{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:VMK47O5RXO4OS23GDERCBQIZL4","short_pith_number":"pith:VMK47O5R","canonical_record":{"source":{"id":"1207.6472","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-07-27T07:27:19Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"08ac2f9fb0b604cb6b350efb55c80620811fe0e931059f95927a0b5a96b8b7ce","abstract_canon_sha256":"0f5ab5b59fa5d3ef47c218459a55ae2217f21203b94597bb6c42f026e4248e59"},"schema_version":"1.0"},"canonical_sha256":"ab15cfbbb1bbb8e96b66192220c1195f2e3b43043aa47723f1e140a4c03f0152","source":{"kind":"arxiv","id":"1207.6472","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6472","created_at":"2026-05-18T01:56:06Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6472v1","created_at":"2026-05-18T01:56:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6472","created_at":"2026-05-18T01:56:06Z"},{"alias_kind":"pith_short_12","alias_value":"VMK47O5RXO4O","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VMK47O5RXO4OS23G","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VMK47O5R","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:VMK47O5RXO4OS23GDERCBQIZL4","target":"record","payload":{"canonical_record":{"source":{"id":"1207.6472","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-07-27T07:27:19Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"08ac2f9fb0b604cb6b350efb55c80620811fe0e931059f95927a0b5a96b8b7ce","abstract_canon_sha256":"0f5ab5b59fa5d3ef47c218459a55ae2217f21203b94597bb6c42f026e4248e59"},"schema_version":"1.0"},"canonical_sha256":"ab15cfbbb1bbb8e96b66192220c1195f2e3b43043aa47723f1e140a4c03f0152","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:06.803625Z","signature_b64":"RzJxUWFKHxZ9UVDwdUgHw3yPPEfNryreW6tGegHah6245sR8oSLLfEieWmZdOa/YCY/8j9oSnwfrSk78CLeOAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab15cfbbb1bbb8e96b66192220c1195f2e3b43043aa47723f1e140a4c03f0152","last_reissued_at":"2026-05-18T01:56:06.802985Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:06.802985Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.6472","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":"2026-05-18T01:56:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yk4+Q+guspZTZBRG9HBirgdkg/5O/uxETig5VF0PAsTadbq+qIFfXy1aGlLALSh5Son1qxwVAYIwLGRws1FBBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T12:16:26.742788Z"},"content_sha256":"64f432bfc5ab803f7b4eb9bd130c839487c9817af22d5a53a23423398c78e6c0","schema_version":"1.0","event_id":"sha256:64f432bfc5ab803f7b4eb9bd130c839487c9817af22d5a53a23423398c78e6c0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:VMK47O5RXO4OS23GDERCBQIZL4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anomalous dip observed in intensity autocorrelation function as an inherent nature of single-photon emitters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"Hideaki Nakajima, Hidekazu Kumano, Hitoshi Iijima, Ikuo Suemune","submitted_at":"2012-07-27T07:27:19Z","abstract_excerpt":"We report the observation of an anomalous antibunching dip in intensity autocorrelation function with photon correlation measurements on a single-photon emitter (SPE). We show that the anomalous dip observed is a manifestation of quantum nature of SPEs. Taking population dynamics in a quantum two-level system into account correctly, we redefine intensity autocorrelation function. This is of primary importance for precisely evaluating the lowest-level probability of multiphoton generation in SPEs toward realizing versatile pure SPEs for quantum information and communication."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6472","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":"2026-05-18T01:56:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ALTLGxSEVJ77M12hnjn1vmm6qwt7v1nEXa2aslgZK67jjgtUY5qCeUY8PjO9N+qSzfQ/oMC1L8mFS0yjAOc9BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T12:16:26.743140Z"},"content_sha256":"63cadbbd1fee6334cfad210cf855c9beb8b9cd8649e64c4e915e745570ccbf62","schema_version":"1.0","event_id":"sha256:63cadbbd1fee6334cfad210cf855c9beb8b9cd8649e64c4e915e745570ccbf62"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VMK47O5RXO4OS23GDERCBQIZL4/bundle.json","state_url":"https://pith.science