{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:7T473A26RT6QCEE3VSQHNK6DAR","short_pith_number":"pith:7T473A26","canonical_record":{"source":{"id":"2411.13495","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-20T17:44:20Z","cross_cats_sorted":[],"title_canon_sha256":"9e74e7b80117dba1fe97072e78d89f12d27210f8c4759f7ad33a8164fa2fc3b1","abstract_canon_sha256":"d891ed811cd06889e59a8da737f06a54959fbf606c85bb7313e64180dfc306e9"},"schema_version":"1.0"},"canonical_sha256":"fcf9fd835e8cfd01109baca076abc3044827f97a421b571784f4c0f552743a1f","source":{"kind":"arxiv","id":"2411.13495","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.13495","created_at":"2026-07-05T09:38:18Z"},{"alias_kind":"arxiv_version","alias_value":"2411.13495v1","created_at":"2026-07-05T09:38:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.13495","created_at":"2026-07-05T09:38:18Z"},{"alias_kind":"pith_short_12","alias_value":"7T473A26RT6Q","created_at":"2026-07-05T09:38:18Z"},{"alias_kind":"pith_short_16","alias_value":"7T473A26RT6QCEE3","created_at":"2026-07-05T09:38:18Z"},{"alias_kind":"pith_short_8","alias_value":"7T473A26","created_at":"2026-07-05T09:38:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:7T473A26RT6QCEE3VSQHNK6DAR","target":"record","payload":{"canonical_record":{"source":{"id":"2411.13495","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-20T17:44:20Z","cross_cats_sorted":[],"title_canon_sha256":"9e74e7b80117dba1fe97072e78d89f12d27210f8c4759f7ad33a8164fa2fc3b1","abstract_canon_sha256":"d891ed811cd06889e59a8da737f06a54959fbf606c85bb7313e64180dfc306e9"},"schema_version":"1.0"},"canonical_sha256":"fcf9fd835e8cfd01109baca076abc3044827f97a421b571784f4c0f552743a1f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:38:18.069624Z","signature_b64":"vKbic4/DFZH1XQAxSC+unrRIqXhfh0W5EHJcy/x6GLi/LmyO4W4dzew/qM2JNC5PTSXxT3ZRBASA/LmCYuQjAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fcf9fd835e8cfd01109baca076abc3044827f97a421b571784f4c0f552743a1f","last_reissued_at":"2026-07-05T09:38:18.069274Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:38:18.069274Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.13495","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":"2026-07-05T09:38:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pJajjjXBxxW1bfyWrJ+63E0BpsBE5ZvY2jMzXJuP7a6okD37wFy7Rd+nBd/HVHx2KSjOYUzZbTxGiEyJjymACw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T02:30:59.841008Z"},"content_sha256":"df140a2b35a4a1dbf5be1f5393b0338ae71cf42239480012e3bb1db657a474c5","schema_version":"1.0","event_id":"sha256:df140a2b35a4a1dbf5be1f5393b0338ae71cf42239480012e3bb1db657a474c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:7T473A26RT6QCEE3VSQHNK6DAR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Diffraction theories for off-Bragg replay: J.T. Sheridan's seminal work and consequences","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Martin Fally","submitted_at":"2024-11-20T17:44:20Z","abstract_excerpt":"Based on the seminal work by John T. Sheridan [1] we discuss the usefulness and validity of simple diffraction theories frequently used to determine and characterize optical holographic gratings. Experimental investigations obtained in recent years highlight the correctness of his analysis which favours an alternative approach over the most widely used Kogelnik theory."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.13495","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/2411.13495/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":"2026-07-05T09:38:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nUYdwA4yqfCVChqpmy1lO96LOgaV8hMptqeFohWaJr7+rqCssmis3vYYtDu6i5NJobNKIMLNECcTKVLO2vCzDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T02:30:59.841504Z"},"content_sha256":"2ad34a725a668b2b65ddc70bb84ef8149d416bf9cb61339d2b76b282c5f64ba7","schema_version":"1.0","event_id":"sha256:2ad34a725a668b2b65ddc70bb84ef8149d416bf9cb61339d2b76b282c5f64ba7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7T473A26RT6QCEE3VSQHNK6DAR/bundle.json","state_url":"https://