{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:NA7T5WBUOOWERY6OQCT6JR4JHT","short_pith_number":"pith:NA7T5WBU","canonical_record":{"source":{"id":"1605.00640","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-02T19:57:15Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"71a284df8ae00fa30f03692291b41344b43539822c418a3ac9f118eb54615220","abstract_canon_sha256":"dc2248fbc8f6094c5085fca348d544f2249c0d3781cdf8e786dbebbd971fcfb2"},"schema_version":"1.0"},"canonical_sha256":"683f3ed83473ac48e3ce80a7e4c7893cc218166a74dcf7e56da7f178e4bc1e6c","source":{"kind":"arxiv","id":"1605.00640","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.00640","created_at":"2026-05-18T00:53:08Z"},{"alias_kind":"arxiv_version","alias_value":"1605.00640v2","created_at":"2026-05-18T00:53:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.00640","created_at":"2026-05-18T00:53:08Z"},{"alias_kind":"pith_short_12","alias_value":"NA7T5WBUOOWE","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NA7T5WBUOOWERY6O","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NA7T5WBU","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:NA7T5WBUOOWERY6OQCT6JR4JHT","target":"record","payload":{"canonical_record":{"source":{"id":"1605.00640","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-02T19:57:15Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"71a284df8ae00fa30f03692291b41344b43539822c418a3ac9f118eb54615220","abstract_canon_sha256":"dc2248fbc8f6094c5085fca348d544f2249c0d3781cdf8e786dbebbd971fcfb2"},"schema_version":"1.0"},"canonical_sha256":"683f3ed83473ac48e3ce80a7e4c7893cc218166a74dcf7e56da7f178e4bc1e6c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:08.258478Z","signature_b64":"eQsnBtFOF/1EP5dnbbKTR7gsqRLRyss5M26KuNjou4LghzM6WE/zTaSPcMvpJVsDiyGg8s2dFGd1p2gJLQ7WCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"683f3ed83473ac48e3ce80a7e4c7893cc218166a74dcf7e56da7f178e4bc1e6c","last_reissued_at":"2026-05-18T00:53:08.258023Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:08.258023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.00640","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:53:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/fPM7DeUDReRYXBC5EunKWX1fLFBwJ5XrLkBeVACCMDLT2ueyHdtksLiUdpSgwJ4Oaj7FU2z+iut2yLBvt27DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T20:59:14.585628Z"},"content_sha256":"f6fe8506c80e02f8673678750e08fe6ffed6f9c7831e2973aa316a01519817b2","schema_version":"1.0","event_id":"sha256:f6fe8506c80e02f8673678750e08fe6ffed6f9c7831e2973aa316a01519817b2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:NA7T5WBUOOWERY6OQCT6JR4JHT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectral shearing of quantum light pulses by electro-optic phase modulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Brian J. Smith, Christoph Soeller, Laura J. Wright, Michal Karpinski","submitted_at":"2016-05-02T19:57:15Z","abstract_excerpt":"Frequency conversion of non-classical light enables robust encoding of quantum information based upon spectral multiplexing that is particularly well-suited to integrated-optics platforms. Here we present an intrinsically deterministic linear-optics approach to spectral shearing of quantum light pulses and show it preserves the wave-packet coherence and quantum nature of light. The technique is based upon an electro-optic Doppler shift to implement frequency shear of heralded single-photon wave packets by $\\pm 200$ GHz, which can be scaled to an arbitrary shift. These results demonstrate a rec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.00640","kind":"arxiv","version":2},"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":"2026-05-18T00:53:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FteTqttLpFq3fig1Tc+s5hEJl3XyqPQ3Nbt16GqE87WbnX6B9Z6CdZeztNRXF0WTiyTrAuig5O0xzZq37RloBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T20:59:14.586472Z"},"content_sha256":"d3501f8253133349907ef5105796243f5fc95de7285fb65a7d7db4fff5db8b05","schema_version":"1.0","event_id":"sha256:d3501f8253133349907ef5105796243f5fc95de7285fb65a7d7db4fff5db8b05"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NA7T5WBUOOWERY6OQCT6JR4JHT/bundle.json","state_url":"https://pith.science