{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:SI22L6AHEP4GQ26Q5KRFEEZBO4","short_pith_number":"pith:SI22L6AH","canonical_record":{"source":{"id":"0808.2357","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2008-08-18T09:13:59Z","cross_cats_sorted":[],"title_canon_sha256":"4282991e89c6e40e95597ba17f80f8913af22419d3355a3e3835f83a4c6b7448","abstract_canon_sha256":"0a6ac35ce051b012e948933593dcb08420a258b6bebff4c8ec0710dcb06e4b10"},"schema_version":"1.0"},"canonical_sha256":"9235a5f80723f8686bd0eaa252132177223400ab81f36820d72de25e30c0ed54","source":{"kind":"arxiv","id":"0808.2357","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.2357","created_at":"2026-07-04T17:12:23Z"},{"alias_kind":"arxiv_version","alias_value":"0808.2357v3","created_at":"2026-07-04T17:12:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.2357","created_at":"2026-07-04T17:12:23Z"},{"alias_kind":"pith_short_12","alias_value":"SI22L6AHEP4G","created_at":"2026-07-04T17:12:23Z"},{"alias_kind":"pith_short_16","alias_value":"SI22L6AHEP4GQ26Q","created_at":"2026-07-04T17:12:23Z"},{"alias_kind":"pith_short_8","alias_value":"SI22L6AH","created_at":"2026-07-04T17:12:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:SI22L6AHEP4GQ26Q5KRFEEZBO4","target":"record","payload":{"canonical_record":{"source":{"id":"0808.2357","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2008-08-18T09:13:59Z","cross_cats_sorted":[],"title_canon_sha256":"4282991e89c6e40e95597ba17f80f8913af22419d3355a3e3835f83a4c6b7448","abstract_canon_sha256":"0a6ac35ce051b012e948933593dcb08420a258b6bebff4c8ec0710dcb06e4b10"},"schema_version":"1.0"},"canonical_sha256":"9235a5f80723f8686bd0eaa252132177223400ab81f36820d72de25e30c0ed54","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:12:23.038449Z","signature_b64":"Iu190IHhBL93JUgPZkstcV8xb/t8pR057kGf6IrjSr0/XNy9s3DESplLZ4XPG9sYpsht6+7tZcRE4jxLS4nfDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9235a5f80723f8686bd0eaa252132177223400ab81f36820d72de25e30c0ed54","last_reissued_at":"2026-07-04T17:12:23.038084Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:12:23.038084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0808.2357","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T17:12:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SB6wZQiYsIQPtEJiyI7/Q+0XAhEeePwph/4bDAetqglByEFwNaiQT+A9BuWC7gNQsZjp/yELWuN+gpOIjWkMCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T21:09:54.406807Z"},"content_sha256":"e6803d2d85ab41224e6f739532c5450e880ef937d8d60eb5a0e09ab1cc9eba02","schema_version":"1.0","event_id":"sha256:e6803d2d85ab41224e6f739532c5450e880ef937d8d60eb5a0e09ab1cc9eba02"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:SI22L6AHEP4GQ26Q5KRFEEZBO4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Single crystal growth and characterizations of Cu0.03TaS2 superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"B. S. Wang, G. Li, J. M. Dai, W. H. Song, X. B. Zhu, X. D. Zhu, X. Luo, Y. P. Sun, Z. R. Yang","submitted_at":"2008-08-18T09:13:59Z","abstract_excerpt":"Single crystal of Cu0.03TaS2 with low copper intercalated content was successfully grown via chemical iodine-vapor transport. The structural characterization results show that the copper intercalated 2H-Cu0.03TaS2 single crystal has the same structure of the CdI2-type structure as the parent 2H-TaS2 crystal. Electrical resistivity and magnetization measurements reveal that 2H-Cu0.03TaS2 becomes a superconductor below 4.2 K. Besides, electrical resistivity and Hall effects results show that a charge density wave transition occurs at TCDW = 50 K."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.2357","kind":"arxiv","version":3},"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/0808.2357/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":"2026-07-04T17:12:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"atf7rKma9H/eRy8tZX6NhXU/DAHHykCVl4eikJuJsVqQ5Zo5Yip68/ByrL71N1oP64ZuUK/I+UnwlE55RffeBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T21:09:54.407864Z"},"content_sha256":"5fe75dd422f2d6370695e79c88ef5a7fadb392d88388f41f5a3fddc1ed51805c","schema_version":"1.0","event_id":"sha256:5fe75dd422f2d6370695e79c88ef5a7fadb392d88388f41f5a3fddc1ed51805c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SI22L6AHEP4GQ26Q5KRFEEZBO4/bundle.json","state_url":"https://pith.science/pith