{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:PLG2NBK2XZXEZJUKP3BGVVYVKK","short_pith_number":"pith:PLG2NBK2","canonical_record":{"source":{"id":"1905.02326","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-05-07T02:20:14Z","cross_cats_sorted":[],"title_canon_sha256":"7feff5ec1f79cb1f854823fe285ef7abde193f8ad0412013142181dbd6925ea3","abstract_canon_sha256":"30642cf1e86e8e41ba897293162a7369f03c8669d7ed7d115959ca1e59bee699"},"schema_version":"1.0"},"canonical_sha256":"7acda6855abe6e4ca68a7ec26ad71552b75f2f9614767aa7bb170ecb34cbcb1c","source":{"kind":"arxiv","id":"1905.02326","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.02326","created_at":"2026-07-05T00:06:07Z"},{"alias_kind":"arxiv_version","alias_value":"1905.02326v2","created_at":"2026-07-05T00:06:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.02326","created_at":"2026-07-05T00:06:07Z"},{"alias_kind":"pith_short_12","alias_value":"PLG2NBK2XZXE","created_at":"2026-07-05T00:06:07Z"},{"alias_kind":"pith_short_16","alias_value":"PLG2NBK2XZXEZJUK","created_at":"2026-07-05T00:06:07Z"},{"alias_kind":"pith_short_8","alias_value":"PLG2NBK2","created_at":"2026-07-05T00:06:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:PLG2NBK2XZXEZJUKP3BGVVYVKK","target":"record","payload":{"canonical_record":{"source":{"id":"1905.02326","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-05-07T02:20:14Z","cross_cats_sorted":[],"title_canon_sha256":"7feff5ec1f79cb1f854823fe285ef7abde193f8ad0412013142181dbd6925ea3","abstract_canon_sha256":"30642cf1e86e8e41ba897293162a7369f03c8669d7ed7d115959ca1e59bee699"},"schema_version":"1.0"},"canonical_sha256":"7acda6855abe6e4ca68a7ec26ad71552b75f2f9614767aa7bb170ecb34cbcb1c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:06:07.838999Z","signature_b64":"CbEnREgYEQmZMdDMmCFXy9qRaeeVWxvhGfSWWCO82E7pA2/gET52peqg6n99ziMGZy/JfT+P1tzkVCW7zNGNAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7acda6855abe6e4ca68a7ec26ad71552b75f2f9614767aa7bb170ecb34cbcb1c","last_reissued_at":"2026-07-05T00:06:07.838400Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:06:07.838400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.02326","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":"2026-07-05T00:06:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hrlW2DzkCNoTcwJJUF1lf8KgYOueMJLgXkMZvC4ZFzhm1WXOANpVm+OqYcHQiDFn3k0q0h2i0P8gDIVJFh41BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T15:39:53.545818Z"},"content_sha256":"fb0cb15d282400b0932b4281de4e01d6a0fa58f6f7f84d971e15e7c62041907a","schema_version":"1.0","event_id":"sha256:fb0cb15d282400b0932b4281de4e01d6a0fa58f6f7f84d971e15e7c62041907a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:PLG2NBK2XZXEZJUKP3BGVVYVKK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pseudogap, van Hove Singularity, Maximum in Entropy and Specific Heat for Hole-Doped Mott Insulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A.-M. S. Tremblay, A. Reymbaut, M. Charlebois, M. Th\\'enault, P. S\\'emon, R. Garioud, S. Bergeron","submitted_at":"2019-05-07T02:20:14Z","abstract_excerpt":"The first indication of a pseudogap in cuprates came from a sudden decrease of NMR Knight shift at a doping-dependent temperature $T^*(\\delta)$. Since then, experiments have found phase transitions at a lower $T^*_\\text{phase}(\\delta)$. Using plaquette cellular dynamical mean-field for the square-lattice Hubbard model at high temperature, where the results are reliable, we show that $T^*(\\delta)$ shares many features of $T^*_\\text{phase}(\\delta)$. The remarkable agreement with several experiments, including quantum critical behavior of the electronic specific heat, supports the view that the p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.02326","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/1905.02326/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":"2026-07-05T00:06:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"le1Y8O42Zziow/hx9b+jYxGdCwVXBB2hu+c6XOt9gLUlpIExgoV5E2FbVVaZJYZFE+jqIlKrGbWCC9v/H/1NDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T15:39:53.546750Z"},"content_sha256":"c20c27f7ad7d443a099eaee46b97d25585caae745d1b1ad55e5bd75afd548a6c","schema_version":"1.0","event_id":"sha256:c20c27f7ad7d443a099eaee46b97d25585caae745d1b1ad55e5bd75afd548a6c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PLG2NBK2XZXEZJUKP3BGVVYVKK/bundle.json","state_url":"https://pith.science