{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:XM6XAVODBLGEXX5AHVDYX23TEZ","short_pith_number":"pith:XM6XAVOD","canonical_record":{"source":{"id":"1311.3864","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-11-15T14:46:48Z","cross_cats_sorted":[],"title_canon_sha256":"c7341a4f013a8a876ff2df47d22bea77d2e0ac8ce9052dee274663bf4dce2d66","abstract_canon_sha256":"2f1d327d339905f719f976564b7a0e31f300e7518ef363c2b8ab947f8bb40fee"},"schema_version":"1.0"},"canonical_sha256":"bb3d7055c30acc4bdfa03d478beb732663c24064c4c8d8206f5253a8bba51fd5","source":{"kind":"arxiv","id":"1311.3864","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.3864","created_at":"2026-05-18T03:07:02Z"},{"alias_kind":"arxiv_version","alias_value":"1311.3864v1","created_at":"2026-05-18T03:07:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.3864","created_at":"2026-05-18T03:07:02Z"},{"alias_kind":"pith_short_12","alias_value":"XM6XAVODBLGE","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"XM6XAVODBLGEXX5A","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"XM6XAVOD","created_at":"2026-05-18T12:28:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:XM6XAVODBLGEXX5AHVDYX23TEZ","target":"record","payload":{"canonical_record":{"source":{"id":"1311.3864","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-11-15T14:46:48Z","cross_cats_sorted":[],"title_canon_sha256":"c7341a4f013a8a876ff2df47d22bea77d2e0ac8ce9052dee274663bf4dce2d66","abstract_canon_sha256":"2f1d327d339905f719f976564b7a0e31f300e7518ef363c2b8ab947f8bb40fee"},"schema_version":"1.0"},"canonical_sha256":"bb3d7055c30acc4bdfa03d478beb732663c24064c4c8d8206f5253a8bba51fd5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:07:02.845030Z","signature_b64":"+ptV2s4M1LYAsHC0MsNeRWEWh2mXrVRHv0NTZD4yiwBBlqJK4t69RfwIe02T+p8xbjAAWgvKtPxs4sV7XB/8Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb3d7055c30acc4bdfa03d478beb732663c24064c4c8d8206f5253a8bba51fd5","last_reissued_at":"2026-05-18T03:07:02.844586Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:07:02.844586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.3864","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":"2026-05-18T03:07:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZSudKIOvGKzha8sbB4OubqR2sB68YevKOI8lsZNF4AI48IpJmJDkv0GITH+dQ26J99iV81qn5nD0AZgUEjePBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T17:37:46.375759Z"},"content_sha256":"cc0ec6de5611916f0bd1dda91699b43b9fb229e8adc414db155821f500d2e48d","schema_version":"1.0","event_id":"sha256:cc0ec6de5611916f0bd1dda91699b43b9fb229e8adc414db155821f500d2e48d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:XM6XAVODBLGEXX5AHVDYX23TEZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Frequency-based image analysis of random patterns: an alternative way to classical stereocorrelation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.class-ph","authors_text":"Cis-Ensmse, Gaetan Boyer, Hassan Zahouani (LTDS), J\\'er\\^ome Molimard (IFRESIS-ENSMSE, LGF-ENSMSE), STBio-ENSMSE","submitted_at":"2013-11-15T14:46:48Z","abstract_excerpt":"The paper presents an alternative way to classical stereocorrelation. First, 2D image processing of random patterns is described. Sub-pixel displacements are determined using phase analysis. Then distortion evaluation is presented. The distortion is identified without any assumption on the lens model because of the use of a grid technique approach. Last, shape measurement and shape variation is caught by fringe projection. Analysis is based on two pin-hole assumptions for the video-projector and the camera. Then, fringe projection is coupled to in-plane displacement to give rise to 3D