{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:XZJB3SYZNHXPEN2KN7SCGF5W65","short_pith_number":"pith:XZJB3SYZ","canonical_record":{"source":{"id":"2001.06799","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-19T09:56:30Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"0df2f7ce3888d93656847406f3331ad9cff00c52874e4c31485b993778457160","abstract_canon_sha256":"3773c2a3dedd39cadfbfc5e1bb04da7de266c1d6196817059af9b33ecabfc23c"},"schema_version":"1.0"},"canonical_sha256":"be521dcb1969eef2374a6fe42317b6f77f81ff07d50f0f85a7c0a4567e0f07ab","source":{"kind":"arxiv","id":"2001.06799","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.06799","created_at":"2026-07-05T03:24:39Z"},{"alias_kind":"arxiv_version","alias_value":"2001.06799v4","created_at":"2026-07-05T03:24:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.06799","created_at":"2026-07-05T03:24:39Z"},{"alias_kind":"pith_short_12","alias_value":"XZJB3SYZNHXP","created_at":"2026-07-05T03:24:39Z"},{"alias_kind":"pith_short_16","alias_value":"XZJB3SYZNHXPEN2K","created_at":"2026-07-05T03:24:39Z"},{"alias_kind":"pith_short_8","alias_value":"XZJB3SYZ","created_at":"2026-07-05T03:24:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:XZJB3SYZNHXPEN2KN7SCGF5W65","target":"record","payload":{"canonical_record":{"source":{"id":"2001.06799","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-19T09:56:30Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"0df2f7ce3888d93656847406f3331ad9cff00c52874e4c31485b993778457160","abstract_canon_sha256":"3773c2a3dedd39cadfbfc5e1bb04da7de266c1d6196817059af9b33ecabfc23c"},"schema_version":"1.0"},"canonical_sha256":"be521dcb1969eef2374a6fe42317b6f77f81ff07d50f0f85a7c0a4567e0f07ab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:24:39.385730Z","signature_b64":"nInb0p5YDbbeSrZn4lT2W/RBr2Ag315NOkgipFAtuzIMbGRHa1Ft6ouzAnaoKVEQtt1q6uYdrbBi1o7p9fVxBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be521dcb1969eef2374a6fe42317b6f77f81ff07d50f0f85a7c0a4567e0f07ab","last_reissued_at":"2026-07-05T03:24:39.385303Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:24:39.385303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.06799","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:24:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pNaD4THCqvh2oCnLL83D1SlPD9Y4phkukmP1/kU5wgu7C5YI/n5tLSw4F7GJSk38q0BI1k9EJ4tE1hW+oFyYDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T21:11:03.623356Z"},"content_sha256":"928b029e6ba8cd5480bbe3accc086d28ed8fcfc08b3486b69190e44849d6abef","schema_version":"1.0","event_id":"sha256:928b029e6ba8cd5480bbe3accc086d28ed8fcfc08b3486b69190e44849d6abef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:XZJB3SYZNHXPEN2KN7SCGF5W65","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultrafast kinetics of the antiferromagnetic-ferromagnetic phase transition in FeRh","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. K. Zvezdin, A. V. Kimel, E. E. Fullerton, G. Li, J. H. Mentink, R. Medapalli, R. V. Mikhaylovskiy, S. K. K. Patel, T. G. H. Blank, Th. Rasing","submitted_at":"2020-01-19T09:56:30Z","abstract_excerpt":"Understanding how fast short-range interactions build up long-range order is one of the most intriguing topics in condensed matter physics. FeRh is a test specimen for studying this problem in magnetism, where the microscopic spin-spin exchange interaction is ultimately responsible for either ferro- or antiferromagnetic macroscopic order. Femtosecond laser excitation can induce ferromagnetism in antiferromagnetic FeRh, but the mechanism and dynamics of this transition are topics of intense debates. Employing double-pump THz emission spectroscopy has enabled us to dramatically increase the temp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.06799","kind":"arxiv","version":4},"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/2001.06799/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":"2026-07-05T03:24:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GydQ6NpkkK6j4nsiSn1Az23d4WGUMcY1VoatEuG31puZGxsO2gBq9zsrHMxiLZtDu4FlPcKtZYuREje93AsVCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T21:11:03.623732Z"},"content_sha256":"5d7a95a0ca4cb37d655436c23f61e96fee01ac29f80e0e3b8acf948a7ba6ee2c","schema_version":"1.0","event_id":"sha256:5d7a95a0ca4cb37d655436c23f61e96fee01ac29f80e0e3b8acf948a7ba6ee2c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XZJB3SYZNHXPEN2KN7SCGF5W65/bundle.json","state_url":"https://pith.science