{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:E3UIAYU7QOF5ZV2EB6AFPZYWO2","short_pith_number":"pith:E3UIAYU7","canonical_record":{"source":{"id":"1212.1659","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-12-07T17:07:55Z","cross_cats_sorted":[],"title_canon_sha256":"cdf3d8f14a7cad6511199b5293ac43386385c53c08c3b733912128d2fabfb043","abstract_canon_sha256":"af9cbad0285af049aaa3f6e2df263ccdac78e0e474afbc4a90088d5384266af1"},"schema_version":"1.0"},"canonical_sha256":"26e880629f838bdcd7440f8057e7167694c52097b87e91e1227e787838bea9cd","source":{"kind":"arxiv","id":"1212.1659","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.1659","created_at":"2026-05-18T03:38:56Z"},{"alias_kind":"arxiv_version","alias_value":"1212.1659v1","created_at":"2026-05-18T03:38:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.1659","created_at":"2026-05-18T03:38:56Z"},{"alias_kind":"pith_short_12","alias_value":"E3UIAYU7QOF5","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"E3UIAYU7QOF5ZV2E","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"E3UIAYU7","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:E3UIAYU7QOF5ZV2EB6AFPZYWO2","target":"record","payload":{"canonical_record":{"source":{"id":"1212.1659","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-12-07T17:07:55Z","cross_cats_sorted":[],"title_canon_sha256":"cdf3d8f14a7cad6511199b5293ac43386385c53c08c3b733912128d2fabfb043","abstract_canon_sha256":"af9cbad0285af049aaa3f6e2df263ccdac78e0e474afbc4a90088d5384266af1"},"schema_version":"1.0"},"canonical_sha256":"26e880629f838bdcd7440f8057e7167694c52097b87e91e1227e787838bea9cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:38:56.697928Z","signature_b64":"gkq5pe4gty9vYcW+xxZ20yg9zNPhmlv7MJWk/ICaCeNjNcddI7OIfIrvBUzPAb8gTdVG7/QEg56QG5ke2sbqDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26e880629f838bdcd7440f8057e7167694c52097b87e91e1227e787838bea9cd","last_reissued_at":"2026-05-18T03:38:56.697483Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:38:56.697483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.1659","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":"2026-05-18T03:38:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GrZbs3n8Rfgrkm0MCzIaNHdK5Wed0zewog6rYQ9wDCzyq9UGyH4W9E+SW1NZR0/tLRZLHDi9MtZ7ByEEAi8JCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T08:02:08.210542Z"},"content_sha256":"4feedaa1946c4560d114899883635d07f8fc77ad33e25130872444532252401f","schema_version":"1.0","event_id":"sha256:4feedaa1946c4560d114899883635d07f8fc77ad33e25130872444532252401f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:E3UIAYU7QOF5ZV2EB6AFPZYWO2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Binding of an oxide layer to a metal: the case of Ti(10-10)/TiO2(100)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Graeme J.Ackland, Linggang Zhu","submitted_at":"2012-12-07T17:07:55Z","abstract_excerpt":"We study the chemical nature of the bonding of an oxide layer to the parent metal. In order to disentangle chemical effects from strain/misfit, Ti(10$\\bar{1}$0)/TiO$_{2}$(100) interface has been chosen. We use the density functional pseudopotential method which gives good agreement with experiment for known properties of bulk and surface Ti and TiO$_2$. Two geometries, a film-like model (with free surface in the structure) and a bulk-like model (with no free surface in the structure) are used to simulate the interface, in each case with different terminations of Ti and TiO$_2$. For the single-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.1659","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":""},"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":"2026-05-18T03:38:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TjqmOMaIi5mcJ7lCDVXJG+xiKwXnm1apPg0fivAnzW8FXVGWBUsjEdKzqo5qod+iU6NN8OnflGtEuSPsUaRXBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T08:02:08.211227Z"},"content_sha256":"643a1cdc6af9789a90a19f431fa44c7232200808bad9abccd4a47d1929dce548","schema_version":"1.0","event_id":"sha256:643a1cdc6af9789a90a19f431fa44c7232200808bad9abccd4a47d1929dce548"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E3UIAYU7QOF5ZV2EB6AFPZYWO2/bundle.json","state_url":"https