{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:VORQ6PGF2UU77U7VGAX4XXQDBW","short_pith_number":"pith:VORQ6PGF","canonical_record":{"source":{"id":"1810.13079","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-10-31T02:35:23Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"41f88290472068d9c65aae751589d8e9c425b3c6841dac0f6fa1109c95c13487","abstract_canon_sha256":"406ed9e329ce7697d00d78203c27e93fc18ba0fff1cd6460a33886b1d11f6353"},"schema_version":"1.0"},"canonical_sha256":"aba30f3cc5d529ffd3f5302fcbde030dae2c228b52e0807e487389051e108bd7","source":{"kind":"arxiv","id":"1810.13079","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.13079","created_at":"2026-05-17T23:57:02Z"},{"alias_kind":"arxiv_version","alias_value":"1810.13079v1","created_at":"2026-05-17T23:57:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.13079","created_at":"2026-05-17T23:57:02Z"},{"alias_kind":"pith_short_12","alias_value":"VORQ6PGF2UU7","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VORQ6PGF2UU77U7V","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VORQ6PGF","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:VORQ6PGF2UU77U7VGAX4XXQDBW","target":"record","payload":{"canonical_record":{"source":{"id":"1810.13079","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-10-31T02:35:23Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"41f88290472068d9c65aae751589d8e9c425b3c6841dac0f6fa1109c95c13487","abstract_canon_sha256":"406ed9e329ce7697d00d78203c27e93fc18ba0fff1cd6460a33886b1d11f6353"},"schema_version":"1.0"},"canonical_sha256":"aba30f3cc5d529ffd3f5302fcbde030dae2c228b52e0807e487389051e108bd7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:02.511274Z","signature_b64":"INVlvFIZOnkq5f8S0lhPMSSY5voBpouavtosW8eQ0+Dg9fZRKVN6fmME/BgygCbMaDON301onfprt4zjTFvvCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aba30f3cc5d529ffd3f5302fcbde030dae2c228b52e0807e487389051e108bd7","last_reissued_at":"2026-05-17T23:57:02.510846Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:02.510846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.13079","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":"2026-05-17T23:57:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aW7zoV/ZjmKFlNhNyM9ZQPkbrljpFcwxXpatCKqSDzcY8QBJ6wmK4MJs4oc0vYyPWl+2llzGwYX9x37JWHzCBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T06:00:07.729381Z"},"content_sha256":"b7d000af2ff00154ae96990621252f016dd5af2a250900bad64be80be808cfe4","schema_version":"1.0","event_id":"sha256:b7d000af2ff00154ae96990621252f016dd5af2a250900bad64be80be808cfe4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:VORQ6PGF2UU77U7VGAX4XXQDBW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anisotropy of Dirac cones and van Hove singularity in an organic Dirac fermion system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Ayaka Mori, Kazuhito Uchida, Mitsuyuki Sato, Takako Konoike, Takeshi Yajima, Toshihito Osada","submitted_at":"2018-10-31T02:35:23Z","abstract_excerpt":"We propose an experimental method to examine the in-plane anisotropy of electronic structure in layered conductors. In the method, we measure the interlayer magnetoresistance as a function of in-plane magnetic field orientation. We applied it to an organic Dirac fermion system a-(BEDT-TTF)2I3 to experimentally determine the orientation of the anisotropic Dirac cones. It is concluded that the long axis of the elliptic constant-energy contours of the Dirac cone is tilted by approximately -30 deg from the crystalline a-axis to b-axis under hydrostatic pressures. Additionally, we observed a signat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.13079","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":"2026-05-17T23:57:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O96xNiNFhj3AeuSv5uiPjXUzM27pRaae7eBBlrbHMWGHmClt//5wbK6Xip8kpxuvf53BjFViBEiJPKkf3QKZAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T06:00:07.729987Z"},"content_sha256":"00ce8b30ed85447dd1202617f927a2980245a55b3e7c8e939776b8b8ffec457b","schema_version":"1.0","event_id":"sha256:00ce8b30ed85447dd1202617f927a2980245a55b3e7c8e939776b8b8ffec457b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VORQ6PGF2UU77U7VGAX4XXQDBW/bundle.json","state_url":"https://pith