{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:BKOJJRLTEMLFVQEWWVP3LVK77T","short_pith_number":"pith:BKOJJRLT","canonical_record":{"source":{"id":"1410.2004","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-08T07:37:02Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"289622a919e82619e8ff063a0e5fa838b92aebd7fa93b58c4a7bbb5d3dcc1f85","abstract_canon_sha256":"ee8267116930ff2dbd0343d5948386343c316d35d4dc690d52530f654b6656ac"},"schema_version":"1.0"},"canonical_sha256":"0a9c94c57323165ac096b55fb5d55ffcf7a5373525d1965d6ea218bd70575234","source":{"kind":"arxiv","id":"1410.2004","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2004","created_at":"2026-05-18T02:38:26Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2004v2","created_at":"2026-05-18T02:38:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2004","created_at":"2026-05-18T02:38:26Z"},{"alias_kind":"pith_short_12","alias_value":"BKOJJRLTEMLF","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BKOJJRLTEMLFVQEW","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BKOJJRLT","created_at":"2026-05-18T12:28:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:BKOJJRLTEMLFVQEWWVP3LVK77T","target":"record","payload":{"canonical_record":{"source":{"id":"1410.2004","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-08T07:37:02Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"289622a919e82619e8ff063a0e5fa838b92aebd7fa93b58c4a7bbb5d3dcc1f85","abstract_canon_sha256":"ee8267116930ff2dbd0343d5948386343c316d35d4dc690d52530f654b6656ac"},"schema_version":"1.0"},"canonical_sha256":"0a9c94c57323165ac096b55fb5d55ffcf7a5373525d1965d6ea218bd70575234","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:26.144848Z","signature_b64":"OqG+g63zwbnSXtOA+9ZANDFIPM0tma/L55tpUBM/lPc0zLjjldRCaUH36fLBJzcvF48shZQStSKRrb1F3n7DBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a9c94c57323165ac096b55fb5d55ffcf7a5373525d1965d6ea218bd70575234","last_reissued_at":"2026-05-18T02:38:26.144232Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:26.144232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.2004","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":"2026-05-18T02:38:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7IaSZzvUkAL1axuUWZFteIpkpS9cFzwOMgb4F5fEoSNkiLkKNuJ0N1hbHHYJWi0tKStSxFSLTn0Md6QClcYhBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:45:49.171714Z"},"content_sha256":"14cf9fd35e65c27b755866453105eeed000efae02039cef0ffa40fb461ce15f6","schema_version":"1.0","event_id":"sha256:14cf9fd35e65c27b755866453105eeed000efae02039cef0ffa40fb461ce15f6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:BKOJJRLTEMLFVQEWWVP3LVK77T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Physically transient photonics: random vs. distributed feedback lasing based on nanoimprinted DNA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"(2) Institute of Physical, 3) ((1) Istituto Nanoscienze-CNR, (3) Dipartimento di Matematica e Fisica 'E. De Giorgi'-Universit\\`a del Salento), Adam Szukalski (2), Andrea Camposeo (1), Dario Pisignano (1, Jaroslaw Mysliwiec (2), Konrad Cyprych (2), Lech Sznitko (2), Luana Persano (1), Pompilio Del Carro (1), Theoretical Chemistry-Wroclaw University of Technology","submitted_at":"2014-10-08T07:37:02Z","abstract_excerpt":"The authors report on a room-temperature nanoimprinted, DNA-based distributed feedback (DFB) laser operating at 605 nm. The laser is made of a pure DNA host matrix doped with gain dyes. At high excitation densities, the emission of the untextured dye-doped DNA films is characterized by a broad emission peak with an overall linewidth of 12 nm and superimposed narrow peaks, characteristic of random lasing. Moreover, direct patterning of the DNA films is demonstrated with a resolution down to 100 nm, enabling the realization of both surface-emitting and edge-emitting DFB lasers with a typical