{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:BWZPTBENM72GCSKA7BMKU2ZJPM","short_pith_number":"pith:BWZPTBEN","canonical_record":{"source":{"id":"1402.0960","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-02-05T07:57:39Z","cross_cats_sorted":[],"title_canon_sha256":"f901da561593468ff5abc011581b7c542fbe4689c583eabfe021ad431f3b497c","abstract_canon_sha256":"9b31c9ab4dff637284c0d37d879b008e602d3dc545bd803908ec23f711a0410e"},"schema_version":"1.0"},"canonical_sha256":"0db2f9848d67f4614940f858aa6b297b058f41266dd365ad74ed11433bba5c1e","source":{"kind":"arxiv","id":"1402.0960","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.0960","created_at":"2026-05-18T02:57:07Z"},{"alias_kind":"arxiv_version","alias_value":"1402.0960v1","created_at":"2026-05-18T02:57:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.0960","created_at":"2026-05-18T02:57:07Z"},{"alias_kind":"pith_short_12","alias_value":"BWZPTBENM72G","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BWZPTBENM72GCSKA","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BWZPTBEN","created_at":"2026-05-18T12:28:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:BWZPTBENM72GCSKA7BMKU2ZJPM","target":"record","payload":{"canonical_record":{"source":{"id":"1402.0960","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-02-05T07:57:39Z","cross_cats_sorted":[],"title_canon_sha256":"f901da561593468ff5abc011581b7c542fbe4689c583eabfe021ad431f3b497c","abstract_canon_sha256":"9b31c9ab4dff637284c0d37d879b008e602d3dc545bd803908ec23f711a0410e"},"schema_version":"1.0"},"canonical_sha256":"0db2f9848d67f4614940f858aa6b297b058f41266dd365ad74ed11433bba5c1e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:07.238899Z","signature_b64":"amtj8oRNKcMPirJjZoo/NfT4E3C9GjsW9m65KDvvuquzWyg/lCt0tjxqIshxF7sHnikQUw2yTlmFOb6v9pcBCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0db2f9848d67f4614940f858aa6b297b058f41266dd365ad74ed11433bba5c1e","last_reissued_at":"2026-05-18T02:57:07.238416Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:07.238416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.0960","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":"2026-05-18T02:57:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GHcnVwG3UlFYEiDGbHC4bwzghvTGEd16a6ktbsGPDYAE0KezqX1j8a8qSXSrr+FgcRNocES95Wp0HQsOb2xkDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:33:34.437569Z"},"content_sha256":"42972ba39bf77f7ea5a47d2c974f3a49af18303df3a6085661c8398cd2027519","schema_version":"1.0","event_id":"sha256:42972ba39bf77f7ea5a47d2c974f3a49af18303df3a6085661c8398cd2027519"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:BWZPTBENM72GCSKA7BMKU2ZJPM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superconductivity of Cu/CuOx interface formed by shock-wave pressure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A.V. Palnichenko, D.V. Shakhrai, N.S. Sidorov, O.M. Vyaselev, S.S. Khasanov, V.V. Avdonin","submitted_at":"2014-02-05T07:57:39Z","abstract_excerpt":"A mixture of powdered Cu and CuO has been subjected to a shock-wave pressure of 350 kbar with following quenching of the vacuum-encapsulated product to 77 K. The ac magnetic susceptibility measurements of the samples have revealed metastable superconductivity with Tc = 19.5 K, characterized by glassy dynamics of the shielding currents below Tc . Comparison of the ac susceptibility and the dc magnetization measurements infers that the superconductivity arises within the granular interfacial layer formed between metallic Cu and its oxides due to the shock-wave treatment."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.0960","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":""},"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":"2026-05-18T02:57:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"osDn6nQ9QM9fzhmqeu+zvPynLCIyeaDkbbiTMklsKZ7qsVQbd1qiodzJaStB+eHX6Cogwp4iTRz7npGXigZ6DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:33:34.438207Z"},"content_sha256":"9e1eb5beae6035f546bacf933281ac936e2813602b303a5752dc12365769e420","schema_version":"1.0","event_id":"sha256:9e1eb5beae6035f546bacf933281ac936e2813602b303a5752dc12365769e420"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BWZPTBENM72GCSKA7BMKU2ZJPM/bundle.json","state