{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:MN4FPG4AANLG6VSISTJSBGPDRS","short_pith_number":"pith:MN4FPG4A","canonical_record":{"source":{"id":"2105.08347","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-05-18T08:13:40Z","cross_cats_sorted":["astro-ph.IM","hep-ph"],"title_canon_sha256":"445e471cc2fe9462362728a388cacc8e904d30bcd64b6c7a984cf3bd101f4e15","abstract_canon_sha256":"fd20e2e8919ac7affce927541878c29234a9664334912712c94b9628d93308fb"},"schema_version":"1.0"},"canonical_sha256":"6378579b8003566f564894d32099e38c969418588520dda395ebae27aa1e5cfc","source":{"kind":"arxiv","id":"2105.08347","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.08347","created_at":"2026-07-05T02:40:54Z"},{"alias_kind":"arxiv_version","alias_value":"2105.08347v1","created_at":"2026-07-05T02:40:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.08347","created_at":"2026-07-05T02:40:54Z"},{"alias_kind":"pith_short_12","alias_value":"MN4FPG4AANLG","created_at":"2026-07-05T02:40:54Z"},{"alias_kind":"pith_short_16","alias_value":"MN4FPG4AANLG6VSI","created_at":"2026-07-05T02:40:54Z"},{"alias_kind":"pith_short_8","alias_value":"MN4FPG4A","created_at":"2026-07-05T02:40:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:MN4FPG4AANLG6VSISTJSBGPDRS","target":"record","payload":{"canonical_record":{"source":{"id":"2105.08347","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-05-18T08:13:40Z","cross_cats_sorted":["astro-ph.IM","hep-ph"],"title_canon_sha256":"445e471cc2fe9462362728a388cacc8e904d30bcd64b6c7a984cf3bd101f4e15","abstract_canon_sha256":"fd20e2e8919ac7affce927541878c29234a9664334912712c94b9628d93308fb"},"schema_version":"1.0"},"canonical_sha256":"6378579b8003566f564894d32099e38c969418588520dda395ebae27aa1e5cfc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:40:54.559678Z","signature_b64":"xYpvbJjdOLCESkPVjiIOfcFgyIu8ZzdTgC5a2U8bLNLMTX/twPdAn8SqduU6JSWJy3ITxbXMwfSTmpRmqFtAAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6378579b8003566f564894d32099e38c969418588520dda395ebae27aa1e5cfc","last_reissued_at":"2026-07-05T02:40:54.559165Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:40:54.559165Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.08347","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":"2026-07-05T02:40:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D4EQ4hkMRbERkvTtqnJ96lXwuuVWLsd0tBzsAfDR3Kg522McAZBFT+ifyJw83DzlfKhDmx+Ip3nGoVVZv5D4DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T15:11:48.267698Z"},"content_sha256":"1269eb52cc1da9635b789172399ca39509e97baa30b142fb98a74dae0621d850","schema_version":"1.0","event_id":"sha256:1269eb52cc1da9635b789172399ca39509e97baa30b142fb98a74dae0621d850"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:MN4FPG4AANLG6VSISTJSBGPDRS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark matter Axion search with riNg Cavity Experiment DANCE: Development of control system for long-term measurement","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.IM","hep-ph"],"primary_cat":"physics.ins-det","authors_text":"Hiroki Fujimoto, Ippei Obata, Koji Nagano, Masaki Ando, Tomohiro Fujita, Yuka Oshima, Yuta Michimura","submitted_at":"2021-05-18T08:13:40Z","abstract_excerpt":"Axion-like particles (ALPs) are pseudo-scalar particles that are candidates for ultralight dark matter. ALPs interact with photons slightly and cause the rotational oscillation of linear polarization. DANCE searches for ALP dark matter by enhancing the rotational oscillation in a bow-tie ring cavity. The signal to noise ratio of DANCE can be improved by long-term observation, and we are planning a year-long observation for the final DANCE. In this document, I will report on the control systems of the ring cavity we developed for the future long-term observation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.08347","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/2105.08347/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":"2026-07-05T02:40:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6U4CAX29PnKrpnSdCbxrPNosyLY0p5eVEmIYqXuzwbv9zUKZ2qkbvKl8nK6vevRozjcE8YpLkbwnrijyPguzAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T15:11:48.268064Z"},"content_sha256":"06fc489eced80f953b16b36fe67f4067b140891c45e2f8c95552c726c7d9d7df","schema_version":"1.0","event_id":"sha256:06fc489eced80f953b16b36fe67f4067b140891c45e2f8c95552c726c7d9d7df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MN4FPG4AANLG6VSISTJSBGPDRS/bundle.json","state_url":"https://pith.science