{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:PUTUET664BRMLLQ2LCGFUEVVVX","short_pith_number":"pith:PUTUET66","canonical_record":{"source":{"id":"1106.1550","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-08T12:39:29Z","cross_cats_sorted":[],"title_canon_sha256":"41d8bcedad546b884aebd2da601ca86335dae70f8fbd3aa0a40ca075f98d826b","abstract_canon_sha256":"106287439312dcba64e4a3a1e11c720054a48674da17364080005c8f6f9db81a"},"schema_version":"1.0"},"canonical_sha256":"7d27424fdee062c5ae1a588c5a12b5adc41c0bf15e7562405f15874a3b3f2461","source":{"kind":"arxiv","id":"1106.1550","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.1550","created_at":"2026-05-18T04:20:22Z"},{"alias_kind":"arxiv_version","alias_value":"1106.1550v1","created_at":"2026-05-18T04:20:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.1550","created_at":"2026-05-18T04:20:22Z"},{"alias_kind":"pith_short_12","alias_value":"PUTUET664BRM","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"PUTUET664BRMLLQ2","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"PUTUET66","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:PUTUET664BRMLLQ2LCGFUEVVVX","target":"record","payload":{"canonical_record":{"source":{"id":"1106.1550","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-08T12:39:29Z","cross_cats_sorted":[],"title_canon_sha256":"41d8bcedad546b884aebd2da601ca86335dae70f8fbd3aa0a40ca075f98d826b","abstract_canon_sha256":"106287439312dcba64e4a3a1e11c720054a48674da17364080005c8f6f9db81a"},"schema_version":"1.0"},"canonical_sha256":"7d27424fdee062c5ae1a588c5a12b5adc41c0bf15e7562405f15874a3b3f2461","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:20:22.785139Z","signature_b64":"0Z50II4T44V8KCD4Z/dFoLj5/52DEloHtm4VixMB6rCLZ7if6fYHvXfv9iNpgYuhmS49BUqriX6AZdsza0V2DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7d27424fdee062c5ae1a588c5a12b5adc41c0bf15e7562405f15874a3b3f2461","last_reissued_at":"2026-05-18T04:20:22.784622Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:20:22.784622Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.1550","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":"2026-05-18T04:20:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SjGU5ma/rf9DZEJj1N+D5kSGI+kU2ACKw6unS3TIjTNVLgGi/0KhSERUtuFUZ5AqSNDXfKSRJTliWkVHV82fAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T00:09:35.640983Z"},"content_sha256":"8ba98a82bf6cede2e4e64208f97f9ad8a0d7f3e5b01a2da539cf1074cc773c30","schema_version":"1.0","event_id":"sha256:8ba98a82bf6cede2e4e64208f97f9ad8a0d7f3e5b01a2da539cf1074cc773c30"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:PUTUET664BRMLLQ2LCGFUEVVVX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comments on \"Observation of Fast Evolution in Parity-Time-Symmetric System\"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Fabio Masillo","submitted_at":"2011-06-08T12:39:29Z","abstract_excerpt":"In the paper \"Observation of Fast Evolution in Parity-Time-Symmetric System\" the authors propose a physical apparatus for the realization of a faster than Hermitian evolution. This last appears in contrast with the conclusions obtained in our paper \"Some Remarks on Quantum Brachistochrone\". We will clarify this apparent contradiction and some problematic aspects of the treatment in [1]."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.1550","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":""},"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":"2026-05-18T04:20:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mhz1Y1jSGyZa5qWmbyFH4UNqf7/oWLT3PPeD+i0tJvpk19gWlocEJaiF/ag3pTiO/uCBi3QyRh72vMygSTC3BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T00:09:35.641334Z"},"content_sha256":"75f137b9b61dfbaaefef7799c729d78d715b19aaf1e0c22e5076410b4e33fde8","schema_version":"1.0","event_id":"sha256:75f137b9b61dfbaaefef7799c729d78d715b19aaf1e0c22e5076410b4e33fde8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PUTUET664BRMLLQ2LCGFUEVVVX/bundle.json","