{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:2QED7I7BC4QY3HBR66SUJBAB7P","short_pith_number":"pith:2QED7I7B","canonical_record":{"source":{"id":"cond-mat/9804162","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"1998-04-15T20:32:53Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"cb00b64d32baf0b8728efcab6364ed4b4e9c9e2c1fefb79c1e55ce972c6d4216","abstract_canon_sha256":"68132ef300e9eb4cd14df4f7c1eef7b6ec9b6346662030e9766ade60a70cf99a"},"schema_version":"1.0"},"canonical_sha256":"d4083fa3e117218d9c31f7a5448401fbee98dabdb75e7c98a53b4e0bbf464410","source":{"kind":"arxiv","id":"cond-mat/9804162","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9804162","created_at":"2026-05-18T00:37:00Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9804162v1","created_at":"2026-05-18T00:37:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9804162","created_at":"2026-05-18T00:37:00Z"},{"alias_kind":"pith_short_12","alias_value":"2QED7I7BC4QY","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"2QED7I7BC4QY3HBR","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"2QED7I7B","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:2QED7I7BC4QY3HBR66SUJBAB7P","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9804162","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"1998-04-15T20:32:53Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"cb00b64d32baf0b8728efcab6364ed4b4e9c9e2c1fefb79c1e55ce972c6d4216","abstract_canon_sha256":"68132ef300e9eb4cd14df4f7c1eef7b6ec9b6346662030e9766ade60a70cf99a"},"schema_version":"1.0"},"canonical_sha256":"d4083fa3e117218d9c31f7a5448401fbee98dabdb75e7c98a53b4e0bbf464410","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:00.304590Z","signature_b64":"oMM3F313O2wI8W717ieBR2UQVUwV3xeqBBV1WQ+t2dCUxMVLlu0n3N9aK+YT2ias7c/P6QTvXASlq/KuBK7aAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d4083fa3e117218d9c31f7a5448401fbee98dabdb75e7c98a53b4e0bbf464410","last_reissued_at":"2026-05-18T00:37:00.303986Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:00.303986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9804162","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":"2026-05-18T00:37:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QAFqWk4a3jZvr5AklcQ9h2vVYMbQ29NyCso3JRhEjSrNI/HuuNuYG9Aoghp+LsgfItt9T1iJmqfqn5NHyIYYAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T04:40:11.606380Z"},"content_sha256":"5f129158f25bab75ff2e0841cc0ae881bfa606c3506a1b269d4d3721a44c763f","schema_version":"1.0","event_id":"sha256:5f129158f25bab75ff2e0841cc0ae881bfa606c3506a1b269d4d3721a44c763f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:2QED7I7BC4QY3HBR66SUJBAB7P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superconducting Instability in the Periodic Anderson Model","license":"","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"A. N. Tahvildar-Zadeh, Cincinnati), M. H. Hettler, M. Jarrell (Department of Physics, University of Cincinnati","submitted_at":"1998-04-15T20:32:53Z","abstract_excerpt":"Employing a quantum Monte Carlo simulation we find a pairing instability in the normal state of the infinite dimensional periodic Anderson model. Superconductivity arises from a normal state in which the screening is protracted and which is clearly not a Fermi liquid. The phase diagram is reentrant reflecting competition between superconductivity and Fermi liquid formation. The estimated superconducting order parameter is even, but has nodes as a function of frequency. This opens the possibility of a temporal node and an effective order parameter composed of charge pairs and spin excitations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9804162","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":"2026-05-18T00:37:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZtoeN/VEKwYPjjE+/AEphWxjO7Ter03FNxzWKNxd+jC056lFCJYeXRG2DFqXmKqI/84IvjnXx9hXDEE3hVtaCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T04:40:11.606746Z"},"content_sha256":"8489091b28f49109dc4a7c5cc6948369d3c826c9c9fe684c92e4afce08b2d46b","schema_version":"1.0","event_id":"sha256:8489091b28f49109dc4a7c5cc6948369d3c826c9c9fe684c92e4afce08b2d46b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2QED7I7BC4QY3HBR66SUJBAB7P/bundle.json","state_url":"https://pith.science/pith/2QED7I7BC4QY3HBR66SUJBAB7P