{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:VPDTNGEV4R2SDUVRVPWJ7HTRIM","short_pith_number":"pith:VPDTNGEV","canonical_record":{"source":{"id":"1303.7138","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-03-28T14:49:35Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"020d8e31570a98a54fa0a64b3ae94d964f1530191e8ff0f3a2c63567bdf94766","abstract_canon_sha256":"9b88116db19a63b71208930b32d4cab8a80124ebb24be9bb6cf265017a7810ff"},"schema_version":"1.0"},"canonical_sha256":"abc7369895e47521d2b1abec9f9e71430a15bf26866d37c95d129672d5f5a0f0","source":{"kind":"arxiv","id":"1303.7138","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.7138","created_at":"2026-05-18T01:50:51Z"},{"alias_kind":"arxiv_version","alias_value":"1303.7138v1","created_at":"2026-05-18T01:50:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.7138","created_at":"2026-05-18T01:50:51Z"},{"alias_kind":"pith_short_12","alias_value":"VPDTNGEV4R2S","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VPDTNGEV4R2SDUVR","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VPDTNGEV","created_at":"2026-05-18T12:28:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:VPDTNGEV4R2SDUVRVPWJ7HTRIM","target":"record","payload":{"canonical_record":{"source":{"id":"1303.7138","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-03-28T14:49:35Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"020d8e31570a98a54fa0a64b3ae94d964f1530191e8ff0f3a2c63567bdf94766","abstract_canon_sha256":"9b88116db19a63b71208930b32d4cab8a80124ebb24be9bb6cf265017a7810ff"},"schema_version":"1.0"},"canonical_sha256":"abc7369895e47521d2b1abec9f9e71430a15bf26866d37c95d129672d5f5a0f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:51.532171Z","signature_b64":"DUT3QH7rQ5OrWObaFxDOBF/DeBACEukImkOuNa7sWeP8OOZ15Deu6iFtgNB8IxQpT3JqPC1lc5eaqxRlutOkAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"abc7369895e47521d2b1abec9f9e71430a15bf26866d37c95d129672d5f5a0f0","last_reissued_at":"2026-05-18T01:50:51.531557Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:51.531557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.7138","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":"2026-05-18T01:50:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tqg74bcUulWtQmp8ZTZ8H95PyOqJOINyTos4AmyF/h3b46o73jzJiTq7tdOJnojfNrVnW64ThAswRMLHwBOdBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:47:15.849602Z"},"content_sha256":"d9516efdae2e9b2165dcf1ad024f9ce9b594951a2a0a370ddb28c83242697d71","schema_version":"1.0","event_id":"sha256:d9516efdae2e9b2165dcf1ad024f9ce9b594951a2a0a370ddb28c83242697d71"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:VPDTNGEV4R2SDUVRVPWJ7HTRIM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unequivocal differentiation of coherent and chaotic light through interferometric photon correlation measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Alexios Beveratos, Armand Lebreton, Isabelle Robert-Philip, Isabelle Sagnes, Izo Abram, R\\'emy Braive","submitted_at":"2013-03-28T14:49:35Z","abstract_excerpt":"We present a novel experimental technique that can differentiate unequivocally between chaotic light and coherent light with amplitude fluctuations, and thus permits to characterize unambiguously the output of a laser. This technique consists of measuring the second-order intensity cross-correlation at the outputs of an unbalanced Michelson interferometer. It is applied to a chaotic light source and to the output of a semiconductor nanolaser whose \"standard\" intensity correlation function above-threshold displays values compatible with a mixture of coherent and chaotic light. Our experimental "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.7138","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":"2026-05-18T01:50:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sAMLAxw43uZexDn8DeGymiajPSthZCXbkrsLt8PVMf6039osO3PbDtjcG3qsWXlPyC33XmeuG7SMqE7KUZ6CAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:47:15.850290Z"},"content_sha256":"118d9e6f1b0c026927cf6864590ea454f135845262bc90634da37329a8dbd5ef","schema_version":"1.0","event_id":"sha256:118d9e6f1b0c026927cf6864590ea454f135845262bc90634da37329a8dbd5ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VPDTNGEV4R2SDUVRVPWJ7HTRIM/bundle.json","state_url":"https://pith.science/pith/VPDTNGEV4R2SDUVRVPWJ7HTRIM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VPDTNGEV4R2SDUVRVPWJ7HTRIM/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":"2026-05-25T22:47:15Z","links":{"resolver":"https://pith.science/pith/VPDTNGEV4R2SDUVRVPWJ7HTRIM","bundle":"https://pith.science/pith/VPDTNGEV4R2SDUVRVPWJ7HTRIM/bundle.json","state":"https://pith.science/pith/VPDTNGEV4R2SDUVRVPWJ7HTRIM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VPDTNGEV4R2SDUVRVPWJ7HTRIM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:VPDTNGEV4R2SDUVRVPWJ7HTRIM","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":"9b88116db19a63b71208930b32d4cab8a80124ebb24be9bb6cf265017a7810ff","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-03-28T14:49:35Z","title_canon_sha256":"020d8e31570a98a54fa0a64b3ae94d964f1530191e8ff0f3a2c63567bdf94766"},"schema_version":"1.0","source":{"id":"1303.7138","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.7138","created_at":"2026-05-18T01:50:51Z"},{"alias_kind":"arxiv_version","alias_value":"1303.7138v1","created_at":"2026-05-18T01:50:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.7138","created_at":"2026-05-18T01:50:51Z"},{"alias_kind":"pith_short_12","alias_value":"VPDTNGEV4R2S","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VPDTNGEV4R2SDUVR","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VPDTNGEV","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:118d9e6f1b0c026927cf6864590ea454f135845262bc90634da37329a8dbd5ef","target":"graph","created_at":"2026-05-18T01:50:51Z","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 present a novel experimental technique that can differentiate unequivocally between chaotic light and coherent light with amplitude fluctuations, and thus permits to characterize unambiguously the output of a laser. This technique consists of measuring the second-order intensity cross-correlation at the outputs of an unbalanced Michelson interferometer. It is applied to a chaotic light source and to the output of a semiconductor nanolaser whose \"standard\" intensity correlation function above-threshold displays values compatible with a mixture of coherent and chaotic light. Our experimental ","authors_text":"Alexios Beveratos, Armand Lebreton, Isabelle Robert-Philip, Isabelle Sagnes, Izo Abram, R\\'emy Braive","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-03-28T14:49:35Z","title":"Unequivocal differentiation of coherent and chaotic light through interferometric photon correlation measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.7138","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:d9516efdae2e9b2165dcf1ad024f9ce9b594951a2a0a370ddb28c83242697d71","target":"record","created_at":"2026-05-18T01:50:51Z","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":"9b88116db19a63b71208930b32d4cab8a80124ebb24be9bb6cf265017a7810ff","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-03-28T14:49:35Z","title_canon_sha256":"020d8e31570a98a54fa0a64b3ae94d964f1530191e8ff0f3a2c63567bdf94766"},"schema_version":"1.0","source":{"id":"1303.7138","kind":"arxiv","version":1}},"canonical_sha256":"abc7369895e47521d2b1abec9f9e71430a15bf26866d37c95d129672d5f5a0f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"abc7369895e47521d2b1abec9f9e71430a15bf26866d37c95d129672d5f5a0f0","first_computed_at":"2026-05-18T01:50:51.531557Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:51.531557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DUT3QH7rQ5OrWObaFxDOBF/DeBACEukImkOuNa7sWeP8OOZ15Deu6iFtgNB8IxQpT3JqPC1lc5eaqxRlutOkAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:51.532171Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.7138","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d9516efdae2e9b2165dcf1ad024f9ce9b594951a2a0a370ddb28c83242697d71","sha256:118d9e6f1b0c026927cf6864590ea454f135845262bc90634da37329a8dbd5ef"],"state_sha256":"9619bdabf639c8fa77b12a3c430222ea7fcbd192fce7a209e907b05675a53df3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wr5dnrAQDV8km+8TNGXeQirGEVpR8FQ8eEwSIHI4sNS+SD3oy1aiZqzTp5KNXTxPeK5P6qClrNv+jxhV62S+Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:47:15.854263Z","bundle_sha256":"ec466e7ac372d938db5fdc92e9017a5a887199e34be86e895e1f56500823a505"}}