{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:IPPC7VCHCLYHC42OPKZ2DQNBPN","short_pith_number":"pith:IPPC7VCH","canonical_record":{"source":{"id":"1605.09147","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-30T09:11:03Z","cross_cats_sorted":[],"title_canon_sha256":"2f83b18a7b058624fc43e32589a45602efda3f7e61764b1fc100db1add3981c4","abstract_canon_sha256":"c792651e03a84e269ebfb6629ec47aa4d65c25c520c9aa925b583f2405f3726a"},"schema_version":"1.0"},"canonical_sha256":"43de2fd44712f071734e7ab3a1c1a17b4e2e368752748ce15aa57a6945e75a04","source":{"kind":"arxiv","id":"1605.09147","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.09147","created_at":"2026-05-18T01:04:09Z"},{"alias_kind":"arxiv_version","alias_value":"1605.09147v1","created_at":"2026-05-18T01:04:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.09147","created_at":"2026-05-18T01:04:09Z"},{"alias_kind":"pith_short_12","alias_value":"IPPC7VCHCLYH","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IPPC7VCHCLYHC42O","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IPPC7VCH","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:IPPC7VCHCLYHC42OPKZ2DQNBPN","target":"record","payload":{"canonical_record":{"source":{"id":"1605.09147","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-30T09:11:03Z","cross_cats_sorted":[],"title_canon_sha256":"2f83b18a7b058624fc43e32589a45602efda3f7e61764b1fc100db1add3981c4","abstract_canon_sha256":"c792651e03a84e269ebfb6629ec47aa4d65c25c520c9aa925b583f2405f3726a"},"schema_version":"1.0"},"canonical_sha256":"43de2fd44712f071734e7ab3a1c1a17b4e2e368752748ce15aa57a6945e75a04","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:09.003539Z","signature_b64":"Aab1sZOgZ/0w6rCs3F0UbIo+cMq50NcuXr5ubl11cK6nmGVjLGI18BJsgHZ0Pcsaar73Z/86uvm0oWI6bhyIDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43de2fd44712f071734e7ab3a1c1a17b4e2e368752748ce15aa57a6945e75a04","last_reissued_at":"2026-05-18T01:04:09.003121Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:09.003121Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.09147","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":"2026-05-18T01:04:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QxyCn8Hc0VnUV2l5XZ6YzfCpcjsb4JQN2j52a6ZiFdFwUMAu349Aly+0uPVLu5oIZrElFbFbTgDQJTBSlz+/Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:19:02.008133Z"},"content_sha256":"d1d73570a8f2b2dad9a80a294b2f0610034ce7ebb89ca094b791579406aa35d7","schema_version":"1.0","event_id":"sha256:d1d73570a8f2b2dad9a80a294b2f0610034ce7ebb89ca094b791579406aa35d7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:IPPC7VCHCLYHC42OPKZ2DQNBPN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimal analysis of ultra broadband energy-time entanglement for high bit-rate dense wavelength division multiplexed quantum networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Bruno Fedrici, Djeylan Aktas, Florian Kaiser, Laurent Labont\\'e, S\\'ebastien Tanzilli, Tommaso Lunghi","submitted_at":"2016-05-30T09:11:03Z","abstract_excerpt":"We demonstrate an experimental method for measuring energy-time entanglement over almost 80 nm spectral bandwidth in a single shot with a quantum bit error rate below 0.5%. Our scheme is extremely cost-effective and efficient in terms of resources as it employs only one source of entangled photons and one fixed unbalanced interferometer per phase-coded analysis basis. We show that the maximum analysis spectral bandwidth is obtained when the analysis interferometers are properly unbalanced, a strategy which can be straightforwardly applied to most of today's experiments based on energy-time and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.09147","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":"2026-05-18T01:04:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R6bC6teN8Tp86BxB5VyQykLfECP7I+gPV8yA/eOYjNEIL2WjsP2Eesd0NJJcBmCp63BmgQ7TcTtnl5sdrwuQDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:19:02.008500Z"},"content_sha256":"ded37fe2ff69f34e1117b26f0b38ec5bd1977d2a871cf3405df29781634acb4d","schema_version":"1.0","event_id":"sha256:ded37fe2ff69f34e1117b26f0b38ec5bd1977d2a871cf3405df29781634acb4d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IPPC7VCHCLYHC42OPKZ2DQNBPN/bundle.json","state_url":"https://pith.science