{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:LJ3M33ACQ5R7Y5T75MTVWKSN6C","short_pith_number":"pith:LJ3M33AC","canonical_record":{"source":{"id":"1207.3199","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-07-13T11:07:31Z","cross_cats_sorted":["physics.chem-ph","quant-ph"],"title_canon_sha256":"655778384c0f8d4ced4594600f0d1890c7b53c350b559c48e601bc640021c7db","abstract_canon_sha256":"7318d0e568247dacae13fbc689a369360e6d5153fae515d81f878ddd7aea90c0"},"schema_version":"1.0"},"canonical_sha256":"5a76cdec028763fc767feb275b2a4df0a6bfff6eb35aee276ffb40d404076927","source":{"kind":"arxiv","id":"1207.3199","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.3199","created_at":"2026-05-18T03:13:56Z"},{"alias_kind":"arxiv_version","alias_value":"1207.3199v2","created_at":"2026-05-18T03:13:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.3199","created_at":"2026-05-18T03:13:56Z"},{"alias_kind":"pith_short_12","alias_value":"LJ3M33ACQ5R7","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LJ3M33ACQ5R7Y5T7","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LJ3M33AC","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:LJ3M33ACQ5R7Y5T75MTVWKSN6C","target":"record","payload":{"canonical_record":{"source":{"id":"1207.3199","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-07-13T11:07:31Z","cross_cats_sorted":["physics.chem-ph","quant-ph"],"title_canon_sha256":"655778384c0f8d4ced4594600f0d1890c7b53c350b559c48e601bc640021c7db","abstract_canon_sha256":"7318d0e568247dacae13fbc689a369360e6d5153fae515d81f878ddd7aea90c0"},"schema_version":"1.0"},"canonical_sha256":"5a76cdec028763fc767feb275b2a4df0a6bfff6eb35aee276ffb40d404076927","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:13:56.297539Z","signature_b64":"bhnJbB3q+UWmXbmORm5Q6zdThBh2xx2C4Do4BtEEVwfhuKuwFYLLM7Mt2fM20QlTEC4mtLj3NYQVG27AohQcCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a76cdec028763fc767feb275b2a4df0a6bfff6eb35aee276ffb40d404076927","last_reissued_at":"2026-05-18T03:13:56.296691Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:13:56.296691Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.3199","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":"2026-05-18T03:13:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YwjrQ3ZRrskjvuQygW1ffNU27W90SkqX8poNqTp0AGtH45KO9b39pQ2e6W5iCbqvXOB/hhevEigmab/2ANXSAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T16:23:25.720873Z"},"content_sha256":"583af6824a9965c0c53c84747815c025fa5fe8c6861c87085e4c2249b31d850a","schema_version":"1.0","event_id":"sha256:583af6824a9965c0c53c84747815c025fa5fe8c6861c87085e4c2249b31d850a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:LJ3M33ACQ5R7Y5T75MTVWKSN6C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Adsorbate surface diffusion: The role of incoherent tunneling in light particle motion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph","quant-ph"],"primary_cat":"cond-mat.stat-mech","authors_text":"A. S. Sanz, R. Martinez-Casado, S. Miret-Artes","submitted_at":"2012-07-13T11:07:31Z","abstract_excerpt":"The role of incoherent tunneling in the diffusion of light atoms on surfaces is investigated. With this purpose, a Chudley-Elliot master equation constrained to nearest neighbors is considered within the Grabert-Weiss approach to quantum diffusion in periodic lattices. This model is applied to recent measurements of atomic H and D on Pt(111), rendering friction coefficients that are in the range of those available in the literature for other species of adsorbates. A simple extension of the model has also been considered to evaluate the relationship between coverage and tunneling, and therefore"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.3199","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":"2026-05-18T03:13:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6/HdXPiCBJ9+rdC83sllAcNEzmJ8V5bNmvijb/UvdwOpoN60Ya50H6T79XPd0dSHqOYlNY8FP7aZPWy/zZl6BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T16:23:25.721222Z"},"content_sha256":"b49811e14cb75cc4a9253b4f27af15ec95e2dffbe6432878be89349eb30e1e81","schema_version":"1.0","event_id":"sha256:b49811e14cb75cc4a9253b4f27af15ec95e2dffbe6432878be89349eb30e1e81"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LJ3M33ACQ5R7Y5T75MTVWKSN6C/bundle.json","state_url":"https://pith.science