{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:VPFLRRR2KVFEW5RMXMWGZQNNTM","short_pith_number":"pith:VPFLRRR2","canonical_record":{"source":{"id":"1706.08907","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-06-27T15:27:11Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"ddf1dc267617cae64c81443187376c94499441e8f7e095046f464afab9f19334","abstract_canon_sha256":"89ad0e0244fa0d1be8e1562a117dcc5e87d7c4361ddd547a396b229a4be430d9"},"schema_version":"1.0"},"canonical_sha256":"abcab8c63a554a4b762cbb2c6cc1ad9b3b56c8c5e025aa77bb25b7f864d458ec","source":{"kind":"arxiv","id":"1706.08907","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.08907","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"arxiv_version","alias_value":"1706.08907v1","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.08907","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"pith_short_12","alias_value":"VPFLRRR2KVFE","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VPFLRRR2KVFEW5RM","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VPFLRRR2","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:VPFLRRR2KVFEW5RMXMWGZQNNTM","target":"record","payload":{"canonical_record":{"source":{"id":"1706.08907","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-06-27T15:27:11Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"ddf1dc267617cae64c81443187376c94499441e8f7e095046f464afab9f19334","abstract_canon_sha256":"89ad0e0244fa0d1be8e1562a117dcc5e87d7c4361ddd547a396b229a4be430d9"},"schema_version":"1.0"},"canonical_sha256":"abcab8c63a554a4b762cbb2c6cc1ad9b3b56c8c5e025aa77bb25b7f864d458ec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:20.242193Z","signature_b64":"RrJUIPP4qJfAlZXlFFSxq/nt+DtBUXHHt1PU/QBwfvP1ZZsYMK9qRjsEHsiZpsOdGY/ntBj1r78/fvP1+rhoBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"abcab8c63a554a4b762cbb2c6cc1ad9b3b56c8c5e025aa77bb25b7f864d458ec","last_reissued_at":"2026-05-18T00:41:20.241497Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:20.241497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.08907","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":"2026-05-18T00:41:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v8kLENkOHuzEDHYFlLMR24m+GlxH3nC9jzuQMPKNKctcW+nLf7GNBcEV9cbS22oW1TTOFt44JoZ+kyuey6TtDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T16:39:54.581508Z"},"content_sha256":"429d879c711e5f26c4e2e03d9068253d324655455bf46c995fb52e45fe7cbb11","schema_version":"1.0","event_id":"sha256:429d879c711e5f26c4e2e03d9068253d324655455bf46c995fb52e45fe7cbb11"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:VPFLRRR2KVFEW5RMXMWGZQNNTM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Compton Edge probing basic physics at Jefferson Laboratory: light speed isotropy and Lorentz invariance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"physics.acc-ph","authors_text":"Amur Margaryan, Branislav Vlahovic, Cynthia Keppel, David Gaskell, Dipangkar Dutta, Harutyun Khachatryan, Sergey Mirzoyan, Steve Wood, Vahe Gurzadyan, Vanik Kakoyan","submitted_at":"2017-06-27T15:27:11Z","abstract_excerpt":"We propose to study of the light speed isotropy and Lorentz invariance at Jefferson Laboratory by means of the measurements of the Compton Edge using of the Hall A/C existing experimental setup. Methodologically the same experiment has already been successfully elaborated at GRAAL experiment at the European Synchrotron Radiation Facility in Grenoble with 6 GeV electron beam. This Proposal states two goals expected to be reached at Jefferson Laboratory, both on Lorentz invariance: (a) the one-way light speed isotropy testing accuracy, following from conservative evaluations at numerical