{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:XC7XLATB736ROS3IPJQMDPOWZY","short_pith_number":"pith:XC7XLATB","canonical_record":{"source":{"id":"1407.6911","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-25T14:19:20Z","cross_cats_sorted":[],"title_canon_sha256":"d0356a7125f1a691dc3906d82ebadbcedf8b86141351000e933e1ca92162bd78","abstract_canon_sha256":"073f65708a89dee7830d628459ae6c6758464326fe1d1d481d0fa2893649b231"},"schema_version":"1.0"},"canonical_sha256":"b8bf758261fefd174b687a60c1bdd6ce1da5151845cfe38cec6b53b088f10e48","source":{"kind":"arxiv","id":"1407.6911","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.6911","created_at":"2026-05-18T02:44:01Z"},{"alias_kind":"arxiv_version","alias_value":"1407.6911v1","created_at":"2026-05-18T02:44:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.6911","created_at":"2026-05-18T02:44:01Z"},{"alias_kind":"pith_short_12","alias_value":"XC7XLATB736R","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"XC7XLATB736ROS3I","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"XC7XLATB","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:XC7XLATB736ROS3IPJQMDPOWZY","target":"record","payload":{"canonical_record":{"source":{"id":"1407.6911","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-25T14:19:20Z","cross_cats_sorted":[],"title_canon_sha256":"d0356a7125f1a691dc3906d82ebadbcedf8b86141351000e933e1ca92162bd78","abstract_canon_sha256":"073f65708a89dee7830d628459ae6c6758464326fe1d1d481d0fa2893649b231"},"schema_version":"1.0"},"canonical_sha256":"b8bf758261fefd174b687a60c1bdd6ce1da5151845cfe38cec6b53b088f10e48","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:44:01.529829Z","signature_b64":"r8KyJYIOXi0A+ZiQ5bf4fvA4QKe/NH2qY20yy5cfXcE/AcJjpYJp+DbBcBQOTnTuhSIpFAL8o8lkWgilo0JbBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8bf758261fefd174b687a60c1bdd6ce1da5151845cfe38cec6b53b088f10e48","last_reissued_at":"2026-05-18T02:44:01.529248Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:44:01.529248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.6911","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":"2026-05-18T02:44:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8Q0q11ju0GDgoopItTpwMDvE92yivpQQQ9g1ursaY30xzwAfInAW8nHxKqrfhXI6jYIKFf0iq6NNPyu9oDJGAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T22:25:46.564098Z"},"content_sha256":"7792acf8fbe6789ff723a4545d43e5b3b26276a8def2f44910ee1e9c033d3444","schema_version":"1.0","event_id":"sha256:7792acf8fbe6789ff723a4545d43e5b3b26276a8def2f44910ee1e9c033d3444"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:XC7XLATB736ROS3IPJQMDPOWZY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ferromagnetism in UGe2 : A microscopic model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Jozef Spa{\\l}ek, Marcin Abram, Marcin M. Wysoki\\'nski","submitted_at":"2014-07-25T14:19:20Z","abstract_excerpt":"Anderson lattice model is used to rationalize the principal features of the heavy fermion compound UGe2 by means of the generalized Gutzwiller approach (the SGA method). This microscopic approach successfully reproduces magnetic and electronic properties of this material, in a qualitative agreement with experimental findings from the magnetization measurements, the neutron scattering, and the de Haas-van Alphen oscillations. Most importantly, it explains the appearance, sequence, character, and evolution in an applied magnetic field of the observed in UGe2 ferro- and, para-magnetic phases as a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.6911","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":"2026-05-18T02:44:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rs0fazpXtorAHlhv6Di+atP+ioMZdSCvXyIPi0Vlt/OlqMEOri33haWjUL3U3qbPq7fbMKD3o0JKykQsnOgyCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T22:25:46.565009Z"},"content_sha256":"820513010f9db1f58ad6897817e56c0dfa974a95606214521a90a83062b09556","schema_version":"1.0","event_id":"sha256:820513010f9db1f58ad6897817e56c0dfa974a95606214521a90a83062b09556"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XC7XLATB736ROS3IPJQMDPOWZY/bundle.json","state_url":"https://pith.science