{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:SZJ3HUE2O5U45Q24PJEPYB5XWI","short_pith_number":"pith:SZJ3HUE2","canonical_record":{"source":{"id":"1005.2878","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-05-17T11:02:26Z","cross_cats_sorted":[],"title_canon_sha256":"12742af3761165e89603054eb753c052d534c8383930183b93b2ef30f6ee476a","abstract_canon_sha256":"4d0bb3f45f38ca91b014e0a195feeec327e64d9ac7a113f17782bdbcece1169b"},"schema_version":"1.0"},"canonical_sha256":"9653b3d09a7769cec35c7a48fc07b7b23747645ad6fc06c0954c5a5e0811d1ad","source":{"kind":"arxiv","id":"1005.2878","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.2878","created_at":"2026-05-18T02:23:59Z"},{"alias_kind":"arxiv_version","alias_value":"1005.2878v2","created_at":"2026-05-18T02:23:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.2878","created_at":"2026-05-18T02:23:59Z"},{"alias_kind":"pith_short_12","alias_value":"SZJ3HUE2O5U4","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"SZJ3HUE2O5U45Q24","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"SZJ3HUE2","created_at":"2026-05-18T12:26:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:SZJ3HUE2O5U45Q24PJEPYB5XWI","target":"record","payload":{"canonical_record":{"source":{"id":"1005.2878","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-05-17T11:02:26Z","cross_cats_sorted":[],"title_canon_sha256":"12742af3761165e89603054eb753c052d534c8383930183b93b2ef30f6ee476a","abstract_canon_sha256":"4d0bb3f45f38ca91b014e0a195feeec327e64d9ac7a113f17782bdbcece1169b"},"schema_version":"1.0"},"canonical_sha256":"9653b3d09a7769cec35c7a48fc07b7b23747645ad6fc06c0954c5a5e0811d1ad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:23:59.305253Z","signature_b64":"LGE3qW/DeTrnxpnt97BpJMj32S6Fofy3HqTxm1YqqA1NOeG1uvHNLCuf5yo4Aggg7LOWlJPZERX/kvTmv4feCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9653b3d09a7769cec35c7a48fc07b7b23747645ad6fc06c0954c5a5e0811d1ad","last_reissued_at":"2026-05-18T02:23:59.304611Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:23:59.304611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1005.2878","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":"2026-05-18T02:23:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ebkr/yAQFC2Prw+Dxm6df0fFFeWS3wicy1lw6voSabLJGIx8VSOrbNIjErPMAEVeXnyEnmf36VW26zr2tF7RCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:35:30.669761Z"},"content_sha256":"3b0d22af6e0ee80138a8d59aee97eb4b251901e9a00abd8429e3bad388298347","schema_version":"1.0","event_id":"sha256:3b0d22af6e0ee80138a8d59aee97eb4b251901e9a00abd8429e3bad388298347"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:SZJ3HUE2O5U45Q24PJEPYB5XWI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Memory effects in attenuation and amplification quantum processes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Cosmo Lupo, Stefano Mancini, Vittorio Giovannetti","submitted_at":"2010-05-17T11:02:26Z","abstract_excerpt":"With increasing communication rates via quantum channels, memory effects become unavoidable whenever the use rate of the channel is comparable to the typical relaxation time of the channel environment. We introduce a model of a bosonic memory channel, describing correlated noise effects in quantum-optical processes via attenuating or amplifying media. To study such a channel model, we make use of a proper set of collective field variables, which allows us to unravel the memory effects, mapping the n-fold concatenation of the memory channel to a unitarily equivalent, direct product of n single-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.2878","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":"2026-05-18T02:23:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fii5/j0g65jd63Y+qZiWWhL1EO//34bWIxl9oY+eak9kjxOwG0OXH2s4QhqLZCG6YE2rhl2x6HGUg6mYlfRSCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:35:30.670240Z"},"content_sha256":"b2d92f03230cdef7fdcadb63a8aadcc784ec08018e093c4513009aa890f04185","schema_version":"1.0","event_id":"sha256:b2d92f03230cdef7fdcadb63a8aadcc784ec08018e093c4513009aa890f04185"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SZJ3HUE2O5U45Q24PJEPYB5XWI/bundle.json","state_url":"https://pith.science