","abstract_canon_sha256":"f4052f94f2cd59426e30129c7ea2ef2b332efb334141d5bbdc1ebbcb3bab25ad"},"schema_version":"1.0"},"canonical_sha256":"dfaf38588ac9f35d4516d70804c36166934074eb2a49d7f48163709f6942a8b0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:45:44.832462Z","signature_b64":"dHUMGMHmE6u6K4Mi5TQXqHCh5zvhMCL8uimnmIkQiRKFP5wh+D0b3XT76CsnFzqg9IU6IKCdlezkBy16aLshCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dfaf38588ac9f35d4516d70804c36166934074eb2a49d7f48163709f6942a8b0","last_reissued_at":"2026-07-05T03:45:44.832008Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:45:44.832008Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.11437","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":"2026-07-05T03:45:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ag0djw5dVVkG9YMAsioTke5wZyKaWCVFcss1qsyN8UxTqTMhKQ2JtTaj3AbXAaFcq825DvBosZE5tCU3HIEgAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T08:06:12.117420Z"},"content_sha256":"d38e5f5b84a67ef8404958c7a9c5e9d2320db1071d63b88b61b6c9e997be227f","schema_version":"1.0","event_id":"sha256:d38e5f5b84a67ef8404958c7a9c5e9d2320db1071d63b88b61b6c9e997be227f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:36XTQWEKZHZV2RIW24EAJQ3BM2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhancing high frequency sensitivity of gravitational wave detectors with sloshing-Sagnac interferometer","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Denis Martynov, Haixing Miao, Stefan Danilishin, Teng Zhang","submitted_at":"2021-09-23T15:26:56Z","abstract_excerpt":"Sensitivity of gravitational-wave detectors is limited in the high-frequency band by quantum shot noise and eventually limited by the optical loss in signal recycling cavity. This limit is the main obstacle on the way to detect gravitational waves from the binary neutron star mergers in the current and the future generation detectors, as it does not depend on either the arm length, or the injected squeezing level. In this paper, we come up with the sloshing Sagnac interferometer topology, which can be obtained from the Michelson interferometer by optically connecting the end mirrors into an ad"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.11437","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/2109.11437/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":"2026-07-05T03:45:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l1v+jz8+AclkjNUPgKPZpmj4hlLo+YDJlJr2ackUZncDIkQzMonDYeeWhtQ8S4wedNuRm0+zgC1U6rtWlelSCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T08:06:12.118084Z"},"content_sha256":"6b563f732aad0215a975c8bc10eaebcb0ce903ce9abc84ee4d20cc0a451158f0","schema_version":"1.0","event_id":"sha256:6b563f732aad0215a975c8bc10eaebcb0ce903ce9abc84ee4d20cc0a451158f0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/36XTQWEKZHZV2RIW24EAJQ3BM2/bundle.json","state_url":"https://pith.science/pith/36XTQWEKZHZV2RIW24EAJQ3BM2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/36XTQWEKZHZV2RIW24EAJQ3BM2/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":"2026-08-13T08:06:12Z","links":{"resolver":"https://pith.science/pith/36XTQWEKZHZV2RIW24EAJQ3BM2","bundle":"https://pith.science/pith/36XTQWEKZHZV2RIW24EAJQ3BM2/bundle.json","state":"https://pith.science/pith/36XTQWEKZHZV2RIW24EAJQ3BM2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/36XTQWEKZHZV2RIW24EAJQ3BM2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:36XTQWEKZHZV2RIW24EAJQ3BM2","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":"f4052f94f2cd59426e30129c7ea2ef2b332efb334141d5bbdc1ebbcb3bab25ad","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-09-23T15:26:56Z","title_canon_sha256":"58248311b0076a892fc419429c64e2638de9ac8330ff364e59a399e6de4403e3"},"schema_version":"1.0","source":{"id":"2109.11437","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.11437","created_at":"2026-07-05T03:45:44Z"},{"alias_kind":"arxiv_version","alias_value":"2109.11437v1","created_at":"2026-07-05T03:45:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.11437","created_at":"2026-07-05T03:45:44Z"},{"alias_kind":"pith_short_12","alias_value":"36XTQWEKZHZV","created_at":"2026-07-05T03:45:44Z"},{"alias_kind":"pith_short_16","alias_value":"36XTQWEKZHZV2RIW","created_at":"2026-07-05T03:45:44Z"},{"alias_kind":"pith_short_8","alias_value":"36XTQWEK","created_at":"2026-07-05T03:45:44Z"}],"graph_snapshots":[{"event_id":"sha256:6b563f732aad0215a975c8bc10eaebcb0ce903ce9abc84ee4d20cc0a451158f0","target":"graph","created_at":"2026-07-05T03:45:44Z","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/2109.11437/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Sensitivity of gravitational-wave detectors is limited in the high-frequency band by quantum shot noise and eventually limited by the optical loss in signal recycling cavity. This limit is the main obstacle on the way to detect gravitational waves from the binary neutron star mergers in the current and the future generation detectors, as it does not depend on either the arm length, or the injected squeezing level. In this paper, we come up with the sloshing Sagnac interferometer topology, which can be obtained from the Michelson interferometer by optically connecting the end mirrors into an ad","authors_text":"Denis Martynov, Haixing Miao, Stefan Danilishin, Teng Zhang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-09-23T15:26:56Z","title":"Enhancing high frequency sensitivity of gravitational wave detectors with sloshing-Sagnac interferometer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.11437","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:d38e5f5b84a67ef8404958c7a9c5e9d2320db1071d63b88b61b6c9e997be227f","target":"record","created_at":"2026-07-05T03:45:44Z","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":"f4052f94f2cd59426e30129c7ea2ef2b332efb334141d5bbdc1ebbcb3bab25ad","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-09-23T15:26:56Z","title_canon_sha256":"58248311b0076a892fc419429c64e2638de9ac8330ff364e59a399e6de4403e3"},"schema_version":"1.0","source":{"id":"2109.11437","kind":"arxiv","version":1}},"canonical_sha256":"dfaf38588ac9f35d4516d70804c36166934074eb2a49d7f48163709f6942a8b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dfaf38588ac9f35d4516d70804c36166934074eb2a49d7f48163709f6942a8b0","first_computed_at":"2026-07-05T03:45:44.832008Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:45:44.832008Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dHUMGMHmE6u6K4Mi5TQXqHCh5zvhMCL8uimnmIkQiRKFP5wh+D0b3XT76CsnFzqg9IU6IKCdlezkBy16aLshCA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:45:44.832462Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.11437","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d38e5f5b84a67ef8404958c7a9c5e9d2320db1071d63b88b61b6c9e997be227f","sha256:6b563f732aad0215a975c8bc10eaebcb0ce903ce9abc84ee4d20cc0a451158f0"],"state_sha256":"467bde7699fadf93732b3d71bb8cd854a1fed2c0f6d5fce284ada279c92986f4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"und9h2ijwnnpZRS1rY8AFVu2SvFnoLtmcn3BKlioaqhaZ9+NEKVdBqGWPDZPJC4CTVH0e+B7N22Y4V6HsBFZDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T08:06:12.122558Z","bundle_sha256":"0dd31e0ca9cfc44962d4e1ec84461f295bd87ea32145be98c6560545157c78e2"}}