{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:PCTZUKSIQNQSCIEFGYJWXCW63E","short_pith_number":"pith:PCTZUKSI","canonical_record":{"source":{"id":"1510.04587","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-10-15T15:40:39Z","cross_cats_sorted":[],"title_canon_sha256":"165e9c33d260196aa41cf0a2d4cd4b037343a9f07b2a9a126e463b27d6cf74bb","abstract_canon_sha256":"a5dad6b72efc4e3bbb50ad28b5d017c4592c41ea486a96a9e6da7a528887b187"},"schema_version":"1.0"},"canonical_sha256":"78a79a2a48836121208536136b8aded92512d7d42cf7b59e000c8f4275f9da25","source":{"kind":"arxiv","id":"1510.04587","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.04587","created_at":"2026-05-18T01:30:06Z"},{"alias_kind":"arxiv_version","alias_value":"1510.04587v1","created_at":"2026-05-18T01:30:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.04587","created_at":"2026-05-18T01:30:06Z"},{"alias_kind":"pith_short_12","alias_value":"PCTZUKSIQNQS","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PCTZUKSIQNQSCIEF","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PCTZUKSI","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:PCTZUKSIQNQSCIEFGYJWXCW63E","target":"record","payload":{"canonical_record":{"source":{"id":"1510.04587","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-10-15T15:40:39Z","cross_cats_sorted":[],"title_canon_sha256":"165e9c33d260196aa41cf0a2d4cd4b037343a9f07b2a9a126e463b27d6cf74bb","abstract_canon_sha256":"a5dad6b72efc4e3bbb50ad28b5d017c4592c41ea486a96a9e6da7a528887b187"},"schema_version":"1.0"},"canonical_sha256":"78a79a2a48836121208536136b8aded92512d7d42cf7b59e000c8f4275f9da25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:06.763004Z","signature_b64":"V+K1eFnANb5QlOiUJce7XFE3WCb9n2fH3Jraxg30J7Gc7e5r4bYCmwcwysLqLBPRCl6ciFxZAK+dnfkObmnGAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78a79a2a48836121208536136b8aded92512d7d42cf7b59e000c8f4275f9da25","last_reissued_at":"2026-05-18T01:30:06.762548Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:06.762548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.04587","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":"2026-05-18T01:30:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jycZlleD3BPmldJRT5iwz9l2thEwRp4iTFlh4nUOdeb6F6qJ8Fm0eUARii5GJSzKS6C/0IEXBHM8t3zod5ruCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T10:58:53.164152Z"},"content_sha256":"c00cdb3a53788f251961a6e878782aafc5548b78959eb3b3489f690b55a43932","schema_version":"1.0","event_id":"sha256:c00cdb3a53788f251961a6e878782aafc5548b78959eb3b3489f690b55a43932"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:PCTZUKSIQNQSCIEFGYJWXCW63E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fourier phase-demodulation applied to strip-light 360-degrees profilometry of 3D solids; theoretical principles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Guillermo Garnica, Manuel Servin, Moises Padilla","submitted_at":"2015-10-15T15:40:39Z","abstract_excerpt":"360-degrees digitalization of three-dimensional (3D) solids using a projected light-strip is a well established technique. These profilometers project a light-strip over the solid under analysis while the solid is rotated a full revolution. Then a computer program typically extracts the centroid of this light-strip, and by triangulation one obtains the shape of the solid. Here instead of using intensity-based strip centroid estimation, we propose to use Fourier phase-demodulation. This 360-degrees profilometer first constructs a carrier-frequency fringe-pattern by closely adding individual lig"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.04587","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":"2026-05-18T01:30:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ARA5P/TWzTPWwx9v2enIAi0k5hT0undj1by8BQVGS0XUQQmDmdV9qxRVLweWJEuR5lUwR6zQH+ITAIPvNGvfAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T10:58:53.164552Z"},"content_sha256":"c3655432cdf46a0c5fbd58a4e38fdd4dffc8856da19256fe4e2e02684f12bb64","schema_version":"1.0","event_id":"sha256:c3655432cdf46a0c5fbd58a4e38fdd4dffc8856da19256fe4e2e02684f12bb64"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PCTZUKSIQNQSCIEFGYJWXCW63E/bundle.json","state_url":"https://pith.science