{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:NCFK4PAZPBR6N3KLDZHZMVLOJH","short_pith_number":"pith:NCFK4PAZ","canonical_record":{"source":{"id":"1505.07468","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-05-27T20:01:25Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.mtrl-sci","cond-mat.other","cond-mat.str-el"],"title_canon_sha256":"b28846b80833a7a5a2e69418833b1a3ff20b7922830630bc4c1bb280bbf8fa4f","abstract_canon_sha256":"bd2eb4efd17849eb3c7c9d595fb8a3a9431daf31944a7155d97cd133e5ccf6e8"},"schema_version":"1.0"},"canonical_sha256":"688aae3c197863e6ed4b1e4f96556e49dc81b40d77fd4e4ee9a26804b2e0790c","source":{"kind":"arxiv","id":"1505.07468","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.07468","created_at":"2026-05-18T01:14:04Z"},{"alias_kind":"arxiv_version","alias_value":"1505.07468v1","created_at":"2026-05-18T01:14:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.07468","created_at":"2026-05-18T01:14:04Z"},{"alias_kind":"pith_short_12","alias_value":"NCFK4PAZPBR6","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"NCFK4PAZPBR6N3KL","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"NCFK4PAZ","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:NCFK4PAZPBR6N3KLDZHZMVLOJH","target":"record","payload":{"canonical_record":{"source":{"id":"1505.07468","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-05-27T20:01:25Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.mtrl-sci","cond-mat.other","cond-mat.str-el"],"title_canon_sha256":"b28846b80833a7a5a2e69418833b1a3ff20b7922830630bc4c1bb280bbf8fa4f","abstract_canon_sha256":"bd2eb4efd17849eb3c7c9d595fb8a3a9431daf31944a7155d97cd133e5ccf6e8"},"schema_version":"1.0"},"canonical_sha256":"688aae3c197863e6ed4b1e4f96556e49dc81b40d77fd4e4ee9a26804b2e0790c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:14:04.235800Z","signature_b64":"OeEDd+L5HRQXH0ZLzf/Qaixf3vDfq5CHbPybWGkfB6AO1b0NxOmHNbr1C2LSFP+abkAdMWUT1G12U97h+GzMDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"688aae3c197863e6ed4b1e4f96556e49dc81b40d77fd4e4ee9a26804b2e0790c","last_reissued_at":"2026-05-18T01:14:04.235239Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:14:04.235239Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.07468","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:14:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F1HtKjYLUR01seXdEDCtZoxqwfh39gAUE4ZAMa3/slO9OJq1UgBAEillUzQqDNy38m8SlxKCxUJueRQ7aIbgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:41:40.551762Z"},"content_sha256":"4eeaf959b8f2e4e4821bd1883c64ea32d44c20462b122bc3870eaf0c704ce083","schema_version":"1.0","event_id":"sha256:4eeaf959b8f2e4e4821bd1883c64ea32d44c20462b122bc3870eaf0c704ce083"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:NCFK4PAZPBR6N3KLDZHZMVLOJH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coulomb drag","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.mtrl-sci","cond-mat.other","cond-mat.str-el"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Levchenko, B.N. Narozhny","submitted_at":"2015-05-27T20:01:25Z","abstract_excerpt":"Coulomb drag is a transport phenomenon whereby long-range Coulomb interaction between charge carriers in two closely spaced but electrically isolated conductors induces a voltage (or, in a closed circuit, a current) in one of the conductors when an electrical current is passed through the other. The magnitude of the effect depends on the exact nature of the charge carriers and microscopic, many-body structure of the electronic systems in the two conductors. Drag measurements have become part of the standard toolbox in condensed matter physics that can be used to study fundamental properties of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.07468","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":""},"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":"2026-05-18T01:14:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4jhL0DqkeNymUU5jH3o5Ci4O0NBx+w1AwIQhAk7U1ydD0BnlhTz/eU8Iy5krf88/HB70ohuyhNpAMUusGLh4DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:41:40.552114Z"},"content_sha256":"14f0b31d559262beea806117c75faa44889f657a04ff3287fe487e2c1c837756","schema_version":"1.0","event_id":"sha256:14f0b31d559262beea806117c75faa44889f657a04ff3287fe487e2c1c837756"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NCFK4PAZPBR6N3KLDZHZMVLOJH/bundle.json","state_url":"https://pith