{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:4PKOFMZCEKB744PTIWOXFZGEBI","short_pith_number":"pith:4PKOFMZC","canonical_record":{"source":{"id":"cond-mat/0404186","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2004-04-07T21:47:29Z","cross_cats_sorted":[],"title_canon_sha256":"67fd23f8975202a64372f30233b7c779253d5fedc606a0cfa79c5637798c2242","abstract_canon_sha256":"a2e67e1448b11cd45339c4d70d43cd789ea6f874d8904d075ce90e65ad910927"},"schema_version":"1.0"},"canonical_sha256":"e3d4e2b3222283fe71f3459d72e4c40a399769ab3cc429a4dfada8d49012dafc","source":{"kind":"arxiv","id":"cond-mat/0404186","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0404186","created_at":"2026-05-18T01:06:54Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0404186v1","created_at":"2026-05-18T01:06:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0404186","created_at":"2026-05-18T01:06:54Z"},{"alias_kind":"pith_short_12","alias_value":"4PKOFMZCEKB7","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"4PKOFMZCEKB744PT","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"4PKOFMZC","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:4PKOFMZCEKB744PTIWOXFZGEBI","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0404186","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2004-04-07T21:47:29Z","cross_cats_sorted":[],"title_canon_sha256":"67fd23f8975202a64372f30233b7c779253d5fedc606a0cfa79c5637798c2242","abstract_canon_sha256":"a2e67e1448b11cd45339c4d70d43cd789ea6f874d8904d075ce90e65ad910927"},"schema_version":"1.0"},"canonical_sha256":"e3d4e2b3222283fe71f3459d72e4c40a399769ab3cc429a4dfada8d49012dafc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:54.237553Z","signature_b64":"H254xxSOaWEOIofrMQEU3iKEQeDtIosrQl0d+YnG7OgfBwXFSLYV/BKjZavyXgQZYYHYbp3nXvyILkY2kB/gBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3d4e2b3222283fe71f3459d72e4c40a399769ab3cc429a4dfada8d49012dafc","last_reissued_at":"2026-05-18T01:06:54.237035Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:54.237035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0404186","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":"2026-05-18T01:06:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gd9nM/cR4gqzlg7Pdo5NPjiE2qoXT+S6jpgkem79npdI5iiVKJuttzgWnreoMeFInnSaFwQdhR6kRCXALdfDDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:49:19.559758Z"},"content_sha256":"b82050b39a6625d296449f5b18e3f668e5f72eec6d7d16d9fda6dcdda2c7c998","schema_version":"1.0","event_id":"sha256:b82050b39a6625d296449f5b18e3f668e5f72eec6d7d16d9fda6dcdda2c7c998"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:4PKOFMZCEKB744PTIWOXFZGEBI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Absence of room temperature ferromagnetism in bulk Mn-doped ZnO","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B. Dabrowski, S. Kolesnik","submitted_at":"2004-04-07T21:47:29Z","abstract_excerpt":"Structural and magnetic properties have been studied for polycrystalline Zn_1-xMn_xO (x=0.02, 0.03, 0.05). Low-temperature (~500 oC) synthesis leaves unreacted starting ZnO and manganese oxides. Contrary to a recent report, no bulk ferromagnetism was observed for single-phase materials synthesized in air at temperatures above 900 oC. Single-phase samples show paramagnetic Curie-Weiss behavior."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0404186","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":"2026-05-18T01:06:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3LCNG0wqHOpU0H3ASS+nXPG4r2KPkXQePELx5YNIG9JjnIcBJTHS+NewMhVNf5IYqcJwxpdUMXwiw34YDOgICg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:49:19.560094Z"},"content_sha256":"afc8bf9a0bd4944d31153b07597cfeb8dab8a746a5bc904e75f4b4c397c25d83","schema_version":"1.0","event_id":"sha256:afc8bf9a0bd4944d31153b07597cfeb8dab8a746a5bc904e75f4b4c397c25d83"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4PKOFMZCEKB744PTIWOXFZGEBI/bundle.json","state_url":"https://pith.science/pith/4