{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:6JVW7C72UITVBFPYX3ZU4ZQ2LD","short_pith_number":"pith:6JVW7C72","canonical_record":{"source":{"id":"2502.07420","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-11T09:56:47Z","cross_cats_sorted":[],"title_canon_sha256":"52bfe92edae36d833b6d6ab6687b9652f1efe8cdbac9b38eb224279970844c51","abstract_canon_sha256":"7417d42c7a77d8a63ee02d4debd34602f05f2f5fb11003b556f19806b1a8eb80"},"schema_version":"1.0"},"canonical_sha256":"f26b6f8bfaa2275095f8bef34e661a58dc468f2c9ba2564e0daba4025cfe3235","source":{"kind":"arxiv","id":"2502.07420","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.07420","created_at":"2026-07-05T10:12:37Z"},{"alias_kind":"arxiv_version","alias_value":"2502.07420v1","created_at":"2026-07-05T10:12:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.07420","created_at":"2026-07-05T10:12:37Z"},{"alias_kind":"pith_short_12","alias_value":"6JVW7C72UITV","created_at":"2026-07-05T10:12:37Z"},{"alias_kind":"pith_short_16","alias_value":"6JVW7C72UITVBFPY","created_at":"2026-07-05T10:12:37Z"},{"alias_kind":"pith_short_8","alias_value":"6JVW7C72","created_at":"2026-07-05T10:12:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:6JVW7C72UITVBFPYX3ZU4ZQ2LD","target":"record","payload":{"canonical_record":{"source":{"id":"2502.07420","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-11T09:56:47Z","cross_cats_sorted":[],"title_canon_sha256":"52bfe92edae36d833b6d6ab6687b9652f1efe8cdbac9b38eb224279970844c51","abstract_canon_sha256":"7417d42c7a77d8a63ee02d4debd34602f05f2f5fb11003b556f19806b1a8eb80"},"schema_version":"1.0"},"canonical_sha256":"f26b6f8bfaa2275095f8bef34e661a58dc468f2c9ba2564e0daba4025cfe3235","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:12:37.176639Z","signature_b64":"UrQ3wGEGkD62PcEuKpORUblkV2R0hOURGlu/fb/uhpFm/UdUUJ4DNZxc6GPNjoMwDOZmMSJUXy4RtG9YjCG2BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f26b6f8bfaa2275095f8bef34e661a58dc468f2c9ba2564e0daba4025cfe3235","last_reissued_at":"2026-07-05T10:12:37.176238Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:12:37.176238Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.07420","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":"2026-07-05T10:12:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K+/U9RNvKiMHqa1hSNtJppflOaqUa/jNlOvywgjcjnwmvnChlwG79IQBJl7IYM1RGt/TVn0RKY+DrM75qDwnAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T13:11:09.551222Z"},"content_sha256":"da3b990a198bda29be037ed353c3cb9e8b29809a0f987e13005ecbda48c5e71f","schema_version":"1.0","event_id":"sha256:da3b990a198bda29be037ed353c3cb9e8b29809a0f987e13005ecbda48c5e71f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:6JVW7C72UITVBFPYX3ZU4ZQ2LD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Origins of the anomalous Hall conductivity in the symmetry enforced Fe3GeTe2 nodal-line ferromagnet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Haim Beidenkopf, I\\~nigo Robredo, Maia G. Vergniory, Mikel Garc\\'ia-D\\'iez","submitted_at":"2025-02-11T09:56:47Z","abstract_excerpt":"Fe$_3$GeTe$_2$ has gained attention in the condensed matter community for its potential to be exfoliated into thin films with ferromagnetic (FM) order, thanks to its van der Waals layered structure and significant intrinsic anomalous Hall conductivity (AHC). In this work, we analyze the electronic structure and show that, contrary to prior claims, the bulk of the AHC cannot arise from gapped nodal lines. By studying the material's symmetry properties, both with and without spin-orbit coupling (SOC) and across paramagnetic and FM phases, we find that Fe$_3$GeTe$_2$ hosts mirror-symmetry-protect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.07420","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2502.07420/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:12:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H33ZBEQPx5nOxsCKnIhfvZIRidd0AhQVlBmjV7T/LFHQDcLdzIwOJ6EEnPuGeG8VsTaSZ42MLTrfDJZ/jyAxCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T13:11:09.552997Z"},"content_sha256":"b634c440a0a2b09d79a52314203466b984ccd9558abd4f57430563c2b78c5df0","schema_version":"1.0","event_id":"sha256:b634c440a0a2b09d79a52314203466b984ccd9558abd4f57430563c2b78c5df0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6JVW7C72UITVBFPYX3ZU4ZQ2LD/bundle.json","state_url":"https://pith.science