lin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2004","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":"2026-05-18T02:38:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DVQQ3G/eb39g4L0RjvwqEsICXxzchoP8Ejuiz51Jpv2+fhnSwp9mzz1wDUuQMeYoEooOD5oN9ZfyCNKtZKJFCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:45:49.172458Z"},"content_sha256":"6957bcd5e0d6a638cf25a62c56c2ba5be92bd0b83ee26bc0cd385d7e856e26af","schema_version":"1.0","event_id":"sha256:6957bcd5e0d6a638cf25a62c56c2ba5be92bd0b83ee26bc0cd385d7e856e26af"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BKOJJRLTEMLFVQEWWVP3LVK77T/bundle.json","state_url":"https://pith.science/pith/BKOJJRLTEMLFVQEWWVP3LVK77T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BKOJJRLTEMLFVQEWWVP3LVK77T/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":"2026-06-08T15:45:49Z","links":{"resolver":"https://pith.science/pith/BKOJJRLTEMLFVQEWWVP3LVK77T","bundle":"https://pith.science/pith/BKOJJRLTEMLFVQEWWVP3LVK77T/bundle.json","state":"https://pith.science/pith/BKOJJRLTEMLFVQEWWVP3LVK77T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BKOJJRLTEMLFVQEWWVP3LVK77T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:BKOJJRLTEMLFVQEWWVP3LVK77T","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":"ee8267116930ff2dbd0343d5948386343c316d35d4dc690d52530f654b6656ac","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-08T07:37:02Z","title_canon_sha256":"289622a919e82619e8ff063a0e5fa838b92aebd7fa93b58c4a7bbb5d3dcc1f85"},"schema_version":"1.0","source":{"id":"1410.2004","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2004","created_at":"2026-05-18T02:38:26Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2004v2","created_at":"2026-05-18T02:38:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2004","created_at":"2026-05-18T02:38:26Z"},{"alias_kind":"pith_short_12","alias_value":"BKOJJRLTEMLF","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BKOJJRLTEMLFVQEW","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BKOJJRLT","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:6957bcd5e0d6a638cf25a62c56c2ba5be92bd0b83ee26bc0cd385d7e856e26af","target":"graph","created_at":"2026-05-18T02:38:26Z","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 authors report on a room-temperature nanoimprinted, DNA-based distributed feedback (DFB) laser operating at 605 nm. The laser is made of a pure DNA host matrix doped with gain dyes. At high excitation densities, the emission of the untextured dye-doped DNA films is characterized by a broad emission peak with an overall linewidth of 12 nm and superimposed narrow peaks, characteristic of random lasing. Moreover, direct patterning of the DNA films is demonstrated with a resolution down to 100 nm, enabling the realization of both surface-emitting and edge-emitting DFB lasers with a typical lin","authors_text":"(2) Institute of Physical, 3) ((1) Istituto Nanoscienze-CNR, (3) Dipartimento di Matematica e Fisica 'E. De Giorgi'-Universit\\`a del Salento), Adam Szukalski (2), Andrea Camposeo (1), Dario Pisignano (1, Jaroslaw Mysliwiec (2), Konrad Cyprych (2), Lech Sznitko (2), Luana Persano (1), Pompilio Del Carro (1), Theoretical Chemistry-Wroclaw University of Technology","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-08T07:37:02Z","title":"Physically transient photonics: random vs. distributed feedback lasing based on nanoimprinted DNA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2004","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":"sha256:14cf9fd35e65c27b755866453105eeed000efae02039cef0ffa40fb461ce15f6","target":"record","created_at":"2026-05-18T02:38:26Z","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":"ee8267116930ff2dbd0343d5948386343c316d35d4dc690d52530f654b6656ac","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-08T07:37:02Z","title_canon_sha256":"289622a919e82619e8ff063a0e5fa838b92aebd7fa93b58c4a7bbb5d3dcc1f85"},"schema_version":"1.0","source":{"id":"1410.2004","kind":"arxiv","version":2}},"canonical_sha256":"0a9c94c57323165ac096b55fb5d55ffcf7a5373525d1965d6ea218bd70575234","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a9c94c57323165ac096b55fb5d55ffcf7a5373525d1965d6ea218bd70575234","first_computed_at":"2026-05-18T02:38:26.144232Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:38:26.144232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OqG+g63zwbnSXtOA+9ZANDFIPM0tma/L55tpUBM/lPc0zLjjldRCaUH36fLBJzcvF48shZQStSKRrb1F3n7DBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:38:26.144848Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.2004","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:14cf9fd35e65c27b755866453105eeed000efae02039cef0ffa40fb461ce15f6","sha256:6957bcd5e0d6a638cf25a62c56c2ba5be92bd0b83ee26bc0cd385d7e856e26af"],"state_sha256":"cfc4cc035487770362611f104c86ddf94945a55bba8df491cdf724bb9360e13d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fIvqhB1Q5fdAbIULtQXKcRLiOljmcagHhz9+CbGYhZaqXTJMHr1jzdPF9cb9pU1HcDeZBmbseqfci3DvU6F3DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T15:45:49.176429Z","bundle_sha256":"8a363ef47210e72fb9ffe7509e27a0a1072f117ef66ce53e81b762522e2dfb21"}}