{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:OF2KWGWBGKKMCII5G4GD4TBEO2","short_pith_number":"pith:OF2KWGWB","canonical_record":{"source":{"id":"1912.00515","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2019-12-01T22:46:44Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"557f5b407f6f64ac7dc2511c64120ba5301999b494356edd508e2ba0ea0aa9e9","abstract_canon_sha256":"4f7132d3a5227bc2265d115bf0baee9e76ec6f0510cee4afe3f423eb43468cc5"},"schema_version":"1.0"},"canonical_sha256":"7174ab1ac13294c1211d370c3e4c24768c662c56d5ce622b54c1de323d775fae","source":{"kind":"arxiv","id":"1912.00515","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.00515","created_at":"2026-07-05T01:23:23Z"},{"alias_kind":"arxiv_version","alias_value":"1912.00515v4","created_at":"2026-07-05T01:23:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.00515","created_at":"2026-07-05T01:23:23Z"},{"alias_kind":"pith_short_12","alias_value":"OF2KWGWBGKKM","created_at":"2026-07-05T01:23:23Z"},{"alias_kind":"pith_short_16","alias_value":"OF2KWGWBGKKMCII5","created_at":"2026-07-05T01:23:23Z"},{"alias_kind":"pith_short_8","alias_value":"OF2KWGWB","created_at":"2026-07-05T01:23:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:OF2KWGWBGKKMCII5G4GD4TBEO2","target":"record","payload":{"canonical_record":{"source":{"id":"1912.00515","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2019-12-01T22:46:44Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"557f5b407f6f64ac7dc2511c64120ba5301999b494356edd508e2ba0ea0aa9e9","abstract_canon_sha256":"4f7132d3a5227bc2265d115bf0baee9e76ec6f0510cee4afe3f423eb43468cc5"},"schema_version":"1.0"},"canonical_sha256":"7174ab1ac13294c1211d370c3e4c24768c662c56d5ce622b54c1de323d775fae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:23:23.003642Z","signature_b64":"ir83wOxOvYJFn2kNTbCFYgminhx8QiQvFn7g8VhQZxx6lfXIEpHC7pyHpOyG6LqO/ZvEYuJ8C9E8yL11Ps8pBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7174ab1ac13294c1211d370c3e4c24768c662c56d5ce622b54c1de323d775fae","last_reissued_at":"2026-07-05T01:23:23.003179Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:23:23.003179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.00515","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:23:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fcz3I7PTdE/FQdT4jRB0rrwvN5gKNuyL0+igTU7kifFBGYqNJPk/QoF94UMr+0k76rL1stY29zU3/Lzr4YLvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T17:55:51.910670Z"},"content_sha256":"edd4b40071e93c0755ff7c9613d5b04d9fdf961525c264c4fc5e4df568cff113","schema_version":"1.0","event_id":"sha256:edd4b40071e93c0755ff7c9613d5b04d9fdf961525c264c4fc5e4df568cff113"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:OF2KWGWBGKKMCII5G4GD4TBEO2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Texture Hallucination for Large-Factor Painting Super-Resolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Jose Echevarria, Stephen DiVerdi, Yulun Zhang, Yun Fu, Zhaowen Wang, Zhifei Zhang","submitted_at":"2019-12-01T22:46:44Z","abstract_excerpt":"We aim to super-resolve digital paintings, synthesizing realistic details from high-resolution reference painting materials for very large scaling factors (e.g., 8X, 16X). However, previous single image super-resolution (SISR) methods would either lose textural details or introduce unpleasing artifacts. On the other hand, reference-based SR (Ref-SR) methods can transfer textures to some extent, but is still impractical to handle very large factors and keep fidelity with original input. To solve these problems, we propose an efficient high-resolution hallucination network for very large scaling"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.00515","kind":"arxiv","version":4},"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/1912.00515/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":"2026-07-05T01:23:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J/n0kHGrb2QhcVYP4uSzbSpkGJw5KIAW76459D/GhmF0+t6CWIOCNqMZTLQCzrO6aL6wvr9beYRwYMhTVqt/BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T17:55:51.911170Z"},"content_sha256":"91cef6128f4186058e83eb0b10c83afb74976d480173c468e28eeeb878d8b622","schema_version":"1.0","event_id":"sha256:91cef6128f4186058e83eb0b10c83afb74976d480173c468e28eeeb878d8b622"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OF2KWGWBGKKMCII5G4GD4TBEO2/bundle.json","state_url":"https://pith.science