{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:JZNV2X43KPHBWZNWFCKIGXV3PB","short_pith_number":"pith:JZNV2X43","canonical_record":{"source":{"id":"2205.01122","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-05-02T18:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"fcee1656150023e814897c544eae641500e6b5599cbfb1e73b6ed51decf9c197","abstract_canon_sha256":"33ae1d1cf84f5035b5a061e6171cbdea5bb774afdb8b9e734fafe9f21cd09a5f"},"schema_version":"1.0"},"canonical_sha256":"4e5b5d5f9b53ce1b65b62894835ebb786fe3d6a2593b32d2bd9b493cf024340d","source":{"kind":"arxiv","id":"2205.01122","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.01122","created_at":"2026-07-05T06:13:15Z"},{"alias_kind":"arxiv_version","alias_value":"2205.01122v1","created_at":"2026-07-05T06:13:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.01122","created_at":"2026-07-05T06:13:15Z"},{"alias_kind":"pith_short_12","alias_value":"JZNV2X43KPHB","created_at":"2026-07-05T06:13:15Z"},{"alias_kind":"pith_short_16","alias_value":"JZNV2X43KPHBWZNW","created_at":"2026-07-05T06:13:15Z"},{"alias_kind":"pith_short_8","alias_value":"JZNV2X43","created_at":"2026-07-05T06:13:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:JZNV2X43KPHBWZNWFCKIGXV3PB","target":"record","payload":{"canonical_record":{"source":{"id":"2205.01122","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-05-02T18:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"fcee1656150023e814897c544eae641500e6b5599cbfb1e73b6ed51decf9c197","abstract_canon_sha256":"33ae1d1cf84f5035b5a061e6171cbdea5bb774afdb8b9e734fafe9f21cd09a5f"},"schema_version":"1.0"},"canonical_sha256":"4e5b5d5f9b53ce1b65b62894835ebb786fe3d6a2593b32d2bd9b493cf024340d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:13:15.232909Z","signature_b64":"RX/sqwrlZ/9WGSiH26IeUj2pmsBW+p2TiECSqETgvcZEbg4C2GiEcUC/iZ8FJLAq9IU2r0m1NXkOJxqZqMSwAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e5b5d5f9b53ce1b65b62894835ebb786fe3d6a2593b32d2bd9b493cf024340d","last_reissued_at":"2026-07-05T06:13:15.232407Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:13:15.232407Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.01122","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":"2026-07-05T06:13:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PukNSPOUmAZKz/VhDXlKqAl+rbFT4/YjLDdv5UhpkyM/r4H2YDQ5pfbUW2FLq/nTDYLA4tFLroG073r/8qoXDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:30:51.206563Z"},"content_sha256":"d4557dbddf86ef26ebb592aa1ce3ae0ef1947b369ac7b136166bda0fe5b816f3","schema_version":"1.0","event_id":"sha256:d4557dbddf86ef26ebb592aa1ce3ae0ef1947b369ac7b136166bda0fe5b816f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:JZNV2X43KPHBWZNWFCKIGXV3PB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Demonstration of universal time-reversal for quantum processes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ben Dive, David Trillo, Miguel Navascu\\'es, Peter Schiansky, Philip Walther, Teodor Str\\\"omberg, Valeria Saggio","submitted_at":"2022-05-02T18:00:04Z","abstract_excerpt":"Although the laws of classical physics are deterministic, thermodynamics gives rise to an arrow of time through irreversible processes. In quantum mechanics the unitary nature of the time evolution makes it intrinsically reversible, however the question of how to revert an unknown time evolution nevertheless remains. Remarkably, there have been several recent demonstrations of protocols for reverting unknown unitaries in scenarios where even the interactions with the target system are unknown. The practical use of these universal rewinding protocols is limited by their probabilistic nature, ra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.01122","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2205.01122/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":"2026-07-05T06:13:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JODB2wkt5zxnSzJPAlZWKJlTBlN74OPD5EpEKzRdiWVMoB+8mssNjnGwCdVnjSMYxIFvI6Z6xosHq+cY78JIDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:30:51.207047Z"},"content_sha256":"f8b20d6fa8cc1cb81a5483a5abebc6ae64a6d041972a7e09b412c76a11131ed5","schema_version":"1.0","event_id":"sha256:f8b20d6fa8cc1cb81a5483a5abebc6ae64a6d041972a7e09b412c76a11131ed5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JZNV2X43KPHBWZNWFCKIGXV3PB/bundle.json","state_url":"https://pith