{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:UZ6AMJSJMFVXQY2GZST2TV7UUQ","short_pith_number":"pith:UZ6AMJSJ","canonical_record":{"source":{"id":"quant-ph/0312211","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2003-12-29T16:24:59Z","cross_cats_sorted":[],"title_canon_sha256":"ad2c26775a4d9915e8bf63034a587b5f243dad48443e1018068fe7da32e7bedf","abstract_canon_sha256":"3c470a4135e3a2a7d598f9e0c491383783ca723b4bb3905bc2c37c004981d5eb"},"schema_version":"1.0"},"canonical_sha256":"a67c062649616b786346cca7a9d7f4a40f4fbe879cdc182d0b885d233c1382eb","source":{"kind":"arxiv","id":"quant-ph/0312211","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0312211","created_at":"2026-05-18T01:05:03Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0312211v2","created_at":"2026-05-18T01:05:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0312211","created_at":"2026-05-18T01:05:03Z"},{"alias_kind":"pith_short_12","alias_value":"UZ6AMJSJMFVX","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"UZ6AMJSJMFVXQY2G","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"UZ6AMJSJ","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:UZ6AMJSJMFVXQY2GZST2TV7UUQ","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0312211","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2003-12-29T16:24:59Z","cross_cats_sorted":[],"title_canon_sha256":"ad2c26775a4d9915e8bf63034a587b5f243dad48443e1018068fe7da32e7bedf","abstract_canon_sha256":"3c470a4135e3a2a7d598f9e0c491383783ca723b4bb3905bc2c37c004981d5eb"},"schema_version":"1.0"},"canonical_sha256":"a67c062649616b786346cca7a9d7f4a40f4fbe879cdc182d0b885d233c1382eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:05:03.715500Z","signature_b64":"BLnTJZl7sPZFuYz89vvdsH61znnee26okkeH5EkhCSxu/0jNieSvnVpfGEbaf7AuxSJvtLFic1tE+6PbycduBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a67c062649616b786346cca7a9d7f4a40f4fbe879cdc182d0b885d233c1382eb","last_reissued_at":"2026-05-18T01:05:03.714750Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:05:03.714750Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0312211","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":"2026-05-18T01:05:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1oAKObTSZL1NEp2xBGMA9f/UV5DffoCtiKPZTpN9ztXX4Z4PsodphT1Ze6cGikyuNkPJe3HvjYOOpwIIH2f/Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:49:01.065433Z"},"content_sha256":"f9e2dd2bcfe5bae31946e18eff8648d96b59d1e771cd8ee9abf7c3ac9c289ee6","schema_version":"1.0","event_id":"sha256:f9e2dd2bcfe5bae31946e18eff8648d96b59d1e771cd8ee9abf7c3ac9c289ee6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:UZ6AMJSJMFVXQY2GZST2TV7UUQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Conditioned Unitary Transformation on biphotons","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"G. Brida, L. Krivitsky, M. Chekhova, M. Genovese, M. Gramegna, S. Kulik","submitted_at":"2003-12-29T16:24:59Z","abstract_excerpt":"A conditioned unitary transformation ($90^o$ polarization rotation) is performed at single-photon level. The transformation is realized by rotating polarization for one of the photons of a polarization-entangled biphoton state (signal photon) by means of a Pockel's cell triggered by the detection of the other (idler) photon after polarization selection. As a result, polarization degree for the signal beam changes from zero to the value given by the idler detector quantum efficiency. This result is relevant to practical realization of various quantum information schemes and can be used for deve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0312211","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":"2026-05-18T01:05:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BxgzRcL+ihPcbUulhyKqCnSPsXMxgVfnUgdjtC7lyDzpQSiWxBjf1okoFcg2R7MwrT9NYEW/CogwDmWqU/VAAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:49:01.065813Z"},"content_sha256":"4cd2e6793d87638f81aa91fedaaaec26d988cccb032daef9f52090d5af8e8bdd","schema_version":"1.0","event_id":"sha256:4cd2e6793d87638f81aa91fedaaaec26d988cccb032daef9f52090d5af8e8bdd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UZ6AMJSJMFVXQY2GZST2TV7UUQ/bundle.json","state_url":"https://pith.science/pith/UZ6