/pith/SZJ3HUE2O5U45Q24PJEPYB5XWI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SZJ3HUE2O5U45Q24PJEPYB5XWI/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":"2026-05-27T16:35:30Z","links":{"resolver":"https://pith.science/pith/SZJ3HUE2O5U45Q24PJEPYB5XWI","bundle":"https://pith.science/pith/SZJ3HUE2O5U45Q24PJEPYB5XWI/bundle.json","state":"https://pith.science/pith/SZJ3HUE2O5U45Q24PJEPYB5XWI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SZJ3HUE2O5U45Q24PJEPYB5XWI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:SZJ3HUE2O5U45Q24PJEPYB5XWI","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":"4d0bb3f45f38ca91b014e0a195feeec327e64d9ac7a113f17782bdbcece1169b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-05-17T11:02:26Z","title_canon_sha256":"12742af3761165e89603054eb753c052d534c8383930183b93b2ef30f6ee476a"},"schema_version":"1.0","source":{"id":"1005.2878","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.2878","created_at":"2026-05-18T02:23:59Z"},{"alias_kind":"arxiv_version","alias_value":"1005.2878v2","created_at":"2026-05-18T02:23:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.2878","created_at":"2026-05-18T02:23:59Z"},{"alias_kind":"pith_short_12","alias_value":"SZJ3HUE2O5U4","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"SZJ3HUE2O5U45Q24","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"SZJ3HUE2","created_at":"2026-05-18T12:26:13Z"}],"graph_snapshots":[{"event_id":"sha256:b2d92f03230cdef7fdcadb63a8aadcc784ec08018e093c4513009aa890f04185","target":"graph","created_at":"2026-05-18T02:23:59Z","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":"With increasing communication rates via quantum channels, memory effects become unavoidable whenever the use rate of the channel is comparable to the typical relaxation time of the channel environment. We introduce a model of a bosonic memory channel, describing correlated noise effects in quantum-optical processes via attenuating or amplifying media. To study such a channel model, we make use of a proper set of collective field variables, which allows us to unravel the memory effects, mapping the n-fold concatenation of the memory channel to a unitarily equivalent, direct product of n single-","authors_text":"Cosmo Lupo, Stefano Mancini, Vittorio Giovannetti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-05-17T11:02:26Z","title":"Memory effects in attenuation and amplification quantum processes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.2878","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":"sha256:3b0d22af6e0ee80138a8d59aee97eb4b251901e9a00abd8429e3bad388298347","target":"record","created_at":"2026-05-18T02:23:59Z","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":"4d0bb3f45f38ca91b014e0a195feeec327e64d9ac7a113f17782bdbcece1169b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-05-17T11:02:26Z","title_canon_sha256":"12742af3761165e89603054eb753c052d534c8383930183b93b2ef30f6ee476a"},"schema_version":"1.0","source":{"id":"1005.2878","kind":"arxiv","version":2}},"canonical_sha256":"9653b3d09a7769cec35c7a48fc07b7b23747645ad6fc06c0954c5a5e0811d1ad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9653b3d09a7769cec35c7a48fc07b7b23747645ad6fc06c0954c5a5e0811d1ad","first_computed_at":"2026-05-18T02:23:59.304611Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:23:59.304611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LGE3qW/DeTrnxpnt97BpJMj32S6Fofy3HqTxm1YqqA1NOeG1uvHNLCuf5yo4Aggg7LOWlJPZERX/kvTmv4feCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:23:59.305253Z","signed_message":"canonical_sha256_bytes"},"source_id":"1005.2878","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b0d22af6e0ee80138a8d59aee97eb4b251901e9a00abd8429e3bad388298347","sha256:b2d92f03230cdef7fdcadb63a8aadcc784ec08018e093c4513009aa890f04185"],"state_sha256":"6341d6449c081fb9ae0693b4824726a1c12eee24f1674e3f267105cf7f6d20c0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z6y0e1gvFB7Lfw+uAr2X2Xi95YRKU2lhHDEHCgPzja+Qu73kPL2cY5ap4k7yrwOcUdg6BfpMhtZvCLUdOXn/Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T16:35:30.673119Z","bundle_sha256":"c3bf0a66db095f0c2d61ffb6faf622e4476d6c076caf7d2916751dc4ced3cc41"}}