{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:LSI3G6DX7EHWZ52GFOOU3UJMJM","short_pith_number":"pith:LSI3G6DX","canonical_record":{"source":{"id":"1008.4327","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-08-25T18:06:59Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"502157118b4cb76ca09646ba6846ca321bfbb2937138f6bde41211d26d644e4f","abstract_canon_sha256":"24bfe4fb328a4b49e678a3e970445d18d5ed9e923ba7e1ba940a48efebc01d5a"},"schema_version":"1.0"},"canonical_sha256":"5c91b37877f90f6cf7462b9d4dd12c4b1dc12996ebb1ed0c40e2abb9cb8fa69b","source":{"kind":"arxiv","id":"1008.4327","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.4327","created_at":"2026-05-18T04:38:50Z"},{"alias_kind":"arxiv_version","alias_value":"1008.4327v2","created_at":"2026-05-18T04:38:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.4327","created_at":"2026-05-18T04:38:50Z"},{"alias_kind":"pith_short_12","alias_value":"LSI3G6DX7EHW","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LSI3G6DX7EHWZ52G","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LSI3G6DX","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:LSI3G6DX7EHWZ52GFOOU3UJMJM","target":"record","payload":{"canonical_record":{"source":{"id":"1008.4327","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-08-25T18:06:59Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"502157118b4cb76ca09646ba6846ca321bfbb2937138f6bde41211d26d644e4f","abstract_canon_sha256":"24bfe4fb328a4b49e678a3e970445d18d5ed9e923ba7e1ba940a48efebc01d5a"},"schema_version":"1.0"},"canonical_sha256":"5c91b37877f90f6cf7462b9d4dd12c4b1dc12996ebb1ed0c40e2abb9cb8fa69b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:38:50.263620Z","signature_b64":"uhY3PdC2jbPlCg+PmlzD+gSqGRUCb+kQgQYmCwwXvV4gApcG/q05zGew42LkIzn+dLEcvO+D7eqFzyGimqYmCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c91b37877f90f6cf7462b9d4dd12c4b1dc12996ebb1ed0c40e2abb9cb8fa69b","last_reissued_at":"2026-05-18T04:38:50.263079Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:38:50.263079Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.4327","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":"2026-05-18T04:38:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tS//8b3Vc3iMeGb80j65LgBNne1pDV24T4yvRyCyr97kv4eVpC+1yW2lrSFk0qeZPrVO+Q0tULNGsW/AbrMqCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:55:56.139116Z"},"content_sha256":"095546b6a68482f350b4854cbc96cc9face107942fa2dc8782f2891f90017288","schema_version":"1.0","event_id":"sha256:095546b6a68482f350b4854cbc96cc9face107942fa2dc8782f2891f90017288"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:LSI3G6DX7EHWZ52GFOOU3UJMJM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Diamagnetism above Tc in underdoped Bi2.2Sr1.8Ca2Cu3O10+d","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Azusa Matsuda, Ryusuke Ikeda, Takenori Nagatochi, Tetsuya Iye","submitted_at":"2010-08-25T18:06:59Z","abstract_excerpt":"Single crystals of ${\\rm Bi}_{2+x}{\\rm Sr}_{2-x}{\\rm Ca}_{2}{\\rm Cu}_{3}{\\rm O}_{10+\\delta}$(Bi2223) with $x=0.2$ were grown by a traveling solvent floating zone method in order to investigate the superconducting properties of highly underdoped Bi2223.Grown crystals were characterized by X-ray diffraction, DC susceptibility and resistivity measurements, confirming Bi2223 to be the main phase.The crystals were annealed under various oxygen partial pressures to adjust their carrier densities from optimally doped to highly underdoped.The fluctuation diamagnetic component above the superconducting"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.4327","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":""},"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":"2026-05-18T04:38:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RI4iEaJZqbkH0T2+il8mogKEepJBXEoJt5e36ukCjqFruiyuIXL8g+7Zc0doKR/i0CgyG65YIhjWwJar68u1BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:55:56.140193Z"},"content_sha256":"d7d6ba60fec1e0e21ab5d0db1c17c6e0a17078b5e80cc939bb9d9df0ab720214","schema_version":"1.0","event_id":"sha256:d7d6ba60fec1e0e21ab5d0db1c17c6e0a17078b5e80cc939bb9d9df0ab720214"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LSI3G6DX7EHWZ52GFOOU3UJMJM/bundle.json","state