{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:5HN4AZTOXC6TN42OIVVZ3FO6EW","short_pith_number":"pith:5HN4AZTO","canonical_record":{"source":{"id":"2308.04862","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2023-08-09T10:51:28Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"94ab8bb385202a30769c7d701bc4b6d1aa6590b841b0e478c8e88c687059f54d","abstract_canon_sha256":"39a1a97ce774b13a87183bbfecda3768b5e6c899e7f1bee6db9a548c71bf5091"},"schema_version":"1.0"},"canonical_sha256":"e9dbc0666eb8bd36f34e456b9d95de25acb90b029c5eb687936fd3c5c2c645b9","source":{"kind":"arxiv","id":"2308.04862","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.04862","created_at":"2026-07-05T06:39:43Z"},{"alias_kind":"arxiv_version","alias_value":"2308.04862v1","created_at":"2026-07-05T06:39:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.04862","created_at":"2026-07-05T06:39:43Z"},{"alias_kind":"pith_short_12","alias_value":"5HN4AZTOXC6T","created_at":"2026-07-05T06:39:43Z"},{"alias_kind":"pith_short_16","alias_value":"5HN4AZTOXC6TN42O","created_at":"2026-07-05T06:39:43Z"},{"alias_kind":"pith_short_8","alias_value":"5HN4AZTO","created_at":"2026-07-05T06:39:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:5HN4AZTOXC6TN42OIVVZ3FO6EW","target":"record","payload":{"canonical_record":{"source":{"id":"2308.04862","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2023-08-09T10:51:28Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"94ab8bb385202a30769c7d701bc4b6d1aa6590b841b0e478c8e88c687059f54d","abstract_canon_sha256":"39a1a97ce774b13a87183bbfecda3768b5e6c899e7f1bee6db9a548c71bf5091"},"schema_version":"1.0"},"canonical_sha256":"e9dbc0666eb8bd36f34e456b9d95de25acb90b029c5eb687936fd3c5c2c645b9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:39:43.992101Z","signature_b64":"bc/jJ4ApqUpSAk9QUH18ZBQIEeL51bDldoDxerQtlRWRcgtKx1bfN8mXaHKarU3K3eqDxHQ3tSoFmEu4kN2YDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9dbc0666eb8bd36f34e456b9d95de25acb90b029c5eb687936fd3c5c2c645b9","last_reissued_at":"2026-07-05T06:39:43.991637Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:39:43.991637Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.04862","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":"2026-07-05T06:39:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QOioDzLi8aXdeIwYDJJD8rY0sJFC7BWYcmiNeBHIGmJ863qxU80L/fYhhM8DD29x86IW/vHSwOYU/NzRBIATBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:03:26.718325Z"},"content_sha256":"f53b13812da610e8730ffca0dbece780c9e3def341332778dd0a57edb9cb12e6","schema_version":"1.0","event_id":"sha256:f53b13812da610e8730ffca0dbece780c9e3def341332778dd0a57edb9cb12e6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:5HN4AZTOXC6TN42OIVVZ3FO6EW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Review cuprates -- Anderson's unhappy electrons and their fate","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Navinder Singh","submitted_at":"2023-08-09T10:51:28Z","abstract_excerpt":"In cuprates, as doping $p$ is reduced from the overdoped side through the quantum critical point $p^*$, a transition in Hall number density of carriers is observed, in which this number of carriers reduces from $1+p$ holes per copper site to $p$ holes per copper site. The connection of this $1+p$ to $p$ transition with pseudogap and with superconductivity is discussed. A \"panoramic\" view or a \"broad-brush\" discussion is presented in which Anderson's \"unhappy\" electrons take on a central stage."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.04862","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/2308.04862/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":"2026-07-05T06:39:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RQO8/YN/fyjZCUvA6QeKlhcyA021LVGMV/KDzL69PCwea/bqgXgQ4p7bj8aUjKqzuufE5PLGRs+srrZItLaTBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:03:26.718700Z"},"content_sha256":"ad21dda20d871e63457257d48ad6dc96b49162d0dbf5f7e3ad704bfd47d700f6","schema_version":"1.0","event_id":"sha256:ad21dda20d871e63457257d48ad6dc96b49162d0dbf5f7e3ad704bfd47d700f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5HN4AZTOXC6TN42OIVVZ3FO6EW/bundle.json","state_url":"https://pith.science/pith/5HN4AZTOXC6TN42OIVVZ3FO6EW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5HN4AZTOXC6TN42OIVVZ3FO6EW/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":"2026-07-07T08:03:26Z","links":{"resolver":"https://pith.science/pith/5HN4AZTOXC6TN42OIVVZ3FO6EW","bundle":"https://pith.science/pith/5HN4AZTOXC6TN42OIVVZ3FO6EW/bundle.json","state":"https://pith.science/pith/5HN4AZTOXC6TN42OIVVZ3FO6EW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5HN4AZTOXC6TN42OIVVZ3FO6EW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:5HN4AZTOXC6TN42OIVVZ3FO6EW","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":"39a1a97ce774b13a87183bbfecda3768b5e6c899e7f1bee6db9a548c71bf5091","cross_cats_sorted":["cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2023-08-09T10:51:28Z","title_canon_sha256":"94ab8bb385202a30769c7d701bc4b6d1aa6590b841b0e478c8e88c687059f54d"},"schema_version":"1.0","source":{"id":"2308.04862","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.04862","created_at":"2026-07-05T06:39:43Z"},{"alias_kind":"arxiv_version","alias_value":"2308.04862v1","created_at":"2026-07-05T06:39:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.04862","created_at":"2026-07-05T06:39:43Z"},{"alias_kind":"pith_short_12","alias_value":"5HN4AZTOXC6T","created_at":"2026-07-05T06:39:43Z"},{"alias_kind":"pith_short_16","alias_value":"5HN4AZTOXC6TN42O","created_at":"2026-07-05T06:39:43Z"},{"alias_kind":"pith_short_8","alias_value":"5HN4AZTO","created_at":"2026-07-05T06:39:43Z"}],"graph_snapshots":[{"event_id":"sha256:ad21dda20d871e63457257d48ad6dc96b49162d0dbf5f7e3ad704bfd47d700f6","target":"graph","created_at":"2026-07-05T06:39:43Z","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/2308.04862/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In cuprates, as doping $p$ is reduced from the overdoped side through the quantum critical point $p^*$, a transition in Hall number density of carriers is observed, in which this number of carriers reduces from $1+p$ holes per copper site to $p$ holes per copper site. The connection of this $1+p$ to $p$ transition with pseudogap and with superconductivity is discussed. A \"panoramic\" view or a \"broad-brush\" discussion is presented in which Anderson's \"unhappy\" electrons take on a central stage.","authors_text":"Navinder Singh","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2023-08-09T10:51:28Z","title":"Review cuprates -- Anderson's unhappy electrons and their fate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.04862","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:f53b13812da610e8730ffca0dbece780c9e3def341332778dd0a57edb9cb12e6","target":"record","created_at":"2026-07-05T06:39:43Z","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":"39a1a97ce774b13a87183bbfecda3768b5e6c899e7f1bee6db9a548c71bf5091","cross_cats_sorted":["cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2023-08-09T10:51:28Z","title_canon_sha256":"94ab8bb385202a30769c7d701bc4b6d1aa6590b841b0e478c8e88c687059f54d"},"schema_version":"1.0","source":{"id":"2308.04862","kind":"arxiv","version":1}},"canonical_sha256":"e9dbc0666eb8bd36f34e456b9d95de25acb90b029c5eb687936fd3c5c2c645b9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9dbc0666eb8bd36f34e456b9d95de25acb90b029c5eb687936fd3c5c2c645b9","first_computed_at":"2026-07-05T06:39:43.991637Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:39:43.991637Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bc/jJ4ApqUpSAk9QUH18ZBQIEeL51bDldoDxerQtlRWRcgtKx1bfN8mXaHKarU3K3eqDxHQ3tSoFmEu4kN2YDg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:39:43.992101Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.04862","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f53b13812da610e8730ffca0dbece780c9e3def341332778dd0a57edb9cb12e6","sha256:ad21dda20d871e63457257d48ad6dc96b49162d0dbf5f7e3ad704bfd47d700f6"],"state_sha256":"1f82b93c16010abcd1006d763a9b01be37e2842c8f485773636c169ad962bda5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xqgJ100BntIrq3X4AgR2kSxiBdbAdgXuUmlWEWZTeBo31IP1lBC9HIUQQsil3G6MI3VpzQRYLUT/vMKOkm8WAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T08:03:26.720647Z","bundle_sha256":"e6a13197cae64b333d4993e4a6d763cb5f9bf4a46f60f2a71ad896f2ff67a50c"}}