/pith/MN4FPG4AANLG6VSISTJSBGPDRS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MN4FPG4AANLG6VSISTJSBGPDRS/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":"2026-07-13T15:11:48Z","links":{"resolver":"https://pith.science/pith/MN4FPG4AANLG6VSISTJSBGPDRS","bundle":"https://pith.science/pith/MN4FPG4AANLG6VSISTJSBGPDRS/bundle.json","state":"https://pith.science/pith/MN4FPG4AANLG6VSISTJSBGPDRS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MN4FPG4AANLG6VSISTJSBGPDRS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:MN4FPG4AANLG6VSISTJSBGPDRS","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":"fd20e2e8919ac7affce927541878c29234a9664334912712c94b9628d93308fb","cross_cats_sorted":["astro-ph.IM","hep-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-05-18T08:13:40Z","title_canon_sha256":"445e471cc2fe9462362728a388cacc8e904d30bcd64b6c7a984cf3bd101f4e15"},"schema_version":"1.0","source":{"id":"2105.08347","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.08347","created_at":"2026-07-05T02:40:54Z"},{"alias_kind":"arxiv_version","alias_value":"2105.08347v1","created_at":"2026-07-05T02:40:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.08347","created_at":"2026-07-05T02:40:54Z"},{"alias_kind":"pith_short_12","alias_value":"MN4FPG4AANLG","created_at":"2026-07-05T02:40:54Z"},{"alias_kind":"pith_short_16","alias_value":"MN4FPG4AANLG6VSI","created_at":"2026-07-05T02:40:54Z"},{"alias_kind":"pith_short_8","alias_value":"MN4FPG4A","created_at":"2026-07-05T02:40:54Z"}],"graph_snapshots":[{"event_id":"sha256:06fc489eced80f953b16b36fe67f4067b140891c45e2f8c95552c726c7d9d7df","target":"graph","created_at":"2026-07-05T02:40:54Z","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/2105.08347/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Axion-like particles (ALPs) are pseudo-scalar particles that are candidates for ultralight dark matter. ALPs interact with photons slightly and cause the rotational oscillation of linear polarization. DANCE searches for ALP dark matter by enhancing the rotational oscillation in a bow-tie ring cavity. The signal to noise ratio of DANCE can be improved by long-term observation, and we are planning a year-long observation for the final DANCE. In this document, I will report on the control systems of the ring cavity we developed for the future long-term observation.","authors_text":"Hiroki Fujimoto, Ippei Obata, Koji Nagano, Masaki Ando, Tomohiro Fujita, Yuka Oshima, Yuta Michimura","cross_cats":["astro-ph.IM","hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-05-18T08:13:40Z","title":"Dark matter Axion search with riNg Cavity Experiment DANCE: Development of control system for long-term measurement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.08347","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":"sha256:1269eb52cc1da9635b789172399ca39509e97baa30b142fb98a74dae0621d850","target":"record","created_at":"2026-07-05T02:40:54Z","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":"fd20e2e8919ac7affce927541878c29234a9664334912712c94b9628d93308fb","cross_cats_sorted":["astro-ph.IM","hep-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-05-18T08:13:40Z","title_canon_sha256":"445e471cc2fe9462362728a388cacc8e904d30bcd64b6c7a984cf3bd101f4e15"},"schema_version":"1.0","source":{"id":"2105.08347","kind":"arxiv","version":1}},"canonical_sha256":"6378579b8003566f564894d32099e38c969418588520dda395ebae27aa1e5cfc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6378579b8003566f564894d32099e38c969418588520dda395ebae27aa1e5cfc","first_computed_at":"2026-07-05T02:40:54.559165Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:40:54.559165Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xYpvbJjdOLCESkPVjiIOfcFgyIu8ZzdTgC5a2U8bLNLMTX/twPdAn8SqduU6JSWJy3ITxbXMwfSTmpRmqFtAAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:40:54.559678Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.08347","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1269eb52cc1da9635b789172399ca39509e97baa30b142fb98a74dae0621d850","sha256:06fc489eced80f953b16b36fe67f4067b140891c45e2f8c95552c726c7d9d7df"],"state_sha256":"ef3e7c9680eb65adc79033a29da13bc55112bef325fecc87dc74e7f04fec11a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gZb3AxLGqKS+slrBNGIrgUhjJHeKW437cnoggTTznajGF0keb+YEJg+/G7jPei0BKcudtJqL+ehVyvrMcEzIDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-13T15:11:48.270502Z","bundle_sha256":"203e46cea680a056db8519715d82864d925faf278a4188ef995981f85f9baa57"}}