{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:LEPBDD3ZCOQPWM6PQ2IBQKZFLW","short_pith_number":"pith:LEPBDD3Z","canonical_record":{"source":{"id":"1405.4800","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-19T16:45:30Z","cross_cats_sorted":[],"title_canon_sha256":"6c5e6f2f63e2dd3d205ce4c93cacb28dddda1e066a89891e9168861e7f24dd01","abstract_canon_sha256":"90ce0e67280f3a23820ef13619b2d360bc945777533dd9f335824bb1a712387c"},"schema_version":"1.0"},"canonical_sha256":"591e118f7913a0fb33cf8690182b255da31393c3b2a37d0ffc8626d16baffc85","source":{"kind":"arxiv","id":"1405.4800","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.4800","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"arxiv_version","alias_value":"1405.4800v2","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.4800","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"pith_short_12","alias_value":"LEPBDD3ZCOQP","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LEPBDD3ZCOQPWM6P","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LEPBDD3Z","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:LEPBDD3ZCOQPWM6PQ2IBQKZFLW","target":"record","payload":{"canonical_record":{"source":{"id":"1405.4800","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-19T16:45:30Z","cross_cats_sorted":[],"title_canon_sha256":"6c5e6f2f63e2dd3d205ce4c93cacb28dddda1e066a89891e9168861e7f24dd01","abstract_canon_sha256":"90ce0e67280f3a23820ef13619b2d360bc945777533dd9f335824bb1a712387c"},"schema_version":"1.0"},"canonical_sha256":"591e118f7913a0fb33cf8690182b255da31393c3b2a37d0ffc8626d16baffc85","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:02.011388Z","signature_b64":"Za8J4/xYDqqxVNv1STy2KUK12pm1jF7RL5uFwFEV74nT/5ts4qcoQwdqzQ2jR+6E4mUh40ohLUzP189ViKXQDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"591e118f7913a0fb33cf8690182b255da31393c3b2a37d0ffc8626d16baffc85","last_reissued_at":"2026-05-18T02:50:02.010718Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:02.010718Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.4800","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":"2026-05-18T02:50:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NlEvPTTH8edz0YhARPqA2y67s1q1jegn1NsecqBdvFSVBvR22vjr9WOxaYdPI5t7xuZbZCukTLS11LIAB8kwCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:38:42.438459Z"},"content_sha256":"b46cefed5e0c088b3383e8b24f5dfff05bcc4b6d4966fd41fb4b414606d915c7","schema_version":"1.0","event_id":"sha256:b46cefed5e0c088b3383e8b24f5dfff05bcc4b6d4966fd41fb4b414606d915c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:LEPBDD3ZCOQPWM6PQ2IBQKZFLW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Influence of the substrate on the diffusion coefficient and the momentum relaxation in graphene: the role of surface polar phonons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Elena Pascual, Mar\\'ia J. Martin, Ra\\'ul Rengel","submitted_at":"2014-05-19T16:45:30Z","abstract_excerpt":"Knowing the influence of the substrate type on the diffusion coefficient and the momentum relaxation in graphene is of great importance for the development of new device models specifically adapted to the peculiarities of this material. In this work, the influence of surface polar phonons at low and high electric fields is evaluated by means of ensemble Monte Carlo simulations for several types of substrates. The results show that at low fields surface polar phonons have a major role on reducing the scattering time, breaking the correlation of velocity fluctuations and degrading the diffusion "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.4800","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":"2026-05-18T02:50:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zribWtnYfNnZaJafwAaNdMJf+GJRHimHQEFLj/Ue/+SrBFb8ejNrh+CdsoCFen+kxskJYe/0Ydvo4ndSp3KaCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:38:42.438798Z"},"content_sha256":"617a42774949558c5c3c9dfecc8fff65bd93bce25ec9a8ba9518c02081d109b1","schema_version":"1.0","event_id":"sha256:617a42774949558c5c3c9dfecc8fff65bd93bce25ec9a8ba9518c02081d109b1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LEPBDD3ZCOQPWM6PQ2IBQKZFLW/bundle.json","state_url":"https://pith.science