{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:UNJLBVO55EKTPAVSAT5XCOBFPN","short_pith_number":"pith:UNJLBVO5","canonical_record":{"source":{"id":"1509.07693","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-09-25T12:22:27Z","cross_cats_sorted":[],"title_canon_sha256":"415bff89d2045987175a0231ed992b6b24b9cf39fd83c4b194ead20fe85b230c","abstract_canon_sha256":"5546791a58267bf0cab9a2f8d0a1bdfaf386a2e6b94b48e7a0264047af45cecd"},"schema_version":"1.0"},"canonical_sha256":"a352b0d5dde9153782b204fb7138257b6ed9f82faa16b56666b1ffff0222cc3f","source":{"kind":"arxiv","id":"1509.07693","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.07693","created_at":"2026-05-18T01:32:02Z"},{"alias_kind":"arxiv_version","alias_value":"1509.07693v1","created_at":"2026-05-18T01:32:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.07693","created_at":"2026-05-18T01:32:02Z"},{"alias_kind":"pith_short_12","alias_value":"UNJLBVO55EKT","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UNJLBVO55EKTPAVS","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UNJLBVO5","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:UNJLBVO55EKTPAVSAT5XCOBFPN","target":"record","payload":{"canonical_record":{"source":{"id":"1509.07693","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-09-25T12:22:27Z","cross_cats_sorted":[],"title_canon_sha256":"415bff89d2045987175a0231ed992b6b24b9cf39fd83c4b194ead20fe85b230c","abstract_canon_sha256":"5546791a58267bf0cab9a2f8d0a1bdfaf386a2e6b94b48e7a0264047af45cecd"},"schema_version":"1.0"},"canonical_sha256":"a352b0d5dde9153782b204fb7138257b6ed9f82faa16b56666b1ffff0222cc3f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:02.160442Z","signature_b64":"YHn7nVzWBU9s8BT9hAJMj+HAec+/hw3YRB+pXX1Em1m+V3F5G7tkaPqLx2FhE5TVB4FGtffI2+VGk/3Ju+f+Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a352b0d5dde9153782b204fb7138257b6ed9f82faa16b56666b1ffff0222cc3f","last_reissued_at":"2026-05-18T01:32:02.160006Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:02.160006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.07693","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":"2026-05-18T01:32:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"snxdZQMQQgNuDwj4Av35zc/5Pcuue+B7SOhNAE0vIggAM2c5BweSlQWkJR+TkXlzvG+wbMdOb+Ivh5ikzVz5AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:00:12.577639Z"},"content_sha256":"0a125139d70547faa6fbf88f170ef3b5dd8d5599f9cc4d155db57536e9624af8","schema_version":"1.0","event_id":"sha256:0a125139d70547faa6fbf88f170ef3b5dd8d5599f9cc4d155db57536e9624af8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:UNJLBVO55EKTPAVSAT5XCOBFPN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Preliminary Results of the CASCADE Hidden Sector Photon Search","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Amos Dexter, Andrew Moss, Graeme Burt, Ian Bailey, John Dainton, Matti Kalliokoski, Michael Jenkins, Nathan Woollett, Peter Williams, Phillipe Goudket, Shrikant Pattalwar, Swapan Chattopadhyay, Trina Thakker","submitted_at":"2015-09-25T12:22:27Z","abstract_excerpt":"Light shining through a wall experiments can be used to make measurements of photon-WISP couplings. The first stage of the CASCADE experiment at the Cockcroft Institute of Accelerator Science and Technology is intended to be a proof-of-principle experiment utilising standard microwave technologies to make a modular, cryogenic HSP detector to take advantage of future high-power superconducting cavity tests. In these proceedings we will be presenting the preliminary results of the CASCADE LSW experiment showing a peak expected exclusion of $1.10 \\times 10^{-8}$ in the mass range from 1.96$\\mu$eV"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.07693","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":""},"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":"2026-05-18T01:32:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0tXaXkOHQu8HcKtfBrgO4yj72/Cs5cnSpwb3+zs7TCmmtR2vwJQqfEd32vt+ez9da0iQRaN3iCUKlPdBYfc3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:00:12.577995Z"},"content_sha256":"152807ff46a6c71d04dd5b090355ac02e15de4bb5786165924fdb8a2cbce12e4","schema_version":"1.0","event_id":"sha256:152807ff46a6c71d04dd5b090355ac02e15de4bb5786165924fdb8a2cbce12e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UNJLBVO55EKTPAVSAT5XCOBFPN/bundle.json","state