{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:UBHUZK4TO3D7S25XUG3LFAFMUN","short_pith_number":"pith:UBHUZK4T","canonical_record":{"source":{"id":"0806.2631","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-06-16T17:37:16Z","cross_cats_sorted":["astro-ph","hep-ph","physics.optics"],"title_canon_sha256":"fc6944e14779fb54607daf4275479a13ea2afa82b1a3b0fce57275518feb9941","abstract_canon_sha256":"017a2ae70d54d665fb137a21a025581c04edd1d13f99351f8d81aa347d9cd054"},"schema_version":"1.0"},"canonical_sha256":"a04f4cab9376c7f96bb7a1b6b280aca368f954b94dba0fb830baca7d462277d5","source":{"kind":"arxiv","id":"0806.2631","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.2631","created_at":"2026-07-04T15:30:16Z"},{"alias_kind":"arxiv_version","alias_value":"0806.2631v1","created_at":"2026-07-04T15:30:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.2631","created_at":"2026-07-04T15:30:16Z"},{"alias_kind":"pith_short_12","alias_value":"UBHUZK4TO3D7","created_at":"2026-07-04T15:30:16Z"},{"alias_kind":"pith_short_16","alias_value":"UBHUZK4TO3D7S25X","created_at":"2026-07-04T15:30:16Z"},{"alias_kind":"pith_short_8","alias_value":"UBHUZK4T","created_at":"2026-07-04T15:30:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:UBHUZK4TO3D7S25XUG3LFAFMUN","target":"record","payload":{"canonical_record":{"source":{"id":"0806.2631","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-06-16T17:37:16Z","cross_cats_sorted":["astro-ph","hep-ph","physics.optics"],"title_canon_sha256":"fc6944e14779fb54607daf4275479a13ea2afa82b1a3b0fce57275518feb9941","abstract_canon_sha256":"017a2ae70d54d665fb137a21a025581c04edd1d13f99351f8d81aa347d9cd054"},"schema_version":"1.0"},"canonical_sha256":"a04f4cab9376c7f96bb7a1b6b280aca368f954b94dba0fb830baca7d462277d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:30:16.434031Z","signature_b64":"sHRCX3MFiL0lqs+hQDEmFO5Z7m3d8sbR+stZuOLSoRKwvna9zaFiOd/RtcZSCqela4IzoQx6IR084kMSmPPYDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a04f4cab9376c7f96bb7a1b6b280aca368f954b94dba0fb830baca7d462277d5","last_reissued_at":"2026-07-04T15:30:16.433630Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:30:16.433630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0806.2631","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":"2026-07-04T15:30:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lg3dl7eDvdSYerqk6z5QNmtdKzpktQj5Mi2lxg7cYqUbiYp21TNzXjmoaukRX01vE06s6joJDcZIBU5b8QX8Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-20T19:01:53.990584Z"},"content_sha256":"f56eb1517875765b341d504d8500617063444f5aa0ef55765e31a05dd2ac9bf8","schema_version":"1.0","event_id":"sha256:f56eb1517875765b341d504d8500617063444f5aa0ef55765e31a05dd2ac9bf8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:UBHUZK4TO3D7S25XUG3LFAFMUN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New Experimental limit on Optical Photon Coupling to Neutral, Scalar Bosons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph","hep-ph","physics.optics"],"primary_cat":"hep-ex","authors_text":"A. Afanasev, G. Biallas, J. Boyce, K.B. Beard, M. Minarni, M. Shinn, O.K. Baker, P. Slocum, R. Ramdon","submitted_at":"2008-06-16T17:37:16Z","abstract_excerpt":"We report on the first results of a sensitive search for scalar coupling of photons to a light neutral boson in the mass range of approximately 1.0 milli-electron volts and coupling strength greater than 10$^-6$ GeV$^-1$ using optical photons. This was a photon regeneration experiment using the \"light shining through a wall\" technique in which laser light was passed through a strong magnetic field upstream of an optical beam dump; regenerated laser light was then searched for downstream of a second magnetic field region optically shielded from the former. Our results show no evidence for scala"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.2631","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/0806.2631/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":"2026-07-04T15:30:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+qE6ndoTUJdcgoAXaftCn4HGIwuLoHvXmF2VZkoLGy6t8u2iCJ3fao/o7358UpIaO4pAh4knX2U3UrrueoyVCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-20T19:01:53.990971Z"},"content_sha256":"ff7696d15cafa22371e9fa6a7deabfb9adfc3fc4640ae5cb095d747b28923a80","schema_version":"1.0","event_id":"sha256:ff7696d15cafa22371e9fa6a7deabfb9adfc3fc4640ae5cb095d747b28923a80"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UBHUZK4TO3D7S25XUG3LFAFMUN/bundle.json","state