{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:JFQV2OTCAXVFRZWFI3NEGM3ONB","short_pith_number":"pith:JFQV2OTC","canonical_record":{"source":{"id":"1510.04217","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-14T17:47:16Z","cross_cats_sorted":[],"title_canon_sha256":"09f1f0c048d657e14dca752b3d40fc4451c41e4a573ccb2acd0b9e2c1e6b1f62","abstract_canon_sha256":"b8c909e9853877ac3122a89d9ebc27a34c9bde751348c3425088d0b7c02b4e46"},"schema_version":"1.0"},"canonical_sha256":"49615d3a6205ea58e6c546da43336e687851300371a1d77fbd1cb7c70411dd0b","source":{"kind":"arxiv","id":"1510.04217","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.04217","created_at":"2026-05-18T01:30:08Z"},{"alias_kind":"arxiv_version","alias_value":"1510.04217v1","created_at":"2026-05-18T01:30:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.04217","created_at":"2026-05-18T01:30:08Z"},{"alias_kind":"pith_short_12","alias_value":"JFQV2OTCAXVF","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JFQV2OTCAXVFRZWF","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JFQV2OTC","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:JFQV2OTCAXVFRZWFI3NEGM3ONB","target":"record","payload":{"canonical_record":{"source":{"id":"1510.04217","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-14T17:47:16Z","cross_cats_sorted":[],"title_canon_sha256":"09f1f0c048d657e14dca752b3d40fc4451c41e4a573ccb2acd0b9e2c1e6b1f62","abstract_canon_sha256":"b8c909e9853877ac3122a89d9ebc27a34c9bde751348c3425088d0b7c02b4e46"},"schema_version":"1.0"},"canonical_sha256":"49615d3a6205ea58e6c546da43336e687851300371a1d77fbd1cb7c70411dd0b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:08.890786Z","signature_b64":"I1LGjlY3/45kmP3XJfoQ96u7ajppndglpLU2i+HIw1q83m/NcDGHzV9wyshtUOIcGXjJIIp6sZnj8sj8GTYiAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49615d3a6205ea58e6c546da43336e687851300371a1d77fbd1cb7c70411dd0b","last_reissued_at":"2026-05-18T01:30:08.890207Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:08.890207Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.04217","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":"2026-05-18T01:30:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2chG/4XtLFRTJV6G/AUmkm4NMQBqbHPQJnd6ztNaOAvc2Dkgv0+1dtfaTeKji+SY2vLDty2RreRDmR5hi7WPBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:09:42.778127Z"},"content_sha256":"9b0ce9648c453438734ca82e2ea876e20e28ac8516d0cd07eae594783d17b7f8","schema_version":"1.0","event_id":"sha256:9b0ce9648c453438734ca82e2ea876e20e28ac8516d0cd07eae594783d17b7f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:JFQV2OTCAXVFRZWFI3NEGM3ONB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"How subtraction of a single photon affects many quantum modes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Claude Fabre, Cl\\'ement Jacquard, Nicolas Treps, Valentin A. Averchenko, Val\\'erian Thiel","submitted_at":"2015-10-14T17:47:16Z","abstract_excerpt":"The subtraction of a single photon from a multimode quantum field is analyzed as the conditional evolution of an open quantum system. We develop a theory describing different subtraction schemes in a unified approach and we introduce the concept of subtraction modes intrinsic to the process. The matching between the subtraction modes and the modes of the field defines different possible scenarios for the photon subtraction. In particular, our framework identifies: the conditions of pure photon subtraction, the quantum states of the field modes conditioned to the photon subtraction, the mode wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.04217","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":"2026-05-18T01:30:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GB11vUIkyxiwjCf/ENuNWjcbO5Xt2O6mAxnLgF6y1Q675BaicVl98Xux6RUta+py0p4JC15ce80Uy2XL5RrDAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:09:42.778776Z"},"content_sha256":"d72a3cb21f4a442782ba1c69ff7eb1c96907c84680c6250d65d88a33693b37a6","schema_version":"1.0","event_id":"sha256:d72a3cb21f4a442782ba1c69ff7eb1c96907c84680c6250d65d88a33693b37a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JFQV2OTCAXVFRZWFI3NEGM3ONB/bundle.json","state_url":"https://pith.science