{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:ENJRN5ITL46NCH4BEIR3M4YRVL","short_pith_number":"pith:ENJRN5IT","canonical_record":{"source":{"id":"2010.15895","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-10-29T19:20:54Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"93f3ce1a59908e84302006b4861452e94595f88c4cd7f40d5d6fbd7023551fe0","abstract_canon_sha256":"1adc2cbbbf1f60ea24d31b74976a50449eac0278f1d78e032fed63dd928e6f25"},"schema_version":"1.0"},"canonical_sha256":"235316f5135f3cd11f812223b67311aae52915b59589dec8311b8e74a854feb4","source":{"kind":"arxiv","id":"2010.15895","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.15895","created_at":"2026-07-05T01:47:47Z"},{"alias_kind":"arxiv_version","alias_value":"2010.15895v1","created_at":"2026-07-05T01:47:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.15895","created_at":"2026-07-05T01:47:47Z"},{"alias_kind":"pith_short_12","alias_value":"ENJRN5ITL46N","created_at":"2026-07-05T01:47:47Z"},{"alias_kind":"pith_short_16","alias_value":"ENJRN5ITL46NCH4B","created_at":"2026-07-05T01:47:47Z"},{"alias_kind":"pith_short_8","alias_value":"ENJRN5IT","created_at":"2026-07-05T01:47:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:ENJRN5ITL46NCH4BEIR3M4YRVL","target":"record","payload":{"canonical_record":{"source":{"id":"2010.15895","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-10-29T19:20:54Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"93f3ce1a59908e84302006b4861452e94595f88c4cd7f40d5d6fbd7023551fe0","abstract_canon_sha256":"1adc2cbbbf1f60ea24d31b74976a50449eac0278f1d78e032fed63dd928e6f25"},"schema_version":"1.0"},"canonical_sha256":"235316f5135f3cd11f812223b67311aae52915b59589dec8311b8e74a854feb4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:47:47.054529Z","signature_b64":"bG9BrYsyH9aXjE3OGG6676l/QhYObi6g1Ss7YSCYXSqXCxJu6/LoUGBGVbOezDI0LWbDehmSBVixd5qTq09aBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"235316f5135f3cd11f812223b67311aae52915b59589dec8311b8e74a854feb4","last_reissued_at":"2026-07-05T01:47:47.054055Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:47:47.054055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.15895","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":"2026-07-05T01:47:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yD6qXK3fclllJ++TNEe+ozGV568MVfrSACNYXdw3c1xA8SMQuwt0PpEMv4VRsnnJ7mgbWiC14CM++uWFEaVUBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T08:16:13.391549Z"},"content_sha256":"99bd8811174837e2c4e51d7d80c57b5deaa1f77baf2c0878c9ccb5e1fe089960","schema_version":"1.0","event_id":"sha256:99bd8811174837e2c4e51d7d80c57b5deaa1f77baf2c0878c9ccb5e1fe089960"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:ENJRN5ITL46NCH4BEIR3M4YRVL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phase separation and pairing fluctuations in oxide materials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"A. Bill, A. Shelkan, A. Sherman, G. Seibold, R. K. Kremer, V. Hizhnyakov","submitted_at":"2020-10-29T19:20:54Z","abstract_excerpt":"We investigate the microscopic mechanism of charge instabilities and the formation of inhomogeneous states in systems with strong electron correlations. It is demonstrated that within a strong coupling expansion the single-band Hubbard model shows an instability towards phase separation and extend the approach also for an analysis of phase separation in the Hubbard-Kanamori hamiltonian as a prototypical multiband model. We study the pairing fluctuations on top of an inhomogeneous stripe state where superconducting correlations in the extended s-wave and d-wave channels correspond to (anti)boun"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.15895","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/2010.15895/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":"2026-07-05T01:47:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JnAO/AzH3q+C0T4E/FoCWKJ7/8wXSLeKaeQYkUqHBB47QwHzTHYZ+vBRkAKFfEGILs6F3koZnJoZHQSYKKFcCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T08:16:13.392128Z"},"content_sha256":"282e6bd05168c23a395b2364c9e3dc759d4d74a5448394398e54ce822c07d7d8","schema_version":"1.0","event_id":"sha256:282e6bd05168c23a395b2364c9e3dc759d4d74a5448394398e54ce822c07d7d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ENJRN5ITL46NCH4BEIR3M4YRVL/bundle.json","state_url":"https