{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:W6V7W6FS3AHRLXYYZ6ZD464HG2","short_pith_number":"pith:W6V7W6FS","canonical_record":{"source":{"id":"cond-mat/0311055","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2003-11-04T00:54:40Z","cross_cats_sorted":[],"title_canon_sha256":"2ff2382d7a519a67d3b8053b2ebc3ef348d290cc1b6de900f73a02aed8496306","abstract_canon_sha256":"708d837b870563ea34a8534ed05ff87e899cc8f9ef9adcc670835a9a2f705f11"},"schema_version":"1.0"},"canonical_sha256":"b7abfb78b2d80f15df18cfb23e7b8736af971935c0fd66be818b2a753f55bafa","source":{"kind":"arxiv","id":"cond-mat/0311055","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0311055","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0311055v2","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0311055","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"pith_short_12","alias_value":"W6V7W6FS3AHR","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"pith_short_16","alias_value":"W6V7W6FS3AHRLXYY","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"pith_short_8","alias_value":"W6V7W6FS","created_at":"2026-07-04T14:20:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:W6V7W6FS3AHRLXYYZ6ZD464HG2","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0311055","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2003-11-04T00:54:40Z","cross_cats_sorted":[],"title_canon_sha256":"2ff2382d7a519a67d3b8053b2ebc3ef348d290cc1b6de900f73a02aed8496306","abstract_canon_sha256":"708d837b870563ea34a8534ed05ff87e899cc8f9ef9adcc670835a9a2f705f11"},"schema_version":"1.0"},"canonical_sha256":"b7abfb78b2d80f15df18cfb23e7b8736af971935c0fd66be818b2a753f55bafa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:20:38.106984Z","signature_b64":"I2G1Y9ffscJEN9pFffL9oPQjxRATdQNusXn00IpN4cNwaUD1cBKYOV3VCT/iRYxmU08or9Ttqbf2C/+h166DDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b7abfb78b2d80f15df18cfb23e7b8736af971935c0fd66be818b2a753f55bafa","last_reissued_at":"2026-07-04T14:20:38.106577Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:20:38.106577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0311055","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":"2026-07-04T14:20:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xCbDUa+I+dIE2K5DeMPZQx6hdaNvhQN1iiV/WfcFLEAti7njRHMErTVc/G65uJCbp67AZCAx27R9fHEZtr69BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T18:12:42.229559Z"},"content_sha256":"618feaa992443eae4e324aa162397fbc1d371b8d0856cf5caf84fd7a873137b4","schema_version":"1.0","event_id":"sha256:618feaa992443eae4e324aa162397fbc1d371b8d0856cf5caf84fd7a873137b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:W6V7W6FS3AHRLXYYZ6ZD464HG2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Si doping on MgB2 thin films by pulsed laser deposition","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. H. Li, J. Horvat, M. Ionescu, S. X. Dou, Y. Zhao","submitted_at":"2003-11-04T00:54:40Z","abstract_excerpt":"A series of MgB2 thin films were fabricated by pulsed laser deposition (PLD), doped with various amounts of Si up to a level of 18wt%. Si was introduced into the PLD MgB2 films by sequential ablation of a stoichiometric MgB2 target and a Si target. The doped films were deposited at 250 C and annealed in situ at 685 C for 1min. Up to a Si doping level of ~11wt%, the superconducting transition temperature (Tc) of the film does not change significantly, as compared to the control, undoped film. The magnetic critical current density (Jc) of the film at 5K was increased by 50% for a Si doping level"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0311055","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/0311055/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":"2026-07-04T14:20:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cFqCvwIlyLrpF1Nw7f81piFpMgDqK6XhzghLX5fRI6iseDcEeMFhpIY9wDUoXQzKkeSJ24S0+ei5Uxkz5w7iCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T18:12:42.230446Z"},"content_sha256":"6f6c26f695e38c526b148eaa09716019df2ab0a7646e72185dd3e2a0c4a90dd7","schema_version":"1.0","event_id":"sha256:6f6c26f695e38c526b148eaa09716019df2ab0a7646e72185dd3e2a0c4a90dd7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W6V7W6FS3AHRLXYYZ6ZD464HG2/bundle.json","state_url":"https://pith.science/pith/W6V