{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:V2IBXCIROLGXIZ5M4SZZ5PDA4P","short_pith_number":"pith:V2IBXCIR","canonical_record":{"source":{"id":"cond-mat/9906335","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-06-22T15:07:12Z","cross_cats_sorted":[],"title_canon_sha256":"10cdb5e867112b2da830e07ab50935ddddfb1b911b94f78a8bbab401e62dfdea","abstract_canon_sha256":"ffc86d114ba8dcb49ffc2689acc8869a3a3daa1e47b7af6a1c9e4e8a600b1efc"},"schema_version":"1.0"},"canonical_sha256":"ae901b891172cd7467ace4b39ebc60e3c3561bc13d9b1e5bf061719dcc4c8f50","source":{"kind":"arxiv","id":"cond-mat/9906335","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9906335","created_at":"2026-07-04T16:12:51Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9906335v1","created_at":"2026-07-04T16:12:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9906335","created_at":"2026-07-04T16:12:51Z"},{"alias_kind":"pith_short_12","alias_value":"V2IBXCIROLGX","created_at":"2026-07-04T16:12:51Z"},{"alias_kind":"pith_short_16","alias_value":"V2IBXCIROLGXIZ5M","created_at":"2026-07-04T16:12:51Z"},{"alias_kind":"pith_short_8","alias_value":"V2IBXCIR","created_at":"2026-07-04T16:12:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:V2IBXCIROLGXIZ5M4SZZ5PDA4P","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9906335","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-06-22T15:07:12Z","cross_cats_sorted":[],"title_canon_sha256":"10cdb5e867112b2da830e07ab50935ddddfb1b911b94f78a8bbab401e62dfdea","abstract_canon_sha256":"ffc86d114ba8dcb49ffc2689acc8869a3a3daa1e47b7af6a1c9e4e8a600b1efc"},"schema_version":"1.0"},"canonical_sha256":"ae901b891172cd7467ace4b39ebc60e3c3561bc13d9b1e5bf061719dcc4c8f50","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:12:51.119887Z","signature_b64":"fbiG4jiNUiPkLnqOQVjI6AyXWKDoLTqUtcCpvPfoWhl/oNnlsLWFwTAmq6/nwb9PiQIdsWdqwiMMEtgCbZBHDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae901b891172cd7467ace4b39ebc60e3c3561bc13d9b1e5bf061719dcc4c8f50","last_reissued_at":"2026-07-04T16:12:51.119419Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:12:51.119419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9906335","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":"2026-07-04T16:12:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R32XHsIlZbqWLesX6gCKvjN4L7lwmowHCvfg0fu6y6H8LtrijPhuYNTjnhFCG7QpCQNnQtJFlpgNdn6kbN6eAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T19:46:39.359629Z"},"content_sha256":"b6f2a83aad8adf9c69b18c46ddef22636579ee60c7a8a47e7510186e848b2e2a","schema_version":"1.0","event_id":"sha256:b6f2a83aad8adf9c69b18c46ddef22636579ee60c7a8a47e7510186e848b2e2a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:V2IBXCIROLGXIZ5M4SZZ5PDA4P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electronic Spectra and Their Relation to the (pi,pi) Collective Mode in High-Tc Superconductors","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Kaminski, D.G. Hinks, H. Ding, H.M. Fretwell, H. Raffy, J.C. Campuzano, J. Mesot, K. Kadowaki, M. Randeria, M.R. Norman, P. Guptasarma, T. Mochiku, T. Sato, T. Takahashi, T. Takeuchi, T. Yokoya, Z. Konstantinovic, Z.Z. Li","submitted_at":"1999-06-22T15:07:12Z","abstract_excerpt":"Photoemission spectra of Bi2Sr2CaCu2O8 reveal that the high energy feature near (pi,0), the \"hump\", scales with the superconducting gap and persists above Tc in the pseudogap phase. As the doping decreases, the dispersion of the hump increasingly reflects the wavevector (pi,pi) characteristic of the undoped insulator, despite the presence of a large Fermi surface. This can be understood from the interaction of the electrons with a collective mode, supported by our observation that the doping dependence of the resonance observed by neutron scattering is the same as that inferred from our data."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9906335","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/cond-mat/9906335/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:12:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O0Ltkdu00fZTsQnfMZstNTesJDJEkGXmEGG0Jba3NDEJ65uGc3oI6wkcYXfDo3KOwzrBctmixm5ljzKpfXOyBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T19:46:39.360181Z"},"content_sha256":"b294577967ac13398e88abf2531e0b22a2075cea111c9e9d3d42c52e5e3842e2","schema_version":"1.0","event_id":"sha256:b294577967ac13398e88abf2531e0b22a2075cea111c9e9d3d42c52e5e3842e2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V2IBXCIROLGXIZ5M4SZZ5PDA4P/bundle.json","state_url":"https://pith.science