{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:CS6F5T7VGA3EJQTPKSIMIGSNVR","short_pith_number":"pith:CS6F5T7V","canonical_record":{"source":{"id":"0903.1690","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-03-10T05:51:27Z","cross_cats_sorted":[],"title_canon_sha256":"0683eeb3c6d515afec2fd93b5422a71f73772f72899728ee995971f6f000be7a","abstract_canon_sha256":"1d94a72712900304f5c926c114cb58326fa96cb70405e99d4ed8ed67eddd2108"},"schema_version":"1.0"},"canonical_sha256":"14bc5ecff5303644c26f5490c41a4dac742bc75a310d51376816a12b403b939f","source":{"kind":"arxiv","id":"0903.1690","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0903.1690","created_at":"2026-05-18T02:14:36Z"},{"alias_kind":"arxiv_version","alias_value":"0903.1690v2","created_at":"2026-05-18T02:14:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.1690","created_at":"2026-05-18T02:14:36Z"},{"alias_kind":"pith_short_12","alias_value":"CS6F5T7VGA3E","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"CS6F5T7VGA3EJQTP","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"CS6F5T7V","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:CS6F5T7VGA3EJQTPKSIMIGSNVR","target":"record","payload":{"canonical_record":{"source":{"id":"0903.1690","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-03-10T05:51:27Z","cross_cats_sorted":[],"title_canon_sha256":"0683eeb3c6d515afec2fd93b5422a71f73772f72899728ee995971f6f000be7a","abstract_canon_sha256":"1d94a72712900304f5c926c114cb58326fa96cb70405e99d4ed8ed67eddd2108"},"schema_version":"1.0"},"canonical_sha256":"14bc5ecff5303644c26f5490c41a4dac742bc75a310d51376816a12b403b939f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:36.304199Z","signature_b64":"jrKV+qd/Bemi4fCxOd7yYRTWj+kalzYRq7TGRg/3bx8uf7uu/Wwqel/A/p9f5WCRhbvgLm8kbZjoy3Y1UpDOCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"14bc5ecff5303644c26f5490c41a4dac742bc75a310d51376816a12b403b939f","last_reissued_at":"2026-05-18T02:14:36.303601Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:36.303601Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0903.1690","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":"2026-05-18T02:14:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5yNHvWOyPZsJLA7SKRfErMUROHwSNUeQ5khJuQoKaDP32m5zE5C/6BxCTDnQKx05hD+sC+RU1vN2DgYgdrifDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T14:42:46.602661Z"},"content_sha256":"50b6ebd54ead48db7f6deaa1e1e0a9ba4bab19d316ddba67ae54c2e627253034","schema_version":"1.0","event_id":"sha256:50b6ebd54ead48db7f6deaa1e1e0a9ba4bab19d316ddba67ae54c2e627253034"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:CS6F5T7VGA3EJQTPKSIMIGSNVR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic field screening and mirroring in graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Mikito Koshino, Tsuneya Ando, Yasunori Arimura","submitted_at":"2009-03-10T05:51:27Z","abstract_excerpt":"The orbital magnetism in spatially varying magnetic fields is studied in monolayer graphene within the effective mass approximation. We find that, unlike the conventional two-dimensional electron system, graphene with small Fermi wave number k_F works as a magnetic shield where the field produced by a magnetic object placed above graphene is always screened by a constant factor on the other side of graphene. The object is repelled by a diamagnetic force from the graphene, as if there exists its mirror image with a reduced amplitude on the other side of graphene. The magnitude of the force is m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.1690","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":"2026-05-18T02:14:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PNHNYatDQsSi4j7Hu1YjWGswGdr+GFWdwA1jbtcD/ES84QA7g+4fbL14v9Vfo8Suz9+HzA6Q9eIBDm2rJPJXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T14:42:46.603333Z"},"content_sha256":"3bb3a49ccbc41fe464045adb963179a8f1e6ac09da3e765e16a5c9250c4ae4eb","schema_version":"1.0","event_id":"sha256:3bb3a49ccbc41fe464045adb963179a8f1e6ac09da3e765e16a5c9250c4ae4eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CS6F5T7VGA3EJQTPKSIMIGSNVR/bundle.json","state_url":"https://pith.science/pith/CS6