_url":"https://pith.science/pith/UBHUZK4TO3D7S25XUG3LFAFMUN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UBHUZK4TO3D7S25XUG3LFAFMUN/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":"2026-07-20T19:01:53Z","links":{"resolver":"https://pith.science/pith/UBHUZK4TO3D7S25XUG3LFAFMUN","bundle":"https://pith.science/pith/UBHUZK4TO3D7S25XUG3LFAFMUN/bundle.json","state":"https://pith.science/pith/UBHUZK4TO3D7S25XUG3LFAFMUN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UBHUZK4TO3D7S25XUG3LFAFMUN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:UBHUZK4TO3D7S25XUG3LFAFMUN","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":"017a2ae70d54d665fb137a21a025581c04edd1d13f99351f8d81aa347d9cd054","cross_cats_sorted":["astro-ph","hep-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-06-16T17:37:16Z","title_canon_sha256":"fc6944e14779fb54607daf4275479a13ea2afa82b1a3b0fce57275518feb9941"},"schema_version":"1.0","source":{"id":"0806.2631","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.2631","created_at":"2026-07-04T15:30:16Z"},{"alias_kind":"arxiv_version","alias_value":"0806.2631v1","created_at":"2026-07-04T15:30:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.2631","created_at":"2026-07-04T15:30:16Z"},{"alias_kind":"pith_short_12","alias_value":"UBHUZK4TO3D7","created_at":"2026-07-04T15:30:16Z"},{"alias_kind":"pith_short_16","alias_value":"UBHUZK4TO3D7S25X","created_at":"2026-07-04T15:30:16Z"},{"alias_kind":"pith_short_8","alias_value":"UBHUZK4T","created_at":"2026-07-04T15:30:16Z"}],"graph_snapshots":[{"event_id":"sha256:ff7696d15cafa22371e9fa6a7deabfb9adfc3fc4640ae5cb095d747b28923a80","target":"graph","created_at":"2026-07-04T15:30:16Z","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/0806.2631/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on the first results of a sensitive search for scalar coupling of photons to a light neutral boson in the mass range of approximately 1.0 milli-electron volts and coupling strength greater than 10$^-6$ GeV$^-1$ using optical photons. This was a photon regeneration experiment using the \"light shining through a wall\" technique in which laser light was passed through a strong magnetic field upstream of an optical beam dump; regenerated laser light was then searched for downstream of a second magnetic field region optically shielded from the former. Our results show no evidence for scala","authors_text":"A. Afanasev, G. Biallas, J. Boyce, K.B. Beard, M. Minarni, M. Shinn, O.K. Baker, P. Slocum, R. Ramdon","cross_cats":["astro-ph","hep-ph","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-06-16T17:37:16Z","title":"New Experimental limit on Optical Photon Coupling to Neutral, Scalar Bosons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.2631","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:f56eb1517875765b341d504d8500617063444f5aa0ef55765e31a05dd2ac9bf8","target":"record","created_at":"2026-07-04T15:30:16Z","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":"017a2ae70d54d665fb137a21a025581c04edd1d13f99351f8d81aa347d9cd054","cross_cats_sorted":["astro-ph","hep-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-06-16T17:37:16Z","title_canon_sha256":"fc6944e14779fb54607daf4275479a13ea2afa82b1a3b0fce57275518feb9941"},"schema_version":"1.0","source":{"id":"0806.2631","kind":"arxiv","version":1}},"canonical_sha256":"a04f4cab9376c7f96bb7a1b6b280aca368f954b94dba0fb830baca7d462277d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a04f4cab9376c7f96bb7a1b6b280aca368f954b94dba0fb830baca7d462277d5","first_computed_at":"2026-07-04T15:30:16.433630Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:30:16.433630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sHRCX3MFiL0lqs+hQDEmFO5Z7m3d8sbR+stZuOLSoRKwvna9zaFiOd/RtcZSCqela4IzoQx6IR084kMSmPPYDg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:30:16.434031Z","signed_message":"canonical_sha256_bytes"},"source_id":"0806.2631","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f56eb1517875765b341d504d8500617063444f5aa0ef55765e31a05dd2ac9bf8","sha256:ff7696d15cafa22371e9fa6a7deabfb9adfc3fc4640ae5cb095d747b28923a80"],"state_sha256":"1e88ef5e5b3ae5dc7b27d2cf91d95825db9575de4f351a38c4a2838fdbd54575"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/WdQKm7+bF8pjbBzJJHkgH6H20JOd5M6+m1YjfERqkySf9gaXcC3qMatkaImOxDux79KpkFciCILU6bUU/GmDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-20T19:01:53.993221Z","bundle_sha256":"0adb88a3c9e47b97aeb30d45fc032cff8b594730bbcc82f601d871bbdb960d96"}}