{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:VI4IX6LIBI5XH3NT5ZCSTNGA44","short_pith_number":"pith:VI4IX6LI","canonical_record":{"source":{"id":"cond-mat/0204543","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2002-04-25T08:16:29Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"2f121ef932f4e4c1ac6710cf8297cc664fda156d61e1308b0cf29467114d86cd","abstract_canon_sha256":"9893191f815ab7749fe8a3cc5a67143aeda4cc1dc2754a6d6c4b328c86fbe2f3"},"schema_version":"1.0"},"canonical_sha256":"aa388bf9680a3b73edb3ee4529b4c0e7007278b1926d8273baede397e7d61f0f","source":{"kind":"arxiv","id":"cond-mat/0204543","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0204543","created_at":"2026-07-04T14:19:05Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0204543v1","created_at":"2026-07-04T14:19:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0204543","created_at":"2026-07-04T14:19:05Z"},{"alias_kind":"pith_short_12","alias_value":"VI4IX6LIBI5X","created_at":"2026-07-04T14:19:05Z"},{"alias_kind":"pith_short_16","alias_value":"VI4IX6LIBI5XH3NT","created_at":"2026-07-04T14:19:05Z"},{"alias_kind":"pith_short_8","alias_value":"VI4IX6LI","created_at":"2026-07-04T14:19:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:VI4IX6LIBI5XH3NT5ZCSTNGA44","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0204543","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2002-04-25T08:16:29Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"2f121ef932f4e4c1ac6710cf8297cc664fda156d61e1308b0cf29467114d86cd","abstract_canon_sha256":"9893191f815ab7749fe8a3cc5a67143aeda4cc1dc2754a6d6c4b328c86fbe2f3"},"schema_version":"1.0"},"canonical_sha256":"aa388bf9680a3b73edb3ee4529b4c0e7007278b1926d8273baede397e7d61f0f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:19:05.510169Z","signature_b64":"4ctpJHRhsLu3vRQldjwGPw2RZLBcvc1HQbVJ/0YCch7BRYFN1VtDYP1Ssi/+htU+1HLvxItY9/vzSSaIs4EoAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa388bf9680a3b73edb3ee4529b4c0e7007278b1926d8273baede397e7d61f0f","last_reissued_at":"2026-07-04T14:19:05.509764Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:19:05.509764Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0204543","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":"2026-07-04T14:19:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ls3/qavdtaeZp9Ii/PJFGC8MHNuulSF/8AWQ5q4veCTrC6bSVLawVAkhZ6/mJeF//gh6DfYJJJrjYIPq2goNAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T10:43:06.185160Z"},"content_sha256":"107b09ecd3a2fe9ee603391f3bec17fc9ca9f20ea8d4c7380b128c18b156f47f","schema_version":"1.0","event_id":"sha256:107b09ecd3a2fe9ee603391f3bec17fc9ca9f20ea8d4c7380b128c18b156f47f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:VI4IX6LIBI5XH3NT5ZCSTNGA44","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Raman scattering, X-ray photoemission spectra and superconductivity of a tiny Ag diffusion to MgCNi3","license":"","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"C. Dong, Fa-Min Liu, H. Chen, J. Q. Li, T. M. Wang, Y. Q. Zhou","submitted_at":"2002-04-25T08:16:29Z","abstract_excerpt":"The tiny Ag diffusion to MgCNi3 has been prepared by solid states reaction. Its structure was characterized by X-ray diffractometer (XRD). The results show that a small mount of Ag substitute for Ni sites, and much of Ag are in vacancy sites of the MgCNi3. We have further studied the surface properties of Ag-MgCNi3 using Raman scattering spectra, and X-ray photoemission spectra (XPS). Raman spectroscopy shows that the Ag-MgCNi3 has a special Raman peak around 842.1 cm-1 compared to that of C. The superconductor transition temperature (about 6.6 K) of Ag-MgCNi3 was lower than that of pure MgCNi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0204543","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0204543/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":"2026-07-04T14:19:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U6njFqFsi8dMrg/pKApkSCmSFWeSdHKi0y8rr3+ZdVp8NSrNORZaV5Oo/NPvo2x3o19t2oD6doXiF5FBELX7Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T10:43:06.185549Z"},"content_sha256":"f1cf4b944748a0596eb84262769ab385224a6e758d7760618d21b532aab05311","schema_version":"1.0","event_id":"sha256:f1cf4b944748a0596eb84262769ab385224a6e758d7760618d21b532aab05311"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VI4IX6LIBI5XH3NT5ZCSTNGA44/bundle.json","state_url":"https://pith.science