/SI22L6AHEP4GQ26Q5KRFEEZBO4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SI22L6AHEP4GQ26Q5KRFEEZBO4/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":"2026-08-06T21:09:54Z","links":{"resolver":"https://pith.science/pith/SI22L6AHEP4GQ26Q5KRFEEZBO4","bundle":"https://pith.science/pith/SI22L6AHEP4GQ26Q5KRFEEZBO4/bundle.json","state":"https://pith.science/pith/SI22L6AHEP4GQ26Q5KRFEEZBO4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SI22L6AHEP4GQ26Q5KRFEEZBO4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:SI22L6AHEP4GQ26Q5KRFEEZBO4","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":"0a6ac35ce051b012e948933593dcb08420a258b6bebff4c8ec0710dcb06e4b10","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2008-08-18T09:13:59Z","title_canon_sha256":"4282991e89c6e40e95597ba17f80f8913af22419d3355a3e3835f83a4c6b7448"},"schema_version":"1.0","source":{"id":"0808.2357","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.2357","created_at":"2026-07-04T17:12:23Z"},{"alias_kind":"arxiv_version","alias_value":"0808.2357v3","created_at":"2026-07-04T17:12:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.2357","created_at":"2026-07-04T17:12:23Z"},{"alias_kind":"pith_short_12","alias_value":"SI22L6AHEP4G","created_at":"2026-07-04T17:12:23Z"},{"alias_kind":"pith_short_16","alias_value":"SI22L6AHEP4GQ26Q","created_at":"2026-07-04T17:12:23Z"},{"alias_kind":"pith_short_8","alias_value":"SI22L6AH","created_at":"2026-07-04T17:12:23Z"}],"graph_snapshots":[{"event_id":"sha256:5fe75dd422f2d6370695e79c88ef5a7fadb392d88388f41f5a3fddc1ed51805c","target":"graph","created_at":"2026-07-04T17:12:23Z","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/0808.2357/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Single crystal of Cu0.03TaS2 with low copper intercalated content was successfully grown via chemical iodine-vapor transport. The structural characterization results show that the copper intercalated 2H-Cu0.03TaS2 single crystal has the same structure of the CdI2-type structure as the parent 2H-TaS2 crystal. Electrical resistivity and magnetization measurements reveal that 2H-Cu0.03TaS2 becomes a superconductor below 4.2 K. Besides, electrical resistivity and Hall effects results show that a charge density wave transition occurs at TCDW = 50 K.","authors_text":"B. S. Wang, G. Li, J. M. Dai, W. H. Song, X. B. Zhu, X. D. Zhu, X. Luo, Y. P. Sun, Z. R. Yang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2008-08-18T09:13:59Z","title":"Single crystal growth and characterizations of Cu0.03TaS2 superconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.2357","kind":"arxiv","version":3},"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:e6803d2d85ab41224e6f739532c5450e880ef937d8d60eb5a0e09ab1cc9eba02","target":"record","created_at":"2026-07-04T17:12:23Z","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":"0a6ac35ce051b012e948933593dcb08420a258b6bebff4c8ec0710dcb06e4b10","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2008-08-18T09:13:59Z","title_canon_sha256":"4282991e89c6e40e95597ba17f80f8913af22419d3355a3e3835f83a4c6b7448"},"schema_version":"1.0","source":{"id":"0808.2357","kind":"arxiv","version":3}},"canonical_sha256":"9235a5f80723f8686bd0eaa252132177223400ab81f36820d72de25e30c0ed54","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9235a5f80723f8686bd0eaa252132177223400ab81f36820d72de25e30c0ed54","first_computed_at":"2026-07-04T17:12:23.038084Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:12:23.038084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Iu190IHhBL93JUgPZkstcV8xb/t8pR057kGf6IrjSr0/XNy9s3DESplLZ4XPG9sYpsht6+7tZcRE4jxLS4nfDA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:12:23.038449Z","signed_message":"canonical_sha256_bytes"},"source_id":"0808.2357","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e6803d2d85ab41224e6f739532c5450e880ef937d8d60eb5a0e09ab1cc9eba02","sha256:5fe75dd422f2d6370695e79c88ef5a7fadb392d88388f41f5a3fddc1ed51805c"],"state_sha256":"43658124586a7fb37e8039b2434440e6f9fe703b50d73c29f32099406387f5e6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lEvtgUnUbMteWTaxvqVryHd3SwgJH/jbg0WC7OihPtMgvL+R6GnC7L2yRWk+N6u9K4cFf0S+PMMSkdTXgxsCDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T21:09:54.415853Z","bundle_sha256":"568b5556ea3af98969a7ed4d38371aee442e923caa1d2d612bfd1b2500f2a38f"}}