{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:QG2SAMTOUFJXI4PSYXOBLLPC4Z","short_pith_number":"pith:QG2SAMTO","canonical_record":{"source":{"id":"1508.01777","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-03T18:58:14Z","cross_cats_sorted":[],"title_canon_sha256":"b69b27148ace4ec38489aec6a0b692a1b4858bb3a89429d873ac2f9fe590c1b5","abstract_canon_sha256":"8ed00053c571ed202a447b2a5b580864265af5131145012c166473c52ef0e60c"},"schema_version":"1.0"},"canonical_sha256":"81b520326ea1537471f2c5dc15ade2e6464817b47d9ba7af137aa36d5932eb80","source":{"kind":"arxiv","id":"1508.01777","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.01777","created_at":"2026-05-18T01:35:38Z"},{"alias_kind":"arxiv_version","alias_value":"1508.01777v1","created_at":"2026-05-18T01:35:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.01777","created_at":"2026-05-18T01:35:38Z"},{"alias_kind":"pith_short_12","alias_value":"QG2SAMTOUFJX","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QG2SAMTOUFJXI4PS","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QG2SAMTO","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:QG2SAMTOUFJXI4PSYXOBLLPC4Z","target":"record","payload":{"canonical_record":{"source":{"id":"1508.01777","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-03T18:58:14Z","cross_cats_sorted":[],"title_canon_sha256":"b69b27148ace4ec38489aec6a0b692a1b4858bb3a89429d873ac2f9fe590c1b5","abstract_canon_sha256":"8ed00053c571ed202a447b2a5b580864265af5131145012c166473c52ef0e60c"},"schema_version":"1.0"},"canonical_sha256":"81b520326ea1537471f2c5dc15ade2e6464817b47d9ba7af137aa36d5932eb80","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:38.741149Z","signature_b64":"ECBs3GkJOYSGOp1UcRQUwWa1RNW51gfc3NGbf93RDIEVsRcPeQ0xn2lc3bODcSRXMZVhuM95DWkPgY29tHQ/DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81b520326ea1537471f2c5dc15ade2e6464817b47d9ba7af137aa36d5932eb80","last_reissued_at":"2026-05-18T01:35:38.740416Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:38.740416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.01777","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":"2026-05-18T01:35:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IjOSyuFG2cDzG/XrJGfDE0DHqNZlVQJvjhFPAdyyn/YzbiCLB4TG3BhBQpZKjzQcSdfWhZU6xIU7RHSPjC39BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T15:30:28.406332Z"},"content_sha256":"2046177a0de36744e76594f90ad9a5b6bdbbe05554468bcd546d5bae3025970c","schema_version":"1.0","event_id":"sha256:2046177a0de36744e76594f90ad9a5b6bdbbe05554468bcd546d5bae3025970c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:QG2SAMTOUFJXI4PSYXOBLLPC4Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stable room-temperature ferromagnetic phase at the FeRh(100) surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Azzedine Bendounan, Eric E. Fullerton, Fausto Sirotti, Federico Pressacco, Matteo Gatti, Vojt\\v{e}ch Uhl\\'i\\v{r}","submitted_at":"2015-06-03T18:58:14Z","abstract_excerpt":"Interfaces and low dimensionality are sources of strong modifications of electronic, structural, and magnetic properties of materials. FeRh alloys are an excellent example because of the first-order phase transition taking place at $\\sim$400 K from an antiferromagnetic phase at room temperature to a high temperature ferromagnetic one. It is accompanied by a resistance change and volume expansion of about 1\\%. We have investigated the electronic and magnetic properties of FeRh(100) epitaxially grown on MgO by combining spectroscopies characterized by different probing depths, namely X-ray magne"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.01777","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":"2026-05-18T01:35:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8xmm0CmPVQ1EHmCZO67N79G4H17i1J7RgGGhOhLQjJTrqyCw4iB7EjkeTAdGEMgVOOc0bQ1x5lSiPrCH75jgCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T15:30:28.406685Z"},"content_sha256":"cfba61a1dcbea12d833ae1999ac80e380c5826b960aa4daf6a3293b37d1a441d","schema_version":"1.0","event_id":"sha256:cfba61a1dcbea12d833ae1999ac80e380c5826b960aa4daf6a3293b37d1a441d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QG2SAMTOUFJXI4PSYXOBLLPC4Z/bundle.json","state_url":"https://pith.science