.science/pith/VORQ6PGF2UU77U7VGAX4XXQDBW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VORQ6PGF2UU77U7VGAX4XXQDBW/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":"2026-06-07T06:00:07Z","links":{"resolver":"https://pith.science/pith/VORQ6PGF2UU77U7VGAX4XXQDBW","bundle":"https://pith.science/pith/VORQ6PGF2UU77U7VGAX4XXQDBW/bundle.json","state":"https://pith.science/pith/VORQ6PGF2UU77U7VGAX4XXQDBW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VORQ6PGF2UU77U7VGAX4XXQDBW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VORQ6PGF2UU77U7VGAX4XXQDBW","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":"406ed9e329ce7697d00d78203c27e93fc18ba0fff1cd6460a33886b1d11f6353","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-10-31T02:35:23Z","title_canon_sha256":"41f88290472068d9c65aae751589d8e9c425b3c6841dac0f6fa1109c95c13487"},"schema_version":"1.0","source":{"id":"1810.13079","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.13079","created_at":"2026-05-17T23:57:02Z"},{"alias_kind":"arxiv_version","alias_value":"1810.13079v1","created_at":"2026-05-17T23:57:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.13079","created_at":"2026-05-17T23:57:02Z"},{"alias_kind":"pith_short_12","alias_value":"VORQ6PGF2UU7","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VORQ6PGF2UU77U7V","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VORQ6PGF","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:00ce8b30ed85447dd1202617f927a2980245a55b3e7c8e939776b8b8ffec457b","target":"graph","created_at":"2026-05-17T23:57:02Z","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 propose an experimental method to examine the in-plane anisotropy of electronic structure in layered conductors. In the method, we measure the interlayer magnetoresistance as a function of in-plane magnetic field orientation. We applied it to an organic Dirac fermion system a-(BEDT-TTF)2I3 to experimentally determine the orientation of the anisotropic Dirac cones. It is concluded that the long axis of the elliptic constant-energy contours of the Dirac cone is tilted by approximately -30 deg from the crystalline a-axis to b-axis under hydrostatic pressures. Additionally, we observed a signat","authors_text":"Ayaka Mori, Kazuhito Uchida, Mitsuyuki Sato, Takako Konoike, Takeshi Yajima, Toshihito Osada","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-10-31T02:35:23Z","title":"Anisotropy of Dirac cones and van Hove singularity in an organic Dirac fermion system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.13079","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:b7d000af2ff00154ae96990621252f016dd5af2a250900bad64be80be808cfe4","target":"record","created_at":"2026-05-17T23:57:02Z","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":"406ed9e329ce7697d00d78203c27e93fc18ba0fff1cd6460a33886b1d11f6353","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-10-31T02:35:23Z","title_canon_sha256":"41f88290472068d9c65aae751589d8e9c425b3c6841dac0f6fa1109c95c13487"},"schema_version":"1.0","source":{"id":"1810.13079","kind":"arxiv","version":1}},"canonical_sha256":"aba30f3cc5d529ffd3f5302fcbde030dae2c228b52e0807e487389051e108bd7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aba30f3cc5d529ffd3f5302fcbde030dae2c228b52e0807e487389051e108bd7","first_computed_at":"2026-05-17T23:57:02.510846Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:02.510846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"INVlvFIZOnkq5f8S0lhPMSSY5voBpouavtosW8eQ0+Dg9fZRKVN6fmME/BgygCbMaDON301onfprt4zjTFvvCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:02.511274Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.13079","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b7d000af2ff00154ae96990621252f016dd5af2a250900bad64be80be808cfe4","sha256:00ce8b30ed85447dd1202617f927a2980245a55b3e7c8e939776b8b8ffec457b"],"state_sha256":"7138f637bcfcfc2f089714a7974445b5bec2598b6be8fb70960988307a3df243"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"84qxceLWqchPlyP15c3NiHiVTzHMua5JtalXxUtBzsRApftV2OZkqIgTBzhaM3Q5Td5CFCBSXLv5gIOGzHTBBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T06:00:07.733248Z","bundle_sha256":"5da46cbffd6d1afcd77b0e41dd5a1204889d4a8c980fba4c4c561a1dbe1c1e49"}}