{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:NOB3VVRWXZ6IPDFW7TKZU3OH6X","short_pith_number":"pith:NOB3VVRW","canonical_record":{"source":{"id":"1103.5021","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-25T16:33:09Z","cross_cats_sorted":[],"title_canon_sha256":"5c1a19903aaea1f63ae186434b2d8593bbafb22568a9441e218f6b8f62544667","abstract_canon_sha256":"931a386335b62f912c7f8c1e58aeeb07d93cbd36583b072ff446ed1952adaf63"},"schema_version":"1.0"},"canonical_sha256":"6b83bad636be7c878cb6fcd59a6dc7f5ffe076fef1ba48788ba465a178882b52","source":{"kind":"arxiv","id":"1103.5021","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.5021","created_at":"2026-05-18T04:25:48Z"},{"alias_kind":"arxiv_version","alias_value":"1103.5021v1","created_at":"2026-05-18T04:25:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.5021","created_at":"2026-05-18T04:25:48Z"},{"alias_kind":"pith_short_12","alias_value":"NOB3VVRWXZ6I","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"NOB3VVRWXZ6IPDFW","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"NOB3VVRW","created_at":"2026-05-18T12:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:NOB3VVRWXZ6IPDFW7TKZU3OH6X","target":"record","payload":{"canonical_record":{"source":{"id":"1103.5021","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-25T16:33:09Z","cross_cats_sorted":[],"title_canon_sha256":"5c1a19903aaea1f63ae186434b2d8593bbafb22568a9441e218f6b8f62544667","abstract_canon_sha256":"931a386335b62f912c7f8c1e58aeeb07d93cbd36583b072ff446ed1952adaf63"},"schema_version":"1.0"},"canonical_sha256":"6b83bad636be7c878cb6fcd59a6dc7f5ffe076fef1ba48788ba465a178882b52","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:25:48.177621Z","signature_b64":"vKSYf+y9qlRVY403yTJE+gtge6HmQEYxnhfyM8aMLkae8C1UZHx8OMhzpZqlFWbFsPXwwxRgMcGMESgHeAc3AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b83bad636be7c878cb6fcd59a6dc7f5ffe076fef1ba48788ba465a178882b52","last_reissued_at":"2026-05-18T04:25:48.177152Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:25:48.177152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.5021","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":"2026-05-18T04:25:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CH456gcy5+LYWb32YAJhSNeZVPFjGkhUU0MPdhd6SqDBext1XmJtuk88qyrBHQ4cjyh8+LpErNsDiHA1QhIZAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T12:17:02.277501Z"},"content_sha256":"bbdc1e1b538f8a2004e0f7f959c6f555b91190c17654f0f035ac27e0df2356c6","schema_version":"1.0","event_id":"sha256:bbdc1e1b538f8a2004e0f7f959c6f555b91190c17654f0f035ac27e0df2356c6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:NOB3VVRWXZ6IPDFW7TKZU3OH6X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Temperature dependence of core loss in cobalt substituted Ni-Zn-Cu ferrites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Antony Lucas (SATIE, Eric Labour\\'e (LGEP), Frederic Mazaleyrat (SATIE, IA), Richard Lebourgeois (TRT), TRT)","submitted_at":"2011-03-25T16:33:09Z","abstract_excerpt":"The temperature dependence of core loss in cobalt substituted Ni-Zn-Cu ferrites was investigated. Co2+ ions are known to lead to a compensation of the magneto-crystalline anisotropy in Ni-Zn ferrites, at a temperature depending on the cobalt content and the Ni/Zn ratio. We observed similar behaviour in Ni-Zn-Cu and it was found that the core loss goes through a minimum around this magneto-crystalline anisotropy compensation. Moreover, the anisotropy induced by the cobalt allowed a strong decrease of core loss, a ferrite having a core loss of 350 mW/cm3 at 80 ^\\circ C was then developed (measur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.5021","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":"2026-05-18T04:25:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UjoQJ9Ka8ZN1tuCbmAW5Ob80W8WXF+xNI6RzqFGP1IMnAfZxnBchwjNU1zjsQG4wix68g4gHlMBo2QOuGYw2Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T12:17:02.277866Z"},"content_sha256":"62a48b5838461f09966f01edb825ce8c1fc2e3ec247c468fbf2881db6f29f12f","schema_version":"1.0","event_id":"sha256:62a48b5838461f09966f01edb825ce8c1fc2e3ec247c468fbf2881db6f29f12f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NOB3VVRWXZ6IPDFW7TKZU3OH6X/bundle.json","state_url":"https