{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:XORE3QESY4KZP5GPBAFPHV3FVQ","short_pith_number":"pith:XORE3QES","canonical_record":{"source":{"id":"2009.10595","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2020-09-21T02:09:01Z","cross_cats_sorted":["eess.IV","physics.optics"],"title_canon_sha256":"3631940e0159836a68fe03242df8463a8c7cf73e06ccc8e599b4c4172c999c18","abstract_canon_sha256":"23b3bb8e5c0c04860b21dc1a4f54f26c8de0258bd7d135f83462c4ed310ffc50"},"schema_version":"1.0"},"canonical_sha256":"bba24dc092c71597f4cf080af3d765ac166f4e6a4a0b2394127ea538efbb323c","source":{"kind":"arxiv","id":"2009.10595","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.10595","created_at":"2026-07-05T01:37:20Z"},{"alias_kind":"arxiv_version","alias_value":"2009.10595v1","created_at":"2026-07-05T01:37:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.10595","created_at":"2026-07-05T01:37:20Z"},{"alias_kind":"pith_short_12","alias_value":"XORE3QESY4KZ","created_at":"2026-07-05T01:37:20Z"},{"alias_kind":"pith_short_16","alias_value":"XORE3QESY4KZP5GP","created_at":"2026-07-05T01:37:20Z"},{"alias_kind":"pith_short_8","alias_value":"XORE3QES","created_at":"2026-07-05T01:37:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:XORE3QESY4KZP5GPBAFPHV3FVQ","target":"record","payload":{"canonical_record":{"source":{"id":"2009.10595","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2020-09-21T02:09:01Z","cross_cats_sorted":["eess.IV","physics.optics"],"title_canon_sha256":"3631940e0159836a68fe03242df8463a8c7cf73e06ccc8e599b4c4172c999c18","abstract_canon_sha256":"23b3bb8e5c0c04860b21dc1a4f54f26c8de0258bd7d135f83462c4ed310ffc50"},"schema_version":"1.0"},"canonical_sha256":"bba24dc092c71597f4cf080af3d765ac166f4e6a4a0b2394127ea538efbb323c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:37:20.669262Z","signature_b64":"HOGy0AyU3nfQNXij5IrABSpvLXfzYP9mZ0cH78Kyd4hlbJOWSulTT3XWda8eUSVJE8FEWv/nANMxxjnNOG6ZAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bba24dc092c71597f4cf080af3d765ac166f4e6a4a0b2394127ea538efbb323c","last_reissued_at":"2026-07-05T01:37:20.668887Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:37:20.668887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.10595","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":"2026-07-05T01:37:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qwb41aUnVE8U8p/Ldfztpr1TzvAcNA8rsbG2W6uXDXlFewxgAuEYpVMqL+QRh1kxTYgrDyQwbJnB7SIxNERkAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T06:41:44.226797Z"},"content_sha256":"95525e7cf523190cf14b3c68373922aad7a7a24289ac155dbdc320b5472e7d06","schema_version":"1.0","event_id":"sha256:95525e7cf523190cf14b3c68373922aad7a7a24289ac155dbdc320b5472e7d06"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:XORE3QESY4KZP5GPBAFPHV3FVQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sculpting light with paper for computational mobile phone microscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.IV","physics.optics"],"primary_cat":"physics.ed-ph","authors_text":"Antony Orth","submitted_at":"2020-09-21T02:09:01Z","abstract_excerpt":"Many optical microscopy techniques rely on structured illumination by way of a projected image (eg. structured illumination microscopy) or a tailored angular distribution of light (eg. ptychography). Electro-optical equipment such as spatial light modulators and light emitting diode (LED) arrays are commonly used to sculpt light for these imaging schemes. However, these high-tech devices are not a requirement for light crafting. Patterned diffusely reflecting surfaces also imprint a spatio-angular structure onto reflected light. We demonstrate that paper patterned with a standard commercial pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.10595","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/2009.10595/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":"2026-07-05T01:37:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4esKa9OW/Lbf1fdXxE8nf7+Fj9K/Vf+7396UtEIRdYORc7Z6XPfYV1f98oHRsi/0BpTKfEqN7iyFYjdJz7xmCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T06:41:44.227116Z"},"content_sha256":"13f9aa6409574d78bc20a9e8f6760b8a2b3abe39cce6569573b8fbef18d73145","schema_version":"1.0","event_id":"sha256:13f9aa6409574d78bc20a9e8f6760b8a2b3abe39cce6569573b8fbef18d73145"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XORE3QESY4KZP5GPBAFPHV3FVQ/bundle.json","state_url":