{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:O2LJPYZ2BRJBFIUEYDYG7SUT2N","short_pith_number":"pith:O2LJPYZ2","canonical_record":{"source":{"id":"quant-ph/9705023","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"1997-05-13T08:05:44Z","cross_cats_sorted":[],"title_canon_sha256":"bfe6814ea1c88f05ebc97207c55438f021858433f6b88ef01b280424fd5ae874","abstract_canon_sha256":"6ca451073c17dfb4c893ffb8c23c012991c8df316019a034d673072a304b3a04"},"schema_version":"1.0"},"canonical_sha256":"769697e33a0c5212a284c0f06fca93d3558bb56e9a3673ffe1511d685d785423","source":{"kind":"arxiv","id":"quant-ph/9705023","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/9705023","created_at":"2026-05-18T01:05:01Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/9705023v1","created_at":"2026-05-18T01:05:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/9705023","created_at":"2026-05-18T01:05:01Z"},{"alias_kind":"pith_short_12","alias_value":"O2LJPYZ2BRJB","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"O2LJPYZ2BRJBFIUE","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"O2LJPYZ2","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:O2LJPYZ2BRJBFIUEYDYG7SUT2N","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/9705023","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"1997-05-13T08:05:44Z","cross_cats_sorted":[],"title_canon_sha256":"bfe6814ea1c88f05ebc97207c55438f021858433f6b88ef01b280424fd5ae874","abstract_canon_sha256":"6ca451073c17dfb4c893ffb8c23c012991c8df316019a034d673072a304b3a04"},"schema_version":"1.0"},"canonical_sha256":"769697e33a0c5212a284c0f06fca93d3558bb56e9a3673ffe1511d685d785423","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:05:01.892866Z","signature_b64":"uSSn4OUdJ1ByA6q506Xl9r/DZ9/DsQ9FCqt2jOE+UkdYFfnaKm4UGRCvBZIFiRvPOEewVvlDuuzWK8pQpCbRAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"769697e33a0c5212a284c0f06fca93d3558bb56e9a3673ffe1511d685d785423","last_reissued_at":"2026-05-18T01:05:01.892271Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:05:01.892271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/9705023","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":"2026-05-18T01:05:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pBqQr3A0WrJqrvlDE1XtquT2Jt/ToHt9muf36GE2zfKMX2J5xgvo9Whu8QBRozF/SzSjoE+pcZxT6liw+PKkDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:54:08.676234Z"},"content_sha256":"2680e84f4ded656571372d925af2f46f4c7a49003a98309f0eb60b778cd910fc","schema_version":"1.0","event_id":"sha256:2680e84f4ded656571372d925af2f46f4c7a49003a98309f0eb60b778cd910fc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:O2LJPYZ2BRJBFIUEYDYG7SUT2N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thomas Rotation and Polarised Light: A non-Abelian Geometric Phase in Optics","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Joseph Samuel, Supurna Sinha","submitted_at":"1997-05-13T08:05:44Z","abstract_excerpt":"We describe a non-Abelian Berry phase in polarisation optics, suggested by an analogy due to Nityananda between boosts in special relativity and the effect of elliptic dichroism on polarised light. The analogy permits a simple optical realization of the non-Abelian gauge field describing Thomas rotation. We also show how Thomas rotation can be understood geometrically on the Poincar\\'{e} sphere in terms of the Pancharatnam phase."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/9705023","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":"2026-05-18T01:05:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"opjvwtvHmoYoGsssUu0oiqReD5z/nkF9q0LHIFgbO+W4P7v0B/4UEeGKOZVMMeoFbND/F9lyrWC6LrCbrHhHDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:54:08.676894Z"},"content_sha256":"cd0e6f63e6cc713e6306b893eaec1db1c7b3142c7da6170a759d8d4fa1e5667f","schema_version":"1.0","event_id":"sha256:cd0e6f63e6cc713e6306b893eaec1db1c7b3142c7da6170a759d8d4fa1e5667f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O2LJPYZ2BRJBFIUEYDYG7SUT2N/bundle.json","state_url":"https://pith.science/pith/O2