F5T7VGA3EJQTPKSIMIGSNVR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CS6F5T7VGA3EJQTPKSIMIGSNVR/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":"2026-06-06T14:42:46Z","links":{"resolver":"https://pith.science/pith/CS6F5T7VGA3EJQTPKSIMIGSNVR","bundle":"https://pith.science/pith/CS6F5T7VGA3EJQTPKSIMIGSNVR/bundle.json","state":"https://pith.science/pith/CS6F5T7VGA3EJQTPKSIMIGSNVR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CS6F5T7VGA3EJQTPKSIMIGSNVR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:CS6F5T7VGA3EJQTPKSIMIGSNVR","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":"1d94a72712900304f5c926c114cb58326fa96cb70405e99d4ed8ed67eddd2108","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-03-10T05:51:27Z","title_canon_sha256":"0683eeb3c6d515afec2fd93b5422a71f73772f72899728ee995971f6f000be7a"},"schema_version":"1.0","source":{"id":"0903.1690","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0903.1690","created_at":"2026-05-18T02:14:36Z"},{"alias_kind":"arxiv_version","alias_value":"0903.1690v2","created_at":"2026-05-18T02:14:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.1690","created_at":"2026-05-18T02:14:36Z"},{"alias_kind":"pith_short_12","alias_value":"CS6F5T7VGA3E","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"CS6F5T7VGA3EJQTP","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"CS6F5T7V","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:3bb3a49ccbc41fe464045adb963179a8f1e6ac09da3e765e16a5c9250c4ae4eb","target":"graph","created_at":"2026-05-18T02:14:36Z","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 orbital magnetism in spatially varying magnetic fields is studied in monolayer graphene within the effective mass approximation. We find that, unlike the conventional two-dimensional electron system, graphene with small Fermi wave number k_F works as a magnetic shield where the field produced by a magnetic object placed above graphene is always screened by a constant factor on the other side of graphene. The object is repelled by a diamagnetic force from the graphene, as if there exists its mirror image with a reduced amplitude on the other side of graphene. The magnitude of the force is m","authors_text":"Mikito Koshino, Tsuneya Ando, Yasunori Arimura","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-03-10T05:51:27Z","title":"Magnetic field screening and mirroring in graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.1690","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":"sha256:50b6ebd54ead48db7f6deaa1e1e0a9ba4bab19d316ddba67ae54c2e627253034","target":"record","created_at":"2026-05-18T02:14:36Z","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":"1d94a72712900304f5c926c114cb58326fa96cb70405e99d4ed8ed67eddd2108","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-03-10T05:51:27Z","title_canon_sha256":"0683eeb3c6d515afec2fd93b5422a71f73772f72899728ee995971f6f000be7a"},"schema_version":"1.0","source":{"id":"0903.1690","kind":"arxiv","version":2}},"canonical_sha256":"14bc5ecff5303644c26f5490c41a4dac742bc75a310d51376816a12b403b939f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"14bc5ecff5303644c26f5490c41a4dac742bc75a310d51376816a12b403b939f","first_computed_at":"2026-05-18T02:14:36.303601Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:14:36.303601Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jrKV+qd/Bemi4fCxOd7yYRTWj+kalzYRq7TGRg/3bx8uf7uu/Wwqel/A/p9f5WCRhbvgLm8kbZjoy3Y1UpDOCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:14:36.304199Z","signed_message":"canonical_sha256_bytes"},"source_id":"0903.1690","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:50b6ebd54ead48db7f6deaa1e1e0a9ba4bab19d316ddba67ae54c2e627253034","sha256:3bb3a49ccbc41fe464045adb963179a8f1e6ac09da3e765e16a5c9250c4ae4eb"],"state_sha256":"e0888582eabe2713963937e14b1007c97b12cedd951340065dbf712f1ee2716a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MIJ4UsnLe1hRvyaIkEkssfvddNn7Oa5hT2cet/XVUzqwtHF0HL+yh2nAQZE6apHZ5cx3K7gDunfdNSYi+mA1Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T14:42:46.606687Z","bundle_sha256":"4c204ca2a5fdcecaa35cd7effdf318867bbc4d17527642bec8b9a60baaf8ff7a"}}