{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:5HCX73LTJ2GNBVBOEGOQANHXW4","short_pith_number":"pith:5HCX73LT","canonical_record":{"source":{"id":"1211.5320","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-11-22T15:59:55Z","cross_cats_sorted":[],"title_canon_sha256":"8c35f200dd79abedab035e7de8825a72e70bc4f3e87f4a477e814041c1a6d80f","abstract_canon_sha256":"e84cf3f855ad57ba7574c77827a775dbfdce0f44b6472c70ade2b4d7089450d5"},"schema_version":"1.0"},"canonical_sha256":"e9c57fed734e8cd0d42e219d0034f7b737d1ade521b8c3a6a030b18b938ba83d","source":{"kind":"arxiv","id":"1211.5320","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.5320","created_at":"2026-05-18T01:53:01Z"},{"alias_kind":"arxiv_version","alias_value":"1211.5320v2","created_at":"2026-05-18T01:53:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.5320","created_at":"2026-05-18T01:53:01Z"},{"alias_kind":"pith_short_12","alias_value":"5HCX73LTJ2GN","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"5HCX73LTJ2GNBVBO","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"5HCX73LT","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:5HCX73LTJ2GNBVBOEGOQANHXW4","target":"record","payload":{"canonical_record":{"source":{"id":"1211.5320","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-11-22T15:59:55Z","cross_cats_sorted":[],"title_canon_sha256":"8c35f200dd79abedab035e7de8825a72e70bc4f3e87f4a477e814041c1a6d80f","abstract_canon_sha256":"e84cf3f855ad57ba7574c77827a775dbfdce0f44b6472c70ade2b4d7089450d5"},"schema_version":"1.0"},"canonical_sha256":"e9c57fed734e8cd0d42e219d0034f7b737d1ade521b8c3a6a030b18b938ba83d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:01.485998Z","signature_b64":"GJii6t6REAgUo1IdW7EUKjOvZNR4Es5SNopviHoJVQmfqFWUKH6MnA3BWcxWqfu0jKC4yZ6qJtplc/doprZfAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9c57fed734e8cd0d42e219d0034f7b737d1ade521b8c3a6a030b18b938ba83d","last_reissued_at":"2026-05-18T01:53:01.485268Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:01.485268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.5320","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:53:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jNXTKOlNeBfRnWpELJQ4uZUhtGHY1A8JGsK0BpZ/d3R1h60Q2uxqv9DJKFY4RE492hb8fe+mrwEVh6gLeX3RCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:51:34.884901Z"},"content_sha256":"b3f20b0c6d56e9dcc173d92b47a0d48824b4121cc5b576963ec9df3bc9981407","schema_version":"1.0","event_id":"sha256:b3f20b0c6d56e9dcc173d92b47a0d48824b4121cc5b576963ec9df3bc9981407"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:5HCX73LTJ2GNBVBOEGOQANHXW4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Subwavelength focusing inside an open disordered medium by time reversal at a single point antenna","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"C\\'edric Vandenbem, Mathias Fink, R\\'emi Carminati, Romain Pierrat","submitted_at":"2012-11-22T15:59:55Z","abstract_excerpt":"We study theoretically light focusing at subwavelength scale inside a disordered strongly scattering open medium. We show that broadband time reversal at a single point antenna, in conjunction with near-field interactions and multiple scattering, produces spatial focusing with a quality comparable to that obtained in an ideal closed cavity. This gives new perspectives for super-resolved optical imaging and coherent control of single nanosources or absorbers in complex media."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.5320","kind":"arxiv","version":2},"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":"2026-05-18T01:53:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CG6OKur21wgQPBjZtYIw+mulgOJewCjl2TGU5/gdPXzF8XeeuvgMy4Ja3kIrmi89ghsHIWdGS6YdOksTq5JnBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:51:34.885346Z"},"content_sha256":"06c5033232cb12a670e0fa929f6213d411c8e2a01a3c4cde1f8c1f406c2eb90f","schema_version":"1.0","event_id":"sha256:06c5033232cb12a670e0fa929f6213d411c8e2a01a3c4cde1f8c1f406c2eb90f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5HCX73LTJ2GNBVBOEGOQANHXW4/bundle.json","state_url":"https://pith.science