_url":"https://pith.science/pith/BWZPTBENM72GCSKA7BMKU2ZJPM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BWZPTBENM72GCSKA7BMKU2ZJPM/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":"2026-05-27T03:33:34Z","links":{"resolver":"https://pith.science/pith/BWZPTBENM72GCSKA7BMKU2ZJPM","bundle":"https://pith.science/pith/BWZPTBENM72GCSKA7BMKU2ZJPM/bundle.json","state":"https://pith.science/pith/BWZPTBENM72GCSKA7BMKU2ZJPM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BWZPTBENM72GCSKA7BMKU2ZJPM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:BWZPTBENM72GCSKA7BMKU2ZJPM","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":"9b31c9ab4dff637284c0d37d879b008e602d3dc545bd803908ec23f711a0410e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-02-05T07:57:39Z","title_canon_sha256":"f901da561593468ff5abc011581b7c542fbe4689c583eabfe021ad431f3b497c"},"schema_version":"1.0","source":{"id":"1402.0960","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.0960","created_at":"2026-05-18T02:57:07Z"},{"alias_kind":"arxiv_version","alias_value":"1402.0960v1","created_at":"2026-05-18T02:57:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.0960","created_at":"2026-05-18T02:57:07Z"},{"alias_kind":"pith_short_12","alias_value":"BWZPTBENM72G","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BWZPTBENM72GCSKA","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BWZPTBEN","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:9e1eb5beae6035f546bacf933281ac936e2813602b303a5752dc12365769e420","target":"graph","created_at":"2026-05-18T02:57:07Z","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"},"paper":{"abstract_excerpt":"A mixture of powdered Cu and CuO has been subjected to a shock-wave pressure of 350 kbar with following quenching of the vacuum-encapsulated product to 77 K. The ac magnetic susceptibility measurements of the samples have revealed metastable superconductivity with Tc = 19.5 K, characterized by glassy dynamics of the shielding currents below Tc . Comparison of the ac susceptibility and the dc magnetization measurements infers that the superconductivity arises within the granular interfacial layer formed between metallic Cu and its oxides due to the shock-wave treatment.","authors_text":"A.V. Palnichenko, D.V. Shakhrai, N.S. Sidorov, O.M. Vyaselev, S.S. Khasanov, V.V. Avdonin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-02-05T07:57:39Z","title":"Superconductivity of Cu/CuOx interface formed by shock-wave pressure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.0960","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":"sha256:42972ba39bf77f7ea5a47d2c974f3a49af18303df3a6085661c8398cd2027519","target":"record","created_at":"2026-05-18T02:57:07Z","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":"9b31c9ab4dff637284c0d37d879b008e602d3dc545bd803908ec23f711a0410e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-02-05T07:57:39Z","title_canon_sha256":"f901da561593468ff5abc011581b7c542fbe4689c583eabfe021ad431f3b497c"},"schema_version":"1.0","source":{"id":"1402.0960","kind":"arxiv","version":1}},"canonical_sha256":"0db2f9848d67f4614940f858aa6b297b058f41266dd365ad74ed11433bba5c1e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0db2f9848d67f4614940f858aa6b297b058f41266dd365ad74ed11433bba5c1e","first_computed_at":"2026-05-18T02:57:07.238416Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:57:07.238416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"amtj8oRNKcMPirJjZoo/NfT4E3C9GjsW9m65KDvvuquzWyg/lCt0tjxqIshxF7sHnikQUw2yTlmFOb6v9pcBCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:57:07.238899Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.0960","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42972ba39bf77f7ea5a47d2c974f3a49af18303df3a6085661c8398cd2027519","sha256:9e1eb5beae6035f546bacf933281ac936e2813602b303a5752dc12365769e420"],"state_sha256":"f7c9e7b4517223ea48d8d8ce8462361c0f90d197f706325e46c42644a7a414d7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BMD07wSQCTzwb7LYFsiLGIUul75R2AyTlmF3qSH4m5eXiTgQ6OSS2GHv2sv3799h1VcFH2OyLQ5wRr4PorB7CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T03:33:34.441719Z","bundle_sha256":"127915ac750759942c42f728b4ace56a4b9e18d3b831e1db1155871641e949a0"}}