{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:SEQAXO6XATPGCZOU53RJFSJ4TZ","short_pith_number":"pith:SEQAXO6X","canonical_record":{"source":{"id":"1711.08999","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-11-10T03:16:29Z","cross_cats_sorted":["hep-ex","hep-ph"],"title_canon_sha256":"5ba8aa06a587d8a1b94390152522c9aefc92e03f263277d91b6f3670a4dbbc3e","abstract_canon_sha256":"9faeaf411082f4d0782fe78a2cd045afb63a0661fe95a63677c615c2c0e2d1cb"},"schema_version":"1.0"},"canonical_sha256":"91200bbbd704de6165d4eee292c93c9e6507867262248154a26b669b0119fd4f","source":{"kind":"arxiv","id":"1711.08999","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.08999","created_at":"2026-05-18T00:01:53Z"},{"alias_kind":"arxiv_version","alias_value":"1711.08999v3","created_at":"2026-05-18T00:01:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.08999","created_at":"2026-05-18T00:01:53Z"},{"alias_kind":"pith_short_12","alias_value":"SEQAXO6XATPG","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SEQAXO6XATPGCZOU","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SEQAXO6X","created_at":"2026-05-18T12:31:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:SEQAXO6XATPGCZOU53RJFSJ4TZ","target":"record","payload":{"canonical_record":{"source":{"id":"1711.08999","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-11-10T03:16:29Z","cross_cats_sorted":["hep-ex","hep-ph"],"title_canon_sha256":"5ba8aa06a587d8a1b94390152522c9aefc92e03f263277d91b6f3670a4dbbc3e","abstract_canon_sha256":"9faeaf411082f4d0782fe78a2cd045afb63a0661fe95a63677c615c2c0e2d1cb"},"schema_version":"1.0"},"canonical_sha256":"91200bbbd704de6165d4eee292c93c9e6507867262248154a26b669b0119fd4f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:53.519938Z","signature_b64":"YF/xm4yFKbjwuRjIQtieyHi5DeHQnZmhnvUWPb8zG/X0XBCZvQiWd/+0uRXqsS+rP1NsT0P/XntY63rnVfZnAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"91200bbbd704de6165d4eee292c93c9e6507867262248154a26b669b0119fd4f","last_reissued_at":"2026-05-18T00:01:53.519537Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:53.519537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.08999","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:01:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LLKz5vpZxlT6sVbbENzxPstfT8KPhtDpS9xNl4Bwyttrv8rwQtzLYCRabPHGYWXD8Tkj5ACyzR15BepX90qsBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T07:04:28.838617Z"},"content_sha256":"9eae09b35def036c7d8f1f12a7a99e9a5f8d8f049fdd7e144f6ac5d256c43b10","schema_version":"1.0","event_id":"sha256:9eae09b35def036c7d8f1f12a7a99e9a5f8d8f049fdd7e144f6ac5d256c43b10"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:SEQAXO6XATPGCZOU53RJFSJ4TZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Overview of the Cosmic Axion Spin Precession Experiment (CASPEr)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-ph"],"primary_cat":"physics.ins-det","authors_text":"A. Garcon, A. O. Sushkov, A. Wickenbrock, A. Wilzewski, D. Aybas, D. Budker, D. F. Jackson Kimball, G. Centers, H. Luo, J. W. Blanchard, M. Engler, M. G. Sendra, N. L. Figueroa, P. W. Graham, S. Afach, S. Rajendran, T. Wang, T. Wu","submitted_at":"2017-11-10T03:16:29Z","abstract_excerpt":"An overview of our experimental program to search for axion and axion-like-particle (ALP) dark matter using nuclear magnetic resonance (NMR) techniques is presented. An oscillating axion field can exert a time-varying torque on nuclear spins either directly or via generation of an oscillating nuclear electric dipole moment (EDM). Magnetic resonance techniques can be used to detect such an effect. The first-stage experiments explore many decades of ALP parameter space beyond the current astrophysical and laboratory bounds. It is anticipated that future versions of the experiments will be