/pith/VI4IX6LIBI5XH3NT5ZCSTNGA44/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VI4IX6LIBI5XH3NT5ZCSTNGA44/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":"2026-07-07T10:43:06Z","links":{"resolver":"https://pith.science/pith/VI4IX6LIBI5XH3NT5ZCSTNGA44","bundle":"https://pith.science/pith/VI4IX6LIBI5XH3NT5ZCSTNGA44/bundle.json","state":"https://pith.science/pith/VI4IX6LIBI5XH3NT5ZCSTNGA44/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VI4IX6LIBI5XH3NT5ZCSTNGA44/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:VI4IX6LIBI5XH3NT5ZCSTNGA44","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":"9893191f815ab7749fe8a3cc5a67143aeda4cc1dc2754a6d6c4b328c86fbe2f3","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2002-04-25T08:16:29Z","title_canon_sha256":"2f121ef932f4e4c1ac6710cf8297cc664fda156d61e1308b0cf29467114d86cd"},"schema_version":"1.0","source":{"id":"cond-mat/0204543","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0204543","created_at":"2026-07-04T14:19:05Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0204543v1","created_at":"2026-07-04T14:19:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0204543","created_at":"2026-07-04T14:19:05Z"},{"alias_kind":"pith_short_12","alias_value":"VI4IX6LIBI5X","created_at":"2026-07-04T14:19:05Z"},{"alias_kind":"pith_short_16","alias_value":"VI4IX6LIBI5XH3NT","created_at":"2026-07-04T14:19:05Z"},{"alias_kind":"pith_short_8","alias_value":"VI4IX6LI","created_at":"2026-07-04T14:19:05Z"}],"graph_snapshots":[{"event_id":"sha256:f1cf4b944748a0596eb84262769ab385224a6e758d7760618d21b532aab05311","target":"graph","created_at":"2026-07-04T14:19:05Z","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/0204543/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The tiny Ag diffusion to MgCNi3 has been prepared by solid states reaction. Its structure was characterized by X-ray diffractometer (XRD). The results show that a small mount of Ag substitute for Ni sites, and much of Ag are in vacancy sites of the MgCNi3. We have further studied the surface properties of Ag-MgCNi3 using Raman scattering spectra, and X-ray photoemission spectra (XPS). Raman spectroscopy shows that the Ag-MgCNi3 has a special Raman peak around 842.1 cm-1 compared to that of C. The superconductor transition temperature (about 6.6 K) of Ag-MgCNi3 was lower than that of pure MgCNi","authors_text":"C. Dong, Fa-Min Liu, H. Chen, J. Q. Li, T. M. Wang, Y. Q. Zhou","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2002-04-25T08:16:29Z","title":"Raman scattering, X-ray photoemission spectra and superconductivity of a tiny Ag diffusion to MgCNi3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0204543","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":"sha256:107b09ecd3a2fe9ee603391f3bec17fc9ca9f20ea8d4c7380b128c18b156f47f","target":"record","created_at":"2026-07-04T14:19:05Z","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":"9893191f815ab7749fe8a3cc5a67143aeda4cc1dc2754a6d6c4b328c86fbe2f3","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2002-04-25T08:16:29Z","title_canon_sha256":"2f121ef932f4e4c1ac6710cf8297cc664fda156d61e1308b0cf29467114d86cd"},"schema_version":"1.0","source":{"id":"cond-mat/0204543","kind":"arxiv","version":1}},"canonical_sha256":"aa388bf9680a3b73edb3ee4529b4c0e7007278b1926d8273baede397e7d61f0f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa388bf9680a3b73edb3ee4529b4c0e7007278b1926d8273baede397e7d61f0f","first_computed_at":"2026-07-04T14:19:05.509764Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:19:05.509764Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4ctpJHRhsLu3vRQldjwGPw2RZLBcvc1HQbVJ/0YCch7BRYFN1VtDYP1Ssi/+htU+1HLvxItY9/vzSSaIs4EoAg==","signature_status":"signed_v1","signed_at":"2026-07-04T14:19:05.510169Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0204543","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:107b09ecd3a2fe9ee603391f3bec17fc9ca9f20ea8d4c7380b128c18b156f47f","sha256:f1cf4b944748a0596eb84262769ab385224a6e758d7760618d21b532aab05311"],"state_sha256":"295e06b13418e15afdc36eacaaa523ed8a609f5acd0d5d40432cf92650a4cd5c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AGr0sb2ecyEfMuYImVzaRp3uwlosWBVKz0AKe8eUCxBcG/y3dvumoiKYaBRepF/upjQriXG1utEFqWhuUnL9Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T10:43:06.187807Z","bundle_sha256":"8179c3a319d9cd3f90225ef0769e0c4fe5c4017b1a47ac19530ba4dec4ac4c07"}}