{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:IHPACQ6UAPKQOHUHTSTFQNPKTQ","short_pith_number":"pith:IHPACQ6U","canonical_record":{"source":{"id":"2404.14217","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-22T14:31:55Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"a8ad6ce9f7b5ffb5ec5fe768da579f0a1482d2c0e1967fe394225ad3e1f0698a","abstract_canon_sha256":"3437d1f16917fd6d94a99838d54e4147de505a191180f3c44f433b8466b9158f"},"schema_version":"1.0"},"canonical_sha256":"41de0143d403d5071e879ca65835ea9c35c4f2b66ba0cf0c017dccc1426ff4a6","source":{"kind":"arxiv","id":"2404.14217","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.14217","created_at":"2026-07-05T10:39:45Z"},{"alias_kind":"arxiv_version","alias_value":"2404.14217v4","created_at":"2026-07-05T10:39:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.14217","created_at":"2026-07-05T10:39:45Z"},{"alias_kind":"pith_short_12","alias_value":"IHPACQ6UAPKQ","created_at":"2026-07-05T10:39:45Z"},{"alias_kind":"pith_short_16","alias_value":"IHPACQ6UAPKQOHUH","created_at":"2026-07-05T10:39:45Z"},{"alias_kind":"pith_short_8","alias_value":"IHPACQ6U","created_at":"2026-07-05T10:39:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:IHPACQ6UAPKQOHUHTSTFQNPKTQ","target":"record","payload":{"canonical_record":{"source":{"id":"2404.14217","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-22T14:31:55Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"a8ad6ce9f7b5ffb5ec5fe768da579f0a1482d2c0e1967fe394225ad3e1f0698a","abstract_canon_sha256":"3437d1f16917fd6d94a99838d54e4147de505a191180f3c44f433b8466b9158f"},"schema_version":"1.0"},"canonical_sha256":"41de0143d403d5071e879ca65835ea9c35c4f2b66ba0cf0c017dccc1426ff4a6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:39:45.513224Z","signature_b64":"0bm7R6BgDyWBf0Nj9hVkNblftRxV1Sr3TyZKyPHNl/Bk0U5SZJMjuSIDqptz6NDf876Ln1helMbztSxknkSeDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41de0143d403d5071e879ca65835ea9c35c4f2b66ba0cf0c017dccc1426ff4a6","last_reissued_at":"2026-07-05T10:39:45.512651Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:39:45.512651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.14217","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:39:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JuL+cSi5ULT3Es5TJrwYjdG9iYeDCKg3ry0vFsh2n5ofe/ETAa/xk0Hy10FYSE4PEJQ/dIp5n2NvkzzN4BkCDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T08:34:56.925746Z"},"content_sha256":"5641b6f071761fa95f8dc48a85664c3f1a8cdb8a86be2bf9c5d3f2cabfeb228d","schema_version":"1.0","event_id":"sha256:5641b6f071761fa95f8dc48a85664c3f1a8cdb8a86be2bf9c5d3f2cabfeb228d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:IHPACQ6UAPKQOHUHTSTFQNPKTQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"General protocols for the efficient distillation of indistinguishable photons","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Eleanor G. Rieffel, Jason Saied, Jeffrey Marshall, Namit Anand","submitted_at":"2024-04-22T14:31:55Z","abstract_excerpt":"We introduce state-of-the-art protocols to distill indistinguishable photons, reducing distinguishability error rates by a factor of $n$, while using a modest amount of resources scaling only linearly in $n$. Our resource requirements are both significantly lower and have fewer hardware requirements than previous works, making large-scale distillation experimentally feasible for the first time. This efficient reduction of distinguishability error rates has direct applications to fault-tolerant linear optical quantum computation, potentially leading to improved thresholds for photon loss errors"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.14217","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2404.14217/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:39:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TqRJEQDjjopvM8zZ1gEEwQZ7fOsdr+m3vKAjxrCYVhdaGb2t56D8XYHXb5pSPjCz6Iyd/L0hjBJM4apX2t28BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T08:34:56.926561Z"},"content_sha256":"9db8e829dd713561c4bb53f680d61d41c8447c436fd662ce89a5ae04fa45aac8","schema_version":"1.0","event_id":"sha256:9db8e829dd713561c4bb53f680d61d41c8447c436fd662ce89a5ae04fa45aac8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IHPACQ6UAPKQOHUHTSTFQNPKTQ/bundle.json","state_url":"https://pith.science/pith/IHPACQ6UAPKQOHUHTSTFQNPKTQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IHPACQ6UAPKQOHUHTSTFQNPKTQ/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":"2026-08-04T08:34:56Z","links":{"resolver":"https://pith.science/pith/IHPACQ6UAPKQOHUHTSTFQNPKTQ","bundle":"https://pith.science/pith/IHPACQ6UAPKQOHUHTSTFQNPKTQ/bundle.json","state":"https://pith.science/pith/IHPACQ6UAPKQOHUHTSTFQNPKTQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IHPACQ6UAPKQOHUHTSTFQNPKTQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:IHPACQ6UAPKQOHUHTSTFQNPKTQ","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":"3437d1f16917fd6d94a99838d54e4147de505a191180f3c44f433b8466b9158f","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-22T14:31:55Z","title_canon_sha256":"a8ad6ce9f7b5ffb5ec5fe768da579f0a1482d2c0e1967fe394225ad3e1f0698a"},"schema_version":"1.0","source":{"id":"2404.14217","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.14217","created_at":"2026-07-05T10:39:45Z"},{"alias_kind":"arxiv_version","alias_value":"2404.14217v4","created_at":"2026-07-05T10:39:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.14217","created_at":"2026-07-05T10:39:45Z"},{"alias_kind":"pith_short_12","alias_value":"IHPACQ6UAPKQ","created_at":"2026-07-05T10:39:45Z"},{"alias_kind":"pith_short_16","alias_value":"IHPACQ6UAPKQOHUH","created_at":"2026-07-05T10:39:45Z"},{"alias_kind":"pith_short_8","alias_value":"IHPACQ6U","created_at":"2026-07-05T10:39:45Z"}],"graph_snapshots":[{"event_id":"sha256:9db8e829dd713561c4bb53f680d61d41c8447c436fd662ce89a5ae04fa45aac8","target":"graph","created_at":"2026-07-05T10:39:45Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2404.14217/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce state-of-the-art protocols to distill indistinguishable photons, reducing distinguishability error rates by a factor of $n$, while using a modest amount of resources scaling only linearly in $n$. Our resource requirements are both significantly lower and have fewer hardware requirements than previous works, making large-scale distillation experimentally feasible for the first time. This efficient reduction of distinguishability error rates has direct applications to fault-tolerant linear optical quantum computation, potentially leading to improved thresholds for photon loss errors","authors_text":"Eleanor G. Rieffel, Jason Saied, Jeffrey Marshall, Namit Anand","cross_cats":["physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-22T14:31:55Z","title":"General protocols for the efficient distillation of indistinguishable photons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.14217","kind":"arxiv","version":4},"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":"sha256:5641b6f071761fa95f8dc48a85664c3f1a8cdb8a86be2bf9c5d3f2cabfeb228d","target":"record","created_at":"2026-07-05T10:39:45Z","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":"3437d1f16917fd6d94a99838d54e4147de505a191180f3c44f433b8466b9158f","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-04-22T14:31:55Z","title_canon_sha256":"a8ad6ce9f7b5ffb5ec5fe768da579f0a1482d2c0e1967fe394225ad3e1f0698a"},"schema_version":"1.0","source":{"id":"2404.14217","kind":"arxiv","version":4}},"canonical_sha256":"41de0143d403d5071e879ca65835ea9c35c4f2b66ba0cf0c017dccc1426ff4a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"41de0143d403d5071e879ca65835ea9c35c4f2b66ba0cf0c017dccc1426ff4a6","first_computed_at":"2026-07-05T10:39:45.512651Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:39:45.512651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0bm7R6BgDyWBf0Nj9hVkNblftRxV1Sr3TyZKyPHNl/Bk0U5SZJMjuSIDqptz6NDf876Ln1helMbztSxknkSeDg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:39:45.513224Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.14217","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5641b6f071761fa95f8dc48a85664c3f1a8cdb8a86be2bf9c5d3f2cabfeb228d","sha256:9db8e829dd713561c4bb53f680d61d41c8447c436fd662ce89a5ae04fa45aac8"],"state_sha256":"0031d9249cbd90b15c0b30b7f399d761753a78360195045ee58f036c07a5795f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pCKfD4Zrnt83kdLUWC0jskcFJyZ/SiT40ZMRNIM3QTiVpze7bmDXdQ3R/dnXlNd+c2Jrh3+JICHCbgJp+5LHCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T08:34:56.931765Z","bundle_sha256":"14b69782153a694120ccf350f579b680a78b2dc655bfc49b4c0dd6d19b2e7200"}}