{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:L7FTGEVKYYCFAW325PHBU3FQ35","short_pith_number":"pith:L7FTGEVK","canonical_record":{"source":{"id":"1804.01866","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2018-04-05T14:14:03Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"7938d8414376b1b19d8d9ef65cbcfbdc951d4bae9b422049640e525395631e8e","abstract_canon_sha256":"4104b28c7d3ada936fc9d77b0eb087abdde792048d62bc58e8eb8b781d27bee4"},"schema_version":"1.0"},"canonical_sha256":"5fcb3312aac604505b7aebce1a6cb0df578c55e37c7c7c99544addefae2e4d4c","source":{"kind":"arxiv","id":"1804.01866","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01866","created_at":"2026-05-18T00:06:40Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01866v2","created_at":"2026-05-18T00:06:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01866","created_at":"2026-05-18T00:06:40Z"},{"alias_kind":"pith_short_12","alias_value":"L7FTGEVKYYCF","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"L7FTGEVKYYCFAW32","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"L7FTGEVK","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:L7FTGEVKYYCFAW325PHBU3FQ35","target":"record","payload":{"canonical_record":{"source":{"id":"1804.01866","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2018-04-05T14:14:03Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"7938d8414376b1b19d8d9ef65cbcfbdc951d4bae9b422049640e525395631e8e","abstract_canon_sha256":"4104b28c7d3ada936fc9d77b0eb087abdde792048d62bc58e8eb8b781d27bee4"},"schema_version":"1.0"},"canonical_sha256":"5fcb3312aac604505b7aebce1a6cb0df578c55e37c7c7c99544addefae2e4d4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:40.247128Z","signature_b64":"B7P1iZlYTdZJwo/XEBAiIbeTq4X3zxLk5FeXV1enYKieLfcg17ijx3uUr5qMq687YSbCJiZmbmcPg7ZsCQPlBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5fcb3312aac604505b7aebce1a6cb0df578c55e37c7c7c99544addefae2e4d4c","last_reissued_at":"2026-05-18T00:06:40.246709Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:40.246709Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.01866","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":"2026-05-18T00:06:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DXgIJQtr0KM3aYcStTA0arYD+Eq1+2JC6InCFyEyl8IVJGQjQ9XLScOGsNYf2HlwKox3gQZZ5cHHF1kgmJqDAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T04:58:47.970051Z"},"content_sha256":"bf60f89128438715ce8d1bfa3df9a3a57a392b4e7f7e80eb918050a6e122b3d4","schema_version":"1.0","event_id":"sha256:bf60f89128438715ce8d1bfa3df9a3a57a392b4e7f7e80eb918050a6e122b3d4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:L7FTGEVKYYCFAW325PHBU3FQ35","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entanglement and interaction in a topological quantum walk","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"Alberto D. Verga, Ricardo Gabriel Elias","submitted_at":"2018-04-05T14:14:03Z","abstract_excerpt":"We study the quantum walk of two interacting particles on a line with an interface separating two topologically distinct regions. The interaction induces a localization-delocalization transition of the edge state at the interface. We characterize the transition through the entanglement between the two particles."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01866","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":"2026-05-18T00:06:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D8uhHN2ftV8RZ5DYVp2yf1xpUmPpsbe2i55kyZQpQxEfSPQ9okQiNwTJCMDq/7m7n7Gjk8ZVNpdIaIAzfOSUBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T04:58:47.970422Z"},"content_sha256":"36c5a56e6cdf8aeba1e1059a30efc5e9fdd7b148698b93a6082b18033e47a6fc","schema_version":"1.0","event_id":"sha256:36c5a56e6cdf8aeba1e1059a30efc5e9fdd7b148698b93a6082b18033e47a6fc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L7FTGEVKYYCFAW325PHBU3FQ35/bundle.json","state_url":"https://pith.science/pith/L7FTGEVKYYCFAW325PHBU3FQ35/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L7FTGEVKYYCFAW325PHBU3FQ35/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":"2026-06-22T04:58:47Z","links":{"resolver":"https://pith.science/pith/L7FTGEVKYYCFAW325PHBU3FQ35","bundle":"https://pith.science/pith/L7FTGEVKYYCFAW325PHBU3FQ35/bundle.json","state":"https://pith.science/pith/L7FTGEVKYYCFAW325PHBU3FQ35/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L7FTGEVKYYCFAW325PHBU3FQ35/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:L7FTGEVKYYCFAW325PHBU3FQ35","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":"4104b28c7d3ada936fc9d77b0eb087abdde792048d62bc58e8eb8b781d27bee4","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2018-04-05T14:14:03Z","title_canon_sha256":"7938d8414376b1b19d8d9ef65cbcfbdc951d4bae9b422049640e525395631e8e"},"schema_version":"1.0","source":{"id":"1804.01866","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01866","created_at":"2026-05-18T00:06:40Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01866v2","created_at":"2026-05-18T00:06:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01866","created_at":"2026-05-18T00:06:40Z"},{"alias_kind":"pith_short_12","alias_value":"L7FTGEVKYYCF","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"L7FTGEVKYYCFAW32","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"L7FTGEVK","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:36c5a56e6cdf8aeba1e1059a30efc5e9fdd7b148698b93a6082b18033e47a6fc","target":"graph","created_at":"2026-05-18T00:06:40Z","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":"We study the quantum walk of two interacting particles on a line with an interface separating two topologically distinct regions. The interaction induces a localization-delocalization transition of the edge state at the interface. We characterize the transition through the entanglement between the two particles.","authors_text":"Alberto D. Verga, Ricardo Gabriel Elias","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2018-04-05T14:14:03Z","title":"Entanglement and interaction in a topological quantum walk"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01866","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:bf60f89128438715ce8d1bfa3df9a3a57a392b4e7f7e80eb918050a6e122b3d4","target":"record","created_at":"2026-05-18T00:06:40Z","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":"4104b28c7d3ada936fc9d77b0eb087abdde792048d62bc58e8eb8b781d27bee4","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2018-04-05T14:14:03Z","title_canon_sha256":"7938d8414376b1b19d8d9ef65cbcfbdc951d4bae9b422049640e525395631e8e"},"schema_version":"1.0","source":{"id":"1804.01866","kind":"arxiv","version":2}},"canonical_sha256":"5fcb3312aac604505b7aebce1a6cb0df578c55e37c7c7c99544addefae2e4d4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5fcb3312aac604505b7aebce1a6cb0df578c55e37c7c7c99544addefae2e4d4c","first_computed_at":"2026-05-18T00:06:40.246709Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:40.246709Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B7P1iZlYTdZJwo/XEBAiIbeTq4X3zxLk5FeXV1enYKieLfcg17ijx3uUr5qMq687YSbCJiZmbmcPg7ZsCQPlBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:40.247128Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.01866","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf60f89128438715ce8d1bfa3df9a3a57a392b4e7f7e80eb918050a6e122b3d4","sha256:36c5a56e6cdf8aeba1e1059a30efc5e9fdd7b148698b93a6082b18033e47a6fc"],"state_sha256":"72d37d7c5605f1495323fae57ddab6c5805285042ef752d872835ce57dabe038"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eUPgHJrFfmd7FQGgB3ujY9wjSacPOSovQX70sAvRLasMUiyQq9kAzDkt14wb5i6W2qCQXUpHN3MEXuY5egWQBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T04:58:47.972379Z","bundle_sha256":"05672ca048147cbc474044eb980a619f30b461e3d857f0ab94e20c5a3c235625"}}