/pith/NA7T5WBUOOWERY6OQCT6JR4JHT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NA7T5WBUOOWERY6OQCT6JR4JHT/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":"2026-05-24T20:59:14Z","links":{"resolver":"https://pith.science/pith/NA7T5WBUOOWERY6OQCT6JR4JHT","bundle":"https://pith.science/pith/NA7T5WBUOOWERY6OQCT6JR4JHT/bundle.json","state":"https://pith.science/pith/NA7T5WBUOOWERY6OQCT6JR4JHT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NA7T5WBUOOWERY6OQCT6JR4JHT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:NA7T5WBUOOWERY6OQCT6JR4JHT","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":"dc2248fbc8f6094c5085fca348d544f2249c0d3781cdf8e786dbebbd971fcfb2","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-02T19:57:15Z","title_canon_sha256":"71a284df8ae00fa30f03692291b41344b43539822c418a3ac9f118eb54615220"},"schema_version":"1.0","source":{"id":"1605.00640","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.00640","created_at":"2026-05-18T00:53:08Z"},{"alias_kind":"arxiv_version","alias_value":"1605.00640v2","created_at":"2026-05-18T00:53:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.00640","created_at":"2026-05-18T00:53:08Z"},{"alias_kind":"pith_short_12","alias_value":"NA7T5WBUOOWE","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NA7T5WBUOOWERY6O","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NA7T5WBU","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:d3501f8253133349907ef5105796243f5fc95de7285fb65a7d7db4fff5db8b05","target":"graph","created_at":"2026-05-18T00:53:08Z","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":"Frequency conversion of non-classical light enables robust encoding of quantum information based upon spectral multiplexing that is particularly well-suited to integrated-optics platforms. Here we present an intrinsically deterministic linear-optics approach to spectral shearing of quantum light pulses and show it preserves the wave-packet coherence and quantum nature of light. The technique is based upon an electro-optic Doppler shift to implement frequency shear of heralded single-photon wave packets by $\\pm 200$ GHz, which can be scaled to an arbitrary shift. These results demonstrate a rec","authors_text":"Brian J. Smith, Christoph Soeller, Laura J. Wright, Michal Karpinski","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-02T19:57:15Z","title":"Spectral shearing of quantum light pulses by electro-optic phase modulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.00640","kind":"arxiv","version":2},"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:f6fe8506c80e02f8673678750e08fe6ffed6f9c7831e2973aa316a01519817b2","target":"record","created_at":"2026-05-18T00:53:08Z","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":"dc2248fbc8f6094c5085fca348d544f2249c0d3781cdf8e786dbebbd971fcfb2","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-02T19:57:15Z","title_canon_sha256":"71a284df8ae00fa30f03692291b41344b43539822c418a3ac9f118eb54615220"},"schema_version":"1.0","source":{"id":"1605.00640","kind":"arxiv","version":2}},"canonical_sha256":"683f3ed83473ac48e3ce80a7e4c7893cc218166a74dcf7e56da7f178e4bc1e6c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"683f3ed83473ac48e3ce80a7e4c7893cc218166a74dcf7e56da7f178e4bc1e6c","first_computed_at":"2026-05-18T00:53:08.258023Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:08.258023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eQsnBtFOF/1EP5dnbbKTR7gsqRLRyss5M26KuNjou4LghzM6WE/zTaSPcMvpJVsDiyGg8s2dFGd1p2gJLQ7WCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:08.258478Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.00640","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f6fe8506c80e02f8673678750e08fe6ffed6f9c7831e2973aa316a01519817b2","sha256:d3501f8253133349907ef5105796243f5fc95de7285fb65a7d7db4fff5db8b05"],"state_sha256":"e0a375373449e554ca6ad651ee0a12634f2b0e5d4d9ecd0fc52ca6d1766d1621"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dc9/0gBgj2CjFASkmDYsHRm3vHVoJJiF6Na0QSQ2Ad+4gbye1SmIOy2QVJEyOtwizvGsg8jB0nH3xYFQs0Z/BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T20:59:14.590500Z","bundle_sha256":"997676c45fea44aac43d46e126a88feb9e2cdf018f9aab28c7d74499e1258af1"}}