/pith/OF2KWGWBGKKMCII5G4GD4TBEO2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OF2KWGWBGKKMCII5G4GD4TBEO2/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":"2026-08-08T17:55:51Z","links":{"resolver":"https://pith.science/pith/OF2KWGWBGKKMCII5G4GD4TBEO2","bundle":"https://pith.science/pith/OF2KWGWBGKKMCII5G4GD4TBEO2/bundle.json","state":"https://pith.science/pith/OF2KWGWBGKKMCII5G4GD4TBEO2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OF2KWGWBGKKMCII5G4GD4TBEO2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:OF2KWGWBGKKMCII5G4GD4TBEO2","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":"4f7132d3a5227bc2265d115bf0baee9e76ec6f0510cee4afe3f423eb43468cc5","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2019-12-01T22:46:44Z","title_canon_sha256":"557f5b407f6f64ac7dc2511c64120ba5301999b494356edd508e2ba0ea0aa9e9"},"schema_version":"1.0","source":{"id":"1912.00515","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.00515","created_at":"2026-07-05T01:23:23Z"},{"alias_kind":"arxiv_version","alias_value":"1912.00515v4","created_at":"2026-07-05T01:23:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.00515","created_at":"2026-07-05T01:23:23Z"},{"alias_kind":"pith_short_12","alias_value":"OF2KWGWBGKKM","created_at":"2026-07-05T01:23:23Z"},{"alias_kind":"pith_short_16","alias_value":"OF2KWGWBGKKMCII5","created_at":"2026-07-05T01:23:23Z"},{"alias_kind":"pith_short_8","alias_value":"OF2KWGWB","created_at":"2026-07-05T01:23:23Z"}],"graph_snapshots":[{"event_id":"sha256:91cef6128f4186058e83eb0b10c83afb74976d480173c468e28eeeb878d8b622","target":"graph","created_at":"2026-07-05T01:23:23Z","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/1912.00515/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We aim to super-resolve digital paintings, synthesizing realistic details from high-resolution reference painting materials for very large scaling factors (e.g., 8X, 16X). However, previous single image super-resolution (SISR) methods would either lose textural details or introduce unpleasing artifacts. On the other hand, reference-based SR (Ref-SR) methods can transfer textures to some extent, but is still impractical to handle very large factors and keep fidelity with original input. To solve these problems, we propose an efficient high-resolution hallucination network for very large scaling","authors_text":"Jose Echevarria, Stephen DiVerdi, Yulun Zhang, Yun Fu, Zhaowen Wang, Zhifei Zhang","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2019-12-01T22:46:44Z","title":"Texture Hallucination for Large-Factor Painting Super-Resolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.00515","kind":"arxiv","version":4},"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:edd4b40071e93c0755ff7c9613d5b04d9fdf961525c264c4fc5e4df568cff113","target":"record","created_at":"2026-07-05T01:23:23Z","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":"4f7132d3a5227bc2265d115bf0baee9e76ec6f0510cee4afe3f423eb43468cc5","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2019-12-01T22:46:44Z","title_canon_sha256":"557f5b407f6f64ac7dc2511c64120ba5301999b494356edd508e2ba0ea0aa9e9"},"schema_version":"1.0","source":{"id":"1912.00515","kind":"arxiv","version":4}},"canonical_sha256":"7174ab1ac13294c1211d370c3e4c24768c662c56d5ce622b54c1de323d775fae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7174ab1ac13294c1211d370c3e4c24768c662c56d5ce622b54c1de323d775fae","first_computed_at":"2026-07-05T01:23:23.003179Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:23:23.003179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ir83wOxOvYJFn2kNTbCFYgminhx8QiQvFn7g8VhQZxx6lfXIEpHC7pyHpOyG6LqO/ZvEYuJ8C9E8yL11Ps8pBw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:23:23.003642Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.00515","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:edd4b40071e93c0755ff7c9613d5b04d9fdf961525c264c4fc5e4df568cff113","sha256:91cef6128f4186058e83eb0b10c83afb74976d480173c468e28eeeb878d8b622"],"state_sha256":"0aabe8843e0f77274c02477637c253ecdf0b51c8a75aca13445174165bec1621"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7jVt3EEPEvTwLomMq+npDEpmfJQJpx3RUtfQEG1lSV8hGhhULD2BX/0XANhW/lwWW59WzwBn8kF4PLXnJLfVAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T17:55:51.915365Z","bundle_sha256":"679ef1c6be8d35127f707ef5ef498983b1176cb20fc44165f3a97d4e9eedf50c"}}