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2QED7I7BC4QY3HBR66SUJBAB7P/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":"2026-06-11T04:40:11Z","links":{"resolver":"https://pith.science/pith/2QED7I7BC4QY3HBR66SUJBAB7P","bundle":"https://pith.science/pith/2QED7I7BC4QY3HBR66SUJBAB7P/bundle.json","state":"https://pith.science/pith/2QED7I7BC4QY3HBR66SUJBAB7P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2QED7I7BC4QY3HBR66SUJBAB7P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:2QED7I7BC4QY3HBR66SUJBAB7P","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":"68132ef300e9eb4cd14df4f7c1eef7b6ec9b6346662030e9766ade60a70cf99a","cross_cats_sorted":["cond-mat.supr-con"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"1998-04-15T20:32:53Z","title_canon_sha256":"cb00b64d32baf0b8728efcab6364ed4b4e9c9e2c1fefb79c1e55ce972c6d4216"},"schema_version":"1.0","source":{"id":"cond-mat/9804162","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9804162","created_at":"2026-05-18T00:37:00Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9804162v1","created_at":"2026-05-18T00:37:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9804162","created_at":"2026-05-18T00:37:00Z"},{"alias_kind":"pith_short_12","alias_value":"2QED7I7BC4QY","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"2QED7I7BC4QY3HBR","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"2QED7I7B","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:8489091b28f49109dc4a7c5cc6948369d3c826c9c9fe684c92e4afce08b2d46b","target":"graph","created_at":"2026-05-18T00:37:00Z","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":"Employing a quantum Monte Carlo simulation we find a pairing instability in the normal state of the infinite dimensional periodic Anderson model. Superconductivity arises from a normal state in which the screening is protracted and which is clearly not a Fermi liquid. The phase diagram is reentrant reflecting competition between superconductivity and Fermi liquid formation. The estimated superconducting order parameter is even, but has nodes as a function of frequency. This opens the possibility of a temporal node and an effective order parameter composed of charge pairs and spin excitations.","authors_text":"A. N. Tahvildar-Zadeh, Cincinnati), M. H. Hettler, M. Jarrell (Department of Physics, University of Cincinnati","cross_cats":["cond-mat.supr-con"],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"1998-04-15T20:32:53Z","title":"Superconducting Instability in the Periodic Anderson Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9804162","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":"sha256:5f129158f25bab75ff2e0841cc0ae881bfa606c3506a1b269d4d3721a44c763f","target":"record","created_at":"2026-05-18T00:37:00Z","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":"68132ef300e9eb4cd14df4f7c1eef7b6ec9b6346662030e9766ade60a70cf99a","cross_cats_sorted":["cond-mat.supr-con"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"1998-04-15T20:32:53Z","title_canon_sha256":"cb00b64d32baf0b8728efcab6364ed4b4e9c9e2c1fefb79c1e55ce972c6d4216"},"schema_version":"1.0","source":{"id":"cond-mat/9804162","kind":"arxiv","version":1}},"canonical_sha256":"d4083fa3e117218d9c31f7a5448401fbee98dabdb75e7c98a53b4e0bbf464410","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d4083fa3e117218d9c31f7a5448401fbee98dabdb75e7c98a53b4e0bbf464410","first_computed_at":"2026-05-18T00:37:00.303986Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:00.303986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oMM3F313O2wI8W717ieBR2UQVUwV3xeqBBV1WQ+t2dCUxMVLlu0n3N9aK+YT2ias7c/P6QTvXASlq/KuBK7aAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:00.304590Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9804162","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f129158f25bab75ff2e0841cc0ae881bfa606c3506a1b269d4d3721a44c763f","sha256:8489091b28f49109dc4a7c5cc6948369d3c826c9c9fe684c92e4afce08b2d46b"],"state_sha256":"e6ce3e79bb7cc3a6dbb1f8e299e96373511afe9f3b8ee3bc94db0de6d49bc305"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v34l6Owel58RRYUjTEviGKwAnMTycIAGgTtu6MmNj3yfy2aRPGRJmE9cSDJa38vUYlZfN+8mj6a6KnkffZEfCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T04:40:11.609110Z","bundle_sha256":"ab1187584300d9e1e03d1daf10d20af71daa2865dde61d1f9fd868916c698c02"}}