"https://pith.science/pith/XORE3QESY4KZP5GPBAFPHV3FVQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XORE3QESY4KZP5GPBAFPHV3FVQ/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":"2026-08-22T06:41:44Z","links":{"resolver":"https://pith.science/pith/XORE3QESY4KZP5GPBAFPHV3FVQ","bundle":"https://pith.science/pith/XORE3QESY4KZP5GPBAFPHV3FVQ/bundle.json","state":"https://pith.science/pith/XORE3QESY4KZP5GPBAFPHV3FVQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XORE3QESY4KZP5GPBAFPHV3FVQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:XORE3QESY4KZP5GPBAFPHV3FVQ","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":"23b3bb8e5c0c04860b21dc1a4f54f26c8de0258bd7d135f83462c4ed310ffc50","cross_cats_sorted":["eess.IV","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2020-09-21T02:09:01Z","title_canon_sha256":"3631940e0159836a68fe03242df8463a8c7cf73e06ccc8e599b4c4172c999c18"},"schema_version":"1.0","source":{"id":"2009.10595","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.10595","created_at":"2026-07-05T01:37:20Z"},{"alias_kind":"arxiv_version","alias_value":"2009.10595v1","created_at":"2026-07-05T01:37:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.10595","created_at":"2026-07-05T01:37:20Z"},{"alias_kind":"pith_short_12","alias_value":"XORE3QESY4KZ","created_at":"2026-07-05T01:37:20Z"},{"alias_kind":"pith_short_16","alias_value":"XORE3QESY4KZP5GP","created_at":"2026-07-05T01:37:20Z"},{"alias_kind":"pith_short_8","alias_value":"XORE3QES","created_at":"2026-07-05T01:37:20Z"}],"graph_snapshots":[{"event_id":"sha256:13f9aa6409574d78bc20a9e8f6760b8a2b3abe39cce6569573b8fbef18d73145","target":"graph","created_at":"2026-07-05T01:37:20Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2009.10595/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Many optical microscopy techniques rely on structured illumination by way of a projected image (eg. structured illumination microscopy) or a tailored angular distribution of light (eg. ptychography). Electro-optical equipment such as spatial light modulators and light emitting diode (LED) arrays are commonly used to sculpt light for these imaging schemes. However, these high-tech devices are not a requirement for light crafting. Patterned diffusely reflecting surfaces also imprint a spatio-angular structure onto reflected light. We demonstrate that paper patterned with a standard commercial pr","authors_text":"Antony Orth","cross_cats":["eess.IV","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2020-09-21T02:09:01Z","title":"Sculpting light with paper for computational mobile phone microscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.10595","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":"sha256:95525e7cf523190cf14b3c68373922aad7a7a24289ac155dbdc320b5472e7d06","target":"record","created_at":"2026-07-05T01:37:20Z","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":"23b3bb8e5c0c04860b21dc1a4f54f26c8de0258bd7d135f83462c4ed310ffc50","cross_cats_sorted":["eess.IV","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2020-09-21T02:09:01Z","title_canon_sha256":"3631940e0159836a68fe03242df8463a8c7cf73e06ccc8e599b4c4172c999c18"},"schema_version":"1.0","source":{"id":"2009.10595","kind":"arxiv","version":1}},"canonical_sha256":"bba24dc092c71597f4cf080af3d765ac166f4e6a4a0b2394127ea538efbb323c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bba24dc092c71597f4cf080af3d765ac166f4e6a4a0b2394127ea538efbb323c","first_computed_at":"2026-07-05T01:37:20.668887Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:37:20.668887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HOGy0AyU3nfQNXij5IrABSpvLXfzYP9mZ0cH78Kyd4hlbJOWSulTT3XWda8eUSVJE8FEWv/nANMxxjnNOG6ZAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:37:20.669262Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.10595","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:95525e7cf523190cf14b3c68373922aad7a7a24289ac155dbdc320b5472e7d06","sha256:13f9aa6409574d78bc20a9e8f6760b8a2b3abe39cce6569573b8fbef18d73145"],"state_sha256":"271a40e9bf0282eb20174790798220f3f670e43b500d1529fb7457f2255451a0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/PzTK4X/Lad5HzxTD8hGlJB/RmFfJ+eb/shL8ajwFkSNk2Di6o96sE29mFgDa/MdpT+6TFsF166fcTFsKZZ4Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T06:41:44.230267Z","bundle_sha256":"a8042722a26b50b3547560c1b8223473d9d2926c56eb013929757555a1520f81"}}