/pith/LJ3M33ACQ5R7Y5T75MTVWKSN6C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LJ3M33ACQ5R7Y5T75MTVWKSN6C/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":"2026-06-23T16:23:25Z","links":{"resolver":"https://pith.science/pith/LJ3M33ACQ5R7Y5T75MTVWKSN6C","bundle":"https://pith.science/pith/LJ3M33ACQ5R7Y5T75MTVWKSN6C/bundle.json","state":"https://pith.science/pith/LJ3M33ACQ5R7Y5T75MTVWKSN6C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LJ3M33ACQ5R7Y5T75MTVWKSN6C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:LJ3M33ACQ5R7Y5T75MTVWKSN6C","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":"7318d0e568247dacae13fbc689a369360e6d5153fae515d81f878ddd7aea90c0","cross_cats_sorted":["physics.chem-ph","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-07-13T11:07:31Z","title_canon_sha256":"655778384c0f8d4ced4594600f0d1890c7b53c350b559c48e601bc640021c7db"},"schema_version":"1.0","source":{"id":"1207.3199","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.3199","created_at":"2026-05-18T03:13:56Z"},{"alias_kind":"arxiv_version","alias_value":"1207.3199v2","created_at":"2026-05-18T03:13:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.3199","created_at":"2026-05-18T03:13:56Z"},{"alias_kind":"pith_short_12","alias_value":"LJ3M33ACQ5R7","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LJ3M33ACQ5R7Y5T7","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LJ3M33AC","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:b49811e14cb75cc4a9253b4f27af15ec95e2dffbe6432878be89349eb30e1e81","target":"graph","created_at":"2026-05-18T03:13:56Z","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":"The role of incoherent tunneling in the diffusion of light atoms on surfaces is investigated. With this purpose, a Chudley-Elliot master equation constrained to nearest neighbors is considered within the Grabert-Weiss approach to quantum diffusion in periodic lattices. This model is applied to recent measurements of atomic H and D on Pt(111), rendering friction coefficients that are in the range of those available in the literature for other species of adsorbates. A simple extension of the model has also been considered to evaluate the relationship between coverage and tunneling, and therefore","authors_text":"A. S. Sanz, R. Martinez-Casado, S. Miret-Artes","cross_cats":["physics.chem-ph","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-07-13T11:07:31Z","title":"Adsorbate surface diffusion: The role of incoherent tunneling in light particle motion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.3199","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":"sha256:583af6824a9965c0c53c84747815c025fa5fe8c6861c87085e4c2249b31d850a","target":"record","created_at":"2026-05-18T03:13:56Z","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":"7318d0e568247dacae13fbc689a369360e6d5153fae515d81f878ddd7aea90c0","cross_cats_sorted":["physics.chem-ph","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-07-13T11:07:31Z","title_canon_sha256":"655778384c0f8d4ced4594600f0d1890c7b53c350b559c48e601bc640021c7db"},"schema_version":"1.0","source":{"id":"1207.3199","kind":"arxiv","version":2}},"canonical_sha256":"5a76cdec028763fc767feb275b2a4df0a6bfff6eb35aee276ffb40d404076927","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a76cdec028763fc767feb275b2a4df0a6bfff6eb35aee276ffb40d404076927","first_computed_at":"2026-05-18T03:13:56.296691Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:13:56.296691Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bhnJbB3q+UWmXbmORm5Q6zdThBh2xx2C4Do4BtEEVwfhuKuwFYLLM7Mt2fM20QlTEC4mtLj3NYQVG27AohQcCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:13:56.297539Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.3199","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:583af6824a9965c0c53c84747815c025fa5fe8c6861c87085e4c2249b31d850a","sha256:b49811e14cb75cc4a9253b4f27af15ec95e2dffbe6432878be89349eb30e1e81"],"state_sha256":"8ae6db100815e3ff1efb0a0a7e44969287a6fd56935e4e1857d5d2c224d570e9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0ghRyPjbFreHmz00kckwdFP4aszqHZmhU5KSh6lJc8xcOlF8UCIPKkeAvVq47hfhQpklhuKMYSRO5G4MscGQDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T16:23:25.723188Z","bundle_sha256":"853e2dbc11ff7ce083a50de9f94477a9df9fa666469fff082d863421e2fa470a"}}