://pith.science/pith/NOB3VVRWXZ6IPDFW7TKZU3OH6X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NOB3VVRWXZ6IPDFW7TKZU3OH6X/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":"2026-05-27T12:17:02Z","links":{"resolver":"https://pith.science/pith/NOB3VVRWXZ6IPDFW7TKZU3OH6X","bundle":"https://pith.science/pith/NOB3VVRWXZ6IPDFW7TKZU3OH6X/bundle.json","state":"https://pith.science/pith/NOB3VVRWXZ6IPDFW7TKZU3OH6X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NOB3VVRWXZ6IPDFW7TKZU3OH6X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:NOB3VVRWXZ6IPDFW7TKZU3OH6X","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":"931a386335b62f912c7f8c1e58aeeb07d93cbd36583b072ff446ed1952adaf63","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-25T16:33:09Z","title_canon_sha256":"5c1a19903aaea1f63ae186434b2d8593bbafb22568a9441e218f6b8f62544667"},"schema_version":"1.0","source":{"id":"1103.5021","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.5021","created_at":"2026-05-18T04:25:48Z"},{"alias_kind":"arxiv_version","alias_value":"1103.5021v1","created_at":"2026-05-18T04:25:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.5021","created_at":"2026-05-18T04:25:48Z"},{"alias_kind":"pith_short_12","alias_value":"NOB3VVRWXZ6I","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"NOB3VVRWXZ6IPDFW","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"NOB3VVRW","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:62a48b5838461f09966f01edb825ce8c1fc2e3ec247c468fbf2881db6f29f12f","target":"graph","created_at":"2026-05-18T04:25:48Z","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 temperature dependence of core loss in cobalt substituted Ni-Zn-Cu ferrites was investigated. Co2+ ions are known to lead to a compensation of the magneto-crystalline anisotropy in Ni-Zn ferrites, at a temperature depending on the cobalt content and the Ni/Zn ratio. We observed similar behaviour in Ni-Zn-Cu and it was found that the core loss goes through a minimum around this magneto-crystalline anisotropy compensation. Moreover, the anisotropy induced by the cobalt allowed a strong decrease of core loss, a ferrite having a core loss of 350 mW/cm3 at 80 ^\\circ C was then developed (measur","authors_text":"Antony Lucas (SATIE, Eric Labour\\'e (LGEP), Frederic Mazaleyrat (SATIE, IA), Richard Lebourgeois (TRT), TRT)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-25T16:33:09Z","title":"Temperature dependence of core loss in cobalt substituted Ni-Zn-Cu ferrites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.5021","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:bbdc1e1b538f8a2004e0f7f959c6f555b91190c17654f0f035ac27e0df2356c6","target":"record","created_at":"2026-05-18T04:25:48Z","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":"931a386335b62f912c7f8c1e58aeeb07d93cbd36583b072ff446ed1952adaf63","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-03-25T16:33:09Z","title_canon_sha256":"5c1a19903aaea1f63ae186434b2d8593bbafb22568a9441e218f6b8f62544667"},"schema_version":"1.0","source":{"id":"1103.5021","kind":"arxiv","version":1}},"canonical_sha256":"6b83bad636be7c878cb6fcd59a6dc7f5ffe076fef1ba48788ba465a178882b52","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b83bad636be7c878cb6fcd59a6dc7f5ffe076fef1ba48788ba465a178882b52","first_computed_at":"2026-05-18T04:25:48.177152Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:25:48.177152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vKSYf+y9qlRVY403yTJE+gtge6HmQEYxnhfyM8aMLkae8C1UZHx8OMhzpZqlFWbFsPXwwxRgMcGMESgHeAc3AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:25:48.177621Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.5021","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bbdc1e1b538f8a2004e0f7f959c6f555b91190c17654f0f035ac27e0df2356c6","sha256:62a48b5838461f09966f01edb825ce8c1fc2e3ec247c468fbf2881db6f29f12f"],"state_sha256":"89cae44df63c679a5d084c4b0a1ca3261c390073984b1af0f7bfb766d6f9e65d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fr5jjFJL6zFnVuhm/naieohJ1D//qeXZAovJUW1DaftH4zeX5rprWU7U0ahM+eEyyjP/FsL507xrs5jyqr/2Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T12:17:02.280879Z","bundle_sha256":"3780c7749e2f1c9bcc18ae4b012742685a64da018d8daeeb5cf339c456fd17ad"}}