{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4RYOPZHVBW5C2ADB44GBLPUTM5","short_pith_number":"pith:4RYOPZHV","canonical_record":{"source":{"id":"1304.5076","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-04-18T10:43:37Z","cross_cats_sorted":[],"title_canon_sha256":"17b9f83043caabf1e148a9006eba3b175b263dae05e893754444b015e06a4b51","abstract_canon_sha256":"b5d15b6a5455e142d05a4204a1736746af12c5a06763c5846f4763b3202bb012"},"schema_version":"1.0"},"canonical_sha256":"e470e7e4f50dba2d0061e70c15be93677b5f0f0ab9a66d221528c3cfebba8b14","source":{"kind":"arxiv","id":"1304.5076","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.5076","created_at":"2026-05-18T03:22:05Z"},{"alias_kind":"arxiv_version","alias_value":"1304.5076v1","created_at":"2026-05-18T03:22:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.5076","created_at":"2026-05-18T03:22:05Z"},{"alias_kind":"pith_short_12","alias_value":"4RYOPZHVBW5C","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4RYOPZHVBW5C2ADB","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4RYOPZHV","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4RYOPZHVBW5C2ADB44GBLPUTM5","target":"record","payload":{"canonical_record":{"source":{"id":"1304.5076","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-04-18T10:43:37Z","cross_cats_sorted":[],"title_canon_sha256":"17b9f83043caabf1e148a9006eba3b175b263dae05e893754444b015e06a4b51","abstract_canon_sha256":"b5d15b6a5455e142d05a4204a1736746af12c5a06763c5846f4763b3202bb012"},"schema_version":"1.0"},"canonical_sha256":"e470e7e4f50dba2d0061e70c15be93677b5f0f0ab9a66d221528c3cfebba8b14","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:22:05.162462Z","signature_b64":"a/rtVUlsDEZA14CRGfP3+FqMdCVAyq3TArJEWK1f1v51DK9EIuA63KhGsvePtgKoC3QtoP8jt/XjPWr8BLPhDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e470e7e4f50dba2d0061e70c15be93677b5f0f0ab9a66d221528c3cfebba8b14","last_reissued_at":"2026-05-18T03:22:05.161262Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:22:05.161262Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.5076","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":"2026-05-18T03:22:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U/KaYIeblh611G8oR/aaYsN85X7jfLY6NYdIZocVPqRtiK2r7fa4jOKZrk2yzCXMZHNgIy5jaCPQtL8X6z0PDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:16:44.094666Z"},"content_sha256":"214ef0be5feb7e173867af8ba3f61561299ca898aa01f863dd346896c3f263d6","schema_version":"1.0","event_id":"sha256:214ef0be5feb7e173867af8ba3f61561299ca898aa01f863dd346896c3f263d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4RYOPZHVBW5C2ADB44GBLPUTM5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical-resolution photoacoustic microscopy by use of a multimode fiber","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Christophe Moser, Demetri Psaltis, Emmanuel Bossy, Ioannis N. Papadopoulos, Jean Pierre Huignard, Olivier Simandoux, Salma Farahi","submitted_at":"2013-04-18T10:43:37Z","abstract_excerpt":"We demonstrate Optical-Resolution Photoacoustic Microscopy (OR-PAM), where the optical field is focused and scanned using Digital Phase Conjugation (DPC) through a multimode fiber. The focus is scanned across the field of view using digital means, and the acoustic signal induced is collected by a transducer. Optical-resolution photoacoustic images of a knot made by two absorptive wires are obtained and we report on resolution smaller than 1.5{\\mu}m across a 201{\\mu}m by 201{\\mu}m field of view. The use of a multimode optical fiber for the optical excitation part can pave the way for miniature "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.5076","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":"2026-05-18T03:22:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EeMno//cZxDqTZ4Iejsb3+NgifVD+RDdxRX8H/+2hPdx0sRIYob8q4c/OuYUC3ppRmj1/zUEZifVszEL/gf9Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:16:44.095018Z"},"content_sha256":"58fa691f57b961324654e44372e6e96de7bbdba19cfcc2879931342b4adb25a3","schema_version":"1.0","event_id":"sha256:58fa691f57b961324654e44372e6e96de7bbdba19cfcc2879931342b4adb25a3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4RYOPZHVBW5C2ADB44GBLPUTM5/bundle.json","state_url":"https://pith.science/pith/