{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:HPYO4YNDXEJO2MSVEOHBANXBBL","short_pith_number":"pith:HPYO4YND","canonical_record":{"source":{"id":"2607.23383","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-25T22:28:39Z","cross_cats_sorted":[],"title_canon_sha256":"158dcc45f2e2e98131ab6ce37ad760cae2ee1c9e26ae336f1a0ee28a6c963c75","abstract_canon_sha256":"66c9a1037fc390bf7c70727e7a656eb42623a0b2f114d71397968d6c5358def8"},"schema_version":"1.0"},"canonical_sha256":"3bf0ee61a3b912ed3255238e1036e10ac3b4533286af9cbc3bb98b2c3e28d0c5","source":{"kind":"arxiv","id":"2607.23383","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.23383","created_at":"2026-07-28T01:22:50Z"},{"alias_kind":"arxiv_version","alias_value":"2607.23383v1","created_at":"2026-07-28T01:22:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.23383","created_at":"2026-07-28T01:22:50Z"},{"alias_kind":"pith_short_12","alias_value":"HPYO4YNDXEJO","created_at":"2026-07-28T01:22:50Z"},{"alias_kind":"pith_short_16","alias_value":"HPYO4YNDXEJO2MSV","created_at":"2026-07-28T01:22:50Z"},{"alias_kind":"pith_short_8","alias_value":"HPYO4YND","created_at":"2026-07-28T01:22:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:HPYO4YNDXEJO2MSVEOHBANXBBL","target":"record","payload":{"canonical_record":{"source":{"id":"2607.23383","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-25T22:28:39Z","cross_cats_sorted":[],"title_canon_sha256":"158dcc45f2e2e98131ab6ce37ad760cae2ee1c9e26ae336f1a0ee28a6c963c75","abstract_canon_sha256":"66c9a1037fc390bf7c70727e7a656eb42623a0b2f114d71397968d6c5358def8"},"schema_version":"1.0"},"canonical_sha256":"3bf0ee61a3b912ed3255238e1036e10ac3b4533286af9cbc3bb98b2c3e28d0c5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-28T01:22:50.053097Z","signature_b64":"GrSr37zRGK/1WjrmGaXvkVqUpx9jdzWGjlf0qvBC1EkjIysnXIuJ7yigVKOcRdeOE5hLjiLqxPc/jlQVW1AwCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3bf0ee61a3b912ed3255238e1036e10ac3b4533286af9cbc3bb98b2c3e28d0c5","last_reissued_at":"2026-07-28T01:22:50.052345Z","signature_status":"signed_v1","first_computed_at":"2026-07-28T01:22:50.052345Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.23383","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":"2026-07-28T01:22:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/UTANEjn7VpsfdVB7pRDg1tWCIvHTUwCQvv4fT4s2oQfixB7sQjsz2IQ2mWu1hcIz9SCpwYKtc9ETTa4Q45tBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T16:54:30.729081Z"},"content_sha256":"31f29a8fc4d34a719ab09ce6aa45e9fa111cee197dc969ca9933d46b5ea12959","schema_version":"1.0","event_id":"sha256:31f29a8fc4d34a719ab09ce6aa45e9fa111cee197dc969ca9933d46b5ea12959"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:HPYO4YNDXEJO2MSVEOHBANXBBL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fermi-level mediated acceleration of flash sintering of oxide ceramics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Boris I. Yakobson, Evgeni S. Penev, Qin-Kun Li","submitted_at":"2026-07-25T22:28:39Z","abstract_excerpt":"The atomistic understanding of flash sintering (FS) remains speculative, despite its efficiency and versatility in materials processing. Employing first-principles calculations we demonstrate how charge compensation of a range of defects in the prototypical Y-stabilized cubic ZrO$_2$ (YSZ) shifts Fermi level E$_F$ up during FS, thereby accelerating cation migration for fast mass transport. The charge transition of Zr vacancy, V$_{Zr}^q$, reduces its bulk diffusion barrier in V$_{Zr}^{-4}$ during flash by 2 eV, relative to V$_{Zr}^0$ before flash, which is triggered by the charge equilibrium of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.23383","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/2607.23383/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":"2026-07-28T01:22:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V2pTbswi8N+FthRdZpldP+9CoWcJ2lfY3EicgJKCbeDMUo0gS5xN6D26+sm1KxlLtwdh3iX6FMXCf0aX56VlAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T16:54:30.729600Z"},"content_sha256":"78051dd27fc34743c46a7c73585ba3ded72f90f930c524879aee27239b7bab13","schema_version":"1.0","event_id":"sha256:78051dd27fc34743c46a7c73585ba3ded72f90f930c524879aee27239b7bab13"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HPYO4YNDXEJO2MSVEOHBANXBBL/bundle.json","state_url":"https