{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:GE3HOT6CQVZJUXI2MU4VB6XRIZ","short_pith_number":"pith:GE3HOT6C","canonical_record":{"source":{"id":"cond-mat/0207093","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2002-07-03T09:58:44Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"b2f8eb2ac255ad4c365856cd31c962dc44b24f6db0a9224c941c07af88e1e958","abstract_canon_sha256":"7085ca8a553f9f1636ef435a7bdce78cb18b01bc593a0cb2dc855c6b68539c71"},"schema_version":"1.0"},"canonical_sha256":"3136774fc285729a5d1a653950faf1464e0aece5171705ef4ad016521514c8f9","source":{"kind":"arxiv","id":"cond-mat/0207093","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0207093","created_at":"2026-07-04T14:19:12Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0207093v2","created_at":"2026-07-04T14:19:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0207093","created_at":"2026-07-04T14:19:12Z"},{"alias_kind":"pith_short_12","alias_value":"GE3HOT6CQVZJ","created_at":"2026-07-04T14:19:12Z"},{"alias_kind":"pith_short_16","alias_value":"GE3HOT6CQVZJUXI2","created_at":"2026-07-04T14:19:12Z"},{"alias_kind":"pith_short_8","alias_value":"GE3HOT6C","created_at":"2026-07-04T14:19:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:GE3HOT6CQVZJUXI2MU4VB6XRIZ","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0207093","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2002-07-03T09:58:44Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"b2f8eb2ac255ad4c365856cd31c962dc44b24f6db0a9224c941c07af88e1e958","abstract_canon_sha256":"7085ca8a553f9f1636ef435a7bdce78cb18b01bc593a0cb2dc855c6b68539c71"},"schema_version":"1.0"},"canonical_sha256":"3136774fc285729a5d1a653950faf1464e0aece5171705ef4ad016521514c8f9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:19:12.002009Z","signature_b64":"dFw9QeXSt9gg0D4ikCrc1ny0fM10qoa+bBZAA5v6o7mMJPXcc8I7F13kfyhGcXnjPgiqHyl+wGlLoQ3d4C2eAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3136774fc285729a5d1a653950faf1464e0aece5171705ef4ad016521514c8f9","last_reissued_at":"2026-07-04T14:19:12.001604Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:19:12.001604Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0207093","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T14:19:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LKI0p+83L5MKmL730trqn8tnFSXjh/y5xdenekMBUZQpOk7SDQTqqYT7fgpxqeKkiRDE3ZPrQq/zofKNGDvLBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T06:49:27.822240Z"},"content_sha256":"d11651494e0d904d2d082eee49cf6a8d60361e99561fefa163b1adae21214ff7","schema_version":"1.0","event_id":"sha256:d11651494e0d904d2d082eee49cf6a8d60361e99561fefa163b1adae21214ff7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:GE3HOT6CQVZJUXI2MU4VB6XRIZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superconductivity, critical current density, and flux pinning in MgB_{2-x}(SiC)_{x/2} superconductor after SiC nanoparticle doping","license":"","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"A. V. Pan, H. K. Liu, J. Horvat, M. Ionescu, P. R. Munroe, S. X. Dou, S. Zhou, X. L. Wang","submitted_at":"2002-07-03T09:58:44Z","abstract_excerpt":"We investigated the effect of SiC nano-particle doping on the crystal lattice structure, critical temperature T_c, critical current density J_c, and flux pinning in MgB_2 superconductor. A series of MgB_{2-x}(SiC)_{x/2} samples with x = 0 to 1.0 were fabricated using in-situ reaction process. The contraction of the lattice and depression of T_c with increasing SiC doping level remained rather small due to the counter-balanced effect of Si and C co-doping. The high level Si and C co-doping allowed the creation of intra-grain defects and highly dispersed nano-inclusions within the grains which c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0207093","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0207093/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T14:19:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wId28lF6/mG5sRpU+qpfPx0M/ga/aChQAwdePd8ejvaV0NYSttHosAy1poXsQcpDuObNGnSI5f/69CMP2W8NDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T06:49:27.822630Z"},"content_sha256":"e3a0961b40599dd146ca9f02b63c1d27235e66ddcd15e9ee220cb19492ed96b0","schema_version":"1.0","event_id":"sha256:e3a0961b40599dd146ca9f02b63c1d27235e66ddcd15e9ee220cb19492ed96b0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GE3HOT6CQVZJUXI2MU4VB6XRIZ/bundle.json","state_url":"https://pith.science/pith/GE3HOT6