sensit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.08999","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T00:01:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aYAUEFLsmKa5mwwehATrhxJSTSfE5KEaTQRU4/5gN1hpr9SFRKV/Yo7p52MC43R38NLQ+K0Mj2+zUm1w+pbGDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T07:04:28.839263Z"},"content_sha256":"21c8454895923e34ed5af5c8815094b8c75a1887fecfbae3e04a8b9e4307fe7a","schema_version":"1.0","event_id":"sha256:21c8454895923e34ed5af5c8815094b8c75a1887fecfbae3e04a8b9e4307fe7a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SEQAXO6XATPGCZOU53RJFSJ4TZ/bundle.json","state_url":"https://pith.science/pith/SEQAXO6XATPGCZOU53RJFSJ4TZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SEQAXO6XATPGCZOU53RJFSJ4TZ/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":"2026-05-25T07:04:28Z","links":{"resolver":"https://pith.science/pith/SEQAXO6XATPGCZOU53RJFSJ4TZ","bundle":"https://pith.science/pith/SEQAXO6XATPGCZOU53RJFSJ4TZ/bundle.json","state":"https://pith.science/pith/SEQAXO6XATPGCZOU53RJFSJ4TZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SEQAXO6XATPGCZOU53RJFSJ4TZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:SEQAXO6XATPGCZOU53RJFSJ4TZ","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":"9faeaf411082f4d0782fe78a2cd045afb63a0661fe95a63677c615c2c0e2d1cb","cross_cats_sorted":["hep-ex","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-11-10T03:16:29Z","title_canon_sha256":"5ba8aa06a587d8a1b94390152522c9aefc92e03f263277d91b6f3670a4dbbc3e"},"schema_version":"1.0","source":{"id":"1711.08999","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.08999","created_at":"2026-05-18T00:01:53Z"},{"alias_kind":"arxiv_version","alias_value":"1711.08999v3","created_at":"2026-05-18T00:01:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.08999","created_at":"2026-05-18T00:01:53Z"},{"alias_kind":"pith_short_12","alias_value":"SEQAXO6XATPG","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SEQAXO6XATPGCZOU","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SEQAXO6X","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:21c8454895923e34ed5af5c8815094b8c75a1887fecfbae3e04a8b9e4307fe7a","target":"graph","created_at":"2026-05-18T00:01:53Z","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":"An overview of our experimental program to search for axion and axion-like-particle (ALP) dark matter using nuclear magnetic resonance (NMR) techniques is presented. An oscillating axion field can exert a time-varying torque on nuclear spins either directly or via generation of an oscillating nuclear electric dipole moment (EDM). Magnetic resonance techniques can be used to detect such an effect. The first-stage experiments explore many decades of ALP parameter space beyond the current astrophysical and laboratory bounds. It is anticipated that future versions of the experiments will be sensit","authors_text":"A. Garcon, A. O. Sushkov, A. Wickenbrock, A. Wilzewski, D. Aybas, D. Budker, D. F. Jackson Kimball, G. Centers, H. Luo, J. W. Blanchard, M. Engler, M. G. Sendra, N. L. Figueroa, P. W. Graham, S. Afach, S. Rajendran, T. Wang, T. Wu","cross_cats":["hep-ex","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-11-10T03:16:29Z","title":"Overview of the Cosmic Axion Spin Precession Experiment (CASPEr)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.08999","kind":"arxiv","version":3},"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":"sha256:9eae09b35def036c7d8f1f12a7a99e9a5f8d8f049fdd7e144f6ac5d256c43b10","target":"record","created_at":"2026-05-18T00:01:53Z","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":"9faeaf411082f4d0782fe78a2cd045afb63a0661fe95a63677c615c2c0e2d1cb","cross_cats_sorted":["hep-ex","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-11-10T03:16:29Z","title_canon_sha256":"5ba8aa06a587d8a1b94390152522c9aefc92e03f263277d91b6f3670a4dbbc3e"},"schema_version":"1.0","source":{"id":"1711.08999","kind":"arxiv","version":3}},"canonical_sha256":"91200bbbd704de6165d4eee292c93c9e6507867262248154a26b669b0119fd4f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"91200bbbd704de6165d4eee292c93c9e6507867262248154a26b669b0119fd4f","first_computed_at":"2026-05-18T00:01:53.519537Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:53.519537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YF/xm4yFKbjwuRjIQtieyHi5DeHQnZmhnvUWPb8zG/X0XBCZvQiWd/+0uRXqsS+rP1NsT0P/XntY63rnVfZnAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:53.519938Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.08999","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9eae09b35def036c7d8f1f12a7a99e9a5f8d8f049fdd7e144f6ac5d256c43b10","sha256:21c8454895923e34ed5af5c8815094b8c75a1887fecfbae3e04a8b9e4307fe7a"],"state_sha256":"ff2d3e408db7250c95d957eb6c389157eefa347e4e7e72dce7fd69a596fe761e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3viZK+TdunJ1rt/Kd5xnv5Zzor2Gq616Bl9C+hjNd9tCH8KN6HKuoPRkf4rV7F6EmL1QbLhl1SRwUXRANtNhBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T07:04:28.842256Z","bundle_sha256":"f95d204694265432aa8f7dbc64dace69c5a9791f3cc6a760a7fb72794d76da30"}}