PKOFMZCEKB744PTIWOXFZGEBI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4PKOFMZCEKB744PTIWOXFZGEBI/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":"2026-06-02T06:49:19Z","links":{"resolver":"https://pith.science/pith/4PKOFMZCEKB744PTIWOXFZGEBI","bundle":"https://pith.science/pith/4PKOFMZCEKB744PTIWOXFZGEBI/bundle.json","state":"https://pith.science/pith/4PKOFMZCEKB744PTIWOXFZGEBI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4PKOFMZCEKB744PTIWOXFZGEBI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:4PKOFMZCEKB744PTIWOXFZGEBI","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":"a2e67e1448b11cd45339c4d70d43cd789ea6f874d8904d075ce90e65ad910927","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2004-04-07T21:47:29Z","title_canon_sha256":"67fd23f8975202a64372f30233b7c779253d5fedc606a0cfa79c5637798c2242"},"schema_version":"1.0","source":{"id":"cond-mat/0404186","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0404186","created_at":"2026-05-18T01:06:54Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0404186v1","created_at":"2026-05-18T01:06:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0404186","created_at":"2026-05-18T01:06:54Z"},{"alias_kind":"pith_short_12","alias_value":"4PKOFMZCEKB7","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"4PKOFMZCEKB744PT","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"4PKOFMZC","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:afc8bf9a0bd4944d31153b07597cfeb8dab8a746a5bc904e75f4b4c397c25d83","target":"graph","created_at":"2026-05-18T01:06:54Z","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":"Structural and magnetic properties have been studied for polycrystalline Zn_1-xMn_xO (x=0.02, 0.03, 0.05). Low-temperature (~500 oC) synthesis leaves unreacted starting ZnO and manganese oxides. Contrary to a recent report, no bulk ferromagnetism was observed for single-phase materials synthesized in air at temperatures above 900 oC. Single-phase samples show paramagnetic Curie-Weiss behavior.","authors_text":"B. Dabrowski, S. Kolesnik","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2004-04-07T21:47:29Z","title":"Absence of room temperature ferromagnetism in bulk Mn-doped ZnO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0404186","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:b82050b39a6625d296449f5b18e3f668e5f72eec6d7d16d9fda6dcdda2c7c998","target":"record","created_at":"2026-05-18T01:06:54Z","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":"a2e67e1448b11cd45339c4d70d43cd789ea6f874d8904d075ce90e65ad910927","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2004-04-07T21:47:29Z","title_canon_sha256":"67fd23f8975202a64372f30233b7c779253d5fedc606a0cfa79c5637798c2242"},"schema_version":"1.0","source":{"id":"cond-mat/0404186","kind":"arxiv","version":1}},"canonical_sha256":"e3d4e2b3222283fe71f3459d72e4c40a399769ab3cc429a4dfada8d49012dafc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e3d4e2b3222283fe71f3459d72e4c40a399769ab3cc429a4dfada8d49012dafc","first_computed_at":"2026-05-18T01:06:54.237035Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:54.237035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H254xxSOaWEOIofrMQEU3iKEQeDtIosrQl0d+YnG7OgfBwXFSLYV/BKjZavyXgQZYYHYbp3nXvyILkY2kB/gBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:54.237553Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0404186","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b82050b39a6625d296449f5b18e3f668e5f72eec6d7d16d9fda6dcdda2c7c998","sha256:afc8bf9a0bd4944d31153b07597cfeb8dab8a746a5bc904e75f4b4c397c25d83"],"state_sha256":"83e4321d8c85a6e25282970916d52ec90db28cc16fd89678419bc7e90638fc80"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ly9wKr/4OLRflE6HgV+/RBaVoIaq3jH4PndvsIm0MSAz+E8YOJRhkvOsl150aoMAxx1hVpSmM7Q5cfwzcZgBCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T06:49:19.562039Z","bundle_sha256":"9aebb0944aa6a6fb8048ba02f94c34c443d3fac62a67f155c39abb9ace1ee74d"}}