{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:3UHTJCBJFYHFBT3ZS2LLF6RAQD","short_pith_number":"pith:3UHTJCBJ","canonical_record":{"source":{"id":"1401.5992","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-23T14:53:38Z","cross_cats_sorted":[],"title_canon_sha256":"4512da77bbb82e73e18784d8e6b28487cb6c131f013a6534ba53dfd3e7c3122c","abstract_canon_sha256":"f53261e1e170b5ca6746e5f56031e4ab55f56b7f486df6ee1122a8007106a836"},"schema_version":"1.0"},"canonical_sha256":"dd0f3488292e0e50cf799696b2fa2080fc5639c02ae9f00f9d5ee21cdd69a380","source":{"kind":"arxiv","id":"1401.5992","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.5992","created_at":"2026-05-18T02:52:06Z"},{"alias_kind":"arxiv_version","alias_value":"1401.5992v2","created_at":"2026-05-18T02:52:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.5992","created_at":"2026-05-18T02:52:06Z"},{"alias_kind":"pith_short_12","alias_value":"3UHTJCBJFYHF","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3UHTJCBJFYHFBT3Z","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3UHTJCBJ","created_at":"2026-05-18T12:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:3UHTJCBJFYHFBT3ZS2LLF6RAQD","target":"record","payload":{"canonical_record":{"source":{"id":"1401.5992","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-23T14:53:38Z","cross_cats_sorted":[],"title_canon_sha256":"4512da77bbb82e73e18784d8e6b28487cb6c131f013a6534ba53dfd3e7c3122c","abstract_canon_sha256":"f53261e1e170b5ca6746e5f56031e4ab55f56b7f486df6ee1122a8007106a836"},"schema_version":"1.0"},"canonical_sha256":"dd0f3488292e0e50cf799696b2fa2080fc5639c02ae9f00f9d5ee21cdd69a380","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:52:06.185460Z","signature_b64":"n6jsqKSMepaU6hZjS8ChuZ6i6E4bvd3ceA08Pq985Sts+PrZVHuesLCXT+tGrgMO+4eNseRuA1rHKewcUSZqBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd0f3488292e0e50cf799696b2fa2080fc5639c02ae9f00f9d5ee21cdd69a380","last_reissued_at":"2026-05-18T02:52:06.184994Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:52:06.184994Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.5992","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":"2026-05-18T02:52:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TRL2YrKZWWdNwR7DZsPjskAwaO/BoKMi0OewiD57ipG9RGkC9TW2c6h72Zu9XvGNaIP5DwZHUi0mvKPXWe1zCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:22:49.010732Z"},"content_sha256":"d319db1dd1e753635456ec90b111b98e85715ecb071f890e0f117a4b4369e072","schema_version":"1.0","event_id":"sha256:d319db1dd1e753635456ec90b111b98e85715ecb071f890e0f117a4b4369e072"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:3UHTJCBJFYHFBT3ZS2LLF6RAQD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electric dipole induced universality for Dirac fermions in graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. De Martino, D. Kloepfer, D. Matrasulov, R. Egger","submitted_at":"2014-01-23T14:53:38Z","abstract_excerpt":"We study electric dipole effects for massive Dirac fermions in graphene and related materials. The dipole potential accomodates towers of infinitely many bound states exhibiting a universal Efimov-like scaling hierarchy. The dipole moment determines the number of towers, but there is always at least one tower. The corresponding eigenstates show a characteristic angular asymmetry, observable in tunnel spectroscopy. However, charge transport properties inferred from scattering states are highly isotropic."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.5992","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":"2026-05-18T02:52:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zks3S7DHRwQGqEJQD+/FU953eoXXxvEVuZcwqjsPrUvrv4UIUdC7IiG/Z7U8F29s7Qfkgl0O+FGPfmRdEL9eCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:22:49.011096Z"},"content_sha256":"dd8020d787e087adf839728ea22d7178326bf5f0579e491601c6738aa6f1df6b","schema_version":"1.0","event_id":"sha256:dd8020d787e087adf839728ea22d7178326bf5f0579e491601c6738aa6f1df6b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3UHTJCBJFYHFBT3ZS2LLF6RAQD/bundle.json","state_url":"https