/pith/QG2SAMTOUFJXI4PSYXOBLLPC4Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QG2SAMTOUFJXI4PSYXOBLLPC4Z/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":"2026-06-04T15:30:28Z","links":{"resolver":"https://pith.science/pith/QG2SAMTOUFJXI4PSYXOBLLPC4Z","bundle":"https://pith.science/pith/QG2SAMTOUFJXI4PSYXOBLLPC4Z/bundle.json","state":"https://pith.science/pith/QG2SAMTOUFJXI4PSYXOBLLPC4Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QG2SAMTOUFJXI4PSYXOBLLPC4Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:QG2SAMTOUFJXI4PSYXOBLLPC4Z","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":"8ed00053c571ed202a447b2a5b580864265af5131145012c166473c52ef0e60c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-03T18:58:14Z","title_canon_sha256":"b69b27148ace4ec38489aec6a0b692a1b4858bb3a89429d873ac2f9fe590c1b5"},"schema_version":"1.0","source":{"id":"1508.01777","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.01777","created_at":"2026-05-18T01:35:38Z"},{"alias_kind":"arxiv_version","alias_value":"1508.01777v1","created_at":"2026-05-18T01:35:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.01777","created_at":"2026-05-18T01:35:38Z"},{"alias_kind":"pith_short_12","alias_value":"QG2SAMTOUFJX","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QG2SAMTOUFJXI4PS","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QG2SAMTO","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:cfba61a1dcbea12d833ae1999ac80e380c5826b960aa4daf6a3293b37d1a441d","target":"graph","created_at":"2026-05-18T01:35:38Z","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":"Interfaces and low dimensionality are sources of strong modifications of electronic, structural, and magnetic properties of materials. FeRh alloys are an excellent example because of the first-order phase transition taking place at $\\sim$400 K from an antiferromagnetic phase at room temperature to a high temperature ferromagnetic one. It is accompanied by a resistance change and volume expansion of about 1\\%. We have investigated the electronic and magnetic properties of FeRh(100) epitaxially grown on MgO by combining spectroscopies characterized by different probing depths, namely X-ray magne","authors_text":"Azzedine Bendounan, Eric E. Fullerton, Fausto Sirotti, Federico Pressacco, Matteo Gatti, Vojt\\v{e}ch Uhl\\'i\\v{r}","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-03T18:58:14Z","title":"Stable room-temperature ferromagnetic phase at the FeRh(100) surface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.01777","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":"sha256:2046177a0de36744e76594f90ad9a5b6bdbbe05554468bcd546d5bae3025970c","target":"record","created_at":"2026-05-18T01:35:38Z","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":"8ed00053c571ed202a447b2a5b580864265af5131145012c166473c52ef0e60c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-06-03T18:58:14Z","title_canon_sha256":"b69b27148ace4ec38489aec6a0b692a1b4858bb3a89429d873ac2f9fe590c1b5"},"schema_version":"1.0","source":{"id":"1508.01777","kind":"arxiv","version":1}},"canonical_sha256":"81b520326ea1537471f2c5dc15ade2e6464817b47d9ba7af137aa36d5932eb80","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81b520326ea1537471f2c5dc15ade2e6464817b47d9ba7af137aa36d5932eb80","first_computed_at":"2026-05-18T01:35:38.740416Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:38.740416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ECBs3GkJOYSGOp1UcRQUwWa1RNW51gfc3NGbf93RDIEVsRcPeQ0xn2lc3bODcSRXMZVhuM95DWkPgY29tHQ/DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:38.741149Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.01777","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2046177a0de36744e76594f90ad9a5b6bdbbe05554468bcd546d5bae3025970c","sha256:cfba61a1dcbea12d833ae1999ac80e380c5826b960aa4daf6a3293b37d1a441d"],"state_sha256":"a2c3181ece4bef0e1400424b1507e29ddd88fa8c8d8bb47fdbe7f90a5ce9b6ab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VHW1iE0M5a7lRFr4NZj/FlLnfQUq01uDnc+1hsRg64Ke3YvmQ20O1g1bamnBPi4W6Ox1pwWoyXcWr1c6UNWECg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T15:30:28.408567Z","bundle_sha256":"db772e2e6d5d56ae147f2084a9d00769e176eb1cd3ae17f4c99060506567fc00"}}