/pith/XC7XLATB736ROS3IPJQMDPOWZY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XC7XLATB736ROS3IPJQMDPOWZY/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":"2026-06-10T22:25:46Z","links":{"resolver":"https://pith.science/pith/XC7XLATB736ROS3IPJQMDPOWZY","bundle":"https://pith.science/pith/XC7XLATB736ROS3IPJQMDPOWZY/bundle.json","state":"https://pith.science/pith/XC7XLATB736ROS3IPJQMDPOWZY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XC7XLATB736ROS3IPJQMDPOWZY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:XC7XLATB736ROS3IPJQMDPOWZY","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":"073f65708a89dee7830d628459ae6c6758464326fe1d1d481d0fa2893649b231","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-25T14:19:20Z","title_canon_sha256":"d0356a7125f1a691dc3906d82ebadbcedf8b86141351000e933e1ca92162bd78"},"schema_version":"1.0","source":{"id":"1407.6911","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.6911","created_at":"2026-05-18T02:44:01Z"},{"alias_kind":"arxiv_version","alias_value":"1407.6911v1","created_at":"2026-05-18T02:44:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.6911","created_at":"2026-05-18T02:44:01Z"},{"alias_kind":"pith_short_12","alias_value":"XC7XLATB736R","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"XC7XLATB736ROS3I","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"XC7XLATB","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:820513010f9db1f58ad6897817e56c0dfa974a95606214521a90a83062b09556","target":"graph","created_at":"2026-05-18T02:44:01Z","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":"Anderson lattice model is used to rationalize the principal features of the heavy fermion compound UGe2 by means of the generalized Gutzwiller approach (the SGA method). This microscopic approach successfully reproduces magnetic and electronic properties of this material, in a qualitative agreement with experimental findings from the magnetization measurements, the neutron scattering, and the de Haas-van Alphen oscillations. Most importantly, it explains the appearance, sequence, character, and evolution in an applied magnetic field of the observed in UGe2 ferro- and, para-magnetic phases as a","authors_text":"Jozef Spa{\\l}ek, Marcin Abram, Marcin M. Wysoki\\'nski","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-25T14:19:20Z","title":"Ferromagnetism in UGe2 : A microscopic model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.6911","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":"sha256:7792acf8fbe6789ff723a4545d43e5b3b26276a8def2f44910ee1e9c033d3444","target":"record","created_at":"2026-05-18T02:44:01Z","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":"073f65708a89dee7830d628459ae6c6758464326fe1d1d481d0fa2893649b231","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-25T14:19:20Z","title_canon_sha256":"d0356a7125f1a691dc3906d82ebadbcedf8b86141351000e933e1ca92162bd78"},"schema_version":"1.0","source":{"id":"1407.6911","kind":"arxiv","version":1}},"canonical_sha256":"b8bf758261fefd174b687a60c1bdd6ce1da5151845cfe38cec6b53b088f10e48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b8bf758261fefd174b687a60c1bdd6ce1da5151845cfe38cec6b53b088f10e48","first_computed_at":"2026-05-18T02:44:01.529248Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:44:01.529248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r8KyJYIOXi0A+ZiQ5bf4fvA4QKe/NH2qY20yy5cfXcE/AcJjpYJp+DbBcBQOTnTuhSIpFAL8o8lkWgilo0JbBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:44:01.529829Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.6911","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7792acf8fbe6789ff723a4545d43e5b3b26276a8def2f44910ee1e9c033d3444","sha256:820513010f9db1f58ad6897817e56c0dfa974a95606214521a90a83062b09556"],"state_sha256":"68ff7c34298623f10b219816cd7c1b3d4bb5ae2b6e4548ea25d981a60c43461b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hLIOCSd4FomUUe/LkIGJBOyJv7SqvMhLt+uSvBLknfEpLc/ogoHuOWF6CngUN3Oq1iyM6jFqYygJhYPiAnrxBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T22:25:46.569743Z","bundle_sha256":"c81e4c069e9a95965e9cacb6926ffa662b69054d4211338e14a3f2a11b4df19a"}}