{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:KM42ZC7XH3DNE6GF4XOON5OVDW","short_pith_number":"pith:KM42ZC7X","canonical_record":{"source":{"id":"1111.2076","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-11-08T23:00:12Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.other"],"title_canon_sha256":"e8f4b28c9c06bc3699c034c98e2865154bd80e50622d5cf63978ed84f5656269","abstract_canon_sha256":"cdc8fb7cd15ea65b8397f5f347b028c03b4cf63cfcea608a9bd4ed58dce0434f"},"schema_version":"1.0"},"canonical_sha256":"5339ac8bf73ec6d278c5e5dce6f5d51d9bb40f2355020b74a2aee65c75de16cc","source":{"kind":"arxiv","id":"1111.2076","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.2076","created_at":"2026-05-18T03:44:13Z"},{"alias_kind":"arxiv_version","alias_value":"1111.2076v2","created_at":"2026-05-18T03:44:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.2076","created_at":"2026-05-18T03:44:13Z"},{"alias_kind":"pith_short_12","alias_value":"KM42ZC7XH3DN","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"KM42ZC7XH3DNE6GF","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"KM42ZC7X","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:KM42ZC7XH3DNE6GF4XOON5OVDW","target":"record","payload":{"canonical_record":{"source":{"id":"1111.2076","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-11-08T23:00:12Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.other"],"title_canon_sha256":"e8f4b28c9c06bc3699c034c98e2865154bd80e50622d5cf63978ed84f5656269","abstract_canon_sha256":"cdc8fb7cd15ea65b8397f5f347b028c03b4cf63cfcea608a9bd4ed58dce0434f"},"schema_version":"1.0"},"canonical_sha256":"5339ac8bf73ec6d278c5e5dce6f5d51d9bb40f2355020b74a2aee65c75de16cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:44:13.650405Z","signature_b64":"pq4lU8iSdFA9covIApSQEyRy6mKofvmT2hz9pfBe5NihaxAwOalkuBVH0TA9wCFx2Ne0hvpdlCtehcp/LqP1Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5339ac8bf73ec6d278c5e5dce6f5d51d9bb40f2355020b74a2aee65c75de16cc","last_reissued_at":"2026-05-18T03:44:13.649869Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:44:13.649869Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.2076","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":"2026-05-18T03:44:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z1+qr5LNDWMQVGTdxnxbnRMK0Cz+8Nd4KNfYO7vxxa0f2oFkuo9iQHN+cxtzddFVwpJZlCHGpr0UgEg9opfEBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T19:06:32.060819Z"},"content_sha256":"04822ac99b4efe51914fb38e7d174e2aaea05a1b366bc6ff54861d0a1a6453b1","schema_version":"1.0","event_id":"sha256:04822ac99b4efe51914fb38e7d174e2aaea05a1b366bc6ff54861d0a1a6453b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:KM42ZC7XH3DNE6GF4XOON5OVDW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fermions on bilayer graphene: symmetry breaking for B=0 and nu=0","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.other"],"primary_cat":"cond-mat.str-el","authors_text":"Oskar Vafek, Robert E. Throckmorton","submitted_at":"2011-11-08T23:00:12Z","abstract_excerpt":"We extend previous analyses of fermions on a honeycomb bilayer lattice via weak-coupling renormalization group (RG) methods with extremely short-range and extremely long-range interactions to the case of finite-range interactions. In particular, we consider different types of interactions including screened Coulomb interactions, much like those produced by a point charge placed either above a single infinite conducting plate or exactly halfway between two parallel infinite conducting plates. Our considerations are motivated by the fact that, in some recent experiments on bilayer graphene