{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:YIVWJYKPZNW7WORNAA2CE2ENLT","short_pith_number":"pith:YIVWJYKP","canonical_record":{"source":{"id":"2606.19785","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-18T04:40:18Z","cross_cats_sorted":[],"title_canon_sha256":"888cf45eb1ce004323dd2c9780786d02a3e5a777caa04d8ffd16e70ea5d8f0e3","abstract_canon_sha256":"ee8f54a41fabb6c4eed2db4d4824e1e535c67082162320b739be606acf268f52"},"schema_version":"1.0"},"canonical_sha256":"c22b64e14fcb6dfb3a2d003422688d5ce694da39253d0941b015c1ac0dcfb671","source":{"kind":"arxiv","id":"2606.19785","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.19785","created_at":"2026-06-19T16:12:35Z"},{"alias_kind":"arxiv_version","alias_value":"2606.19785v1","created_at":"2026-06-19T16:12:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.19785","created_at":"2026-06-19T16:12:35Z"},{"alias_kind":"pith_short_12","alias_value":"YIVWJYKPZNW7","created_at":"2026-06-19T16:12:35Z"},{"alias_kind":"pith_short_16","alias_value":"YIVWJYKPZNW7WORN","created_at":"2026-06-19T16:12:35Z"},{"alias_kind":"pith_short_8","alias_value":"YIVWJYKP","created_at":"2026-06-19T16:12:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:YIVWJYKPZNW7WORNAA2CE2ENLT","target":"record","payload":{"canonical_record":{"source":{"id":"2606.19785","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-18T04:40:18Z","cross_cats_sorted":[],"title_canon_sha256":"888cf45eb1ce004323dd2c9780786d02a3e5a777caa04d8ffd16e70ea5d8f0e3","abstract_canon_sha256":"ee8f54a41fabb6c4eed2db4d4824e1e535c67082162320b739be606acf268f52"},"schema_version":"1.0"},"canonical_sha256":"c22b64e14fcb6dfb3a2d003422688d5ce694da39253d0941b015c1ac0dcfb671","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:12:35.089629Z","signature_b64":"r/p/CX3ui6WArKS/rfvJR0WWYe05WJ3VVXDZapKCr8y3WH3xUSiKs2veP1svLnc29yPelqZEpXBHrACJC5nLCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c22b64e14fcb6dfb3a2d003422688d5ce694da39253d0941b015c1ac0dcfb671","last_reissued_at":"2026-06-19T16:12:35.089281Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:12:35.089281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.19785","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":"2026-06-19T16:12:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZCf/kaC+aiprzt5MCBpGpNRQ/iG+vT16hdbLXw5wDeMuIE814aP+azQTVbLv+3CPC+O0kc0ia48FsyZch35mCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T04:46:07.075558Z"},"content_sha256":"df6ab08c79b07f745a762c8708947c9100e8a70454764dc9953d61581568c076","schema_version":"1.0","event_id":"sha256:df6ab08c79b07f745a762c8708947c9100e8a70454764dc9953d61581568c076"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:YIVWJYKPZNW7WORNAA2CE2ENLT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Boltzmann-constrained extraction of spin splitting and momentum relaxation in d-wave altermagnets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"H. Geng, Q. S. Yao, Y. D. Ji, Y. X. Gao, Z. W. Fan","submitted_at":"2026-06-18T04:40:18Z","abstract_excerpt":"Altermagnets exhibit spin-split electronic structure without requiring spin-orbit coupling, but transport measurements generally mix intrinsic spin splitting with extrinsic scattering. We examine this identifiability problem for a two-dimensional d-wave altermagnet within a unified semiclassical framework spanning ballistic to diffusive transport. The spin-dependent Fermi-surface anisotropy produces a pronounced size effect, where vastly different longitudinal velocities cause the two spin channels to exhibit markedly different effective relaxation lengths within the same device geometry. Howe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.19785","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/2606.19785/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":"2026-06-19T16:12:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UPwJK+CHHkKqzHotVHXK9HvE9tqOhD809Av/d9oTnnLlG9kyiytNUBahtDe/5Ia9BskkMtE9FxDcBIAYOv1LCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T04:46:07.076119Z"},"content_sha256":"276cddb76e3b376714fec8a8c8b2583f665277920f1f3d9fd34bbdeda09bdb53","schema_version":"1.0","event_id":"sha256:276cddb76e3b376714fec8a8c8b2583f665277920f1f3d9fd34bbdeda09bdb53"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YIVWJYKPZNW7WORNAA2CE2ENLT/bundle.json","state_url":"https://pith.