{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:5PQXPLXVNLE5ZLJNKA7Q7GRYZ4","short_pith_number":"pith:5PQXPLXV","canonical_record":{"source":{"id":"1808.09708","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-29T09:58:52Z","cross_cats_sorted":[],"title_canon_sha256":"f8cce8b25e768ac8d18ff3b8c74287bd00eaddeffdea1d6dd405047dd606a718","abstract_canon_sha256":"03d723c8071e3813bb59d4f268457314209c606cfead6187e5620139b1e00394"},"schema_version":"1.0"},"canonical_sha256":"ebe177aef56ac9dcad2d503f0f9a38cf3f74ac1ff94ba24c1691ad76ce798b3d","source":{"kind":"arxiv","id":"1808.09708","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.09708","created_at":"2026-05-17T23:50:07Z"},{"alias_kind":"arxiv_version","alias_value":"1808.09708v1","created_at":"2026-05-17T23:50:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.09708","created_at":"2026-05-17T23:50:07Z"},{"alias_kind":"pith_short_12","alias_value":"5PQXPLXVNLE5","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5PQXPLXVNLE5ZLJN","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5PQXPLXV","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:5PQXPLXVNLE5ZLJNKA7Q7GRYZ4","target":"record","payload":{"canonical_record":{"source":{"id":"1808.09708","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-29T09:58:52Z","cross_cats_sorted":[],"title_canon_sha256":"f8cce8b25e768ac8d18ff3b8c74287bd00eaddeffdea1d6dd405047dd606a718","abstract_canon_sha256":"03d723c8071e3813bb59d4f268457314209c606cfead6187e5620139b1e00394"},"schema_version":"1.0"},"canonical_sha256":"ebe177aef56ac9dcad2d503f0f9a38cf3f74ac1ff94ba24c1691ad76ce798b3d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:07.007168Z","signature_b64":"tKKzXffdVhnHY/dbMFfDZ0/IAjKjfQKWB4sFd+dYct8ey5eG4kkQc+6vbrzdxA79kvzVUTJQ5aacSVYmpnCBBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ebe177aef56ac9dcad2d503f0f9a38cf3f74ac1ff94ba24c1691ad76ce798b3d","last_reissued_at":"2026-05-17T23:50:07.006643Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:07.006643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.09708","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":"2026-05-17T23:50:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"11eH2Ad8zypDoi6ddPxzHJdqr2IDYDbbSCCiIvNs24YvyLwazAP+OhZEwVvNoKfKBZRg0dWVUT7WOEBenLqCAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:24:30.751611Z"},"content_sha256":"f2c700b0fecdc6619ee408f4c713a623594e38e02af30c72cad91dc52ae0aa3f","schema_version":"1.0","event_id":"sha256:f2c700b0fecdc6619ee408f4c713a623594e38e02af30c72cad91dc52ae0aa3f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:5PQXPLXVNLE5ZLJNKA7Q7GRYZ4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum carpets from Gaussian sum theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Dapeng Yu, Huixin Xiong, H. Y. Yuan, Man-Hong Yung, Xue-Ke Song","submitted_at":"2018-08-29T09:58:52Z","abstract_excerpt":"In many closed quantum systems, an interesting phenomenon, called quantum carpet, can be observed, where the evolution of wave function exhibits a carpet-like pattern. The mechanism of quantum carpet is similar to the classical interference pattern of light. Although the origin of quantum carpets has been studied previously, there are still many interesting details worth exploring. Here, we presented a unified framework for a simultaneous analyzing on three features of quantum carpets, namely full revival, fractional revival and diagonal canal. For fractional revival, a complete formula is pre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.09708","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":"2026-05-17T23:50:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1g50crh1k58eEBBXqLrxvH0aNi6odp725V2iUumcoPmaZsTcL3a5HIPOJxL33JZgNv/YvYYFNb+ZXIxc2G5oAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:24:30.752266Z"},"content_sha256":"564855057f09ae6c0d149af67b16d2badd4867c33613c95087031dd8de8849b6","schema_version":"1.0","event_id":"sha256:564855057f09ae6c0d149af67b16d2badd4867c33613c95087031dd8de8849b6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5PQXPLXVNLE5ZLJNKA7Q7GRYZ4/bundle.json","state_url":"https://pith.science