{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:J46KVV74KN3RPWPDH4EJN7GJ4P","short_pith_number":"pith:J46KVV74","canonical_record":{"source":{"id":"1503.04185","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-03-13T18:45:13Z","cross_cats_sorted":[],"title_canon_sha256":"fa1d0e6a4df8fb10367b7d4286386163088943d28ff8b42169d871800aa184e2","abstract_canon_sha256":"c529b65c1510fc513389df1eea162267949220007ca93203b55c92a1e3ad6aa2"},"schema_version":"1.0"},"canonical_sha256":"4f3caad7fc537717d9e33f0896fcc9e3d1bd7beb47dd8288807f729026e6bcd1","source":{"kind":"arxiv","id":"1503.04185","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.04185","created_at":"2026-05-18T01:29:46Z"},{"alias_kind":"arxiv_version","alias_value":"1503.04185v1","created_at":"2026-05-18T01:29:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.04185","created_at":"2026-05-18T01:29:46Z"},{"alias_kind":"pith_short_12","alias_value":"J46KVV74KN3R","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"J46KVV74KN3RPWPD","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"J46KVV74","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:J46KVV74KN3RPWPDH4EJN7GJ4P","target":"record","payload":{"canonical_record":{"source":{"id":"1503.04185","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-03-13T18:45:13Z","cross_cats_sorted":[],"title_canon_sha256":"fa1d0e6a4df8fb10367b7d4286386163088943d28ff8b42169d871800aa184e2","abstract_canon_sha256":"c529b65c1510fc513389df1eea162267949220007ca93203b55c92a1e3ad6aa2"},"schema_version":"1.0"},"canonical_sha256":"4f3caad7fc537717d9e33f0896fcc9e3d1bd7beb47dd8288807f729026e6bcd1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:29:46.357877Z","signature_b64":"KD5v6FSw/XJrsPypChopvjjGUHJZtA4uWHeqUnMVoj5mvAU/SgJV/lWHccLm6zvt8ugEeaA0ICIU7K2FuHscAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f3caad7fc537717d9e33f0896fcc9e3d1bd7beb47dd8288807f729026e6bcd1","last_reissued_at":"2026-05-18T01:29:46.357163Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:29:46.357163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.04185","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":"2026-05-18T01:29:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6p0ZKmILZcoPJvtjvFZ53oqMa3cC4Asy08hLivqRvWX7YHCvg6DqaiRTXfshJOcL0kp1U6su5d7TmaObD99gBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T17:12:27.112960Z"},"content_sha256":"509b921bf1e83779be062878c3fb4d125ee84aefd62bf4376c648a0c48776d6f","schema_version":"1.0","event_id":"sha256:509b921bf1e83779be062878c3fb4d125ee84aefd62bf4376c648a0c48776d6f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:J46KVV74KN3RPWPDH4EJN7GJ4P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Minimal conductivity, topological Berry winding and duality in three-band semimetals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Andrei A. Fedorenko, David Carpentier, Pierre Delplace, Thibaud Louvet","submitted_at":"2015-03-13T18:45:13Z","abstract_excerpt":"The physics of massless relativistic quantum particles has recently arisen in the electronic properties of solids following the discovery of graphene. Around the accidental crossing of two energy bands, the electronic excitations are described by a Weyl equation initially derived for ultra-relativistic particles. Similar three and four band semimetals have recently been discovered in two and three dimensions. Among the remarkable features of graphene are the characterization of the band crossings by a topological Berry winding, leading to an anomalous quantum Hall effect, and a finite minimal "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.04185","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":"2026-05-18T01:29:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MGi4Zhep13t++ztYR41fDc2eaSpFs1+MR23J2IojlFQlEmrOU7Am7aqZuiRIS9q8fAJ8lvXK1KNuebc5ZzNVAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T17:12:27.113508Z"},"content_sha256":"ef3957f49f1613f579d5ce38253fb70ae2f39520d9703583e8e501a5cc610f08","schema_version":"1.0","event_id":"sha256:ef3957f49f1613f579d5ce38253fb70ae2f39520d9703583e8e501a5cc610f08"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J46KVV74KN3RPWPDH4EJN7GJ4P/bundle.json","state_url":"https://pith.science