://pith.science/pith/3UHTJCBJFYHFBT3ZS2LLF6RAQD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3UHTJCBJFYHFBT3ZS2LLF6RAQD/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":"2026-06-01T06:22:49Z","links":{"resolver":"https://pith.science/pith/3UHTJCBJFYHFBT3ZS2LLF6RAQD","bundle":"https://pith.science/pith/3UHTJCBJFYHFBT3ZS2LLF6RAQD/bundle.json","state":"https://pith.science/pith/3UHTJCBJFYHFBT3ZS2LLF6RAQD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3UHTJCBJFYHFBT3ZS2LLF6RAQD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:3UHTJCBJFYHFBT3ZS2LLF6RAQD","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":"f53261e1e170b5ca6746e5f56031e4ab55f56b7f486df6ee1122a8007106a836","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-23T14:53:38Z","title_canon_sha256":"4512da77bbb82e73e18784d8e6b28487cb6c131f013a6534ba53dfd3e7c3122c"},"schema_version":"1.0","source":{"id":"1401.5992","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.5992","created_at":"2026-05-18T02:52:06Z"},{"alias_kind":"arxiv_version","alias_value":"1401.5992v2","created_at":"2026-05-18T02:52:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.5992","created_at":"2026-05-18T02:52:06Z"},{"alias_kind":"pith_short_12","alias_value":"3UHTJCBJFYHF","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3UHTJCBJFYHFBT3Z","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3UHTJCBJ","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:dd8020d787e087adf839728ea22d7178326bf5f0579e491601c6738aa6f1df6b","target":"graph","created_at":"2026-05-18T02:52:06Z","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 electric dipole effects for massive Dirac fermions in graphene and related materials. The dipole potential accomodates towers of infinitely many bound states exhibiting a universal Efimov-like scaling hierarchy. The dipole moment determines the number of towers, but there is always at least one tower. The corresponding eigenstates show a characteristic angular asymmetry, observable in tunnel spectroscopy. However, charge transport properties inferred from scattering states are highly isotropic.","authors_text":"A. De Martino, D. Kloepfer, D. Matrasulov, R. Egger","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-23T14:53:38Z","title":"Electric dipole induced universality for Dirac fermions in graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.5992","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:d319db1dd1e753635456ec90b111b98e85715ecb071f890e0f117a4b4369e072","target":"record","created_at":"2026-05-18T02:52:06Z","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":"f53261e1e170b5ca6746e5f56031e4ab55f56b7f486df6ee1122a8007106a836","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-23T14:53:38Z","title_canon_sha256":"4512da77bbb82e73e18784d8e6b28487cb6c131f013a6534ba53dfd3e7c3122c"},"schema_version":"1.0","source":{"id":"1401.5992","kind":"arxiv","version":2}},"canonical_sha256":"dd0f3488292e0e50cf799696b2fa2080fc5639c02ae9f00f9d5ee21cdd69a380","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd0f3488292e0e50cf799696b2fa2080fc5639c02ae9f00f9d5ee21cdd69a380","first_computed_at":"2026-05-18T02:52:06.184994Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:52:06.184994Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"n6jsqKSMepaU6hZjS8ChuZ6i6E4bvd3ceA08Pq985Sts+PrZVHuesLCXT+tGrgMO+4eNseRuA1rHKewcUSZqBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:52:06.185460Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.5992","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d319db1dd1e753635456ec90b111b98e85715ecb071f890e0f117a4b4369e072","sha256:dd8020d787e087adf839728ea22d7178326bf5f0579e491601c6738aa6f1df6b"],"state_sha256":"9f1efd8cae8b0b84c1794697855b47e70d96b2d0a3585505a1e53804265e67b3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qkVtQTWYq2lATM9VXi0adu++MfhBSnkeOtrJmylrFw7OoHtanTY8GM3LnUamP8G8pmu2AFeji10XIETcYyGyDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T06:22:49.013368Z","bundle_sha256":"c19c8fc8d8b47aaa2d1077de90e50cccbaa013ee7d445d5375419013bd0b6ccb"}}