/pith/5PQXPLXVNLE5ZLJNKA7Q7GRYZ4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5PQXPLXVNLE5ZLJNKA7Q7GRYZ4/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":"2026-05-28T15:24:30Z","links":{"resolver":"https://pith.science/pith/5PQXPLXVNLE5ZLJNKA7Q7GRYZ4","bundle":"https://pith.science/pith/5PQXPLXVNLE5ZLJNKA7Q7GRYZ4/bundle.json","state":"https://pith.science/pith/5PQXPLXVNLE5ZLJNKA7Q7GRYZ4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5PQXPLXVNLE5ZLJNKA7Q7GRYZ4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:5PQXPLXVNLE5ZLJNKA7Q7GRYZ4","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":"03d723c8071e3813bb59d4f268457314209c606cfead6187e5620139b1e00394","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-29T09:58:52Z","title_canon_sha256":"f8cce8b25e768ac8d18ff3b8c74287bd00eaddeffdea1d6dd405047dd606a718"},"schema_version":"1.0","source":{"id":"1808.09708","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.09708","created_at":"2026-05-17T23:50:07Z"},{"alias_kind":"arxiv_version","alias_value":"1808.09708v1","created_at":"2026-05-17T23:50:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.09708","created_at":"2026-05-17T23:50:07Z"},{"alias_kind":"pith_short_12","alias_value":"5PQXPLXVNLE5","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5PQXPLXVNLE5ZLJN","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5PQXPLXV","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:564855057f09ae6c0d149af67b16d2badd4867c33613c95087031dd8de8849b6","target":"graph","created_at":"2026-05-17T23:50:07Z","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 many closed quantum systems, an interesting phenomenon, called quantum carpet, can be observed, where the evolution of wave function exhibits a carpet-like pattern. The mechanism of quantum carpet is similar to the classical interference pattern of light. Although the origin of quantum carpets has been studied previously, there are still many interesting details worth exploring. Here, we presented a unified framework for a simultaneous analyzing on three features of quantum carpets, namely full revival, fractional revival and diagonal canal. For fractional revival, a complete formula is pre","authors_text":"Dapeng Yu, Huixin Xiong, H. Y. Yuan, Man-Hong Yung, Xue-Ke Song","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-29T09:58:52Z","title":"Quantum carpets from Gaussian sum theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.09708","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:f2c700b0fecdc6619ee408f4c713a623594e38e02af30c72cad91dc52ae0aa3f","target":"record","created_at":"2026-05-17T23:50:07Z","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":"03d723c8071e3813bb59d4f268457314209c606cfead6187e5620139b1e00394","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-29T09:58:52Z","title_canon_sha256":"f8cce8b25e768ac8d18ff3b8c74287bd00eaddeffdea1d6dd405047dd606a718"},"schema_version":"1.0","source":{"id":"1808.09708","kind":"arxiv","version":1}},"canonical_sha256":"ebe177aef56ac9dcad2d503f0f9a38cf3f74ac1ff94ba24c1691ad76ce798b3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ebe177aef56ac9dcad2d503f0f9a38cf3f74ac1ff94ba24c1691ad76ce798b3d","first_computed_at":"2026-05-17T23:50:07.006643Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:07.006643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tKKzXffdVhnHY/dbMFfDZ0/IAjKjfQKWB4sFd+dYct8ey5eG4kkQc+6vbrzdxA79kvzVUTJQ5aacSVYmpnCBBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:07.007168Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.09708","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2c700b0fecdc6619ee408f4c713a623594e38e02af30c72cad91dc52ae0aa3f","sha256:564855057f09ae6c0d149af67b16d2badd4867c33613c95087031dd8de8849b6"],"state_sha256":"1d9b404d662940bc2d0a94d897d80dea3754c299d5b7ef2832906b6d73b6397b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"537dspA8N4n8DBHl5C60FXvnSFuC9wsvOGxn6QqYt4xkE9azJ4eURosIq1yPdqcLjLOOua0fqH1Jy0m0wn/pDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T15:24:30.755828Z","bundle_sha256":"fa04ed0aacd010ddd2cd2f14ef72c477010a45b2a9f587427176fd4e94788efc"}}