{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1996:PJMAB7XAAJKCE7RRKBLF6MBGXL","short_pith_number":"pith:PJMAB7XA","canonical_record":{"source":{"id":"cond-mat/9601068","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1996-01-17T09:30:54Z","cross_cats_sorted":[],"title_canon_sha256":"1407a57cdad48665931385ef0fd334c6d6beef868245e9cb6f9bc52f06ff0625","abstract_canon_sha256":"23c16f015f051e2b2a70ba5487a6d9e3157f400eaab9a6a143a4369cf35e05d3"},"schema_version":"1.0"},"canonical_sha256":"7a5800fee00254227e3150565f3026bac1d181a4094cff43ce86a60a0fc25e40","source":{"kind":"arxiv","id":"cond-mat/9601068","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9601068","created_at":"2026-05-18T01:39:34Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9601068v1","created_at":"2026-05-18T01:39:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9601068","created_at":"2026-05-18T01:39:34Z"},{"alias_kind":"pith_short_12","alias_value":"PJMAB7XAAJKC","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"PJMAB7XAAJKCE7RR","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"PJMAB7XA","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1996:PJMAB7XAAJKCE7RRKBLF6MBGXL","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9601068","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1996-01-17T09:30:54Z","cross_cats_sorted":[],"title_canon_sha256":"1407a57cdad48665931385ef0fd334c6d6beef868245e9cb6f9bc52f06ff0625","abstract_canon_sha256":"23c16f015f051e2b2a70ba5487a6d9e3157f400eaab9a6a143a4369cf35e05d3"},"schema_version":"1.0"},"canonical_sha256":"7a5800fee00254227e3150565f3026bac1d181a4094cff43ce86a60a0fc25e40","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:34.547688Z","signature_b64":"jkcjBztZIivX1rdLD+QxeqbnH+DU/ae/q8EKt3LZhrkfYyLlBiFYoXfe/giB5HGiUDQ5aw0GnaFvOM6+b8GMBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a5800fee00254227e3150565f3026bac1d181a4094cff43ce86a60a0fc25e40","last_reissued_at":"2026-05-18T01:39:34.547009Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:34.547009Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9601068","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":"2026-05-18T01:39:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QqR5+nIabVVtDOvAy/JYeWWJB4dEMYmyK35wWPcDy9sXOhXGhlJERcAYxdsw0oM05kYAzu3Whwz1rljHi/NzDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:01:02.861212Z"},"content_sha256":"83a8c992a04e99aaa4a4bd410c008527df4b34ae25597ea494890e6583eaaafc","schema_version":"1.0","event_id":"sha256:83a8c992a04e99aaa4a4bd410c008527df4b34ae25597ea494890e6583eaaafc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1996:PJMAB7XAAJKCE7RRKBLF6MBGXL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Exotic Barium Bismuthates","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat","authors_text":"A. Taraphder, H. R. Krishnamurthy, Rahul Pandit, T. V. Ramakrishnan","submitted_at":"1996-01-17T09:30:54Z","abstract_excerpt":"We review the remarkable properties, including superconductivity, charge-density-wave ordering, and metal-insulator transitions, of lead- and potassium-doped barium bismuthate. We discuss some of the early theoretical studies of these systems. Our recent theoretical work, on the negative-$U\\/$, extended-Hubbard model for these systems, is also described. Both the large- and intermediate-$U\\/$ regimes of this model are examined, using mean-field and random-phase approximations, particularly with a view to fitting various experimental properties of these bismuthates. On the basis of our studies,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9601068","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":"2026-05-18T01:39:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dVIQ6Ik7TL/+77/YaMV9pOUiFS8GEOEI+xHpFNYFzRzbjxzxbueJJxkNTcENF7vR7EFBVjX3OpNJvC9CtzAHAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:01:02.861881Z"},"content_sha256":"1de54d2170551fe440f61cca3661a7977da41675d42b8c9c62c8942d8acb19f1","schema_version":"1.0","event_id":"sha256:1de54d2170551fe440f61cca3661a7977da41675d42b8c9c62c8942d8acb19f1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PJMAB7XAAJKCE7RRKBLF6MBGXL/bundle.json","state_url":"https://pith.science/pith/PJMAB7