://pith.science/pith/ENJRN5ITL46NCH4BEIR3M4YRVL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ENJRN5ITL46NCH4BEIR3M4YRVL/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":"2026-08-05T08:16:13Z","links":{"resolver":"https://pith.science/pith/ENJRN5ITL46NCH4BEIR3M4YRVL","bundle":"https://pith.science/pith/ENJRN5ITL46NCH4BEIR3M4YRVL/bundle.json","state":"https://pith.science/pith/ENJRN5ITL46NCH4BEIR3M4YRVL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ENJRN5ITL46NCH4BEIR3M4YRVL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:ENJRN5ITL46NCH4BEIR3M4YRVL","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":"1adc2cbbbf1f60ea24d31b74976a50449eac0278f1d78e032fed63dd928e6f25","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-10-29T19:20:54Z","title_canon_sha256":"93f3ce1a59908e84302006b4861452e94595f88c4cd7f40d5d6fbd7023551fe0"},"schema_version":"1.0","source":{"id":"2010.15895","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.15895","created_at":"2026-07-05T01:47:47Z"},{"alias_kind":"arxiv_version","alias_value":"2010.15895v1","created_at":"2026-07-05T01:47:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.15895","created_at":"2026-07-05T01:47:47Z"},{"alias_kind":"pith_short_12","alias_value":"ENJRN5ITL46N","created_at":"2026-07-05T01:47:47Z"},{"alias_kind":"pith_short_16","alias_value":"ENJRN5ITL46NCH4B","created_at":"2026-07-05T01:47:47Z"},{"alias_kind":"pith_short_8","alias_value":"ENJRN5IT","created_at":"2026-07-05T01:47:47Z"}],"graph_snapshots":[{"event_id":"sha256:282e6bd05168c23a395b2364c9e3dc759d4d74a5448394398e54ce822c07d7d8","target":"graph","created_at":"2026-07-05T01:47:47Z","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/2010.15895/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the microscopic mechanism of charge instabilities and the formation of inhomogeneous states in systems with strong electron correlations. It is demonstrated that within a strong coupling expansion the single-band Hubbard model shows an instability towards phase separation and extend the approach also for an analysis of phase separation in the Hubbard-Kanamori hamiltonian as a prototypical multiband model. We study the pairing fluctuations on top of an inhomogeneous stripe state where superconducting correlations in the extended s-wave and d-wave channels correspond to (anti)boun","authors_text":"A. Bill, A. Shelkan, A. Sherman, G. Seibold, R. K. Kremer, V. Hizhnyakov","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-10-29T19:20:54Z","title":"Phase separation and pairing fluctuations in oxide materials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.15895","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":"sha256:99bd8811174837e2c4e51d7d80c57b5deaa1f77baf2c0878c9ccb5e1fe089960","target":"record","created_at":"2026-07-05T01:47:47Z","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":"1adc2cbbbf1f60ea24d31b74976a50449eac0278f1d78e032fed63dd928e6f25","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-10-29T19:20:54Z","title_canon_sha256":"93f3ce1a59908e84302006b4861452e94595f88c4cd7f40d5d6fbd7023551fe0"},"schema_version":"1.0","source":{"id":"2010.15895","kind":"arxiv","version":1}},"canonical_sha256":"235316f5135f3cd11f812223b67311aae52915b59589dec8311b8e74a854feb4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"235316f5135f3cd11f812223b67311aae52915b59589dec8311b8e74a854feb4","first_computed_at":"2026-07-05T01:47:47.054055Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:47:47.054055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bG9BrYsyH9aXjE3OGG6676l/QhYObi6g1Ss7YSCYXSqXCxJu6/LoUGBGVbOezDI0LWbDehmSBVixd5qTq09aBw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:47:47.054529Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.15895","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99bd8811174837e2c4e51d7d80c57b5deaa1f77baf2c0878c9ccb5e1fe089960","sha256:282e6bd05168c23a395b2364c9e3dc759d4d74a5448394398e54ce822c07d7d8"],"state_sha256":"cd8e017d83a63b3d115c25e3070662010f7b44d5adf92a4e6a6095841511f831"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZCJaW0NHQNjTU3T/GoFvZwwcQFbMtt0zB2VpTYk8e4v5xFuvMJkfMLYqFaDBmvr4lInjrIrpKgZK4uhTvxFbBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T08:16:13.397918Z","bundle_sha256":"6da47cdab2743daf06a55156a4fd9ccae0fecfe8ea56a6c57249f8b87438244a"}}