://pith.science/pith/E3UIAYU7QOF5ZV2EB6AFPZYWO2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E3UIAYU7QOF5ZV2EB6AFPZYWO2/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":"2026-06-07T08:02:08Z","links":{"resolver":"https://pith.science/pith/E3UIAYU7QOF5ZV2EB6AFPZYWO2","bundle":"https://pith.science/pith/E3UIAYU7QOF5ZV2EB6AFPZYWO2/bundle.json","state":"https://pith.science/pith/E3UIAYU7QOF5ZV2EB6AFPZYWO2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E3UIAYU7QOF5ZV2EB6AFPZYWO2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:E3UIAYU7QOF5ZV2EB6AFPZYWO2","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":"af9cbad0285af049aaa3f6e2df263ccdac78e0e474afbc4a90088d5384266af1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-12-07T17:07:55Z","title_canon_sha256":"cdf3d8f14a7cad6511199b5293ac43386385c53c08c3b733912128d2fabfb043"},"schema_version":"1.0","source":{"id":"1212.1659","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.1659","created_at":"2026-05-18T03:38:56Z"},{"alias_kind":"arxiv_version","alias_value":"1212.1659v1","created_at":"2026-05-18T03:38:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.1659","created_at":"2026-05-18T03:38:56Z"},{"alias_kind":"pith_short_12","alias_value":"E3UIAYU7QOF5","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"E3UIAYU7QOF5ZV2E","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"E3UIAYU7","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:643a1cdc6af9789a90a19f431fa44c7232200808bad9abccd4a47d1929dce548","target":"graph","created_at":"2026-05-18T03:38:56Z","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"},"paper":{"abstract_excerpt":"We study the chemical nature of the bonding of an oxide layer to the parent metal. In order to disentangle chemical effects from strain/misfit, Ti(10$\\bar{1}$0)/TiO$_{2}$(100) interface has been chosen. We use the density functional pseudopotential method which gives good agreement with experiment for known properties of bulk and surface Ti and TiO$_2$. Two geometries, a film-like model (with free surface in the structure) and a bulk-like model (with no free surface in the structure) are used to simulate the interface, in each case with different terminations of Ti and TiO$_2$. For the single-","authors_text":"Graeme J.Ackland, Linggang Zhu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-12-07T17:07:55Z","title":"Binding of an oxide layer to a metal: the case of Ti(10-10)/TiO2(100)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.1659","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":"sha256:4feedaa1946c4560d114899883635d07f8fc77ad33e25130872444532252401f","target":"record","created_at":"2026-05-18T03:38:56Z","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":"af9cbad0285af049aaa3f6e2df263ccdac78e0e474afbc4a90088d5384266af1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-12-07T17:07:55Z","title_canon_sha256":"cdf3d8f14a7cad6511199b5293ac43386385c53c08c3b733912128d2fabfb043"},"schema_version":"1.0","source":{"id":"1212.1659","kind":"arxiv","version":1}},"canonical_sha256":"26e880629f838bdcd7440f8057e7167694c52097b87e91e1227e787838bea9cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26e880629f838bdcd7440f8057e7167694c52097b87e91e1227e787838bea9cd","first_computed_at":"2026-05-18T03:38:56.697483Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:38:56.697483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gkq5pe4gty9vYcW+xxZ20yg9zNPhmlv7MJWk/ICaCeNjNcddI7OIfIrvBUzPAb8gTdVG7/QEg56QG5ke2sbqDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:38:56.697928Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.1659","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4feedaa1946c4560d114899883635d07f8fc77ad33e25130872444532252401f","sha256:643a1cdc6af9789a90a19f431fa44c7232200808bad9abccd4a47d1929dce548"],"state_sha256":"4ae5fbaa85733126b869b7310c74425d1aed39285e568d48edb8a7c965561138"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bWdqxqm7i13JN+K19r7SUqmBXwNtT2pQHN0SdcLR3W61mufnhLKciqftPP4lajJsTcQ/FJYHlUoh367B1kRSAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T08:02:08.215028Z","bundle_sha256":"e330f2f1aedff4ca74d27d24ed7e0e1857871418550d5376bbfd5dbb49ca4f80"}}