LJPYZ2BRJBFIUEYDYG7SUT2N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O2LJPYZ2BRJBFIUEYDYG7SUT2N/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":"2026-05-27T18:54:08Z","links":{"resolver":"https://pith.science/pith/O2LJPYZ2BRJBFIUEYDYG7SUT2N","bundle":"https://pith.science/pith/O2LJPYZ2BRJBFIUEYDYG7SUT2N/bundle.json","state":"https://pith.science/pith/O2LJPYZ2BRJBFIUEYDYG7SUT2N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O2LJPYZ2BRJBFIUEYDYG7SUT2N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:O2LJPYZ2BRJBFIUEYDYG7SUT2N","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":"6ca451073c17dfb4c893ffb8c23c012991c8df316019a034d673072a304b3a04","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"1997-05-13T08:05:44Z","title_canon_sha256":"bfe6814ea1c88f05ebc97207c55438f021858433f6b88ef01b280424fd5ae874"},"schema_version":"1.0","source":{"id":"quant-ph/9705023","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/9705023","created_at":"2026-05-18T01:05:01Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/9705023v1","created_at":"2026-05-18T01:05:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/9705023","created_at":"2026-05-18T01:05:01Z"},{"alias_kind":"pith_short_12","alias_value":"O2LJPYZ2BRJB","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"O2LJPYZ2BRJBFIUE","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"O2LJPYZ2","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:cd0e6f63e6cc713e6306b893eaec1db1c7b3142c7da6170a759d8d4fa1e5667f","target":"graph","created_at":"2026-05-18T01:05:01Z","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 describe a non-Abelian Berry phase in polarisation optics, suggested by an analogy due to Nityananda between boosts in special relativity and the effect of elliptic dichroism on polarised light. The analogy permits a simple optical realization of the non-Abelian gauge field describing Thomas rotation. We also show how Thomas rotation can be understood geometrically on the Poincar\\'{e} sphere in terms of the Pancharatnam phase.","authors_text":"Joseph Samuel, Supurna Sinha","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"1997-05-13T08:05:44Z","title":"Thomas Rotation and Polarised Light: A non-Abelian Geometric Phase in Optics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/9705023","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":"sha256:2680e84f4ded656571372d925af2f46f4c7a49003a98309f0eb60b778cd910fc","target":"record","created_at":"2026-05-18T01:05:01Z","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":"6ca451073c17dfb4c893ffb8c23c012991c8df316019a034d673072a304b3a04","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"1997-05-13T08:05:44Z","title_canon_sha256":"bfe6814ea1c88f05ebc97207c55438f021858433f6b88ef01b280424fd5ae874"},"schema_version":"1.0","source":{"id":"quant-ph/9705023","kind":"arxiv","version":1}},"canonical_sha256":"769697e33a0c5212a284c0f06fca93d3558bb56e9a3673ffe1511d685d785423","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"769697e33a0c5212a284c0f06fca93d3558bb56e9a3673ffe1511d685d785423","first_computed_at":"2026-05-18T01:05:01.892271Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:05:01.892271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uSSn4OUdJ1ByA6q506Xl9r/DZ9/DsQ9FCqt2jOE+UkdYFfnaKm4UGRCvBZIFiRvPOEewVvlDuuzWK8pQpCbRAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:05:01.892866Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/9705023","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2680e84f4ded656571372d925af2f46f4c7a49003a98309f0eb60b778cd910fc","sha256:cd0e6f63e6cc713e6306b893eaec1db1c7b3142c7da6170a759d8d4fa1e5667f"],"state_sha256":"c4a0e59b8012522b050c045e63c4dc97c1c4137293b33ffce79dca517f3ce253"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D6+Db3O5QErgNoImbf0geoJFOL4eReccr/Cy3hyHux/9TI+Xcom77ZT8YHbrTZcaBxpqxXkl06Qy4g4kvD2GBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:54:08.680472Z","bundle_sha256":"b4ecc9f6e7d484ec484e968991994dc54121face0452bb960ffb4085a564429e"}}