AMJSJMFVXQY2GZST2TV7UUQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UZ6AMJSJMFVXQY2GZST2TV7UUQ/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":"2026-06-02T07:49:01Z","links":{"resolver":"https://pith.science/pith/UZ6AMJSJMFVXQY2GZST2TV7UUQ","bundle":"https://pith.science/pith/UZ6AMJSJMFVXQY2GZST2TV7UUQ/bundle.json","state":"https://pith.science/pith/UZ6AMJSJMFVXQY2GZST2TV7UUQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UZ6AMJSJMFVXQY2GZST2TV7UUQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:UZ6AMJSJMFVXQY2GZST2TV7UUQ","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":"3c470a4135e3a2a7d598f9e0c491383783ca723b4bb3905bc2c37c004981d5eb","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2003-12-29T16:24:59Z","title_canon_sha256":"ad2c26775a4d9915e8bf63034a587b5f243dad48443e1018068fe7da32e7bedf"},"schema_version":"1.0","source":{"id":"quant-ph/0312211","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0312211","created_at":"2026-05-18T01:05:03Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0312211v2","created_at":"2026-05-18T01:05:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0312211","created_at":"2026-05-18T01:05:03Z"},{"alias_kind":"pith_short_12","alias_value":"UZ6AMJSJMFVX","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"UZ6AMJSJMFVXQY2G","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"UZ6AMJSJ","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:4cd2e6793d87638f81aa91fedaaaec26d988cccb032daef9f52090d5af8e8bdd","target":"graph","created_at":"2026-05-18T01:05:03Z","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":"A conditioned unitary transformation ($90^o$ polarization rotation) is performed at single-photon level. The transformation is realized by rotating polarization for one of the photons of a polarization-entangled biphoton state (signal photon) by means of a Pockel's cell triggered by the detection of the other (idler) photon after polarization selection. As a result, polarization degree for the signal beam changes from zero to the value given by the idler detector quantum efficiency. This result is relevant to practical realization of various quantum information schemes and can be used for deve","authors_text":"G. Brida, L. Krivitsky, M. Chekhova, M. Genovese, M. Gramegna, S. Kulik","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2003-12-29T16:24:59Z","title":"Conditioned Unitary Transformation on biphotons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0312211","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:f9e2dd2bcfe5bae31946e18eff8648d96b59d1e771cd8ee9abf7c3ac9c289ee6","target":"record","created_at":"2026-05-18T01:05:03Z","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":"3c470a4135e3a2a7d598f9e0c491383783ca723b4bb3905bc2c37c004981d5eb","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2003-12-29T16:24:59Z","title_canon_sha256":"ad2c26775a4d9915e8bf63034a587b5f243dad48443e1018068fe7da32e7bedf"},"schema_version":"1.0","source":{"id":"quant-ph/0312211","kind":"arxiv","version":2}},"canonical_sha256":"a67c062649616b786346cca7a9d7f4a40f4fbe879cdc182d0b885d233c1382eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a67c062649616b786346cca7a9d7f4a40f4fbe879cdc182d0b885d233c1382eb","first_computed_at":"2026-05-18T01:05:03.714750Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:05:03.714750Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BLnTJZl7sPZFuYz89vvdsH61znnee26okkeH5EkhCSxu/0jNieSvnVpfGEbaf7AuxSJvtLFic1tE+6PbycduBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:05:03.715500Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0312211","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f9e2dd2bcfe5bae31946e18eff8648d96b59d1e771cd8ee9abf7c3ac9c289ee6","sha256:4cd2e6793d87638f81aa91fedaaaec26d988cccb032daef9f52090d5af8e8bdd"],"state_sha256":"70573a1e120b71258ed9e19b3e9e174e297cc1b72c084742d3776bd77ee731d1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zUpM4YuWRCkAykzDZHXfoI8z8FOP/7moXbSCkBl7HHBp61YveM8cOGB1ARestAy4jAJ1NJkiD9vZROpEEUJYBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T07:49:01.067833Z","bundle_sha256":"e6504432c5c27479397e5a2493e34ac23d294d91c5039213116715d49e445dcc"}}