measurem"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.3864","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":"2026-05-18T03:07:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j5tZThz3TuIEHfV6ww+GpVfA7L5bSGBXvokCzn+xKWou+KGTIYpFv73OGeKVmMNe7xv50HYAiHmsFcs3OqSbCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T17:37:46.376098Z"},"content_sha256":"40f30e8394cb34c26a215f4f698d7c8b8344f0e7ac4f73458c54b939a8c44315","schema_version":"1.0","event_id":"sha256:40f30e8394cb34c26a215f4f698d7c8b8344f0e7ac4f73458c54b939a8c44315"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XM6XAVODBLGEXX5AHVDYX23TEZ/bundle.json","state_url":"https://pith.science/pith/XM6XAVODBLGEXX5AHVDYX23TEZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XM6XAVODBLGEXX5AHVDYX23TEZ/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":"2026-06-05T17:37:46Z","links":{"resolver":"https://pith.science/pith/XM6XAVODBLGEXX5AHVDYX23TEZ","bundle":"https://pith.science/pith/XM6XAVODBLGEXX5AHVDYX23TEZ/bundle.json","state":"https://pith.science/pith/XM6XAVODBLGEXX5AHVDYX23TEZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XM6XAVODBLGEXX5AHVDYX23TEZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:XM6XAVODBLGEXX5AHVDYX23TEZ","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":"2f1d327d339905f719f976564b7a0e31f300e7518ef363c2b8ab947f8bb40fee","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-11-15T14:46:48Z","title_canon_sha256":"c7341a4f013a8a876ff2df47d22bea77d2e0ac8ce9052dee274663bf4dce2d66"},"schema_version":"1.0","source":{"id":"1311.3864","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.3864","created_at":"2026-05-18T03:07:02Z"},{"alias_kind":"arxiv_version","alias_value":"1311.3864v1","created_at":"2026-05-18T03:07:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.3864","created_at":"2026-05-18T03:07:02Z"},{"alias_kind":"pith_short_12","alias_value":"XM6XAVODBLGE","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"XM6XAVODBLGEXX5A","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"XM6XAVOD","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:40f30e8394cb34c26a215f4f698d7c8b8344f0e7ac4f73458c54b939a8c44315","target":"graph","created_at":"2026-05-18T03:07:02Z","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":"The paper presents an alternative way to classical stereocorrelation. First, 2D image processing of random patterns is described. Sub-pixel displacements are determined using phase analysis. Then distortion evaluation is presented. The distortion is identified without any assumption on the lens model because of the use of a grid technique approach. Last, shape measurement and shape variation is caught by fringe projection. Analysis is based on two pin-hole assumptions for the video-projector and the camera. Then, fringe projection is coupled to in-plane displacement to give rise to 3D measurem","authors_text":"Cis-Ensmse, Gaetan Boyer, Hassan Zahouani (LTDS), J\\'er\\^ome Molimard (IFRESIS-ENSMSE, LGF-ENSMSE), STBio-ENSMSE","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-11-15T14:46:48Z","title":"Frequency-based image analysis of random patterns: an alternative way to classical stereocorrelation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.3864","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:cc0ec6de5611916f0bd1dda91699b43b9fb229e8adc414db155821f500d2e48d","target":"record","created_at":"2026-05-18T03:07:02Z","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":"2f1d327d339905f719f976564b7a0e31f300e7518ef363c2b8ab947f8bb40fee","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-11-15T14:46:48Z","title_canon_sha256":"c7341a4f013a8a876ff2df47d22bea77d2e0ac8ce9052dee274663bf4dce2d66"},"schema_version":"1.0","source":{"id":"1311.3864","kind":"arxiv","version":1}},"canonical_sha256":"bb3d7055c30acc4bdfa03d478beb732663c24064c4c8d8206f5253a8bba51fd5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb3d7055c30acc4bdfa03d478beb732663c24064c4c8d8206f5253a8bba51fd5","first_computed_at":"2026-05-18T03:07:02.844586Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:07:02.844586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+ptV2s4M1LYAsHC0MsNeRWEWh2mXrVRHv0NTZD4yiwBBlqJK4t69RfwIe02T+p8xbjAAWgvKtPxs4sV7XB/8Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T03:07:02.845030Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.3864","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cc0ec6de5611916f0bd1dda91699b43b9fb229e8adc414db155821f500d2e48d","sha256:40f30e8394cb34c26a215f4f698d7c8b8344f0e7ac4f73458c54b939a8c44315"],"state_sha256":"f46ea867aa1979993045499787dc516104fee52c2479494ae2718e4bbbae3499"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N74kFRAu5rwTWkbKW/WSk1ckHYXE1D4gIYIu4cqsZUYDe50Ui15yOEk7Cu8qLLgMRqunZaSf1oERcuhCNYL/BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T17:37:46.377993Z","bundle_sha256":"b0f13afa6a39c72ec7b3fed26949d469d830bb6565024c1d04d1b2ddfd65860a"}}