{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:XR3CMNGLUBJ666LSFPM7CMWOUP","short_pith_number":"pith:XR3CMNGL","schema_version":"1.0","canonical_sha256":"bc762634cba053ef79722bd9f132cea3e2c0585e0feba1e3bc7dbc423acb8c2b","source":{"kind":"arxiv","id":"2212.03543","version":1},"attestation_state":"computed","paper":{"title":"Fragile electronic superconductivity in Bi Single crystal","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.supr-con","authors_text":"Anil Kumar, Arindam Pramanik, Arumugam Thamizhavel, Biplab Bag, Om Prakash, Rajdeep Sensarma, Rajendra Loke, Sitaram Ramakrishnan, Srinivasan Ramakrishnan","submitted_at":"2022-12-07T09:49:02Z","abstract_excerpt":"It was presumed that semimetal Bismuth (Bi) would not show superconductivity (SC) even at ultra-low temperatures ($<$10 mK) due to its very low carrier density ($\\approx 3\\times10^{17}$cm$^{-3}$). Recently, we have established bulk superconductivity in ultra-pure (99.9999\\%) Bi single crystal at $\\mathrm{T_C = 0.53}$ mK with an extrapolated upper critical field $\\mathrm{H_C(0) = 5.2\\mu}$T measured along the [$0001$] (trigonal) -crystallographic direction. At very low concentrations of the charge carriers, we are dealing with fragile Cooper pairs with an estimated large coherence length $\\mathr"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2212.03543","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-12-07T09:49:02Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"abba7831da6aa9b319ce5323cbbf519260a7fc718524a113eaaf27afb864e930","abstract_canon_sha256":"67f1fb26a246907bd37d27c149f00658ba296cc847ffdbff02b5695fea410782"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:23:17.781627Z","signature_b64":"a8k2lOM3UX4UfJ4AihWLrAKoevp0+N/A9L/vxpvmLUv9k95loz/WgW0OgBWscOX8t7aeuxWEEkAnhXDK1xWGAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bc762634cba053ef79722bd9f132cea3e2c0585e0feba1e3bc7dbc423acb8c2b","last_reissued_at":"2026-07-05T05:23:17.781211Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:23:17.781211Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fragile electronic superconductivity in Bi Single crystal","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.supr-con","authors_text":"Anil Kumar, Arindam Pramanik, Arumugam Thamizhavel, Biplab Bag, Om Prakash, Rajdeep Sensarma, Rajendra Loke, Sitaram Ramakrishnan, Srinivasan Ramakrishnan","submitted_at":"2022-12-07T09:49:02Z","abstract_excerpt":"It was presumed that semimetal Bismuth (Bi) would not show superconductivity (SC) even at ultra-low temperatures ($<$10 mK) due to its very low carrier density ($\\approx 3\\times10^{17}$cm$^{-3}$). Recently, we have established bulk superconductivity in ultra-pure (99.9999\\%) Bi single crystal at $\\mathrm{T_C = 0.53}$ mK with an extrapolated upper critical field $\\mathrm{H_C(0) = 5.2\\mu}$T measured along the [$0001$] (trigonal) -crystallographic direction. At very low concentrations of the charge carriers, we are dealing with fragile Cooper pairs with an estimated large coherence length $\\mathr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.03543","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/2212.03543/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2212.03543","created_at":"2026-07-05T05:23:17.781271+00:00"},{"alias_kind":"arxiv_version","alias_value":"2212.03543v1","created_at":"2026-07-05T05:23:17.781271+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.03543","created_at":"2026-07-05T05:23:17.781271+00:00"},{"alias_kind":"pith_short_12","alias_value":"XR3CMNGLUBJ6","created_at":"2026-07-05T05:23:17.781271+00:00"},{"alias_kind":"pith_short_16","alias_value":"XR3CMNGLUBJ666LS","created_at":"2026-07-05T05:23:17.781271+00:00"},{"alias_kind":"pith_short_8","alias_value":"XR3CMNGL","created_at":"2026-07-05T05:23:17.781271+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XR3CMNGLUBJ666LSFPM7CMWOUP","json":"https://pith.science/pith/XR3CMNGLUBJ666LSFPM7CMWOUP.json","graph_json":"https://pith.science/api/pith-number/XR3CMNGLUBJ666LSFPM7CMWOUP/graph.json","events_json":"https://pith.science/api/pith-number/XR3CMNGLUBJ666LSFPM7CMWOUP/events.json","paper":"https://pith.science/paper/XR3CMNGL"},"agent_actions":{"view_html":"https://pith.science/pith/XR3CMNGLUBJ666LSFPM7CMWOUP","download_json":"https://pith.science/pith/XR3CMNGLUBJ666LSFPM7CMWOUP.json","view_paper":"https://pith.science/paper/XR3CMNGL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2212.03543&json=true","fetch_graph":"https://pith.science/api/pith-number/XR3CMNGLUBJ666LSFPM7CMWOUP/graph.json","fetch_events":"https://pith.science/api/pith-number/XR3CMNGLUBJ666LSFPM7CMWOUP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XR3CMNGLUBJ666LSFPM7CMWOUP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XR3CMNGLUBJ666LSFPM7CMWOUP/action/storage_attestation","attest_author":"https://pith.science/pith/XR3CMNGLUBJ666LSFPM7CMWOUP/action/author_attestation","sign_citation":"https://pith.science/pith/XR3CMNGLUBJ666LSFPM7CMWOUP/action/citation_signature","submit_replication":"https://pith.science/pith/XR3CMNGLUBJ666LSFPM7CMWOUP/action/replication_record"}},"created_at":"2026-07-05T05:23:17.781271+00:00","updated_at":"2026-07-05T05:23:17.781271+00:00"}