/pith/IPPC7VCHCLYHC42OPKZ2DQNBPN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IPPC7VCHCLYHC42OPKZ2DQNBPN/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":"2026-05-28T14:19:02Z","links":{"resolver":"https://pith.science/pith/IPPC7VCHCLYHC42OPKZ2DQNBPN","bundle":"https://pith.science/pith/IPPC7VCHCLYHC42OPKZ2DQNBPN/bundle.json","state":"https://pith.science/pith/IPPC7VCHCLYHC42OPKZ2DQNBPN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IPPC7VCHCLYHC42OPKZ2DQNBPN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:IPPC7VCHCLYHC42OPKZ2DQNBPN","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":"c792651e03a84e269ebfb6629ec47aa4d65c25c520c9aa925b583f2405f3726a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-30T09:11:03Z","title_canon_sha256":"2f83b18a7b058624fc43e32589a45602efda3f7e61764b1fc100db1add3981c4"},"schema_version":"1.0","source":{"id":"1605.09147","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.09147","created_at":"2026-05-18T01:04:09Z"},{"alias_kind":"arxiv_version","alias_value":"1605.09147v1","created_at":"2026-05-18T01:04:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.09147","created_at":"2026-05-18T01:04:09Z"},{"alias_kind":"pith_short_12","alias_value":"IPPC7VCHCLYH","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IPPC7VCHCLYHC42O","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IPPC7VCH","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:ded37fe2ff69f34e1117b26f0b38ec5bd1977d2a871cf3405df29781634acb4d","target":"graph","created_at":"2026-05-18T01:04:09Z","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 demonstrate an experimental method for measuring energy-time entanglement over almost 80 nm spectral bandwidth in a single shot with a quantum bit error rate below 0.5%. Our scheme is extremely cost-effective and efficient in terms of resources as it employs only one source of entangled photons and one fixed unbalanced interferometer per phase-coded analysis basis. We show that the maximum analysis spectral bandwidth is obtained when the analysis interferometers are properly unbalanced, a strategy which can be straightforwardly applied to most of today's experiments based on energy-time and","authors_text":"Bruno Fedrici, Djeylan Aktas, Florian Kaiser, Laurent Labont\\'e, S\\'ebastien Tanzilli, Tommaso Lunghi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-30T09:11:03Z","title":"Optimal analysis of ultra broadband energy-time entanglement for high bit-rate dense wavelength division multiplexed quantum networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.09147","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:d1d73570a8f2b2dad9a80a294b2f0610034ce7ebb89ca094b791579406aa35d7","target":"record","created_at":"2026-05-18T01:04:09Z","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":"c792651e03a84e269ebfb6629ec47aa4d65c25c520c9aa925b583f2405f3726a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-30T09:11:03Z","title_canon_sha256":"2f83b18a7b058624fc43e32589a45602efda3f7e61764b1fc100db1add3981c4"},"schema_version":"1.0","source":{"id":"1605.09147","kind":"arxiv","version":1}},"canonical_sha256":"43de2fd44712f071734e7ab3a1c1a17b4e2e368752748ce15aa57a6945e75a04","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"43de2fd44712f071734e7ab3a1c1a17b4e2e368752748ce15aa57a6945e75a04","first_computed_at":"2026-05-18T01:04:09.003121Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:09.003121Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Aab1sZOgZ/0w6rCs3F0UbIo+cMq50NcuXr5ubl11cK6nmGVjLGI18BJsgHZ0Pcsaar73Z/86uvm0oWI6bhyIDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:09.003539Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.09147","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d1d73570a8f2b2dad9a80a294b2f0610034ce7ebb89ca094b791579406aa35d7","sha256:ded37fe2ff69f34e1117b26f0b38ec5bd1977d2a871cf3405df29781634acb4d"],"state_sha256":"1f427e9048eaad8c279338d1e91e7b4013f8948cd0e405271815690a93337b92"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w8JrlVTwBZaawO29ZSTyc84vILkoco/g55V+f1bloGlEggqOW370KqZIc9EIonU1DaY5z5VnIHB92IyffmbnBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T14:19:02.010478Z","bundle_sha256":"b2d818805a3f7e64a11837a9ac14784d0b515066e16db3fcdf753c0b076d217b"}}