/pith/5HCX73LTJ2GNBVBOEGOQANHXW4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5HCX73LTJ2GNBVBOEGOQANHXW4/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":"2026-05-31T08:51:34Z","links":{"resolver":"https://pith.science/pith/5HCX73LTJ2GNBVBOEGOQANHXW4","bundle":"https://pith.science/pith/5HCX73LTJ2GNBVBOEGOQANHXW4/bundle.json","state":"https://pith.science/pith/5HCX73LTJ2GNBVBOEGOQANHXW4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5HCX73LTJ2GNBVBOEGOQANHXW4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:5HCX73LTJ2GNBVBOEGOQANHXW4","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":"e84cf3f855ad57ba7574c77827a775dbfdce0f44b6472c70ade2b4d7089450d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-11-22T15:59:55Z","title_canon_sha256":"8c35f200dd79abedab035e7de8825a72e70bc4f3e87f4a477e814041c1a6d80f"},"schema_version":"1.0","source":{"id":"1211.5320","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.5320","created_at":"2026-05-18T01:53:01Z"},{"alias_kind":"arxiv_version","alias_value":"1211.5320v2","created_at":"2026-05-18T01:53:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.5320","created_at":"2026-05-18T01:53:01Z"},{"alias_kind":"pith_short_12","alias_value":"5HCX73LTJ2GN","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"5HCX73LTJ2GNBVBO","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"5HCX73LT","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:06c5033232cb12a670e0fa929f6213d411c8e2a01a3c4cde1f8c1f406c2eb90f","target":"graph","created_at":"2026-05-18T01:53:01Z","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 study theoretically light focusing at subwavelength scale inside a disordered strongly scattering open medium. We show that broadband time reversal at a single point antenna, in conjunction with near-field interactions and multiple scattering, produces spatial focusing with a quality comparable to that obtained in an ideal closed cavity. This gives new perspectives for super-resolved optical imaging and coherent control of single nanosources or absorbers in complex media.","authors_text":"C\\'edric Vandenbem, Mathias Fink, R\\'emi Carminati, Romain Pierrat","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-11-22T15:59:55Z","title":"Subwavelength focusing inside an open disordered medium by time reversal at a single point antenna"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.5320","kind":"arxiv","version":2},"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:b3f20b0c6d56e9dcc173d92b47a0d48824b4121cc5b576963ec9df3bc9981407","target":"record","created_at":"2026-05-18T01:53:01Z","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":"e84cf3f855ad57ba7574c77827a775dbfdce0f44b6472c70ade2b4d7089450d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-11-22T15:59:55Z","title_canon_sha256":"8c35f200dd79abedab035e7de8825a72e70bc4f3e87f4a477e814041c1a6d80f"},"schema_version":"1.0","source":{"id":"1211.5320","kind":"arxiv","version":2}},"canonical_sha256":"e9c57fed734e8cd0d42e219d0034f7b737d1ade521b8c3a6a030b18b938ba83d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9c57fed734e8cd0d42e219d0034f7b737d1ade521b8c3a6a030b18b938ba83d","first_computed_at":"2026-05-18T01:53:01.485268Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:01.485268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GJii6t6REAgUo1IdW7EUKjOvZNR4Es5SNopviHoJVQmfqFWUKH6MnA3BWcxWqfu0jKC4yZ6qJtplc/doprZfAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:01.485998Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.5320","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3f20b0c6d56e9dcc173d92b47a0d48824b4121cc5b576963ec9df3bc9981407","sha256:06c5033232cb12a670e0fa929f6213d411c8e2a01a3c4cde1f8c1f406c2eb90f"],"state_sha256":"944e58527948b65c70d6deab679df7a5608887896ecaccfc611128a44b37198e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"daNguuOU8UYrUZDPz8l6VZrLc84m3dbl5yPk4JqyNb+d1SzcDRX+Cn26fuPJKQmyXFQ+YPTfYTb2ArztayfWAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T08:51:34.888947Z","bundle_sha256":"dcadfb0ba3e29c98d6258b3ab32f48cda72fcaeffb1203c3102a67950fbd1c4d"}}