4RYOPZHVBW5C2ADB44GBLPUTM5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4RYOPZHVBW5C2ADB44GBLPUTM5/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":"2026-06-03T18:16:44Z","links":{"resolver":"https://pith.science/pith/4RYOPZHVBW5C2ADB44GBLPUTM5","bundle":"https://pith.science/pith/4RYOPZHVBW5C2ADB44GBLPUTM5/bundle.json","state":"https://pith.science/pith/4RYOPZHVBW5C2ADB44GBLPUTM5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4RYOPZHVBW5C2ADB44GBLPUTM5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4RYOPZHVBW5C2ADB44GBLPUTM5","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":"b5d15b6a5455e142d05a4204a1736746af12c5a06763c5846f4763b3202bb012","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-04-18T10:43:37Z","title_canon_sha256":"17b9f83043caabf1e148a9006eba3b175b263dae05e893754444b015e06a4b51"},"schema_version":"1.0","source":{"id":"1304.5076","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.5076","created_at":"2026-05-18T03:22:05Z"},{"alias_kind":"arxiv_version","alias_value":"1304.5076v1","created_at":"2026-05-18T03:22:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.5076","created_at":"2026-05-18T03:22:05Z"},{"alias_kind":"pith_short_12","alias_value":"4RYOPZHVBW5C","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4RYOPZHVBW5C2ADB","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4RYOPZHV","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:58fa691f57b961324654e44372e6e96de7bbdba19cfcc2879931342b4adb25a3","target":"graph","created_at":"2026-05-18T03:22:05Z","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 demonstrate Optical-Resolution Photoacoustic Microscopy (OR-PAM), where the optical field is focused and scanned using Digital Phase Conjugation (DPC) through a multimode fiber. The focus is scanned across the field of view using digital means, and the acoustic signal induced is collected by a transducer. Optical-resolution photoacoustic images of a knot made by two absorptive wires are obtained and we report on resolution smaller than 1.5{\\mu}m across a 201{\\mu}m by 201{\\mu}m field of view. The use of a multimode optical fiber for the optical excitation part can pave the way for miniature ","authors_text":"Christophe Moser, Demetri Psaltis, Emmanuel Bossy, Ioannis N. Papadopoulos, Jean Pierre Huignard, Olivier Simandoux, Salma Farahi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-04-18T10:43:37Z","title":"Optical-resolution photoacoustic microscopy by use of a multimode fiber"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.5076","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":"sha256:214ef0be5feb7e173867af8ba3f61561299ca898aa01f863dd346896c3f263d6","target":"record","created_at":"2026-05-18T03:22:05Z","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":"b5d15b6a5455e142d05a4204a1736746af12c5a06763c5846f4763b3202bb012","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-04-18T10:43:37Z","title_canon_sha256":"17b9f83043caabf1e148a9006eba3b175b263dae05e893754444b015e06a4b51"},"schema_version":"1.0","source":{"id":"1304.5076","kind":"arxiv","version":1}},"canonical_sha256":"e470e7e4f50dba2d0061e70c15be93677b5f0f0ab9a66d221528c3cfebba8b14","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e470e7e4f50dba2d0061e70c15be93677b5f0f0ab9a66d221528c3cfebba8b14","first_computed_at":"2026-05-18T03:22:05.161262Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:22:05.161262Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a/rtVUlsDEZA14CRGfP3+FqMdCVAyq3TArJEWK1f1v51DK9EIuA63KhGsvePtgKoC3QtoP8jt/XjPWr8BLPhDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:22:05.162462Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.5076","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:214ef0be5feb7e173867af8ba3f61561299ca898aa01f863dd346896c3f263d6","sha256:58fa691f57b961324654e44372e6e96de7bbdba19cfcc2879931342b4adb25a3"],"state_sha256":"7e5c9112749db1186a4ddd9691aa5e294dafc7623a2e22e83c867b0c99faef16"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"02OoflJkuwQ+eIkdliSdes16sdTwQ12nTDu71BkhIdExDtsLvtf4fXkFkzEryf8tMcVmj87kRiz/gngQd0leDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T18:16:44.096924Z","bundle_sha256":"bef6050f041bab925c2b6855295672b25d6ab1dee8eadc13c646bf276e7a1a63"}}