XAAJKCE7RRKBLF6MBGXL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PJMAB7XAAJKCE7RRKBLF6MBGXL/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":"2026-05-28T23:01:02Z","links":{"resolver":"https://pith.science/pith/PJMAB7XAAJKCE7RRKBLF6MBGXL","bundle":"https://pith.science/pith/PJMAB7XAAJKCE7RRKBLF6MBGXL/bundle.json","state":"https://pith.science/pith/PJMAB7XAAJKCE7RRKBLF6MBGXL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PJMAB7XAAJKCE7RRKBLF6MBGXL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1996:PJMAB7XAAJKCE7RRKBLF6MBGXL","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":"23c16f015f051e2b2a70ba5487a6d9e3157f400eaab9a6a143a4369cf35e05d3","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1996-01-17T09:30:54Z","title_canon_sha256":"1407a57cdad48665931385ef0fd334c6d6beef868245e9cb6f9bc52f06ff0625"},"schema_version":"1.0","source":{"id":"cond-mat/9601068","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9601068","created_at":"2026-05-18T01:39:34Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9601068v1","created_at":"2026-05-18T01:39:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9601068","created_at":"2026-05-18T01:39:34Z"},{"alias_kind":"pith_short_12","alias_value":"PJMAB7XAAJKC","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"PJMAB7XAAJKCE7RR","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"PJMAB7XA","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:1de54d2170551fe440f61cca3661a7977da41675d42b8c9c62c8942d8acb19f1","target":"graph","created_at":"2026-05-18T01:39:34Z","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":"We review the remarkable properties, including superconductivity, charge-density-wave ordering, and metal-insulator transitions, of lead- and potassium-doped barium bismuthate. We discuss some of the early theoretical studies of these systems. Our recent theoretical work, on the negative-$U\\/$, extended-Hubbard model for these systems, is also described. Both the large- and intermediate-$U\\/$ regimes of this model are examined, using mean-field and random-phase approximations, particularly with a view to fitting various experimental properties of these bismuthates. On the basis of our studies,","authors_text":"A. Taraphder, H. R. Krishnamurthy, Rahul Pandit, T. V. Ramakrishnan","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat","submitted_at":"1996-01-17T09:30:54Z","title":"The Exotic Barium Bismuthates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9601068","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":"sha256:83a8c992a04e99aaa4a4bd410c008527df4b34ae25597ea494890e6583eaaafc","target":"record","created_at":"2026-05-18T01:39:34Z","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":"23c16f015f051e2b2a70ba5487a6d9e3157f400eaab9a6a143a4369cf35e05d3","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1996-01-17T09:30:54Z","title_canon_sha256":"1407a57cdad48665931385ef0fd334c6d6beef868245e9cb6f9bc52f06ff0625"},"schema_version":"1.0","source":{"id":"cond-mat/9601068","kind":"arxiv","version":1}},"canonical_sha256":"7a5800fee00254227e3150565f3026bac1d181a4094cff43ce86a60a0fc25e40","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a5800fee00254227e3150565f3026bac1d181a4094cff43ce86a60a0fc25e40","first_computed_at":"2026-05-18T01:39:34.547009Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:34.547009Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jkcjBztZIivX1rdLD+QxeqbnH+DU/ae/q8EKt3LZhrkfYyLlBiFYoXfe/giB5HGiUDQ5aw0GnaFvOM6+b8GMBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:34.547688Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9601068","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:83a8c992a04e99aaa4a4bd410c008527df4b34ae25597ea494890e6583eaaafc","sha256:1de54d2170551fe440f61cca3661a7977da41675d42b8c9c62c8942d8acb19f1"],"state_sha256":"0df5c6efe790ec44640864da4cd03f05b29b624431113c49a0512443f9524003"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uQsDIGV9HXHe98JqYr14UzkMlPVC5osvrOG1UVv3UXDigSqLz9tWRhxnrAxh6P5YJ6wjHS+cqzKT87Lo/aGDAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T23:01:02.865485Z","bundle_sha256":"955138a2313ed2ab313c119f3728e2d232647a41aa7de755563f48d17d95ca91"}}