{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:BPZ4HTQ6UB7AEV6URSLOR73RBR","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":"5a05446a3329e9a0955eadecf0fc51a4f6595c678ff7cc1cfabc2a9f77b09bfc","cross_cats_sorted":["astro-ph.CO","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-03-12T21:47:52Z","title_canon_sha256":"30c7a3dd831c37e77c25c9a847cc9facda59832da5fcf3976351deb3acd81319"},"schema_version":"1.0","source":{"id":"1403.3121","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.3121","created_at":"2026-05-18T02:26:39Z"},{"alias_kind":"arxiv_version","alias_value":"1403.3121v4","created_at":"2026-05-18T02:26:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.3121","created_at":"2026-05-18T02:26:39Z"},{"alias_kind":"pith_short_12","alias_value":"BPZ4HTQ6UB7A","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BPZ4HTQ6UB7AEV6U","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BPZ4HTQ6","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:409d1ddefd07a2ea68625429f66881ff36a8af03ce71ef160f4bfc35da372c23","target":"graph","created_at":"2026-05-18T02:26:39Z","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"},"paper":{"abstract_excerpt":"Axions are well motivated particles that could make up most or all of the dark matter if they have masses below 100 $\\mu$eV. Microwave cavity techniques comprised of closed resonant structures immersed in solenoid magnets are sensitive to dark matter axions with masses of a few $\\mu$eV, but face difficulties scaling to higher masses. We present the a novel detector architecture consisting of an open, Fabry-P\\'{e}rot resonator and a series of current-carrying wire planes, and demonstrate this technique with a search for dark matter axion-like particles called Orpheus. This search excludes dark ","authors_text":"Andrew Wagner, Aryeh Brill, Gray Rybka, Katleiah Ramos, Kunal Patel, Robert Percival","cross_cats":["astro-ph.CO","astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-03-12T21:47:52Z","title":"A Search for Dark Matter Axions with the Orpheus Experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.3121","kind":"arxiv","version":4},"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":"sha256:1cd0ad06450f0ca628fbbca583a8afd658b6db73817eb7777bab63ef9a050527","target":"record","created_at":"2026-05-18T02:26:39Z","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":"5a05446a3329e9a0955eadecf0fc51a4f6595c678ff7cc1cfabc2a9f77b09bfc","cross_cats_sorted":["astro-ph.CO","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-03-12T21:47:52Z","title_canon_sha256":"30c7a3dd831c37e77c25c9a847cc9facda59832da5fcf3976351deb3acd81319"},"schema_version":"1.0","source":{"id":"1403.3121","kind":"arxiv","version":4}},"canonical_sha256":"0bf3c3ce1ea07e0257d48c96e8ff710c57365634e70b177ff9acf9421f72eb8a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0bf3c3ce1ea07e0257d48c96e8ff710c57365634e70b177ff9acf9421f72eb8a","first_computed_at":"2026-05-18T02:26:39.202841Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:26:39.202841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1P9sJ4agzGJBZOd9l6+la0yHYwzZpRoe9cZ/+n+JF5uj/Zwmkw1+LyiAkC5VjL7Ki/H+tg5mvAQquX2/tRZsAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:26:39.203269Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.3121","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1cd0ad06450f0ca628fbbca583a8afd658b6db73817eb7777bab63ef9a050527","sha256:409d1ddefd07a2ea68625429f66881ff36a8af03ce71ef160f4bfc35da372c23"],"state_sha256":"712eeb26d32b5adfaf2828a63ac1628077d5780320c08d1e22844be9e0fc29bd"}