_url":"https://pith.science/pith/LSI3G6DX7EHWZ52GFOOU3UJMJM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LSI3G6DX7EHWZ52GFOOU3UJMJM/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":"2026-05-31T09:55:56Z","links":{"resolver":"https://pith.science/pith/LSI3G6DX7EHWZ52GFOOU3UJMJM","bundle":"https://pith.science/pith/LSI3G6DX7EHWZ52GFOOU3UJMJM/bundle.json","state":"https://pith.science/pith/LSI3G6DX7EHWZ52GFOOU3UJMJM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LSI3G6DX7EHWZ52GFOOU3UJMJM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:LSI3G6DX7EHWZ52GFOOU3UJMJM","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":"24bfe4fb328a4b49e678a3e970445d18d5ed9e923ba7e1ba940a48efebc01d5a","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-08-25T18:06:59Z","title_canon_sha256":"502157118b4cb76ca09646ba6846ca321bfbb2937138f6bde41211d26d644e4f"},"schema_version":"1.0","source":{"id":"1008.4327","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.4327","created_at":"2026-05-18T04:38:50Z"},{"alias_kind":"arxiv_version","alias_value":"1008.4327v2","created_at":"2026-05-18T04:38:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.4327","created_at":"2026-05-18T04:38:50Z"},{"alias_kind":"pith_short_12","alias_value":"LSI3G6DX7EHW","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LSI3G6DX7EHWZ52G","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LSI3G6DX","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:d7d6ba60fec1e0e21ab5d0db1c17c6e0a17078b5e80cc939bb9d9df0ab720214","target":"graph","created_at":"2026-05-18T04:38:50Z","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":"Single crystals of ${\\rm Bi}_{2+x}{\\rm Sr}_{2-x}{\\rm Ca}_{2}{\\rm Cu}_{3}{\\rm O}_{10+\\delta}$(Bi2223) with $x=0.2$ were grown by a traveling solvent floating zone method in order to investigate the superconducting properties of highly underdoped Bi2223.Grown crystals were characterized by X-ray diffraction, DC susceptibility and resistivity measurements, confirming Bi2223 to be the main phase.The crystals were annealed under various oxygen partial pressures to adjust their carrier densities from optimally doped to highly underdoped.The fluctuation diamagnetic component above the superconducting","authors_text":"Azusa Matsuda, Ryusuke Ikeda, Takenori Nagatochi, Tetsuya Iye","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-08-25T18:06:59Z","title":"Diamagnetism above Tc in underdoped Bi2.2Sr1.8Ca2Cu3O10+d"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.4327","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":"sha256:095546b6a68482f350b4854cbc96cc9face107942fa2dc8782f2891f90017288","target":"record","created_at":"2026-05-18T04:38:50Z","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":"24bfe4fb328a4b49e678a3e970445d18d5ed9e923ba7e1ba940a48efebc01d5a","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-08-25T18:06:59Z","title_canon_sha256":"502157118b4cb76ca09646ba6846ca321bfbb2937138f6bde41211d26d644e4f"},"schema_version":"1.0","source":{"id":"1008.4327","kind":"arxiv","version":2}},"canonical_sha256":"5c91b37877f90f6cf7462b9d4dd12c4b1dc12996ebb1ed0c40e2abb9cb8fa69b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c91b37877f90f6cf7462b9d4dd12c4b1dc12996ebb1ed0c40e2abb9cb8fa69b","first_computed_at":"2026-05-18T04:38:50.263079Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:38:50.263079Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uhY3PdC2jbPlCg+PmlzD+gSqGRUCb+kQgQYmCwwXvV4gApcG/q05zGew42LkIzn+dLEcvO+D7eqFzyGimqYmCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:38:50.263620Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.4327","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:095546b6a68482f350b4854cbc96cc9face107942fa2dc8782f2891f90017288","sha256:d7d6ba60fec1e0e21ab5d0db1c17c6e0a17078b5e80cc939bb9d9df0ab720214"],"state_sha256":"40ddd62421326c1d6d72b05be5ed6fabbdaf5398c464285e014c12b9a5565a20"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DeTZv0gH6XeHiRaK0hMPA8vKBxrr3zssF6jI8f/EeJFtgnd2AuD8Qm7l1j1qgdzeoxreHia9DB6RI9aH8bLsAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T09:55:56.144693Z","bundle_sha256":"b6209120d794230d0105e349c091619ba736d05d8ebb81c64fdc87741998a8b1"}}