{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:EP3PTR2ID4LILMGQBDPR6AOZPN","short_pith_number":"pith:EP3PTR2I","canonical_record":{"source":{"id":"cond-mat/9806262","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1998-06-22T18:42:53Z","cross_cats_sorted":[],"title_canon_sha256":"25b55b237b725ba54778048b45c3427acd17d1278a51ed848d921aee5c5a86ac","abstract_canon_sha256":"50db7551536f1e211a388ebbe8c89cc3a574f59a464f2e1664af73e7aea22f16"},"schema_version":"1.0"},"canonical_sha256":"23f6f9c7481f1685b0d008df1f01d97b6ea60cd115736620b0ba3393beee7564","source":{"kind":"arxiv","id":"cond-mat/9806262","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9806262","created_at":"2026-07-04T16:08:03Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9806262v2","created_at":"2026-07-04T16:08:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9806262","created_at":"2026-07-04T16:08:03Z"},{"alias_kind":"pith_short_12","alias_value":"EP3PTR2ID4LI","created_at":"2026-07-04T16:08:03Z"},{"alias_kind":"pith_short_16","alias_value":"EP3PTR2ID4LILMGQ","created_at":"2026-07-04T16:08:03Z"},{"alias_kind":"pith_short_8","alias_value":"EP3PTR2I","created_at":"2026-07-04T16:08:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:EP3PTR2ID4LILMGQBDPR6AOZPN","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9806262","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1998-06-22T18:42:53Z","cross_cats_sorted":[],"title_canon_sha256":"25b55b237b725ba54778048b45c3427acd17d1278a51ed848d921aee5c5a86ac","abstract_canon_sha256":"50db7551536f1e211a388ebbe8c89cc3a574f59a464f2e1664af73e7aea22f16"},"schema_version":"1.0"},"canonical_sha256":"23f6f9c7481f1685b0d008df1f01d97b6ea60cd115736620b0ba3393beee7564","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:08:03.009173Z","signature_b64":"+beV5tMUYDLQyq/lpsQoQaZjNAA8zHELIGHKuVfVvzwpE4CRj6h/Tdmilr5JW9ID9fu3ZOkGlgVOmFUrwEDHCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23f6f9c7481f1685b0d008df1f01d97b6ea60cd115736620b0ba3393beee7564","last_reissued_at":"2026-07-04T16:08:03.008747Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:08:03.008747Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9806262","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":"2026-07-04T16:08:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xrY44f0HoXBuHyzXaehYkBFrtsugdOSwGtixuAgpRbKess0dzO7x2OB4eg5EKDslktELK+jGG0Bhtpjkwq+dDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:42:27.159223Z"},"content_sha256":"2661e0694c479c4057b83274858811f2858d87a6be1d098e97aea4aaff58452d","schema_version":"1.0","event_id":"sha256:2661e0694c479c4057b83274858811f2858d87a6be1d098e97aea4aaff58452d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:EP3PTR2ID4LILMGQBDPR6AOZPN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extraction of the Electron Self-Energy from Angle Resolved Photoemission Data: Application to Bi2212","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"H. Ding, H. Fretwell, J. C. Campuzano, M. Randeria, M. R. Norman","submitted_at":"1998-06-22T18:42:53Z","abstract_excerpt":"The self-energy $\\Sigma({\\bf k},\\omega)$, the fundamental function which describes the effects of many-body interactions on an electron in a solid, is usually difficult to obtain directly from experimental data. In this paper, we show that by making certain reasonable assumptions, the self-energy can be directly determined from angle resolved photoemission data. We demonstrate this method on data for the high temperature superconductor $Bi_2Sr_2CaCu_2O_{8+x}$ (Bi2212) in the normal, superconducting, and pseudogap phases."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9806262","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/9806262/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":"2026-07-04T16:08:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DtqsSF+PXYtN7INszOFzaB76jPuSlKxCNUi3kXP2GpQein9a55REqRT0FYogaFzwLYncgSk4SQnLP2KFMh4JBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:42:27.159765Z"},"content_sha256":"1568d3dc412b2a974135ad6af4a386cd7980b19f5ea7a54725b3a52366396e3c","schema_version":"1.0","event_id":"sha256:1568d3dc412b2a974135ad6af4a386cd7980b19f5ea7a54725b3a52366396e3c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EP3PTR2ID4LILMGQBDPR6AOZPN/bundle.json","state_url":"https://pith.science/pith/EP