{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:4GULODKGCQTGET5BSSRRPYISEN","short_pith_number":"pith:4GULODKG","canonical_record":{"source":{"id":"1502.04450","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-16T08:04:45Z","cross_cats_sorted":[],"title_canon_sha256":"084c009a44f64bc505633f730fd31dca1b1d821f628d1ef562269997641e30c7","abstract_canon_sha256":"d040332dcfc1087a4caef8db4b4b842a378b7dd0f928dd2c3da77c1870f15b52"},"schema_version":"1.0"},"canonical_sha256":"e1a8b70d461426624fa194a317e11223704d95412113af8923c7707d9bf352da","source":{"kind":"arxiv","id":"1502.04450","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.04450","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"arxiv_version","alias_value":"1502.04450v1","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.04450","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"pith_short_12","alias_value":"4GULODKGCQTG","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4GULODKGCQTGET5B","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4GULODKG","created_at":"2026-05-18T12:29:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:4GULODKGCQTGET5BSSRRPYISEN","target":"record","payload":{"canonical_record":{"source":{"id":"1502.04450","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-16T08:04:45Z","cross_cats_sorted":[],"title_canon_sha256":"084c009a44f64bc505633f730fd31dca1b1d821f628d1ef562269997641e30c7","abstract_canon_sha256":"d040332dcfc1087a4caef8db4b4b842a378b7dd0f928dd2c3da77c1870f15b52"},"schema_version":"1.0"},"canonical_sha256":"e1a8b70d461426624fa194a317e11223704d95412113af8923c7707d9bf352da","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:32.758362Z","signature_b64":"7LB8QBdRj/IdhEndITXJZpEqesABNb02eouoOfAv6pwPOlqy4aOnSqMtX3CMNts95nC3phdHocIZqNvHVkVZAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e1a8b70d461426624fa194a317e11223704d95412113af8923c7707d9bf352da","last_reissued_at":"2026-05-18T01:55:32.757769Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:32.757769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.04450","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":"2026-05-18T01:55:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"09bfAExp4xgW3XS6RouoAkQLa1bJFbMdQEgrR+CTnmNQa40B1yYkurFGJk8uqStYU0WP7HKJgW1+q+L8zZhtAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T23:06:07.997753Z"},"content_sha256":"32fb73b59c67ac42ed327e9df87e0ef8ac763286c390206a34a6d99bb61a1f3b","schema_version":"1.0","event_id":"sha256:32fb73b59c67ac42ed327e9df87e0ef8ac763286c390206a34a6d99bb61a1f3b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:4GULODKGCQTGET5BSSRRPYISEN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spontaneous four-wave mixing in liquid-core fibers: Towards fibered Raman-free correlated photon sources","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"I. Zaquine, M. Barbier, P. Delaye","submitted_at":"2015-02-16T08:04:45Z","abstract_excerpt":"We experimentally demonstrate, for the first time to our knowledge, the generation of correlated photon pairs in a liquid-core photonic crystal fiber. Moreover, we show that, thanks to the specific Raman properties of liquids, the Raman noise (which is the main limitation of the performance of silica-core fiber-based correlated photon pair sources) is highly reduced. With a demonstrated coincident-to-accidental ratio equal to 63 and a pair generation efficiency of about 10$^{-4}$ per pump pulse, this work opens the way for the development of high quality correlated photon pair sources for quan"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.04450","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":"2026-05-18T01:55:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OFFh2dTe4dKz2x22qdkUx8clcYw1sCG3Z0DUl3KguM8iVl0VrGIMtbyD+XWC9Q3e4vwf6H3Ish78FGW5qAQSAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T23:06:07.998521Z"},"content_sha256":"5eef0d96db4586270e0759e867656d8396f7d1367a7b48f8c5eaceee4ddc7af5","schema_version":"1.0","event_id":"sha256:5eef0d96db4586270e0759e867656d8396f7d1367a7b48f8c5eaceee4ddc7af5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4GULODKGCQTGET5BSSRRPYISEN/bundle.json","state_url":"