/pith/6JVW7C72UITVBFPYX3ZU4ZQ2LD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6JVW7C72UITVBFPYX3ZU4ZQ2LD/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":"2026-08-14T13:11:09Z","links":{"resolver":"https://pith.science/pith/6JVW7C72UITVBFPYX3ZU4ZQ2LD","bundle":"https://pith.science/pith/6JVW7C72UITVBFPYX3ZU4ZQ2LD/bundle.json","state":"https://pith.science/pith/6JVW7C72UITVBFPYX3ZU4ZQ2LD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6JVW7C72UITVBFPYX3ZU4ZQ2LD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:6JVW7C72UITVBFPYX3ZU4ZQ2LD","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":"7417d42c7a77d8a63ee02d4debd34602f05f2f5fb11003b556f19806b1a8eb80","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-11T09:56:47Z","title_canon_sha256":"52bfe92edae36d833b6d6ab6687b9652f1efe8cdbac9b38eb224279970844c51"},"schema_version":"1.0","source":{"id":"2502.07420","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.07420","created_at":"2026-07-05T10:12:37Z"},{"alias_kind":"arxiv_version","alias_value":"2502.07420v1","created_at":"2026-07-05T10:12:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.07420","created_at":"2026-07-05T10:12:37Z"},{"alias_kind":"pith_short_12","alias_value":"6JVW7C72UITV","created_at":"2026-07-05T10:12:37Z"},{"alias_kind":"pith_short_16","alias_value":"6JVW7C72UITVBFPY","created_at":"2026-07-05T10:12:37Z"},{"alias_kind":"pith_short_8","alias_value":"6JVW7C72","created_at":"2026-07-05T10:12:37Z"}],"graph_snapshots":[{"event_id":"sha256:b634c440a0a2b09d79a52314203466b984ccd9558abd4f57430563c2b78c5df0","target":"graph","created_at":"2026-07-05T10:12:37Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2502.07420/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fe$_3$GeTe$_2$ has gained attention in the condensed matter community for its potential to be exfoliated into thin films with ferromagnetic (FM) order, thanks to its van der Waals layered structure and significant intrinsic anomalous Hall conductivity (AHC). In this work, we analyze the electronic structure and show that, contrary to prior claims, the bulk of the AHC cannot arise from gapped nodal lines. By studying the material's symmetry properties, both with and without spin-orbit coupling (SOC) and across paramagnetic and FM phases, we find that Fe$_3$GeTe$_2$ hosts mirror-symmetry-protect","authors_text":"Haim Beidenkopf, I\\~nigo Robredo, Maia G. Vergniory, Mikel Garc\\'ia-D\\'iez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-11T09:56:47Z","title":"Origins of the anomalous Hall conductivity in the symmetry enforced Fe3GeTe2 nodal-line ferromagnet"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.07420","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:da3b990a198bda29be037ed353c3cb9e8b29809a0f987e13005ecbda48c5e71f","target":"record","created_at":"2026-07-05T10:12:37Z","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":"7417d42c7a77d8a63ee02d4debd34602f05f2f5fb11003b556f19806b1a8eb80","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-11T09:56:47Z","title_canon_sha256":"52bfe92edae36d833b6d6ab6687b9652f1efe8cdbac9b38eb224279970844c51"},"schema_version":"1.0","source":{"id":"2502.07420","kind":"arxiv","version":1}},"canonical_sha256":"f26b6f8bfaa2275095f8bef34e661a58dc468f2c9ba2564e0daba4025cfe3235","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f26b6f8bfaa2275095f8bef34e661a58dc468f2c9ba2564e0daba4025cfe3235","first_computed_at":"2026-07-05T10:12:37.176238Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:12:37.176238Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UrQ3wGEGkD62PcEuKpORUblkV2R0hOURGlu/fb/uhpFm/UdUUJ4DNZxc6GPNjoMwDOZmMSJUXy4RtG9YjCG2BA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:12:37.176639Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.07420","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da3b990a198bda29be037ed353c3cb9e8b29809a0f987e13005ecbda48c5e71f","sha256:b634c440a0a2b09d79a52314203466b984ccd9558abd4f57430563c2b78c5df0"],"state_sha256":"27a648f4febe92a8be5a53ce84126e048dc2bacb89839bd67bfddf01dce433e3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b2gVz7j8G+HEdpFtucW68O/CYPFXWQKkbEm/gSls4pbyDwokPw8TnmwOEiBWUcalF6Z6L+mNzCbM0kdqMvBVCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T13:11:09.560554Z","bundle_sha256":"1d9428ddc876f22acc331a470d84ffeb3c9a12003a9c40f1f7b23cf8b58f1a19"}}