/pith/XZJB3SYZNHXPEN2KN7SCGF5W65/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XZJB3SYZNHXPEN2KN7SCGF5W65/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":"2026-07-06T21:11:03Z","links":{"resolver":"https://pith.science/pith/XZJB3SYZNHXPEN2KN7SCGF5W65","bundle":"https://pith.science/pith/XZJB3SYZNHXPEN2KN7SCGF5W65/bundle.json","state":"https://pith.science/pith/XZJB3SYZNHXPEN2KN7SCGF5W65/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XZJB3SYZNHXPEN2KN7SCGF5W65/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:XZJB3SYZNHXPEN2KN7SCGF5W65","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":"3773c2a3dedd39cadfbfc5e1bb04da7de266c1d6196817059af9b33ecabfc23c","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-19T09:56:30Z","title_canon_sha256":"0df2f7ce3888d93656847406f3331ad9cff00c52874e4c31485b993778457160"},"schema_version":"1.0","source":{"id":"2001.06799","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.06799","created_at":"2026-07-05T03:24:39Z"},{"alias_kind":"arxiv_version","alias_value":"2001.06799v4","created_at":"2026-07-05T03:24:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.06799","created_at":"2026-07-05T03:24:39Z"},{"alias_kind":"pith_short_12","alias_value":"XZJB3SYZNHXP","created_at":"2026-07-05T03:24:39Z"},{"alias_kind":"pith_short_16","alias_value":"XZJB3SYZNHXPEN2K","created_at":"2026-07-05T03:24:39Z"},{"alias_kind":"pith_short_8","alias_value":"XZJB3SYZ","created_at":"2026-07-05T03:24:39Z"}],"graph_snapshots":[{"event_id":"sha256:5d7a95a0ca4cb37d655436c23f61e96fee01ac29f80e0e3b8acf948a7ba6ee2c","target":"graph","created_at":"2026-07-05T03:24:39Z","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/2001.06799/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Understanding how fast short-range interactions build up long-range order is one of the most intriguing topics in condensed matter physics. FeRh is a test specimen for studying this problem in magnetism, where the microscopic spin-spin exchange interaction is ultimately responsible for either ferro- or antiferromagnetic macroscopic order. Femtosecond laser excitation can induce ferromagnetism in antiferromagnetic FeRh, but the mechanism and dynamics of this transition are topics of intense debates. Employing double-pump THz emission spectroscopy has enabled us to dramatically increase the temp","authors_text":"A. K. Zvezdin, A. V. Kimel, E. E. Fullerton, G. Li, J. H. Mentink, R. Medapalli, R. V. Mikhaylovskiy, S. K. K. Patel, T. G. H. Blank, Th. Rasing","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-19T09:56:30Z","title":"Ultrafast kinetics of the antiferromagnetic-ferromagnetic phase transition in FeRh"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.06799","kind":"arxiv","version":4},"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":"sha256:928b029e6ba8cd5480bbe3accc086d28ed8fcfc08b3486b69190e44849d6abef","target":"record","created_at":"2026-07-05T03:24:39Z","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":"3773c2a3dedd39cadfbfc5e1bb04da7de266c1d6196817059af9b33ecabfc23c","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-19T09:56:30Z","title_canon_sha256":"0df2f7ce3888d93656847406f3331ad9cff00c52874e4c31485b993778457160"},"schema_version":"1.0","source":{"id":"2001.06799","kind":"arxiv","version":4}},"canonical_sha256":"be521dcb1969eef2374a6fe42317b6f77f81ff07d50f0f85a7c0a4567e0f07ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"be521dcb1969eef2374a6fe42317b6f77f81ff07d50f0f85a7c0a4567e0f07ab","first_computed_at":"2026-07-05T03:24:39.385303Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:24:39.385303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nInb0p5YDbbeSrZn4lT2W/RBr2Ag315NOkgipFAtuzIMbGRHa1Ft6ouzAnaoKVEQtt1q6uYdrbBi1o7p9fVxBw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:24:39.385730Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.06799","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:928b029e6ba8cd5480bbe3accc086d28ed8fcfc08b3486b69190e44849d6abef","sha256:5d7a95a0ca4cb37d655436c23f61e96fee01ac29f80e0e3b8acf948a7ba6ee2c"],"state_sha256":"bdb0265aad3ea3c8e9c7ac28160b0cc16e8b0c8e27633939d99e7c4916afb74f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fZgwMMw4ankwImW4SMWzYniHFH1Ws03HedPkyxeilOmkpmaU2EEUT/ibVjnwyHglcAGc/pp/3Hx1KE+NJSmWDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T21:11:03.625686Z","bundle_sha256":"c3569c9c3d46a9cee66901d4f2a1f1130b43d1f85ffc14e2acd98204acc290b0"}}