{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:C55WKEFDYLHHJFVGWF3CJ5JPVU","short_pith_number":"pith:C55WKEFD","canonical_record":{"source":{"id":"2606.08181","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2026-06-06T13:59:19Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"a87cb290f20189b057b1fbacade50c64bc21d771717a13f183a651bde5cd943f","abstract_canon_sha256":"95e904b619e028f103bd87086d7eff04c71d8ff37ee7d492ea1eaf6edd3cb9dc"},"schema_version":"1.0"},"canonical_sha256":"177b6510a3c2ce7496a6b17624f52fad340be2bdf2aaa490898a6850b68a6589","source":{"kind":"arxiv","id":"2606.08181","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.08181","created_at":"2026-06-09T01:05:29Z"},{"alias_kind":"arxiv_version","alias_value":"2606.08181v1","created_at":"2026-06-09T01:05:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.08181","created_at":"2026-06-09T01:05:29Z"},{"alias_kind":"pith_short_12","alias_value":"C55WKEFDYLHH","created_at":"2026-06-09T01:05:29Z"},{"alias_kind":"pith_short_16","alias_value":"C55WKEFDYLHHJFVG","created_at":"2026-06-09T01:05:29Z"},{"alias_kind":"pith_short_8","alias_value":"C55WKEFD","created_at":"2026-06-09T01:05:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:C55WKEFDYLHHJFVGWF3CJ5JPVU","target":"record","payload":{"canonical_record":{"source":{"id":"2606.08181","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2026-06-06T13:59:19Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"a87cb290f20189b057b1fbacade50c64bc21d771717a13f183a651bde5cd943f","abstract_canon_sha256":"95e904b619e028f103bd87086d7eff04c71d8ff37ee7d492ea1eaf6edd3cb9dc"},"schema_version":"1.0"},"canonical_sha256":"177b6510a3c2ce7496a6b17624f52fad340be2bdf2aaa490898a6850b68a6589","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T01:05:29.244393Z","signature_b64":"SCeXKO/T54tinpQhj14B98unk8EQfXEgc2HmH13B2QXB55Vx9Qg1JNMZ2GssyLLI8UwDhNMSWVSbWU071sHiCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"177b6510a3c2ce7496a6b17624f52fad340be2bdf2aaa490898a6850b68a6589","last_reissued_at":"2026-06-09T01:05:29.243898Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T01:05:29.243898Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.08181","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":"2026-06-09T01:05:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0CBoGeRvIp0z8lYZlBNCGauUsP44I/3Z62bQNvZhxZ2G0NNaWvJZWIrlbl6x4JGYUn8Q3kBmKD5LJd5SEfVFBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T07:58:02.033009Z"},"content_sha256":"f2e26146fb0a620d29d74a74fabf99338230e601174b490fba1ab3aeceda3f89","schema_version":"1.0","event_id":"sha256:f2e26146fb0a620d29d74a74fabf99338230e601174b490fba1ab3aeceda3f89"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:C55WKEFDYLHHJFVGWF3CJ5JPVU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Microscopic mechanism of high-temperature superconductivity revealed by ab initio studies on hole-doped multilayer cuprates HgBa$_2$Ca$_2$Cu$_3$O$_8$ under pressure","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Masatoshi Imada, Ryui Kaneko","submitted_at":"2026-06-06T13:59:19Z","abstract_excerpt":"Triple-layer cuprate superconductor $\\mathrm{HgBa_2Ca_2Cu_3O_8}$ (Hg1223) keeps the record of the highest superconducting (SC) critical temperature $T_{c}\\sim 134$K among all the existing materials at ambient pressure. $T_{c}$ further increases under pressure up to $T_{c}\\sim 160$K. However, its microscopic mechanism remains to be elucidated. We solve {\\it ab initio} Hamiltonians for Hg1223 using a variational solver supplemented by a neural network. The pressure dependence of the $d$-wave SC order parameter and estimated $T_{c}$ show a dome-like structure in essential agreement with the exper"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.08181","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/2606.08181/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":"2026-06-09T01:05:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K99DVA/JR5vEvE9GP9zznCMYAdpIosXIjH5CavtLFyJohtL/xWq3agdJ5Q43+Nqu5RdLzhRIDDaLU2Wi9B1SBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T07:58:02.033396Z"},"content_sha256":"8946112a506715703b002ab97774d9f70d3755a782f20d8ba30174dac0afe9ba","schema_version":"1.0","event_id":"sha256:8946112a506715703b002ab97774d9f70d3755a782f20d8ba30174dac0afe9ba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C55WKEFDYLHHJFVGWF3CJ5JPVU/bundle.json","state_url":"https://pith.science/pith/C55WKEFDYLHHJFVGWF3CJ5JPVU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C55WKEFDYLHHJFVGWF3CJ5JPVU/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":"2026-07-03T07:58:02Z","links":{"resolver":"https://pith.science/pith/C55WKEFDYLHHJFVGWF3CJ5JPVU","bundle":"https://pith.science/pith/C55WKEFDYLHHJFVGWF3CJ5JPVU/bundle.json","state":"https://pith.science/pith/C55WKEFDYLHHJFVGWF3CJ5JPVU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C55WKEFDYLHHJFVGWF3CJ5JPVU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:C55WKEFDYLHHJFVGWF3CJ5JPVU","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":"95e904b619e028f103bd87086d7eff04c71d8ff37ee7d492ea1eaf6edd3cb9dc","cross_cats_sorted":["cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2026-06-06T13:59:19Z","title_canon_sha256":"a87cb290f20189b057b1fbacade50c64bc21d771717a13f183a651bde5cd943f"},"schema_version":"1.0","source":{"id":"2606.08181","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.08181","created_at":"2026-06-09T01:05:29Z"},{"alias_kind":"arxiv_version","alias_value":"2606.08181v1","created_at":"2026-06-09T01:05:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.08181","created_at":"2026-06-09T01:05:29Z"},{"alias_kind":"pith_short_12","alias_value":"C55WKEFDYLHH","created_at":"2026-06-09T01:05:29Z"},{"alias_kind":"pith_short_16","alias_value":"C55WKEFDYLHHJFVG","created_at":"2026-06-09T01:05:29Z"},{"alias_kind":"pith_short_8","alias_value":"C55WKEFD","created_at":"2026-06-09T01:05:29Z"}],"graph_snapshots":[{"event_id":"sha256:8946112a506715703b002ab97774d9f70d3755a782f20d8ba30174dac0afe9ba","target":"graph","created_at":"2026-06-09T01:05:29Z","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/2606.08181/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Triple-layer cuprate superconductor $\\mathrm{HgBa_2Ca_2Cu_3O_8}$ (Hg1223) keeps the record of the highest superconducting (SC) critical temperature $T_{c}\\sim 134$K among all the existing materials at ambient pressure. $T_{c}$ further increases under pressure up to $T_{c}\\sim 160$K. However, its microscopic mechanism remains to be elucidated. We solve {\\it ab initio} Hamiltonians for Hg1223 using a variational solver supplemented by a neural network. The pressure dependence of the $d$-wave SC order parameter and estimated $T_{c}$ show a dome-like structure in essential agreement with the exper","authors_text":"Masatoshi Imada, Ryui Kaneko","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2026-06-06T13:59:19Z","title":"Microscopic mechanism of high-temperature superconductivity revealed by ab initio studies on hole-doped multilayer cuprates HgBa$_2$Ca$_2$Cu$_3$O$_8$ under pressure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.08181","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:f2e26146fb0a620d29d74a74fabf99338230e601174b490fba1ab3aeceda3f89","target":"record","created_at":"2026-06-09T01:05:29Z","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":"95e904b619e028f103bd87086d7eff04c71d8ff37ee7d492ea1eaf6edd3cb9dc","cross_cats_sorted":["cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2026-06-06T13:59:19Z","title_canon_sha256":"a87cb290f20189b057b1fbacade50c64bc21d771717a13f183a651bde5cd943f"},"schema_version":"1.0","source":{"id":"2606.08181","kind":"arxiv","version":1}},"canonical_sha256":"177b6510a3c2ce7496a6b17624f52fad340be2bdf2aaa490898a6850b68a6589","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"177b6510a3c2ce7496a6b17624f52fad340be2bdf2aaa490898a6850b68a6589","first_computed_at":"2026-06-09T01:05:29.243898Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-09T01:05:29.243898Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SCeXKO/T54tinpQhj14B98unk8EQfXEgc2HmH13B2QXB55Vx9Qg1JNMZ2GssyLLI8UwDhNMSWVSbWU071sHiCQ==","signature_status":"signed_v1","signed_at":"2026-06-09T01:05:29.244393Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.08181","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2e26146fb0a620d29d74a74fabf99338230e601174b490fba1ab3aeceda3f89","sha256:8946112a506715703b002ab97774d9f70d3755a782f20d8ba30174dac0afe9ba"],"state_sha256":"1f67620b1ddf4e9a95bcc2611a9d7de636cb00ae7617225ad025b3c868e2b3dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KvILCvYIKO34F4tnc8ArpcVpL298QmtoCmHWFf0NJVxgrkZ3wn8Hm+OAc4YLcMvXyXsA/XaAHQ/O3hpDuA4dCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T07:58:02.035330Z","bundle_sha256":"ea320073d2c68057ea17122a21d7d36711a06ca1396e79c14f6064036315fa29"}}