3PTR2ID4LILMGQBDPR6AOZPN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EP3PTR2ID4LILMGQBDPR6AOZPN/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":"2026-08-06T16:42:27Z","links":{"resolver":"https://pith.science/pith/EP3PTR2ID4LILMGQBDPR6AOZPN","bundle":"https://pith.science/pith/EP3PTR2ID4LILMGQBDPR6AOZPN/bundle.json","state":"https://pith.science/pith/EP3PTR2ID4LILMGQBDPR6AOZPN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EP3PTR2ID4LILMGQBDPR6AOZPN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:EP3PTR2ID4LILMGQBDPR6AOZPN","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":"50db7551536f1e211a388ebbe8c89cc3a574f59a464f2e1664af73e7aea22f16","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1998-06-22T18:42:53Z","title_canon_sha256":"25b55b237b725ba54778048b45c3427acd17d1278a51ed848d921aee5c5a86ac"},"schema_version":"1.0","source":{"id":"cond-mat/9806262","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9806262","created_at":"2026-07-04T16:08:03Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9806262v2","created_at":"2026-07-04T16:08:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9806262","created_at":"2026-07-04T16:08:03Z"},{"alias_kind":"pith_short_12","alias_value":"EP3PTR2ID4LI","created_at":"2026-07-04T16:08:03Z"},{"alias_kind":"pith_short_16","alias_value":"EP3PTR2ID4LILMGQ","created_at":"2026-07-04T16:08:03Z"},{"alias_kind":"pith_short_8","alias_value":"EP3PTR2I","created_at":"2026-07-04T16:08:03Z"}],"graph_snapshots":[{"event_id":"sha256:1568d3dc412b2a974135ad6af4a386cd7980b19f5ea7a54725b3a52366396e3c","target":"graph","created_at":"2026-07-04T16:08:03Z","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/9806262/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The self-energy $\\Sigma({\\bf k},\\omega)$, the fundamental function which describes the effects of many-body interactions on an electron in a solid, is usually difficult to obtain directly from experimental data. In this paper, we show that by making certain reasonable assumptions, the self-energy can be directly determined from angle resolved photoemission data. We demonstrate this method on data for the high temperature superconductor $Bi_2Sr_2CaCu_2O_{8+x}$ (Bi2212) in the normal, superconducting, and pseudogap phases.","authors_text":"H. Ding, H. Fretwell, J. C. Campuzano, M. Randeria, M. R. Norman","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1998-06-22T18:42:53Z","title":"Extraction of the Electron Self-Energy from Angle Resolved Photoemission Data: Application to Bi2212"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9806262","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":"sha256:2661e0694c479c4057b83274858811f2858d87a6be1d098e97aea4aaff58452d","target":"record","created_at":"2026-07-04T16:08:03Z","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":"50db7551536f1e211a388ebbe8c89cc3a574f59a464f2e1664af73e7aea22f16","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1998-06-22T18:42:53Z","title_canon_sha256":"25b55b237b725ba54778048b45c3427acd17d1278a51ed848d921aee5c5a86ac"},"schema_version":"1.0","source":{"id":"cond-mat/9806262","kind":"arxiv","version":2}},"canonical_sha256":"23f6f9c7481f1685b0d008df1f01d97b6ea60cd115736620b0ba3393beee7564","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"23f6f9c7481f1685b0d008df1f01d97b6ea60cd115736620b0ba3393beee7564","first_computed_at":"2026-07-04T16:08:03.008747Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:08:03.008747Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+beV5tMUYDLQyq/lpsQoQaZjNAA8zHELIGHKuVfVvzwpE4CRj6h/Tdmilr5JW9ID9fu3ZOkGlgVOmFUrwEDHCw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:08:03.009173Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9806262","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2661e0694c479c4057b83274858811f2858d87a6be1d098e97aea4aaff58452d","sha256:1568d3dc412b2a974135ad6af4a386cd7980b19f5ea7a54725b3a52366396e3c"],"state_sha256":"536df2edc5c59bfa9eda57faa90fdaeb68f470454770fdea98d760a9dcc72d1e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v/lBJnZQByvG9mOvG4babP5/yM4C8WR+rnLSJviEw6Z1EL/ja3rOUtrM/FHSoG/2ooFLrng0DTUdRf1SHlY/CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T16:42:27.165250Z","bundle_sha256":"964b589ffbb2134a81e453faa5d5a976f9303f6ec6d49788e1ad145d0f47fbda"}}