{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:RSLLP6IQCJJHSNQESQJJO7UCYA","short_pith_number":"pith:RSLLP6IQ","schema_version":"1.0","canonical_sha256":"8c96b7f91012527936049412977e82c0049aaa9f9e63dcaba0bd60cc97ec3b31","source":{"kind":"arxiv","id":"2006.14883","version":1},"attestation_state":"computed","paper":{"title":"Quantum walk on a graph of spins: magnetism and entanglement","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alberto D. Verga, Kevissen Sellapillay","submitted_at":"2020-06-26T09:32:57Z","abstract_excerpt":"We introduce a model of a quantum walk on a graph in which a particle jumps between neighboring nodes and interacts with independent spins sitting on the edges. Entanglement propagates with the walker. We apply this model to the case of a one dimensional lattice, to investigate its magnetic and entanglement properties. In the continuum limit, we recover a Landau-Lifshitz equation that describes the precession of spins. A rich dynamics is observed, with regimes of particle propagation and localization, together with spin oscillations and relaxation. Entanglement of the asymptotic states follows"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2006.14883","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2020-06-26T09:32:57Z","cross_cats_sorted":[],"title_canon_sha256":"1d27b18e9d296761b37db641ffe580c47483aa2f16038c7bc473bb17cfe5f663","abstract_canon_sha256":"d4bcb0bede93108f34dc4a708b3cd4a2b4873a2a07103a92d3806d5f70d583b4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:26:48.644900Z","signature_b64":"iYc5mavWEUgmYwoL5juWk9GScJaWPG+yeBLblJ8sGWZbyE79kloz7thK5Q4KjyYYe+mtHT1+Nka08GNpCyCuAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c96b7f91012527936049412977e82c0049aaa9f9e63dcaba0bd60cc97ec3b31","last_reissued_at":"2026-07-05T02:26:48.644440Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:26:48.644440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum walk on a graph of spins: magnetism and entanglement","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alberto D. Verga, Kevissen Sellapillay","submitted_at":"2020-06-26T09:32:57Z","abstract_excerpt":"We introduce a model of a quantum walk on a graph in which a particle jumps between neighboring nodes and interacts with independent spins sitting on the edges. Entanglement propagates with the walker. We apply this model to the case of a one dimensional lattice, to investigate its magnetic and entanglement properties. In the continuum limit, we recover a Landau-Lifshitz equation that describes the precession of spins. A rich dynamics is observed, with regimes of particle propagation and localization, together with spin oscillations and relaxation. Entanglement of the asymptotic states follows"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.14883","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/2006.14883/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2006.14883","created_at":"2026-07-05T02:26:48.644498+00:00"},{"alias_kind":"arxiv_version","alias_value":"2006.14883v1","created_at":"2026-07-05T02:26:48.644498+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.14883","created_at":"2026-07-05T02:26:48.644498+00:00"},{"alias_kind":"pith_short_12","alias_value":"RSLLP6IQCJJH","created_at":"2026-07-05T02:26:48.644498+00:00"},{"alias_kind":"pith_short_16","alias_value":"RSLLP6IQCJJHSNQE","created_at":"2026-07-05T02:26:48.644498+00:00"},{"alias_kind":"pith_short_8","alias_value":"RSLLP6IQ","created_at":"2026-07-05T02:26:48.644498+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RSLLP6IQCJJHSNQESQJJO7UCYA","json":"https://pith.science/pith/RSLLP6IQCJJHSNQESQJJO7UCYA.json","graph_json":"https://pith.science/api/pith-number/RSLLP6IQCJJHSNQESQJJO7UCYA/graph.json","events_json":"https://pith.science/api/pith-number/RSLLP6IQCJJHSNQESQJJO7UCYA/events.json","paper":"https://pith.science/paper/RSLLP6IQ"},"agent_actions":{"view_html":"https://pith.science/pith/RSLLP6IQCJJHSNQESQJJO7UCYA","download_json":"https://pith.science/pith/RSLLP6IQCJJHSNQESQJJO7UCYA.json","view_paper":"https://pith.science/paper/RSLLP6IQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2006.14883&json=true","fetch_graph":"https://pith.science/api/pith-number/RSLLP6IQCJJHSNQESQJJO7UCYA/graph.json","fetch_events":"https://pith.science/api/pith-number/RSLLP6IQCJJHSNQESQJJO7UCYA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RSLLP6IQCJJHSNQESQJJO7UCYA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RSLLP6IQCJJHSNQESQJJO7UCYA/action/storage_attestation","attest_author":"https://pith.science/pith/RSLLP6IQCJJHSNQESQJJO7UCYA/action/author_attestation","sign_citation":"https://pith.science/pith/RSLLP6IQCJJHSNQESQJJO7UCYA/action/citation_signature","submit_replication":"https://pith.science/pith/RSLLP6IQCJJHSNQESQJJO7UCYA/action/replication_record"}},"created_at":"2026-07-05T02:26:48.644498+00:00","updated_at":"2026-07-05T02:26:48.644498+00:00"}