/pith/VMK47O5RXO4OS23GDERCBQIZL4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VMK47O5RXO4OS23GDERCBQIZL4/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":"2026-06-11T12:16:26Z","links":{"resolver":"https://pith.science/pith/VMK47O5RXO4OS23GDERCBQIZL4","bundle":"https://pith.science/pith/VMK47O5RXO4OS23GDERCBQIZL4/bundle.json","state":"https://pith.science/pith/VMK47O5RXO4OS23GDERCBQIZL4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VMK47O5RXO4OS23GDERCBQIZL4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:VMK47O5RXO4OS23GDERCBQIZL4","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":"0f5ab5b59fa5d3ef47c218459a55ae2217f21203b94597bb6c42f026e4248e59","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-07-27T07:27:19Z","title_canon_sha256":"08ac2f9fb0b604cb6b350efb55c80620811fe0e931059f95927a0b5a96b8b7ce"},"schema_version":"1.0","source":{"id":"1207.6472","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6472","created_at":"2026-05-18T01:56:06Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6472v1","created_at":"2026-05-18T01:56:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6472","created_at":"2026-05-18T01:56:06Z"},{"alias_kind":"pith_short_12","alias_value":"VMK47O5RXO4O","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VMK47O5RXO4OS23G","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VMK47O5R","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:63cadbbd1fee6334cfad210cf855c9beb8b9cd8649e64c4e915e745570ccbf62","target":"graph","created_at":"2026-05-18T01:56:06Z","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 report the observation of an anomalous antibunching dip in intensity autocorrelation function with photon correlation measurements on a single-photon emitter (SPE). We show that the anomalous dip observed is a manifestation of quantum nature of SPEs. Taking population dynamics in a quantum two-level system into account correctly, we redefine intensity autocorrelation function. This is of primary importance for precisely evaluating the lowest-level probability of multiphoton generation in SPEs toward realizing versatile pure SPEs for quantum information and communication.","authors_text":"Hideaki Nakajima, Hidekazu Kumano, Hitoshi Iijima, Ikuo Suemune","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-07-27T07:27:19Z","title":"Anomalous dip observed in intensity autocorrelation function as an inherent nature of single-photon emitters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6472","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":"sha256:64f432bfc5ab803f7b4eb9bd130c839487c9817af22d5a53a23423398c78e6c0","target":"record","created_at":"2026-05-18T01:56:06Z","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":"0f5ab5b59fa5d3ef47c218459a55ae2217f21203b94597bb6c42f026e4248e59","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-07-27T07:27:19Z","title_canon_sha256":"08ac2f9fb0b604cb6b350efb55c80620811fe0e931059f95927a0b5a96b8b7ce"},"schema_version":"1.0","source":{"id":"1207.6472","kind":"arxiv","version":1}},"canonical_sha256":"ab15cfbbb1bbb8e96b66192220c1195f2e3b43043aa47723f1e140a4c03f0152","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab15cfbbb1bbb8e96b66192220c1195f2e3b43043aa47723f1e140a4c03f0152","first_computed_at":"2026-05-18T01:56:06.802985Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:56:06.802985Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RzJxUWFKHxZ9UVDwdUgHw3yPPEfNryreW6tGegHah6245sR8oSLLfEieWmZdOa/YCY/8j9oSnwfrSk78CLeOAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:56:06.803625Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.6472","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:64f432bfc5ab803f7b4eb9bd130c839487c9817af22d5a53a23423398c78e6c0","sha256:63cadbbd1fee6334cfad210cf855c9beb8b9cd8649e64c4e915e745570ccbf62"],"state_sha256":"ce6fc7a0a34d5721b7d40a5b98f9f7dae314130c983ecb3fdcd475fb0e58fc57"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n3amqR4/HMlguhGcfKeHhsDsMGd84f6G20qFd3Ni6OckD3l/B+HwKqCNQ/e+OoPBD4K69RMZ5dmuN5H+P5nzCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T12:16:26.745265Z","bundle_sha256":"6b976b38beebe511812cefce16a1f9703bb7355c1fc688e5c986f4c519020e13"}}