/pith/PLG2NBK2XZXEZJUKP3BGVVYVKK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PLG2NBK2XZXEZJUKP3BGVVYVKK/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":"2026-08-21T15:39:53Z","links":{"resolver":"https://pith.science/pith/PLG2NBK2XZXEZJUKP3BGVVYVKK","bundle":"https://pith.science/pith/PLG2NBK2XZXEZJUKP3BGVVYVKK/bundle.json","state":"https://pith.science/pith/PLG2NBK2XZXEZJUKP3BGVVYVKK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PLG2NBK2XZXEZJUKP3BGVVYVKK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:PLG2NBK2XZXEZJUKP3BGVVYVKK","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":"30642cf1e86e8e41ba897293162a7369f03c8669d7ed7d115959ca1e59bee699","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-05-07T02:20:14Z","title_canon_sha256":"7feff5ec1f79cb1f854823fe285ef7abde193f8ad0412013142181dbd6925ea3"},"schema_version":"1.0","source":{"id":"1905.02326","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.02326","created_at":"2026-07-05T00:06:07Z"},{"alias_kind":"arxiv_version","alias_value":"1905.02326v2","created_at":"2026-07-05T00:06:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.02326","created_at":"2026-07-05T00:06:07Z"},{"alias_kind":"pith_short_12","alias_value":"PLG2NBK2XZXE","created_at":"2026-07-05T00:06:07Z"},{"alias_kind":"pith_short_16","alias_value":"PLG2NBK2XZXEZJUK","created_at":"2026-07-05T00:06:07Z"},{"alias_kind":"pith_short_8","alias_value":"PLG2NBK2","created_at":"2026-07-05T00:06:07Z"}],"graph_snapshots":[{"event_id":"sha256:c20c27f7ad7d443a099eaee46b97d25585caae745d1b1ad55e5bd75afd548a6c","target":"graph","created_at":"2026-07-05T00:06:07Z","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/1905.02326/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The first indication of a pseudogap in cuprates came from a sudden decrease of NMR Knight shift at a doping-dependent temperature $T^*(\\delta)$. Since then, experiments have found phase transitions at a lower $T^*_\\text{phase}(\\delta)$. Using plaquette cellular dynamical mean-field for the square-lattice Hubbard model at high temperature, where the results are reliable, we show that $T^*(\\delta)$ shares many features of $T^*_\\text{phase}(\\delta)$. The remarkable agreement with several experiments, including quantum critical behavior of the electronic specific heat, supports the view that the p","authors_text":"A.-M. S. Tremblay, A. Reymbaut, M. Charlebois, M. Th\\'enault, P. S\\'emon, R. Garioud, S. Bergeron","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-05-07T02:20:14Z","title":"Pseudogap, van Hove Singularity, Maximum in Entropy and Specific Heat for Hole-Doped Mott Insulators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.02326","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:fb0cb15d282400b0932b4281de4e01d6a0fa58f6f7f84d971e15e7c62041907a","target":"record","created_at":"2026-07-05T00:06:07Z","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":"30642cf1e86e8e41ba897293162a7369f03c8669d7ed7d115959ca1e59bee699","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-05-07T02:20:14Z","title_canon_sha256":"7feff5ec1f79cb1f854823fe285ef7abde193f8ad0412013142181dbd6925ea3"},"schema_version":"1.0","source":{"id":"1905.02326","kind":"arxiv","version":2}},"canonical_sha256":"7acda6855abe6e4ca68a7ec26ad71552b75f2f9614767aa7bb170ecb34cbcb1c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7acda6855abe6e4ca68a7ec26ad71552b75f2f9614767aa7bb170ecb34cbcb1c","first_computed_at":"2026-07-05T00:06:07.838400Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:06:07.838400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CbEnREgYEQmZMdDMmCFXy9qRaeeVWxvhGfSWWCO82E7pA2/gET52peqg6n99ziMGZy/JfT+P1tzkVCW7zNGNAA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:06:07.838999Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.02326","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fb0cb15d282400b0932b4281de4e01d6a0fa58f6f7f84d971e15e7c62041907a","sha256:c20c27f7ad7d443a099eaee46b97d25585caae745d1b1ad55e5bd75afd548a6c"],"state_sha256":"bf3718a7906343ef6bb129e2a40fc09fd0fd360563efe75e194ad151137a688b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nS6h/4cgvjbhIUCxPwb8lA1PGJoFsWBf6/X0Za19L0ywol/L9vNExLkxRcgZaOK7GDkWet3BNWHzgjAze16SDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T15:39:53.562757Z","bundle_sha256":"e8c116b576dbcafe9e02a4d2a182e367f28293cf3cafcee7aca38d8291ecceca"}}