/pith/PCTZUKSIQNQSCIEFGYJWXCW63E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PCTZUKSIQNQSCIEFGYJWXCW63E/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":"2026-06-10T10:58:53Z","links":{"resolver":"https://pith.science/pith/PCTZUKSIQNQSCIEFGYJWXCW63E","bundle":"https://pith.science/pith/PCTZUKSIQNQSCIEFGYJWXCW63E/bundle.json","state":"https://pith.science/pith/PCTZUKSIQNQSCIEFGYJWXCW63E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PCTZUKSIQNQSCIEFGYJWXCW63E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:PCTZUKSIQNQSCIEFGYJWXCW63E","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":"a5dad6b72efc4e3bbb50ad28b5d017c4592c41ea486a96a9e6da7a528887b187","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-10-15T15:40:39Z","title_canon_sha256":"165e9c33d260196aa41cf0a2d4cd4b037343a9f07b2a9a126e463b27d6cf74bb"},"schema_version":"1.0","source":{"id":"1510.04587","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.04587","created_at":"2026-05-18T01:30:06Z"},{"alias_kind":"arxiv_version","alias_value":"1510.04587v1","created_at":"2026-05-18T01:30:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.04587","created_at":"2026-05-18T01:30:06Z"},{"alias_kind":"pith_short_12","alias_value":"PCTZUKSIQNQS","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PCTZUKSIQNQSCIEF","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PCTZUKSI","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:c3655432cdf46a0c5fbd58a4e38fdd4dffc8856da19256fe4e2e02684f12bb64","target":"graph","created_at":"2026-05-18T01:30:06Z","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":"360-degrees digitalization of three-dimensional (3D) solids using a projected light-strip is a well established technique. These profilometers project a light-strip over the solid under analysis while the solid is rotated a full revolution. Then a computer program typically extracts the centroid of this light-strip, and by triangulation one obtains the shape of the solid. Here instead of using intensity-based strip centroid estimation, we propose to use Fourier phase-demodulation. This 360-degrees profilometer first constructs a carrier-frequency fringe-pattern by closely adding individual lig","authors_text":"Guillermo Garnica, Manuel Servin, Moises Padilla","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-10-15T15:40:39Z","title":"Fourier phase-demodulation applied to strip-light 360-degrees profilometry of 3D solids; theoretical principles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.04587","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:c00cdb3a53788f251961a6e878782aafc5548b78959eb3b3489f690b55a43932","target":"record","created_at":"2026-05-18T01:30:06Z","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":"a5dad6b72efc4e3bbb50ad28b5d017c4592c41ea486a96a9e6da7a528887b187","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-10-15T15:40:39Z","title_canon_sha256":"165e9c33d260196aa41cf0a2d4cd4b037343a9f07b2a9a126e463b27d6cf74bb"},"schema_version":"1.0","source":{"id":"1510.04587","kind":"arxiv","version":1}},"canonical_sha256":"78a79a2a48836121208536136b8aded92512d7d42cf7b59e000c8f4275f9da25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78a79a2a48836121208536136b8aded92512d7d42cf7b59e000c8f4275f9da25","first_computed_at":"2026-05-18T01:30:06.762548Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:30:06.762548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V+K1eFnANb5QlOiUJce7XFE3WCb9n2fH3Jraxg30J7Gc7e5r4bYCmwcwysLqLBPRCl6ciFxZAK+dnfkObmnGAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:30:06.763004Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.04587","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c00cdb3a53788f251961a6e878782aafc5548b78959eb3b3489f690b55a43932","sha256:c3655432cdf46a0c5fbd58a4e38fdd4dffc8856da19256fe4e2e02684f12bb64"],"state_sha256":"ec0953090101d4f9bbfde7ee4fca74a2588593e7ff4a6e1ec9ca047dc6710037"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7HE6bFyTEW4DdEz7zQzHHCJ15p11z58OcuhBVvjErgZsjLiR+qJnMt3JeA0eSwnONiMZVV2CuUVPVivbPiaEDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T10:58:53.166770Z","bundle_sha256":"1dcbdd4759520ad11e4e1cd435a160c2cf4682c96b2cab4d82c2893a5bc95272"}}