{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:EHBQSJZOW43BMYXW3XAT34SRG2","short_pith_number":"pith:EHBQSJZO","canonical_record":{"source":{"id":"cond-mat/0012086","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-12-06T18:18:05Z","cross_cats_sorted":[],"title_canon_sha256":"25fe58794d2eac88286d9be03db05186b5f8797e5ea127faf517a57e3031a770","abstract_canon_sha256":"4cbb3a93c1169f506be92cdaf3bfa9d8bbe7789c9d703069887ff5603d6e45da"},"schema_version":"1.0"},"canonical_sha256":"21c309272eb7361662f6ddc13df251369cd6514d92c219274fd2e370a30dff81","source":{"kind":"arxiv","id":"cond-mat/0012086","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0012086","created_at":"2026-05-18T01:40:07Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0012086v1","created_at":"2026-05-18T01:40:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0012086","created_at":"2026-05-18T01:40:07Z"},{"alias_kind":"pith_short_12","alias_value":"EHBQSJZOW43B","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"EHBQSJZOW43BMYXW","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"EHBQSJZO","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:EHBQSJZOW43BMYXW3XAT34SRG2","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0012086","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-12-06T18:18:05Z","cross_cats_sorted":[],"title_canon_sha256":"25fe58794d2eac88286d9be03db05186b5f8797e5ea127faf517a57e3031a770","abstract_canon_sha256":"4cbb3a93c1169f506be92cdaf3bfa9d8bbe7789c9d703069887ff5603d6e45da"},"schema_version":"1.0"},"canonical_sha256":"21c309272eb7361662f6ddc13df251369cd6514d92c219274fd2e370a30dff81","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:07.844246Z","signature_b64":"vBvFTQKXQuOY62LAUdofa+f0il5TlCIQ/vpPu7va6Aqwl1tSrHzv/4AojT12y5fIaN1OqIXtNx3c/O+rfef3Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"21c309272eb7361662f6ddc13df251369cd6514d92c219274fd2e370a30dff81","last_reissued_at":"2026-05-18T01:40:07.843626Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:07.843626Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0012086","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":"2026-05-18T01:40:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aA5kgnFAxYQrQ+RIm40z2WMRU/J1GP77ULa9BTV+Hy6PzX2fhc+/ZCBIGPD7zpk9t/y56ST8w0leoNsek80JBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:22:23.135113Z"},"content_sha256":"915bee79d93285949f8bd1707389d9eaaeff1cd18dbe241ff5540a2ef13b30db","schema_version":"1.0","event_id":"sha256:915bee79d93285949f8bd1707389d9eaaeff1cd18dbe241ff5540a2ef13b30db"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:EHBQSJZOW43BMYXW3XAT34SRG2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnons in the ferromagnetic Kondo-lattice model","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"C. Santos, M. Vogt, W. Nolting (Humboldt University at Berlin)","submitted_at":"2000-12-06T18:18:05Z","abstract_excerpt":"The magnetic properties of the ferromagnetic Kondo-lattice model (FKLM) are investigated. Starting from an analysis of the magnon spectrum in the spin-wave regime, we examine the ferromagnetic stability as a function of the occupation of the conduction band $n$ and the strength $J$ of the coupling between the localised moments and the conduction electrons. From the properties of the spin-wave stiffness $D$ the ferromagnetic phase at zero temperature is derived. Using an approximate formula the critical temperature $T_c$ is calculated as a function of $J$ and $n$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0012086","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":"2026-05-18T01:40:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qYQh2rLNpQ7GWA7AzKzCRCgm7cZIDFS+vbrkO+I5H0AqBpvUNY8YBk/9O7QkVul7wLjEVqX/K8HiApmDAXbFDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:22:23.135781Z"},"content_sha256":"df005289f1872e6e8493555a2b340d917023e41799967562c5079df23aba3cb3","schema_version":"1.0","event_id":"sha256:df005289f1872e6e8493555a2b340d917023e41799967562c5079df23aba3cb3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EHBQSJZOW43BMYXW3XAT34SRG2/bundle.json","state_url":"https://pith.science/pith/EHBQSJZOW43BMYXW3XAT34SRG2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EHBQSJZOW43BMYXW3XAT34SRG2/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":"2026-05-28T19:22:23Z","links":{"resolver":"https://pith.science/pith/EHBQSJZOW43BMYXW3XAT34SRG2","bundle":"https://pith.science/pith/EHBQSJZOW43BMYXW3XAT34SRG2/bundle.json","state":"https://pith.science/pith/EHBQSJZOW43BMYXW3XAT34SRG2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EHBQSJZOW43BMYXW3XAT34SRG2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:EHBQSJZOW43BMYXW3XAT34SRG2","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":"4cbb3a93c1169f506be92cdaf3bfa9d8bbe7789c9d703069887ff5603d6e45da","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-12-06T18:18:05Z","title_canon_sha256":"25fe58794d2eac88286d9be03db05186b5f8797e5ea127faf517a57e3031a770"},"schema_version":"1.0","source":{"id":"cond-mat/0012086","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0012086","created_at":"2026-05-18T01:40:07Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0012086v1","created_at":"2026-05-18T01:40:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0012086","created_at":"2026-05-18T01:40:07Z"},{"alias_kind":"pith_short_12","alias_value":"EHBQSJZOW43B","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"EHBQSJZOW43BMYXW","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"EHBQSJZO","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:df005289f1872e6e8493555a2b340d917023e41799967562c5079df23aba3cb3","target":"graph","created_at":"2026-05-18T01:40:07Z","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":"The magnetic properties of the ferromagnetic Kondo-lattice model (FKLM) are investigated. Starting from an analysis of the magnon spectrum in the spin-wave regime, we examine the ferromagnetic stability as a function of the occupation of the conduction band $n$ and the strength $J$ of the coupling between the localised moments and the conduction electrons. From the properties of the spin-wave stiffness $D$ the ferromagnetic phase at zero temperature is derived. Using an approximate formula the critical temperature $T_c$ is calculated as a function of $J$ and $n$.","authors_text":"C. Santos, M. Vogt, W. Nolting (Humboldt University at Berlin)","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-12-06T18:18:05Z","title":"Magnons in the ferromagnetic Kondo-lattice model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0012086","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":"sha256:915bee79d93285949f8bd1707389d9eaaeff1cd18dbe241ff5540a2ef13b30db","target":"record","created_at":"2026-05-18T01:40:07Z","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":"4cbb3a93c1169f506be92cdaf3bfa9d8bbe7789c9d703069887ff5603d6e45da","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-12-06T18:18:05Z","title_canon_sha256":"25fe58794d2eac88286d9be03db05186b5f8797e5ea127faf517a57e3031a770"},"schema_version":"1.0","source":{"id":"cond-mat/0012086","kind":"arxiv","version":1}},"canonical_sha256":"21c309272eb7361662f6ddc13df251369cd6514d92c219274fd2e370a30dff81","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"21c309272eb7361662f6ddc13df251369cd6514d92c219274fd2e370a30dff81","first_computed_at":"2026-05-18T01:40:07.843626Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:07.843626Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vBvFTQKXQuOY62LAUdofa+f0il5TlCIQ/vpPu7va6Aqwl1tSrHzv/4AojT12y5fIaN1OqIXtNx3c/O+rfef3Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:07.844246Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0012086","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:915bee79d93285949f8bd1707389d9eaaeff1cd18dbe241ff5540a2ef13b30db","sha256:df005289f1872e6e8493555a2b340d917023e41799967562c5079df23aba3cb3"],"state_sha256":"3b24e9922d1f5696f012a1e0857542f920ac13963d3fcca8288dbe275a3540fa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TYGLZiDkg1F05FPnhY4XAl5iMUxaKE4F9ou9bY/Q9LDGn634OB2V1EdVXdvFWnLI/9bdqOxp2O8JRoaoXP6NAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T19:22:23.139492Z","bundle_sha256":"58aacd67adb2fd3b01f29ece7258b2e491b7176256eadba028321a86c83d6f96"}}