7W6FS3AHRLXYYZ6ZD464HG2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W6V7W6FS3AHRLXYYZ6ZD464HG2/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":"2026-08-10T18:12:42Z","links":{"resolver":"https://pith.science/pith/W6V7W6FS3AHRLXYYZ6ZD464HG2","bundle":"https://pith.science/pith/W6V7W6FS3AHRLXYYZ6ZD464HG2/bundle.json","state":"https://pith.science/pith/W6V7W6FS3AHRLXYYZ6ZD464HG2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W6V7W6FS3AHRLXYYZ6ZD464HG2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:W6V7W6FS3AHRLXYYZ6ZD464HG2","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":"708d837b870563ea34a8534ed05ff87e899cc8f9ef9adcc670835a9a2f705f11","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2003-11-04T00:54:40Z","title_canon_sha256":"2ff2382d7a519a67d3b8053b2ebc3ef348d290cc1b6de900f73a02aed8496306"},"schema_version":"1.0","source":{"id":"cond-mat/0311055","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0311055","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0311055v2","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0311055","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"pith_short_12","alias_value":"W6V7W6FS3AHR","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"pith_short_16","alias_value":"W6V7W6FS3AHRLXYY","created_at":"2026-07-04T14:20:38Z"},{"alias_kind":"pith_short_8","alias_value":"W6V7W6FS","created_at":"2026-07-04T14:20:38Z"}],"graph_snapshots":[{"event_id":"sha256:6f6c26f695e38c526b148eaa09716019df2ab0a7646e72185dd3e2a0c4a90dd7","target":"graph","created_at":"2026-07-04T14:20:38Z","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/0311055/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A series of MgB2 thin films were fabricated by pulsed laser deposition (PLD), doped with various amounts of Si up to a level of 18wt%. Si was introduced into the PLD MgB2 films by sequential ablation of a stoichiometric MgB2 target and a Si target. The doped films were deposited at 250 C and annealed in situ at 685 C for 1min. Up to a Si doping level of ~11wt%, the superconducting transition temperature (Tc) of the film does not change significantly, as compared to the control, undoped film. The magnetic critical current density (Jc) of the film at 5K was increased by 50% for a Si doping level","authors_text":"A. H. Li, J. Horvat, M. Ionescu, S. X. Dou, Y. Zhao","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2003-11-04T00:54:40Z","title":"Si doping on MgB2 thin films by pulsed laser deposition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0311055","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":"sha256:618feaa992443eae4e324aa162397fbc1d371b8d0856cf5caf84fd7a873137b4","target":"record","created_at":"2026-07-04T14:20:38Z","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":"708d837b870563ea34a8534ed05ff87e899cc8f9ef9adcc670835a9a2f705f11","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2003-11-04T00:54:40Z","title_canon_sha256":"2ff2382d7a519a67d3b8053b2ebc3ef348d290cc1b6de900f73a02aed8496306"},"schema_version":"1.0","source":{"id":"cond-mat/0311055","kind":"arxiv","version":2}},"canonical_sha256":"b7abfb78b2d80f15df18cfb23e7b8736af971935c0fd66be818b2a753f55bafa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b7abfb78b2d80f15df18cfb23e7b8736af971935c0fd66be818b2a753f55bafa","first_computed_at":"2026-07-04T14:20:38.106577Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:20:38.106577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I2G1Y9ffscJEN9pFffL9oPQjxRATdQNusXn00IpN4cNwaUD1cBKYOV3VCT/iRYxmU08or9Ttqbf2C/+h166DDg==","signature_status":"signed_v1","signed_at":"2026-07-04T14:20:38.106984Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0311055","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:618feaa992443eae4e324aa162397fbc1d371b8d0856cf5caf84fd7a873137b4","sha256:6f6c26f695e38c526b148eaa09716019df2ab0a7646e72185dd3e2a0c4a90dd7"],"state_sha256":"b9eb8b2622270e5b3ebf6fe8e702d4fd0fbf2f33d6f347f336cbcbb3fb878279"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YOnrZXeLdk4ES7BrGGmnKNH3l+kjdmg/KC8mRyUjUy2pzFFdunmtn6SurBifLG9RDH47tLeKkZy1PSn6d+nkDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T18:12:42.235958Z","bundle_sha256":"d331690bd9a946bc80732fa48ea1da104910fa471a02dc69db30f4b9b655163d"}}