state_url":"https://pith.science/pith/PUTUET664BRMLLQ2LCGFUEVVVX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PUTUET664BRMLLQ2LCGFUEVVVX/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":"2026-06-27T00:09:35Z","links":{"resolver":"https://pith.science/pith/PUTUET664BRMLLQ2LCGFUEVVVX","bundle":"https://pith.science/pith/PUTUET664BRMLLQ2LCGFUEVVVX/bundle.json","state":"https://pith.science/pith/PUTUET664BRMLLQ2LCGFUEVVVX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PUTUET664BRMLLQ2LCGFUEVVVX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:PUTUET664BRMLLQ2LCGFUEVVVX","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":"106287439312dcba64e4a3a1e11c720054a48674da17364080005c8f6f9db81a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-08T12:39:29Z","title_canon_sha256":"41d8bcedad546b884aebd2da601ca86335dae70f8fbd3aa0a40ca075f98d826b"},"schema_version":"1.0","source":{"id":"1106.1550","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.1550","created_at":"2026-05-18T04:20:22Z"},{"alias_kind":"arxiv_version","alias_value":"1106.1550v1","created_at":"2026-05-18T04:20:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.1550","created_at":"2026-05-18T04:20:22Z"},{"alias_kind":"pith_short_12","alias_value":"PUTUET664BRM","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"PUTUET664BRMLLQ2","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"PUTUET66","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:75f137b9b61dfbaaefef7799c729d78d715b19aaf1e0c22e5076410b4e33fde8","target":"graph","created_at":"2026-05-18T04:20:22Z","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":"In the paper \"Observation of Fast Evolution in Parity-Time-Symmetric System\" the authors propose a physical apparatus for the realization of a faster than Hermitian evolution. This last appears in contrast with the conclusions obtained in our paper \"Some Remarks on Quantum Brachistochrone\". We will clarify this apparent contradiction and some problematic aspects of the treatment in [1].","authors_text":"Fabio Masillo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-08T12:39:29Z","title":"Comments on \"Observation of Fast Evolution in Parity-Time-Symmetric System\""},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.1550","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":"sha256:8ba98a82bf6cede2e4e64208f97f9ad8a0d7f3e5b01a2da539cf1074cc773c30","target":"record","created_at":"2026-05-18T04:20:22Z","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":"106287439312dcba64e4a3a1e11c720054a48674da17364080005c8f6f9db81a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-08T12:39:29Z","title_canon_sha256":"41d8bcedad546b884aebd2da601ca86335dae70f8fbd3aa0a40ca075f98d826b"},"schema_version":"1.0","source":{"id":"1106.1550","kind":"arxiv","version":1}},"canonical_sha256":"7d27424fdee062c5ae1a588c5a12b5adc41c0bf15e7562405f15874a3b3f2461","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7d27424fdee062c5ae1a588c5a12b5adc41c0bf15e7562405f15874a3b3f2461","first_computed_at":"2026-05-18T04:20:22.784622Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:20:22.784622Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0Z50II4T44V8KCD4Z/dFoLj5/52DEloHtm4VixMB6rCLZ7if6fYHvXfv9iNpgYuhmS49BUqriX6AZdsza0V2DA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:20:22.785139Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.1550","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ba98a82bf6cede2e4e64208f97f9ad8a0d7f3e5b01a2da539cf1074cc773c30","sha256:75f137b9b61dfbaaefef7799c729d78d715b19aaf1e0c22e5076410b4e33fde8"],"state_sha256":"fa1f6148eba87107e63b0e608c5f788e242910e4de14f77c5f12e0fd2ea2375f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MJnmGAxuPebN5PMdQDkgyJYY2Hk8YAuFDGcpQEr+nIUbh0YMqo2EMHAgyow9J9uHkCmfeIw59mwVHXtuV6ldDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T00:09:35.643115Z","bundle_sha256":"5fd5709443ee82ce9e5862e651f606e253a262fcdc07e27dc9e65292fba821f0"}}