/pith/JFQV2OTCAXVFRZWFI3NEGM3ONB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JFQV2OTCAXVFRZWFI3NEGM3ONB/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":"2026-05-26T17:09:42Z","links":{"resolver":"https://pith.science/pith/JFQV2OTCAXVFRZWFI3NEGM3ONB","bundle":"https://pith.science/pith/JFQV2OTCAXVFRZWFI3NEGM3ONB/bundle.json","state":"https://pith.science/pith/JFQV2OTCAXVFRZWFI3NEGM3ONB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JFQV2OTCAXVFRZWFI3NEGM3ONB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:JFQV2OTCAXVFRZWFI3NEGM3ONB","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":"b8c909e9853877ac3122a89d9ebc27a34c9bde751348c3425088d0b7c02b4e46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-14T17:47:16Z","title_canon_sha256":"09f1f0c048d657e14dca752b3d40fc4451c41e4a573ccb2acd0b9e2c1e6b1f62"},"schema_version":"1.0","source":{"id":"1510.04217","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.04217","created_at":"2026-05-18T01:30:08Z"},{"alias_kind":"arxiv_version","alias_value":"1510.04217v1","created_at":"2026-05-18T01:30:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.04217","created_at":"2026-05-18T01:30:08Z"},{"alias_kind":"pith_short_12","alias_value":"JFQV2OTCAXVF","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JFQV2OTCAXVFRZWF","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JFQV2OTC","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:d72a3cb21f4a442782ba1c69ff7eb1c96907c84680c6250d65d88a33693b37a6","target":"graph","created_at":"2026-05-18T01:30:08Z","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 subtraction of a single photon from a multimode quantum field is analyzed as the conditional evolution of an open quantum system. We develop a theory describing different subtraction schemes in a unified approach and we introduce the concept of subtraction modes intrinsic to the process. The matching between the subtraction modes and the modes of the field defines different possible scenarios for the photon subtraction. In particular, our framework identifies: the conditions of pure photon subtraction, the quantum states of the field modes conditioned to the photon subtraction, the mode wi","authors_text":"Claude Fabre, Cl\\'ement Jacquard, Nicolas Treps, Valentin A. Averchenko, Val\\'erian Thiel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-14T17:47:16Z","title":"How subtraction of a single photon affects many quantum modes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.04217","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":"sha256:9b0ce9648c453438734ca82e2ea876e20e28ac8516d0cd07eae594783d17b7f8","target":"record","created_at":"2026-05-18T01:30:08Z","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":"b8c909e9853877ac3122a89d9ebc27a34c9bde751348c3425088d0b7c02b4e46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-14T17:47:16Z","title_canon_sha256":"09f1f0c048d657e14dca752b3d40fc4451c41e4a573ccb2acd0b9e2c1e6b1f62"},"schema_version":"1.0","source":{"id":"1510.04217","kind":"arxiv","version":1}},"canonical_sha256":"49615d3a6205ea58e6c546da43336e687851300371a1d77fbd1cb7c70411dd0b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49615d3a6205ea58e6c546da43336e687851300371a1d77fbd1cb7c70411dd0b","first_computed_at":"2026-05-18T01:30:08.890207Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:30:08.890207Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I1LGjlY3/45kmP3XJfoQ96u7ajppndglpLU2i+HIw1q83m/NcDGHzV9wyshtUOIcGXjJIIp6sZnj8sj8GTYiAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:30:08.890786Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.04217","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9b0ce9648c453438734ca82e2ea876e20e28ac8516d0cd07eae594783d17b7f8","sha256:d72a3cb21f4a442782ba1c69ff7eb1c96907c84680c6250d65d88a33693b37a6"],"state_sha256":"960dc19c503ddb65696e5ae678dd58f689f5756c48e30d1df3369935195c1ca4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uw3NtGDvKNI8f+QPj1biGOqUQcDMgDwxMFAVrUXsbSh3cTNloaGN0zqlQp8thyl9aJ8/7u7cjyVRCyUa/8E1Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T17:09:42.781766Z","bundle_sha256":"c2cd2ca02733c9812b89c4a58e2ddf8a9e5d4a74182c5c2026f6a3e09a79226c"}}