/pith/V2IBXCIROLGXIZ5M4SZZ5PDA4P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V2IBXCIROLGXIZ5M4SZZ5PDA4P/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":"2026-08-07T19:46:39Z","links":{"resolver":"https://pith.science/pith/V2IBXCIROLGXIZ5M4SZZ5PDA4P","bundle":"https://pith.science/pith/V2IBXCIROLGXIZ5M4SZZ5PDA4P/bundle.json","state":"https://pith.science/pith/V2IBXCIROLGXIZ5M4SZZ5PDA4P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V2IBXCIROLGXIZ5M4SZZ5PDA4P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:V2IBXCIROLGXIZ5M4SZZ5PDA4P","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":"ffc86d114ba8dcb49ffc2689acc8869a3a3daa1e47b7af6a1c9e4e8a600b1efc","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-06-22T15:07:12Z","title_canon_sha256":"10cdb5e867112b2da830e07ab50935ddddfb1b911b94f78a8bbab401e62dfdea"},"schema_version":"1.0","source":{"id":"cond-mat/9906335","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9906335","created_at":"2026-07-04T16:12:51Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9906335v1","created_at":"2026-07-04T16:12:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9906335","created_at":"2026-07-04T16:12:51Z"},{"alias_kind":"pith_short_12","alias_value":"V2IBXCIROLGX","created_at":"2026-07-04T16:12:51Z"},{"alias_kind":"pith_short_16","alias_value":"V2IBXCIROLGXIZ5M","created_at":"2026-07-04T16:12:51Z"},{"alias_kind":"pith_short_8","alias_value":"V2IBXCIR","created_at":"2026-07-04T16:12:51Z"}],"graph_snapshots":[{"event_id":"sha256:b294577967ac13398e88abf2531e0b22a2075cea111c9e9d3d42c52e5e3842e2","target":"graph","created_at":"2026-07-04T16:12:51Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/9906335/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Photoemission spectra of Bi2Sr2CaCu2O8 reveal that the high energy feature near (pi,0), the \"hump\", scales with the superconducting gap and persists above Tc in the pseudogap phase. As the doping decreases, the dispersion of the hump increasingly reflects the wavevector (pi,pi) characteristic of the undoped insulator, despite the presence of a large Fermi surface. This can be understood from the interaction of the electrons with a collective mode, supported by our observation that the doping dependence of the resonance observed by neutron scattering is the same as that inferred from our data.","authors_text":"A. Kaminski, D.G. Hinks, H. Ding, H.M. Fretwell, H. Raffy, J.C. Campuzano, J. Mesot, K. Kadowaki, M. Randeria, M.R. Norman, P. Guptasarma, T. Mochiku, T. Sato, T. Takahashi, T. Takeuchi, T. Yokoya, Z. Konstantinovic, Z.Z. Li","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-06-22T15:07:12Z","title":"Electronic Spectra and Their Relation to the (pi,pi) Collective Mode in High-Tc Superconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9906335","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:b6f2a83aad8adf9c69b18c46ddef22636579ee60c7a8a47e7510186e848b2e2a","target":"record","created_at":"2026-07-04T16:12:51Z","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":"ffc86d114ba8dcb49ffc2689acc8869a3a3daa1e47b7af6a1c9e4e8a600b1efc","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-06-22T15:07:12Z","title_canon_sha256":"10cdb5e867112b2da830e07ab50935ddddfb1b911b94f78a8bbab401e62dfdea"},"schema_version":"1.0","source":{"id":"cond-mat/9906335","kind":"arxiv","version":1}},"canonical_sha256":"ae901b891172cd7467ace4b39ebc60e3c3561bc13d9b1e5bf061719dcc4c8f50","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ae901b891172cd7467ace4b39ebc60e3c3561bc13d9b1e5bf061719dcc4c8f50","first_computed_at":"2026-07-04T16:12:51.119419Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:12:51.119419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fbiG4jiNUiPkLnqOQVjI6AyXWKDoLTqUtcCpvPfoWhl/oNnlsLWFwTAmq6/nwb9PiQIdsWdqwiMMEtgCbZBHDg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:12:51.119887Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9906335","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b6f2a83aad8adf9c69b18c46ddef22636579ee60c7a8a47e7510186e848b2e2a","sha256:b294577967ac13398e88abf2531e0b22a2075cea111c9e9d3d42c52e5e3842e2"],"state_sha256":"f7d292eab575d652461eb595e753c8d7c8c241375a28a0df8e260210fa18a311"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yKRqNTRd0nsAPjAdGFJGxKNn2FBnvMLDGizX/fwHlx7+dm3ujrxyO6pdNfIKr1uCj5s/ydjI9R0dAR+GBsIkBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T19:46:39.363860Z","bundle_sha256":"8713de2fd6427b16d8091ae83aee6880d9b8b949e31955872f38ebc5e57661be"}}