https://pith.science/pith/4GULODKGCQTGET5BSSRRPYISEN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4GULODKGCQTGET5BSSRRPYISEN/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":"2026-06-07T23:06:08Z","links":{"resolver":"https://pith.science/pith/4GULODKGCQTGET5BSSRRPYISEN","bundle":"https://pith.science/pith/4GULODKGCQTGET5BSSRRPYISEN/bundle.json","state":"https://pith.science/pith/4GULODKGCQTGET5BSSRRPYISEN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4GULODKGCQTGET5BSSRRPYISEN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:4GULODKGCQTGET5BSSRRPYISEN","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":"d040332dcfc1087a4caef8db4b4b842a378b7dd0f928dd2c3da77c1870f15b52","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-16T08:04:45Z","title_canon_sha256":"084c009a44f64bc505633f730fd31dca1b1d821f628d1ef562269997641e30c7"},"schema_version":"1.0","source":{"id":"1502.04450","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.04450","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"arxiv_version","alias_value":"1502.04450v1","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.04450","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"pith_short_12","alias_value":"4GULODKGCQTG","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4GULODKGCQTGET5B","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4GULODKG","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:5eef0d96db4586270e0759e867656d8396f7d1367a7b48f8c5eaceee4ddc7af5","target":"graph","created_at":"2026-05-18T01:55:32Z","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 experimentally demonstrate, for the first time to our knowledge, the generation of correlated photon pairs in a liquid-core photonic crystal fiber. Moreover, we show that, thanks to the specific Raman properties of liquids, the Raman noise (which is the main limitation of the performance of silica-core fiber-based correlated photon pair sources) is highly reduced. With a demonstrated coincident-to-accidental ratio equal to 63 and a pair generation efficiency of about 10$^{-4}$ per pump pulse, this work opens the way for the development of high quality correlated photon pair sources for quan","authors_text":"I. Zaquine, M. Barbier, P. Delaye","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-16T08:04:45Z","title":"Spontaneous four-wave mixing in liquid-core fibers: Towards fibered Raman-free correlated photon sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.04450","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":"sha256:32fb73b59c67ac42ed327e9df87e0ef8ac763286c390206a34a6d99bb61a1f3b","target":"record","created_at":"2026-05-18T01:55:32Z","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":"d040332dcfc1087a4caef8db4b4b842a378b7dd0f928dd2c3da77c1870f15b52","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-16T08:04:45Z","title_canon_sha256":"084c009a44f64bc505633f730fd31dca1b1d821f628d1ef562269997641e30c7"},"schema_version":"1.0","source":{"id":"1502.04450","kind":"arxiv","version":1}},"canonical_sha256":"e1a8b70d461426624fa194a317e11223704d95412113af8923c7707d9bf352da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e1a8b70d461426624fa194a317e11223704d95412113af8923c7707d9bf352da","first_computed_at":"2026-05-18T01:55:32.757769Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:55:32.757769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7LB8QBdRj/IdhEndITXJZpEqesABNb02eouoOfAv6pwPOlqy4aOnSqMtX3CMNts95nC3phdHocIZqNvHVkVZAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:55:32.758362Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.04450","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32fb73b59c67ac42ed327e9df87e0ef8ac763286c390206a34a6d99bb61a1f3b","sha256:5eef0d96db4586270e0759e867656d8396f7d1367a7b48f8c5eaceee4ddc7af5"],"state_sha256":"f8dadfa327814638083a18302665109c6b7a6778379d647ba14f064ebba6a221"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5/g8Rzft9C0abIgZlS0ajbvT5aB6EaF/M3T/xgheiQDMjoENDGjcnxzDU+qB7s+MAqijP/EIQLuqWMDp3xOLAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T23:06:08.002496Z","bundle_sha256":"8bfdb2316dedb00508eafa3fb7f356590ca8be8b49541dede5183c99c4fb2301"}}