pith.science/pith/7T473A26RT6QCEE3VSQHNK6DAR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7T473A26RT6QCEE3VSQHNK6DAR/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":"2026-08-13T02:30:59Z","links":{"resolver":"https://pith.science/pith/7T473A26RT6QCEE3VSQHNK6DAR","bundle":"https://pith.science/pith/7T473A26RT6QCEE3VSQHNK6DAR/bundle.json","state":"https://pith.science/pith/7T473A26RT6QCEE3VSQHNK6DAR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7T473A26RT6QCEE3VSQHNK6DAR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:7T473A26RT6QCEE3VSQHNK6DAR","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":"d891ed811cd06889e59a8da737f06a54959fbf606c85bb7313e64180dfc306e9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-20T17:44:20Z","title_canon_sha256":"9e74e7b80117dba1fe97072e78d89f12d27210f8c4759f7ad33a8164fa2fc3b1"},"schema_version":"1.0","source":{"id":"2411.13495","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.13495","created_at":"2026-07-05T09:38:18Z"},{"alias_kind":"arxiv_version","alias_value":"2411.13495v1","created_at":"2026-07-05T09:38:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.13495","created_at":"2026-07-05T09:38:18Z"},{"alias_kind":"pith_short_12","alias_value":"7T473A26RT6Q","created_at":"2026-07-05T09:38:18Z"},{"alias_kind":"pith_short_16","alias_value":"7T473A26RT6QCEE3","created_at":"2026-07-05T09:38:18Z"},{"alias_kind":"pith_short_8","alias_value":"7T473A26","created_at":"2026-07-05T09:38:18Z"}],"graph_snapshots":[{"event_id":"sha256:2ad34a725a668b2b65ddc70bb84ef8149d416bf9cb61339d2b76b282c5f64ba7","target":"graph","created_at":"2026-07-05T09:38:18Z","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/2411.13495/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Based on the seminal work by John T. Sheridan [1] we discuss the usefulness and validity of simple diffraction theories frequently used to determine and characterize optical holographic gratings. Experimental investigations obtained in recent years highlight the correctness of his analysis which favours an alternative approach over the most widely used Kogelnik theory.","authors_text":"Martin Fally","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-20T17:44:20Z","title":"Diffraction theories for off-Bragg replay: J.T. Sheridan's seminal work and consequences"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.13495","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:df140a2b35a4a1dbf5be1f5393b0338ae71cf42239480012e3bb1db657a474c5","target":"record","created_at":"2026-07-05T09:38:18Z","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":"d891ed811cd06889e59a8da737f06a54959fbf606c85bb7313e64180dfc306e9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-20T17:44:20Z","title_canon_sha256":"9e74e7b80117dba1fe97072e78d89f12d27210f8c4759f7ad33a8164fa2fc3b1"},"schema_version":"1.0","source":{"id":"2411.13495","kind":"arxiv","version":1}},"canonical_sha256":"fcf9fd835e8cfd01109baca076abc3044827f97a421b571784f4c0f552743a1f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fcf9fd835e8cfd01109baca076abc3044827f97a421b571784f4c0f552743a1f","first_computed_at":"2026-07-05T09:38:18.069274Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:38:18.069274Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vKbic4/DFZH1XQAxSC+unrRIqXhfh0W5EHJcy/x6GLi/LmyO4W4dzew/qM2JNC5PTSXxT3ZRBASA/LmCYuQjAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:38:18.069624Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.13495","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df140a2b35a4a1dbf5be1f5393b0338ae71cf42239480012e3bb1db657a474c5","sha256:2ad34a725a668b2b65ddc70bb84ef8149d416bf9cb61339d2b76b282c5f64ba7"],"state_sha256":"b975dea323b61e3d13512a2caf6dda548f3f4e1feb3c851246c06e6bf4f05962"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0br49EZAZrDe7LCsQF8+25umFVMm8OR730xlfpbVePHHyNSnnCN67owwnlJVLNkZaGqUarOzC8wa04Vj5cF6DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T02:30:59.846498Z","bundle_sha256":"c608a457f07d8610b201c32fe467c82a7298864eb03f96ef68b38be586f808c9"}}