CQVZJUXI2MU4VB6XRIZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GE3HOT6CQVZJUXI2MU4VB6XRIZ/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":"2026-07-05T06:49:27Z","links":{"resolver":"https://pith.science/pith/GE3HOT6CQVZJUXI2MU4VB6XRIZ","bundle":"https://pith.science/pith/GE3HOT6CQVZJUXI2MU4VB6XRIZ/bundle.json","state":"https://pith.science/pith/GE3HOT6CQVZJUXI2MU4VB6XRIZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GE3HOT6CQVZJUXI2MU4VB6XRIZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:GE3HOT6CQVZJUXI2MU4VB6XRIZ","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":"7085ca8a553f9f1636ef435a7bdce78cb18b01bc593a0cb2dc855c6b68539c71","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2002-07-03T09:58:44Z","title_canon_sha256":"b2f8eb2ac255ad4c365856cd31c962dc44b24f6db0a9224c941c07af88e1e958"},"schema_version":"1.0","source":{"id":"cond-mat/0207093","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0207093","created_at":"2026-07-04T14:19:12Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0207093v2","created_at":"2026-07-04T14:19:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0207093","created_at":"2026-07-04T14:19:12Z"},{"alias_kind":"pith_short_12","alias_value":"GE3HOT6CQVZJ","created_at":"2026-07-04T14:19:12Z"},{"alias_kind":"pith_short_16","alias_value":"GE3HOT6CQVZJUXI2","created_at":"2026-07-04T14:19:12Z"},{"alias_kind":"pith_short_8","alias_value":"GE3HOT6C","created_at":"2026-07-04T14:19:12Z"}],"graph_snapshots":[{"event_id":"sha256:e3a0961b40599dd146ca9f02b63c1d27235e66ddcd15e9ee220cb19492ed96b0","target":"graph","created_at":"2026-07-04T14:19:12Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/0207093/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigated the effect of SiC nano-particle doping on the crystal lattice structure, critical temperature T_c, critical current density J_c, and flux pinning in MgB_2 superconductor. A series of MgB_{2-x}(SiC)_{x/2} samples with x = 0 to 1.0 were fabricated using in-situ reaction process. The contraction of the lattice and depression of T_c with increasing SiC doping level remained rather small due to the counter-balanced effect of Si and C co-doping. The high level Si and C co-doping allowed the creation of intra-grain defects and highly dispersed nano-inclusions within the grains which c","authors_text":"A. V. Pan, H. K. Liu, J. Horvat, M. Ionescu, P. R. Munroe, S. X. Dou, S. Zhou, X. L. Wang","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2002-07-03T09:58:44Z","title":"Superconductivity, critical current density, and flux pinning in MgB_{2-x}(SiC)_{x/2} superconductor after SiC nanoparticle doping"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0207093","kind":"arxiv","version":2},"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:d11651494e0d904d2d082eee49cf6a8d60361e99561fefa163b1adae21214ff7","target":"record","created_at":"2026-07-04T14:19:12Z","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":"7085ca8a553f9f1636ef435a7bdce78cb18b01bc593a0cb2dc855c6b68539c71","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2002-07-03T09:58:44Z","title_canon_sha256":"b2f8eb2ac255ad4c365856cd31c962dc44b24f6db0a9224c941c07af88e1e958"},"schema_version":"1.0","source":{"id":"cond-mat/0207093","kind":"arxiv","version":2}},"canonical_sha256":"3136774fc285729a5d1a653950faf1464e0aece5171705ef4ad016521514c8f9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3136774fc285729a5d1a653950faf1464e0aece5171705ef4ad016521514c8f9","first_computed_at":"2026-07-04T14:19:12.001604Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:19:12.001604Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dFw9QeXSt9gg0D4ikCrc1ny0fM10qoa+bBZAA5v6o7mMJPXcc8I7F13kfyhGcXnjPgiqHyl+wGlLoQ3d4C2eAg==","signature_status":"signed_v1","signed_at":"2026-07-04T14:19:12.002009Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0207093","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d11651494e0d904d2d082eee49cf6a8d60361e99561fefa163b1adae21214ff7","sha256:e3a0961b40599dd146ca9f02b63c1d27235e66ddcd15e9ee220cb19492ed96b0"],"state_sha256":"6e092085f8a37648c6b6377d44e0cf075398dc53e0644cd0387936a77692241e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pDn8GGphhu2BrTCOvLIFX5MUdxnk6llzJ2/cB8s/yc6CLu7K9g/Cc0sVBUsKR0AW7BzuVpcS8mO8GgE+3KiTBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T06:49:27.824722Z","bundle_sha256":"fee2c78c5834f9410d288fbcd24c3bb5ec86e6834628758d031ebe4e5445fe81"}}