/pith/J46KVV74KN3RPWPDH4EJN7GJ4P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J46KVV74KN3RPWPDH4EJN7GJ4P/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":"2026-05-30T17:12:27Z","links":{"resolver":"https://pith.science/pith/J46KVV74KN3RPWPDH4EJN7GJ4P","bundle":"https://pith.science/pith/J46KVV74KN3RPWPDH4EJN7GJ4P/bundle.json","state":"https://pith.science/pith/J46KVV74KN3RPWPDH4EJN7GJ4P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J46KVV74KN3RPWPDH4EJN7GJ4P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:J46KVV74KN3RPWPDH4EJN7GJ4P","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":"c529b65c1510fc513389df1eea162267949220007ca93203b55c92a1e3ad6aa2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-03-13T18:45:13Z","title_canon_sha256":"fa1d0e6a4df8fb10367b7d4286386163088943d28ff8b42169d871800aa184e2"},"schema_version":"1.0","source":{"id":"1503.04185","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.04185","created_at":"2026-05-18T01:29:46Z"},{"alias_kind":"arxiv_version","alias_value":"1503.04185v1","created_at":"2026-05-18T01:29:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.04185","created_at":"2026-05-18T01:29:46Z"},{"alias_kind":"pith_short_12","alias_value":"J46KVV74KN3R","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"J46KVV74KN3RPWPD","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"J46KVV74","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:ef3957f49f1613f579d5ce38253fb70ae2f39520d9703583e8e501a5cc610f08","target":"graph","created_at":"2026-05-18T01:29:46Z","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 physics of massless relativistic quantum particles has recently arisen in the electronic properties of solids following the discovery of graphene. Around the accidental crossing of two energy bands, the electronic excitations are described by a Weyl equation initially derived for ultra-relativistic particles. Similar three and four band semimetals have recently been discovered in two and three dimensions. Among the remarkable features of graphene are the characterization of the band crossings by a topological Berry winding, leading to an anomalous quantum Hall effect, and a finite minimal ","authors_text":"Andrei A. Fedorenko, David Carpentier, Pierre Delplace, Thibaud Louvet","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-03-13T18:45:13Z","title":"Minimal conductivity, topological Berry winding and duality in three-band semimetals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.04185","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":"sha256:509b921bf1e83779be062878c3fb4d125ee84aefd62bf4376c648a0c48776d6f","target":"record","created_at":"2026-05-18T01:29:46Z","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":"c529b65c1510fc513389df1eea162267949220007ca93203b55c92a1e3ad6aa2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-03-13T18:45:13Z","title_canon_sha256":"fa1d0e6a4df8fb10367b7d4286386163088943d28ff8b42169d871800aa184e2"},"schema_version":"1.0","source":{"id":"1503.04185","kind":"arxiv","version":1}},"canonical_sha256":"4f3caad7fc537717d9e33f0896fcc9e3d1bd7beb47dd8288807f729026e6bcd1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f3caad7fc537717d9e33f0896fcc9e3d1bd7beb47dd8288807f729026e6bcd1","first_computed_at":"2026-05-18T01:29:46.357163Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:29:46.357163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KD5v6FSw/XJrsPypChopvjjGUHJZtA4uWHeqUnMVoj5mvAU/SgJV/lWHccLm6zvt8ugEeaA0ICIU7K2FuHscAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:29:46.357877Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.04185","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:509b921bf1e83779be062878c3fb4d125ee84aefd62bf4376c648a0c48776d6f","sha256:ef3957f49f1613f579d5ce38253fb70ae2f39520d9703583e8e501a5cc610f08"],"state_sha256":"66a40eb0c5a7968853141231da0de62cd1a3f07bd6af7bc51967949f8dea84b4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DYmgAwgC7d63emvCfA5ZKWAmEAXKEmiGHcdzg2TNG3+XGrNBNETBIOR3qciJvAmxG7F0Yig55zOzSY30viRKAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T17:12:27.116219Z","bundle_sha256":"33fb67754f0fdb3dcee45ae5ab4dee85f062cd2585b49102b254e6eee8ef3dac"}}