simulat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.08907","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":"2026-05-18T00:41:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pDenLAl/KkwvwvXrxXFfJNIMak8aqAznWPqioaTp30d/ROooAxN0CwS3rMCH1aTnmI0l2FmBFD2iY85GLDQdAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T16:39:54.582201Z"},"content_sha256":"f81cf0ae670e145e6a6c545d3466553964043d373f20086a50a0dfb7ca263211","schema_version":"1.0","event_id":"sha256:f81cf0ae670e145e6a6c545d3466553964043d373f20086a50a0dfb7ca263211"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VPFLRRR2KVFEW5RMXMWGZQNNTM/bundle.json","state_url":"https://pith.science/pith/VPFLRRR2KVFEW5RMXMWGZQNNTM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VPFLRRR2KVFEW5RMXMWGZQNNTM/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":"2026-05-23T16:39:54Z","links":{"resolver":"https://pith.science/pith/VPFLRRR2KVFEW5RMXMWGZQNNTM","bundle":"https://pith.science/pith/VPFLRRR2KVFEW5RMXMWGZQNNTM/bundle.json","state":"https://pith.science/pith/VPFLRRR2KVFEW5RMXMWGZQNNTM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VPFLRRR2KVFEW5RMXMWGZQNNTM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:VPFLRRR2KVFEW5RMXMWGZQNNTM","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":"89ad0e0244fa0d1be8e1562a117dcc5e87d7c4361ddd547a396b229a4be430d9","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-06-27T15:27:11Z","title_canon_sha256":"ddf1dc267617cae64c81443187376c94499441e8f7e095046f464afab9f19334"},"schema_version":"1.0","source":{"id":"1706.08907","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.08907","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"arxiv_version","alias_value":"1706.08907v1","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.08907","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"pith_short_12","alias_value":"VPFLRRR2KVFE","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VPFLRRR2KVFEW5RM","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VPFLRRR2","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:f81cf0ae670e145e6a6c545d3466553964043d373f20086a50a0dfb7ca263211","target":"graph","created_at":"2026-05-18T00:41:20Z","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":"We propose to study of the light speed isotropy and Lorentz invariance at Jefferson Laboratory by means of the measurements of the Compton Edge using of the Hall A/C existing experimental setup. Methodologically the same experiment has already been successfully elaborated at GRAAL experiment at the European Synchrotron Radiation Facility in Grenoble with 6 GeV electron beam. This Proposal states two goals expected to be reached at Jefferson Laboratory, both on Lorentz invariance: (a) the one-way light speed isotropy testing accuracy, following from conservative evaluations at numerical simulat","authors_text":"Amur Margaryan, Branislav Vlahovic, Cynthia Keppel, David Gaskell, Dipangkar Dutta, Harutyun Khachatryan, Sergey Mirzoyan, Steve Wood, Vahe Gurzadyan, Vanik Kakoyan","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-06-27T15:27:11Z","title":"Compton Edge probing basic physics at Jefferson Laboratory: light speed isotropy and Lorentz invariance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.08907","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":"sha256:429d879c711e5f26c4e2e03d9068253d324655455bf46c995fb52e45fe7cbb11","target":"record","created_at":"2026-05-18T00:41:20Z","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":"89ad0e0244fa0d1be8e1562a117dcc5e87d7c4361ddd547a396b229a4be430d9","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-06-27T15:27:11Z","title_canon_sha256":"ddf1dc267617cae64c81443187376c94499441e8f7e095046f464afab9f19334"},"schema_version":"1.0","source":{"id":"1706.08907","kind":"arxiv","version":1}},"canonical_sha256":"abcab8c63a554a4b762cbb2c6cc1ad9b3b56c8c5e025aa77bb25b7f864d458ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"abcab8c63a554a4b762cbb2c6cc1ad9b3b56c8c5e025aa77bb25b7f864d458ec","first_computed_at":"2026-05-18T00:41:20.241497Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:20.241497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RrJUIPP4qJfAlZXlFFSxq/nt+DtBUXHHt1PU/QBwfvP1ZZsYMK9qRjsEHsiZpsOdGY/ntBj1r78/fvP1+rhoBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:20.242193Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.08907","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:429d879c711e5f26c4e2e03d9068253d324655455bf46c995fb52e45fe7cbb11","sha256:f81cf0ae670e145e6a6c545d3466553964043d373f20086a50a0dfb7ca263211"],"state_sha256":"6550083f8826de03d68e314716930fbb6c34c8c5d7654c3384e3bec503d5b280"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LsVZ2i4///p2B14NUip1emDDHmSctHUoqSkiTN7gfuFelEU8JJp9UIKiM5O/yW/fphFcFDM4MZi3tWykles5Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T16:39:54.586008Z","bundle_sha256":"fcf1c86de53519d7b1221486164c2135bda93e8350cae1d7f69ca6170e6684e1"}}