.science/pith/JZNV2X43KPHBWZNWFCKIGXV3PB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JZNV2X43KPHBWZNWFCKIGXV3PB/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":"2026-08-03T16:30:51Z","links":{"resolver":"https://pith.science/pith/JZNV2X43KPHBWZNWFCKIGXV3PB","bundle":"https://pith.science/pith/JZNV2X43KPHBWZNWFCKIGXV3PB/bundle.json","state":"https://pith.science/pith/JZNV2X43KPHBWZNWFCKIGXV3PB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JZNV2X43KPHBWZNWFCKIGXV3PB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:JZNV2X43KPHBWZNWFCKIGXV3PB","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":"33ae1d1cf84f5035b5a061e6171cbdea5bb774afdb8b9e734fafe9f21cd09a5f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-05-02T18:00:04Z","title_canon_sha256":"fcee1656150023e814897c544eae641500e6b5599cbfb1e73b6ed51decf9c197"},"schema_version":"1.0","source":{"id":"2205.01122","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.01122","created_at":"2026-07-05T06:13:15Z"},{"alias_kind":"arxiv_version","alias_value":"2205.01122v1","created_at":"2026-07-05T06:13:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.01122","created_at":"2026-07-05T06:13:15Z"},{"alias_kind":"pith_short_12","alias_value":"JZNV2X43KPHB","created_at":"2026-07-05T06:13:15Z"},{"alias_kind":"pith_short_16","alias_value":"JZNV2X43KPHBWZNW","created_at":"2026-07-05T06:13:15Z"},{"alias_kind":"pith_short_8","alias_value":"JZNV2X43","created_at":"2026-07-05T06:13:15Z"}],"graph_snapshots":[{"event_id":"sha256:f8b20d6fa8cc1cb81a5483a5abebc6ae64a6d041972a7e09b412c76a11131ed5","target":"graph","created_at":"2026-07-05T06:13:15Z","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/2205.01122/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Although the laws of classical physics are deterministic, thermodynamics gives rise to an arrow of time through irreversible processes. In quantum mechanics the unitary nature of the time evolution makes it intrinsically reversible, however the question of how to revert an unknown time evolution nevertheless remains. Remarkably, there have been several recent demonstrations of protocols for reverting unknown unitaries in scenarios where even the interactions with the target system are unknown. The practical use of these universal rewinding protocols is limited by their probabilistic nature, ra","authors_text":"Ben Dive, David Trillo, Miguel Navascu\\'es, Peter Schiansky, Philip Walther, Teodor Str\\\"omberg, Valeria Saggio","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-05-02T18:00:04Z","title":"Demonstration of universal time-reversal for quantum processes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.01122","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:d4557dbddf86ef26ebb592aa1ce3ae0ef1947b369ac7b136166bda0fe5b816f3","target":"record","created_at":"2026-07-05T06:13:15Z","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":"33ae1d1cf84f5035b5a061e6171cbdea5bb774afdb8b9e734fafe9f21cd09a5f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-05-02T18:00:04Z","title_canon_sha256":"fcee1656150023e814897c544eae641500e6b5599cbfb1e73b6ed51decf9c197"},"schema_version":"1.0","source":{"id":"2205.01122","kind":"arxiv","version":1}},"canonical_sha256":"4e5b5d5f9b53ce1b65b62894835ebb786fe3d6a2593b32d2bd9b493cf024340d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e5b5d5f9b53ce1b65b62894835ebb786fe3d6a2593b32d2bd9b493cf024340d","first_computed_at":"2026-07-05T06:13:15.232407Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:13:15.232407Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RX/sqwrlZ/9WGSiH26IeUj2pmsBW+p2TiECSqETgvcZEbg4C2GiEcUC/iZ8FJLAq9IU2r0m1NXkOJxqZqMSwAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:13:15.232909Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.01122","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4557dbddf86ef26ebb592aa1ce3ae0ef1947b369ac7b136166bda0fe5b816f3","sha256:f8b20d6fa8cc1cb81a5483a5abebc6ae64a6d041972a7e09b412c76a11131ed5"],"state_sha256":"ce0abed8d63779faa7df5c47a2a3b2424d254a0455c4ce243a239c310ecf8c4a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sevcIccvKMiI2CKMh3YPf6Vcf1s+7KPp7one1hAP6KW6A3Do5kyeb2iGUeIzbi1HZpjkUoBSVGy9RwSRscyDCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:30:51.210361Z","bundle_sha256":"9bfef180168b503860c63c7c7922bf1aa383baa83e1e11711fcf2b15c835f55a"}}