_url":"https://pith.science/pith/UNJLBVO55EKTPAVSAT5XCOBFPN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UNJLBVO55EKTPAVSAT5XCOBFPN/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":"2026-06-02T06:00:12Z","links":{"resolver":"https://pith.science/pith/UNJLBVO55EKTPAVSAT5XCOBFPN","bundle":"https://pith.science/pith/UNJLBVO55EKTPAVSAT5XCOBFPN/bundle.json","state":"https://pith.science/pith/UNJLBVO55EKTPAVSAT5XCOBFPN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UNJLBVO55EKTPAVSAT5XCOBFPN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:UNJLBVO55EKTPAVSAT5XCOBFPN","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":"5546791a58267bf0cab9a2f8d0a1bdfaf386a2e6b94b48e7a0264047af45cecd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-09-25T12:22:27Z","title_canon_sha256":"415bff89d2045987175a0231ed992b6b24b9cf39fd83c4b194ead20fe85b230c"},"schema_version":"1.0","source":{"id":"1509.07693","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.07693","created_at":"2026-05-18T01:32:02Z"},{"alias_kind":"arxiv_version","alias_value":"1509.07693v1","created_at":"2026-05-18T01:32:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.07693","created_at":"2026-05-18T01:32:02Z"},{"alias_kind":"pith_short_12","alias_value":"UNJLBVO55EKT","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UNJLBVO55EKTPAVS","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UNJLBVO5","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:152807ff46a6c71d04dd5b090355ac02e15de4bb5786165924fdb8a2cbce12e4","target":"graph","created_at":"2026-05-18T01:32:02Z","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":"Light shining through a wall experiments can be used to make measurements of photon-WISP couplings. The first stage of the CASCADE experiment at the Cockcroft Institute of Accelerator Science and Technology is intended to be a proof-of-principle experiment utilising standard microwave technologies to make a modular, cryogenic HSP detector to take advantage of future high-power superconducting cavity tests. In these proceedings we will be presenting the preliminary results of the CASCADE LSW experiment showing a peak expected exclusion of $1.10 \\times 10^{-8}$ in the mass range from 1.96$\\mu$eV","authors_text":"Amos Dexter, Andrew Moss, Graeme Burt, Ian Bailey, John Dainton, Matti Kalliokoski, Michael Jenkins, Nathan Woollett, Peter Williams, Phillipe Goudket, Shrikant Pattalwar, Swapan Chattopadhyay, Trina Thakker","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-09-25T12:22:27Z","title":"Preliminary Results of the CASCADE Hidden Sector Photon Search"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.07693","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":"sha256:0a125139d70547faa6fbf88f170ef3b5dd8d5599f9cc4d155db57536e9624af8","target":"record","created_at":"2026-05-18T01:32:02Z","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":"5546791a58267bf0cab9a2f8d0a1bdfaf386a2e6b94b48e7a0264047af45cecd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-09-25T12:22:27Z","title_canon_sha256":"415bff89d2045987175a0231ed992b6b24b9cf39fd83c4b194ead20fe85b230c"},"schema_version":"1.0","source":{"id":"1509.07693","kind":"arxiv","version":1}},"canonical_sha256":"a352b0d5dde9153782b204fb7138257b6ed9f82faa16b56666b1ffff0222cc3f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a352b0d5dde9153782b204fb7138257b6ed9f82faa16b56666b1ffff0222cc3f","first_computed_at":"2026-05-18T01:32:02.160006Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:02.160006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YHn7nVzWBU9s8BT9hAJMj+HAec+/hw3YRB+pXX1Em1m+V3F5G7tkaPqLx2FhE5TVB4FGtffI2+VGk/3Ju+f+Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:02.160442Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.07693","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0a125139d70547faa6fbf88f170ef3b5dd8d5599f9cc4d155db57536e9624af8","sha256:152807ff46a6c71d04dd5b090355ac02e15de4bb5786165924fdb8a2cbce12e4"],"state_sha256":"8558fb011400efd22ca11ad704e5c2e62acbc8e8290a2ba0f85552ad05da2b83"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sqp8+2SGZ3uRMsqE1KxEz1jhxxSA6jhfEI5lsOsVPiAuc7PblydORiBAA/k5A1Vhmppa4jy9XydRLMsXI2EBBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T06:00:12.580303Z","bundle_sha256":"0ee1a77540d3de3638228aaac407da781455b660f5ae0d5d0cdbd9dcc63420d4"}}