/pith/LEPBDD3ZCOQPWM6PQ2IBQKZFLW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LEPBDD3ZCOQPWM6PQ2IBQKZFLW/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":"2026-06-01T19:38:42Z","links":{"resolver":"https://pith.science/pith/LEPBDD3ZCOQPWM6PQ2IBQKZFLW","bundle":"https://pith.science/pith/LEPBDD3ZCOQPWM6PQ2IBQKZFLW/bundle.json","state":"https://pith.science/pith/LEPBDD3ZCOQPWM6PQ2IBQKZFLW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LEPBDD3ZCOQPWM6PQ2IBQKZFLW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:LEPBDD3ZCOQPWM6PQ2IBQKZFLW","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":"90ce0e67280f3a23820ef13619b2d360bc945777533dd9f335824bb1a712387c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-19T16:45:30Z","title_canon_sha256":"6c5e6f2f63e2dd3d205ce4c93cacb28dddda1e066a89891e9168861e7f24dd01"},"schema_version":"1.0","source":{"id":"1405.4800","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.4800","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"arxiv_version","alias_value":"1405.4800v2","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.4800","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"pith_short_12","alias_value":"LEPBDD3ZCOQP","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LEPBDD3ZCOQPWM6P","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LEPBDD3Z","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:617a42774949558c5c3c9dfecc8fff65bd93bce25ec9a8ba9518c02081d109b1","target":"graph","created_at":"2026-05-18T02:50:02Z","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":"Knowing the influence of the substrate type on the diffusion coefficient and the momentum relaxation in graphene is of great importance for the development of new device models specifically adapted to the peculiarities of this material. In this work, the influence of surface polar phonons at low and high electric fields is evaluated by means of ensemble Monte Carlo simulations for several types of substrates. The results show that at low fields surface polar phonons have a major role on reducing the scattering time, breaking the correlation of velocity fluctuations and degrading the diffusion ","authors_text":"Elena Pascual, Mar\\'ia J. Martin, Ra\\'ul Rengel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-19T16:45:30Z","title":"Influence of the substrate on the diffusion coefficient and the momentum relaxation in graphene: the role of surface polar phonons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.4800","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:b46cefed5e0c088b3383e8b24f5dfff05bcc4b6d4966fd41fb4b414606d915c7","target":"record","created_at":"2026-05-18T02:50:02Z","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":"90ce0e67280f3a23820ef13619b2d360bc945777533dd9f335824bb1a712387c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-19T16:45:30Z","title_canon_sha256":"6c5e6f2f63e2dd3d205ce4c93cacb28dddda1e066a89891e9168861e7f24dd01"},"schema_version":"1.0","source":{"id":"1405.4800","kind":"arxiv","version":2}},"canonical_sha256":"591e118f7913a0fb33cf8690182b255da31393c3b2a37d0ffc8626d16baffc85","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"591e118f7913a0fb33cf8690182b255da31393c3b2a37d0ffc8626d16baffc85","first_computed_at":"2026-05-18T02:50:02.010718Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:50:02.010718Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Za8J4/xYDqqxVNv1STy2KUK12pm1jF7RL5uFwFEV74nT/5ts4qcoQwdqzQ2jR+6E4mUh40ohLUzP189ViKXQDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:50:02.011388Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.4800","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b46cefed5e0c088b3383e8b24f5dfff05bcc4b6d4966fd41fb4b414606d915c7","sha256:617a42774949558c5c3c9dfecc8fff65bd93bce25ec9a8ba9518c02081d109b1"],"state_sha256":"de133e6c03b357ae9bdb12998bf8e24a4e06c4622d632661b5fbd719228e3309"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HleXf140mwd0Vh5yNg96uE83Ggcr/ymyhJMYZ4JksbVB1tz6K+XuJUqZLvD9nGbYTWeCJMp5O5a2Lr4qppkKDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T19:38:42.440653Z","bundle_sha256":"f6e4313e949ec2e32d7c9965b8b199df637c2e7439bfa4cfeb8d6d890958bdad"}}