there"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.2076","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":"2026-05-18T03:44:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hSCWJTKa5qmrjdz5sFlsx85XtwjU84T0iBj8TGUvAzps1ICVCH3yTfDl11NN7LKQtCpqSdf4doj1TUpXWx7CDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T19:06:32.061174Z"},"content_sha256":"ff494b9d18ba5c86ee952bdbc962a3d59f206e9d270d9bbe67b1ec73e39f1857","schema_version":"1.0","event_id":"sha256:ff494b9d18ba5c86ee952bdbc962a3d59f206e9d270d9bbe67b1ec73e39f1857"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KM42ZC7XH3DNE6GF4XOON5OVDW/bundle.json","state_url":"https://pith.science/pith/KM42ZC7XH3DNE6GF4XOON5OVDW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KM42ZC7XH3DNE6GF4XOON5OVDW/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":"2026-06-10T19:06:32Z","links":{"resolver":"https://pith.science/pith/KM42ZC7XH3DNE6GF4XOON5OVDW","bundle":"https://pith.science/pith/KM42ZC7XH3DNE6GF4XOON5OVDW/bundle.json","state":"https://pith.science/pith/KM42ZC7XH3DNE6GF4XOON5OVDW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KM42ZC7XH3DNE6GF4XOON5OVDW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:KM42ZC7XH3DNE6GF4XOON5OVDW","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":"cdc8fb7cd15ea65b8397f5f347b028c03b4cf63cfcea608a9bd4ed58dce0434f","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-11-08T23:00:12Z","title_canon_sha256":"e8f4b28c9c06bc3699c034c98e2865154bd80e50622d5cf63978ed84f5656269"},"schema_version":"1.0","source":{"id":"1111.2076","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.2076","created_at":"2026-05-18T03:44:13Z"},{"alias_kind":"arxiv_version","alias_value":"1111.2076v2","created_at":"2026-05-18T03:44:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.2076","created_at":"2026-05-18T03:44:13Z"},{"alias_kind":"pith_short_12","alias_value":"KM42ZC7XH3DN","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"KM42ZC7XH3DNE6GF","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"KM42ZC7X","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:ff494b9d18ba5c86ee952bdbc962a3d59f206e9d270d9bbe67b1ec73e39f1857","target":"graph","created_at":"2026-05-18T03:44:13Z","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 extend previous analyses of fermions on a honeycomb bilayer lattice via weak-coupling renormalization group (RG) methods with extremely short-range and extremely long-range interactions to the case of finite-range interactions. In particular, we consider different types of interactions including screened Coulomb interactions, much like those produced by a point charge placed either above a single infinite conducting plate or exactly halfway between two parallel infinite conducting plates. Our considerations are motivated by the fact that, in some recent experiments on bilayer graphene there","authors_text":"Oskar Vafek, Robert E. Throckmorton","cross_cats":["cond-mat.mes-hall","cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-11-08T23:00:12Z","title":"Fermions on bilayer graphene: symmetry breaking for B=0 and nu=0"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.2076","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":"sha256:04822ac99b4efe51914fb38e7d174e2aaea05a1b366bc6ff54861d0a1a6453b1","target":"record","created_at":"2026-05-18T03:44:13Z","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":"cdc8fb7cd15ea65b8397f5f347b028c03b4cf63cfcea608a9bd4ed58dce0434f","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-11-08T23:00:12Z","title_canon_sha256":"e8f4b28c9c06bc3699c034c98e2865154bd80e50622d5cf63978ed84f5656269"},"schema_version":"1.0","source":{"id":"1111.2076","kind":"arxiv","version":2}},"canonical_sha256":"5339ac8bf73ec6d278c5e5dce6f5d51d9bb40f2355020b74a2aee65c75de16cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5339ac8bf73ec6d278c5e5dce6f5d51d9bb40f2355020b74a2aee65c75de16cc","first_computed_at":"2026-05-18T03:44:13.649869Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:44:13.649869Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pq4lU8iSdFA9covIApSQEyRy6mKofvmT2hz9pfBe5NihaxAwOalkuBVH0TA9wCFx2Ne0hvpdlCtehcp/LqP1Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:44:13.650405Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.2076","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:04822ac99b4efe51914fb38e7d174e2aaea05a1b366bc6ff54861d0a1a6453b1","sha256:ff494b9d18ba5c86ee952bdbc962a3d59f206e9d270d9bbe67b1ec73e39f1857"],"state_sha256":"2e71ff35c60a099eee3f4f5b1f8d421ab59df5cca25edcb63b26d6cbeda4872e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/J8VONwmq68u3Kh6hZNCMiqZYTI1407YY+bdqxizciX/qCdky0kqluBVha/etC+fSWIV5s2Mez/6/UeKBBbRBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T19:06:32.063123Z","bundle_sha256":"23cb5199754fd435a4db4c77fda99386d64330dc42b318ab11387bbd6d6369dd"}}