science/pith/YIVWJYKPZNW7WORNAA2CE2ENLT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YIVWJYKPZNW7WORNAA2CE2ENLT/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":"2026-08-16T04:46:07Z","links":{"resolver":"https://pith.science/pith/YIVWJYKPZNW7WORNAA2CE2ENLT","bundle":"https://pith.science/pith/YIVWJYKPZNW7WORNAA2CE2ENLT/bundle.json","state":"https://pith.science/pith/YIVWJYKPZNW7WORNAA2CE2ENLT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YIVWJYKPZNW7WORNAA2CE2ENLT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:YIVWJYKPZNW7WORNAA2CE2ENLT","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":"ee8f54a41fabb6c4eed2db4d4824e1e535c67082162320b739be606acf268f52","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-18T04:40:18Z","title_canon_sha256":"888cf45eb1ce004323dd2c9780786d02a3e5a777caa04d8ffd16e70ea5d8f0e3"},"schema_version":"1.0","source":{"id":"2606.19785","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.19785","created_at":"2026-06-19T16:12:35Z"},{"alias_kind":"arxiv_version","alias_value":"2606.19785v1","created_at":"2026-06-19T16:12:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.19785","created_at":"2026-06-19T16:12:35Z"},{"alias_kind":"pith_short_12","alias_value":"YIVWJYKPZNW7","created_at":"2026-06-19T16:12:35Z"},{"alias_kind":"pith_short_16","alias_value":"YIVWJYKPZNW7WORN","created_at":"2026-06-19T16:12:35Z"},{"alias_kind":"pith_short_8","alias_value":"YIVWJYKP","created_at":"2026-06-19T16:12:35Z"}],"graph_snapshots":[{"event_id":"sha256:276cddb76e3b376714fec8a8c8b2583f665277920f1f3d9fd34bbdeda09bdb53","target":"graph","created_at":"2026-06-19T16:12:35Z","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/2606.19785/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Altermagnets exhibit spin-split electronic structure without requiring spin-orbit coupling, but transport measurements generally mix intrinsic spin splitting with extrinsic scattering. We examine this identifiability problem for a two-dimensional d-wave altermagnet within a unified semiclassical framework spanning ballistic to diffusive transport. The spin-dependent Fermi-surface anisotropy produces a pronounced size effect, where vastly different longitudinal velocities cause the two spin channels to exhibit markedly different effective relaxation lengths within the same device geometry. Howe","authors_text":"H. Geng, Q. S. Yao, Y. D. Ji, Y. X. Gao, Z. W. Fan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-18T04:40:18Z","title":"Boltzmann-constrained extraction of spin splitting and momentum relaxation in d-wave altermagnets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.19785","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:df6ab08c79b07f745a762c8708947c9100e8a70454764dc9953d61581568c076","target":"record","created_at":"2026-06-19T16:12:35Z","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":"ee8f54a41fabb6c4eed2db4d4824e1e535c67082162320b739be606acf268f52","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-18T04:40:18Z","title_canon_sha256":"888cf45eb1ce004323dd2c9780786d02a3e5a777caa04d8ffd16e70ea5d8f0e3"},"schema_version":"1.0","source":{"id":"2606.19785","kind":"arxiv","version":1}},"canonical_sha256":"c22b64e14fcb6dfb3a2d003422688d5ce694da39253d0941b015c1ac0dcfb671","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c22b64e14fcb6dfb3a2d003422688d5ce694da39253d0941b015c1ac0dcfb671","first_computed_at":"2026-06-19T16:12:35.089281Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:12:35.089281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r/p/CX3ui6WArKS/rfvJR0WWYe05WJ3VVXDZapKCr8y3WH3xUSiKs2veP1svLnc29yPelqZEpXBHrACJC5nLCw==","signature_status":"signed_v1","signed_at":"2026-06-19T16:12:35.089629Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.19785","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df6ab08c79b07f745a762c8708947c9100e8a70454764dc9953d61581568c076","sha256:276cddb76e3b376714fec8a8c8b2583f665277920f1f3d9fd34bbdeda09bdb53"],"state_sha256":"6cbb43daf028b48520204c77b6a21fc3fa4780481a08ceaf15c5ca17e28e3e2e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+jTUCYGjfKysaRpQYhE/UmkVve3X2IF+4xSDLQmjBXbxmaDJF/Pmd3Au6U+PfkMHHji0OMLc7AiiDx6mgMaTDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T04:46:07.080259Z","bundle_sha256":"1e435e7a8416296e593f8a2b4daefddacf46170daddc2f9455c6ad33d629bee7"}}