://pith.science/pith/HPYO4YNDXEJO2MSVEOHBANXBBL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HPYO4YNDXEJO2MSVEOHBANXBBL/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":"2026-08-15T16:54:30Z","links":{"resolver":"https://pith.science/pith/HPYO4YNDXEJO2MSVEOHBANXBBL","bundle":"https://pith.science/pith/HPYO4YNDXEJO2MSVEOHBANXBBL/bundle.json","state":"https://pith.science/pith/HPYO4YNDXEJO2MSVEOHBANXBBL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HPYO4YNDXEJO2MSVEOHBANXBBL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:HPYO4YNDXEJO2MSVEOHBANXBBL","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":"66c9a1037fc390bf7c70727e7a656eb42623a0b2f114d71397968d6c5358def8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-25T22:28:39Z","title_canon_sha256":"158dcc45f2e2e98131ab6ce37ad760cae2ee1c9e26ae336f1a0ee28a6c963c75"},"schema_version":"1.0","source":{"id":"2607.23383","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.23383","created_at":"2026-07-28T01:22:50Z"},{"alias_kind":"arxiv_version","alias_value":"2607.23383v1","created_at":"2026-07-28T01:22:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.23383","created_at":"2026-07-28T01:22:50Z"},{"alias_kind":"pith_short_12","alias_value":"HPYO4YNDXEJO","created_at":"2026-07-28T01:22:50Z"},{"alias_kind":"pith_short_16","alias_value":"HPYO4YNDXEJO2MSV","created_at":"2026-07-28T01:22:50Z"},{"alias_kind":"pith_short_8","alias_value":"HPYO4YND","created_at":"2026-07-28T01:22:50Z"}],"graph_snapshots":[{"event_id":"sha256:78051dd27fc34743c46a7c73585ba3ded72f90f930c524879aee27239b7bab13","target":"graph","created_at":"2026-07-28T01:22:50Z","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/2607.23383/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The atomistic understanding of flash sintering (FS) remains speculative, despite its efficiency and versatility in materials processing. Employing first-principles calculations we demonstrate how charge compensation of a range of defects in the prototypical Y-stabilized cubic ZrO$_2$ (YSZ) shifts Fermi level E$_F$ up during FS, thereby accelerating cation migration for fast mass transport. The charge transition of Zr vacancy, V$_{Zr}^q$, reduces its bulk diffusion barrier in V$_{Zr}^{-4}$ during flash by 2 eV, relative to V$_{Zr}^0$ before flash, which is triggered by the charge equilibrium of","authors_text":"Boris I. Yakobson, Evgeni S. Penev, Qin-Kun Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-25T22:28:39Z","title":"Fermi-level mediated acceleration of flash sintering of oxide ceramics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.23383","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":"sha256:31f29a8fc4d34a719ab09ce6aa45e9fa111cee197dc969ca9933d46b5ea12959","target":"record","created_at":"2026-07-28T01:22:50Z","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":"66c9a1037fc390bf7c70727e7a656eb42623a0b2f114d71397968d6c5358def8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-25T22:28:39Z","title_canon_sha256":"158dcc45f2e2e98131ab6ce37ad760cae2ee1c9e26ae336f1a0ee28a6c963c75"},"schema_version":"1.0","source":{"id":"2607.23383","kind":"arxiv","version":1}},"canonical_sha256":"3bf0ee61a3b912ed3255238e1036e10ac3b4533286af9cbc3bb98b2c3e28d0c5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3bf0ee61a3b912ed3255238e1036e10ac3b4533286af9cbc3bb98b2c3e28d0c5","first_computed_at":"2026-07-28T01:22:50.052345Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-28T01:22:50.052345Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GrSr37zRGK/1WjrmGaXvkVqUpx9jdzWGjlf0qvBC1EkjIysnXIuJ7yigVKOcRdeOE5hLjiLqxPc/jlQVW1AwCA==","signature_status":"signed_v1","signed_at":"2026-07-28T01:22:50.053097Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.23383","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31f29a8fc4d34a719ab09ce6aa45e9fa111cee197dc969ca9933d46b5ea12959","sha256:78051dd27fc34743c46a7c73585ba3ded72f90f930c524879aee27239b7bab13"],"state_sha256":"2932676284fafdba4db440cacb739fbdd4e687186412384900ce31874f5f3f1c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eKQ5GN1d3kEWAEzTNPjKaJHTLqPs2EZ4JflWbwTuHGKxOYAKOnMkMYF4j9JDFnqywufgdvJPCEoDFnsTvmMSCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T16:54:30.733943Z","bundle_sha256":"ced6a7e37ce0adad660874979ce00d27bf1e4bc3adb5d68d84e780a7afa099d5"}}