.science/pith/NCFK4PAZPBR6N3KLDZHZMVLOJH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NCFK4PAZPBR6N3KLDZHZMVLOJH/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":"2026-06-02T00:41:40Z","links":{"resolver":"https://pith.science/pith/NCFK4PAZPBR6N3KLDZHZMVLOJH","bundle":"https://pith.science/pith/NCFK4PAZPBR6N3KLDZHZMVLOJH/bundle.json","state":"https://pith.science/pith/NCFK4PAZPBR6N3KLDZHZMVLOJH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NCFK4PAZPBR6N3KLDZHZMVLOJH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:NCFK4PAZPBR6N3KLDZHZMVLOJH","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":"bd2eb4efd17849eb3c7c9d595fb8a3a9431daf31944a7155d97cd133e5ccf6e8","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.mtrl-sci","cond-mat.other","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-05-27T20:01:25Z","title_canon_sha256":"b28846b80833a7a5a2e69418833b1a3ff20b7922830630bc4c1bb280bbf8fa4f"},"schema_version":"1.0","source":{"id":"1505.07468","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.07468","created_at":"2026-05-18T01:14:04Z"},{"alias_kind":"arxiv_version","alias_value":"1505.07468v1","created_at":"2026-05-18T01:14:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.07468","created_at":"2026-05-18T01:14:04Z"},{"alias_kind":"pith_short_12","alias_value":"NCFK4PAZPBR6","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"NCFK4PAZPBR6N3KL","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"NCFK4PAZ","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:14f0b31d559262beea806117c75faa44889f657a04ff3287fe487e2c1c837756","target":"graph","created_at":"2026-05-18T01:14:04Z","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":"Coulomb drag is a transport phenomenon whereby long-range Coulomb interaction between charge carriers in two closely spaced but electrically isolated conductors induces a voltage (or, in a closed circuit, a current) in one of the conductors when an electrical current is passed through the other. The magnitude of the effect depends on the exact nature of the charge carriers and microscopic, many-body structure of the electronic systems in the two conductors. Drag measurements have become part of the standard toolbox in condensed matter physics that can be used to study fundamental properties of","authors_text":"A. Levchenko, B.N. Narozhny","cross_cats":["cond-mat.dis-nn","cond-mat.mtrl-sci","cond-mat.other","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-05-27T20:01:25Z","title":"Coulomb drag"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.07468","kind":"arxiv","version":1},"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":"sha256:4eeaf959b8f2e4e4821bd1883c64ea32d44c20462b122bc3870eaf0c704ce083","target":"record","created_at":"2026-05-18T01:14:04Z","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":"bd2eb4efd17849eb3c7c9d595fb8a3a9431daf31944a7155d97cd133e5ccf6e8","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.mtrl-sci","cond-mat.other","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-05-27T20:01:25Z","title_canon_sha256":"b28846b80833a7a5a2e69418833b1a3ff20b7922830630bc4c1bb280bbf8fa4f"},"schema_version":"1.0","source":{"id":"1505.07468","kind":"arxiv","version":1}},"canonical_sha256":"688aae3c197863e6ed4b1e4f96556e49dc81b40d77fd4e4ee9a26804b2e0790c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"688aae3c197863e6ed4b1e4f96556e49dc81b40d77fd4e4ee9a26804b2e0790c","first_computed_at":"2026-05-18T01:14:04.235239Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:14:04.235239Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OeEDd+L5HRQXH0ZLzf/Qaixf3vDfq5CHbPybWGkfB6AO1b0NxOmHNbr1C2LSFP+abkAdMWUT1G12U97h+GzMDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:14:04.235800Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.07468","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4eeaf959b8f2e4e4821bd1883c64ea32d44c20462b122bc3870eaf0c704ce083","sha256:14f0b31d559262beea806117c75faa44889f657a04ff3287fe487e2c1c837756"],"state_sha256":"829a1fec27de8412cd3d91d9f1e0c7568a42f1e981d48e6cb1c28a503715967d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WtOgz3ryhsWn6MSQMKqXeyerISYdQnYaQYiOuSre1IN+8q5FW6xIwH8o4iIOrLG2WMvc7eKA7cdvbixkZX2SCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T00:41:40.554300Z","bundle_sha256":"2f1f0a657215b1ebdb1c95dece068ad1fcb660874431d44306b482e83315ba21"}}