{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:J2BWEUV2H4VFK4J7WPV3UODJU7","short_pith_number":"pith:J2BWEUV2","canonical_record":{"source":{"id":"2605.26897","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-26T11:57:56Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"186ce8bed53a32e4921255a6ce932cc0500e9e0fd2fb643e7263e58749d195a4","abstract_canon_sha256":"7caf33ebef5a516a5dc3c891a3fa137d62e0e0f3b13c318263220557d3c00a63"},"schema_version":"1.0"},"canonical_sha256":"4e836252ba3f2a55713fb3ebba3869a7c29b0b3317a24602a768149a870ab996","source":{"kind":"arxiv","id":"2605.26897","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.26897","created_at":"2026-05-27T01:06:18Z"},{"alias_kind":"arxiv_version","alias_value":"2605.26897v1","created_at":"2026-05-27T01:06:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.26897","created_at":"2026-05-27T01:06:18Z"},{"alias_kind":"pith_short_12","alias_value":"J2BWEUV2H4VF","created_at":"2026-05-27T01:06:18Z"},{"alias_kind":"pith_short_16","alias_value":"J2BWEUV2H4VFK4J7","created_at":"2026-05-27T01:06:18Z"},{"alias_kind":"pith_short_8","alias_value":"J2BWEUV2","created_at":"2026-05-27T01:06:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:J2BWEUV2H4VFK4J7WPV3UODJU7","target":"record","payload":{"canonical_record":{"source":{"id":"2605.26897","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-26T11:57:56Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"186ce8bed53a32e4921255a6ce932cc0500e9e0fd2fb643e7263e58749d195a4","abstract_canon_sha256":"7caf33ebef5a516a5dc3c891a3fa137d62e0e0f3b13c318263220557d3c00a63"},"schema_version":"1.0"},"canonical_sha256":"4e836252ba3f2a55713fb3ebba3869a7c29b0b3317a24602a768149a870ab996","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-27T01:06:18.612264Z","signature_b64":"+OaHyRndPv70VnVIOi7dkYIAV76wZfMAV+nD9qx8nSEgDnG8zfujevkNN/KtIe5KJK5EgFPq0ZTCjM+cxX3YDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e836252ba3f2a55713fb3ebba3869a7c29b0b3317a24602a768149a870ab996","last_reissued_at":"2026-05-27T01:06:18.611572Z","signature_status":"signed_v1","first_computed_at":"2026-05-27T01:06:18.611572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.26897","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":"2026-05-27T01:06:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fJsMvM7eHianJxGmBaiBFxTik2qy85tT5F534aiJ+/e1E3pbxqvrFiEZF7ahP/dNaNdzueXNUCznG7ZATcsgBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T00:14:44.342743Z"},"content_sha256":"a94c5f5bdd4b7dd5b6dd91b6e862cfff6745b18bbe34ce7e0fdcbb0ca3da6a65","schema_version":"1.0","event_id":"sha256:a94c5f5bdd4b7dd5b6dd91b6e862cfff6745b18bbe34ce7e0fdcbb0ca3da6a65"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:J2BWEUV2H4VFK4J7WPV3UODJU7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Active learning of collinear magnetic Moment Tensor Potentials using the spin-MLIP package from soft-constrained spin-polarized DFT calculations: a case study of Fe-Pd","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alexey S. Kotykhov, Arseniy Burov, Dmitry A. Aksyonov, Ivan S. Novikov, Vladimir V. Ladygin","submitted_at":"2026-05-26T11:57:56Z","abstract_excerpt":"Explicit incorporation of magnetic degrees of freedom in machine-learning interatomic potentials (magnetic MLIPs) plays a crucial role in the correct description of magnetic materials and their properties. An important ingredient for fitting of magnetic MLIPs is spin-polarized density functional theory (DFT) calculations with non-equilibrium magnetic moments, i.e. DFT calculations with constraints on magnetic moments. In this study, we present a workflow for active learning of magnetic Moment Tensor Potential (mMTP) during molecular dynamics (MD) simulations. Magnetic MTP and its active learni"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.26897","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/2605.26897/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":"2026-05-27T01:06:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Veed22Zf9b3BOwXz6lPFDffeszExmR/dWnY9PqFyLLsmwOXKmIuxR2m6ctAjzxWGAvY60mB8W8zA1Esn1AICAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T00:14:44.343144Z"},"content_sha256":"d131b4a9d6c19ca02921f8e078c88fb2091b915bb6ff8ce74f0cf250e136fa05","schema_version":"1.0","event_id":"sha256:d131b4a9d6c19ca02921f8e078c88fb2091b915bb6ff8ce74f0cf250e136fa05"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J2BWEUV2H4VFK4J7WPV3UODJU7/bundle.json","state_url":"https://pith.science/pith/J2BWEUV2H4VFK4J7WPV3UODJU7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J2BWEUV2H4VFK4J7WPV3UODJU7/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":"2026-07-01T00:14:44Z","links":{"resolver":"https://pith.science/pith/J2BWEUV2H4VFK4J7WPV3UODJU7","bundle":"https://pith.science/pith/J2BWEUV2H4VFK4J7WPV3UODJU7/bundle.json","state":"https://pith.science/pith/J2BWEUV2H4VFK4J7WPV3UODJU7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J2BWEUV2H4VFK4J7WPV3UODJU7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:J2BWEUV2H4VFK4J7WPV3UODJU7","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":"7caf33ebef5a516a5dc3c891a3fa137d62e0e0f3b13c318263220557d3c00a63","cross_cats_sorted":["physics.atom-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-26T11:57:56Z","title_canon_sha256":"186ce8bed53a32e4921255a6ce932cc0500e9e0fd2fb643e7263e58749d195a4"},"schema_version":"1.0","source":{"id":"2605.26897","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.26897","created_at":"2026-05-27T01:06:18Z"},{"alias_kind":"arxiv_version","alias_value":"2605.26897v1","created_at":"2026-05-27T01:06:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.26897","created_at":"2026-05-27T01:06:18Z"},{"alias_kind":"pith_short_12","alias_value":"J2BWEUV2H4VF","created_at":"2026-05-27T01:06:18Z"},{"alias_kind":"pith_short_16","alias_value":"J2BWEUV2H4VFK4J7","created_at":"2026-05-27T01:06:18Z"},{"alias_kind":"pith_short_8","alias_value":"J2BWEUV2","created_at":"2026-05-27T01:06:18Z"}],"graph_snapshots":[{"event_id":"sha256:d131b4a9d6c19ca02921f8e078c88fb2091b915bb6ff8ce74f0cf250e136fa05","target":"graph","created_at":"2026-05-27T01:06:18Z","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/2605.26897/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Explicit incorporation of magnetic degrees of freedom in machine-learning interatomic potentials (magnetic MLIPs) plays a crucial role in the correct description of magnetic materials and their properties. An important ingredient for fitting of magnetic MLIPs is spin-polarized density functional theory (DFT) calculations with non-equilibrium magnetic moments, i.e. DFT calculations with constraints on magnetic moments. In this study, we present a workflow for active learning of magnetic Moment Tensor Potential (mMTP) during molecular dynamics (MD) simulations. Magnetic MTP and its active learni","authors_text":"Alexey S. Kotykhov, Arseniy Burov, Dmitry A. Aksyonov, Ivan S. Novikov, Vladimir V. Ladygin","cross_cats":["physics.atom-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-26T11:57:56Z","title":"Active learning of collinear magnetic Moment Tensor Potentials using the spin-MLIP package from soft-constrained spin-polarized DFT calculations: a case study of Fe-Pd"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.26897","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:a94c5f5bdd4b7dd5b6dd91b6e862cfff6745b18bbe34ce7e0fdcbb0ca3da6a65","target":"record","created_at":"2026-05-27T01:06:18Z","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":"7caf33ebef5a516a5dc3c891a3fa137d62e0e0f3b13c318263220557d3c00a63","cross_cats_sorted":["physics.atom-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-26T11:57:56Z","title_canon_sha256":"186ce8bed53a32e4921255a6ce932cc0500e9e0fd2fb643e7263e58749d195a4"},"schema_version":"1.0","source":{"id":"2605.26897","kind":"arxiv","version":1}},"canonical_sha256":"4e836252ba3f2a55713fb3ebba3869a7c29b0b3317a24602a768149a870ab996","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e836252ba3f2a55713fb3ebba3869a7c29b0b3317a24602a768149a870ab996","first_computed_at":"2026-05-27T01:06:18.611572Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-27T01:06:18.611572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+OaHyRndPv70VnVIOi7dkYIAV76wZfMAV+nD9qx8nSEgDnG8zfujevkNN/KtIe5KJK5EgFPq0ZTCjM+cxX3YDg==","signature_status":"signed_v1","signed_at":"2026-05-27T01:06:18.612264Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.26897","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a94c5f5bdd4b7dd5b6dd91b6e862cfff6745b18bbe34ce7e0fdcbb0ca3da6a65","sha256:d131b4a9d6c19ca02921f8e078c88fb2091b915bb6ff8ce74f0cf250e136fa05"],"state_sha256":"4fe0da9b6e57de3b0b3e58f54ab18477481710b2ea9701d41ec2e519fafee5d7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vK0gEbP7EJeQfYK75QX0b/XI4Kd0uQwHPOVEaZp9T4L25ePwViWPTG5eXJ7jSkqa5UwcpiqlPT0wEkigWcmKDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T00:14:44.345536Z","bundle_sha256":"a57137d1974d7457c0eed377ce338e12d0d02ac0afe5c802ac41b2b8bf9a3bd4"}}