{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:QMIT3ZCF7WA27SXEVEFOWKMHBI","short_pith_number":"pith:QMIT3ZCF","canonical_record":{"source":{"id":"1807.08370","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-07-22T21:18:38Z","cross_cats_sorted":[],"title_canon_sha256":"c03ab899e968e3cd590d77324d50d2eac56097d5d63774febdb6ef405c4b363a","abstract_canon_sha256":"081220ec38d248de43f540e1a027f685e9bd3d8e7567eb7f2695088e962f13c7"},"schema_version":"1.0"},"canonical_sha256":"83113de445fd81afcae4a90aeb29870a171e22887f15d41ac49ef701afcd68a9","source":{"kind":"arxiv","id":"1807.08370","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.08370","created_at":"2026-07-05T00:08:22Z"},{"alias_kind":"arxiv_version","alias_value":"1807.08370v1","created_at":"2026-07-05T00:08:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.08370","created_at":"2026-07-05T00:08:22Z"},{"alias_kind":"pith_short_12","alias_value":"QMIT3ZCF7WA2","created_at":"2026-07-05T00:08:22Z"},{"alias_kind":"pith_short_16","alias_value":"QMIT3ZCF7WA27SXE","created_at":"2026-07-05T00:08:22Z"},{"alias_kind":"pith_short_8","alias_value":"QMIT3ZCF","created_at":"2026-07-05T00:08:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:QMIT3ZCF7WA27SXEVEFOWKMHBI","target":"record","payload":{"canonical_record":{"source":{"id":"1807.08370","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-07-22T21:18:38Z","cross_cats_sorted":[],"title_canon_sha256":"c03ab899e968e3cd590d77324d50d2eac56097d5d63774febdb6ef405c4b363a","abstract_canon_sha256":"081220ec38d248de43f540e1a027f685e9bd3d8e7567eb7f2695088e962f13c7"},"schema_version":"1.0"},"canonical_sha256":"83113de445fd81afcae4a90aeb29870a171e22887f15d41ac49ef701afcd68a9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:08:22.904932Z","signature_b64":"S55FoqHjdoURiYgsfIZD/z16blz0Otlelh1uYJ0FTwCJP7Kfocrbx6ySUe0zYoxkAWAnlyQWO3lZZ+B/m8ixBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83113de445fd81afcae4a90aeb29870a171e22887f15d41ac49ef701afcd68a9","last_reissued_at":"2026-07-05T00:08:22.904480Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:08:22.904480Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.08370","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":"2026-07-05T00:08:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SVLeTm8njcmKyr9nqtjKsi29dG3YRp1KqERhCTRasbfeIXvY+MBXV6iA0Fduz33jC4xq57wQUcC8YJWBErbkCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:45:59.574896Z"},"content_sha256":"5884cb2e219c8118f086752186a62b841b04852750c8c4b5cb1f9fb91bc2bd1d","schema_version":"1.0","event_id":"sha256:5884cb2e219c8118f086752186a62b841b04852750c8c4b5cb1f9fb91bc2bd1d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:QMIT3ZCF7WA27SXEVEFOWKMHBI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SiGAN: Siamese Generative Adversarial Network for Identity-Preserving Face Hallucination","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chia-Wen Lin, Chih-Chung Hsu, Gene Cheung, Weng-Tai Su","submitted_at":"2018-07-22T21:18:38Z","abstract_excerpt":"Despite generative adversarial networks (GANs) can hallucinate photo-realistic high-resolution (HR) faces from low-resolution (LR) faces, they cannot guarantee preserving the identities of hallucinated HR faces, making the HR faces poorly recognizable. To address this problem, we propose a Siamese GAN (SiGAN) to reconstruct HR faces that visually resemble their corresponding identities. On top of a Siamese network, the proposed SiGAN consists of a pair of two identical generators and one discriminator. We incorporate reconstruction error and identity label information in the loss function of S"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.08370","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/1807.08370/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":"2026-07-05T00:08:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UgC6PucUQeKmrijxEtXbgw+rb6e5y/dyO9N1I87NLeZBywlNmqwoa0jHC9WnQKuNzaMvyJSLru236ohH41BXBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:45:59.575303Z"},"content_sha256":"755626a218466208d47a5328700127a1f220b39b1a0bd479de5124ca9faac736","schema_version":"1.0","event_id":"sha256:755626a218466208d47a5328700127a1f220b39b1a0bd479de5124ca9faac736"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QMIT3ZCF7WA27SXEVEFOWKMHBI/bundle.json","state_url":"https://pith.science/pith/QMIT3ZCF7WA27SXEVEFOWKMHBI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QMIT3ZCF7WA27SXEVEFOWKMHBI/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":"2026-07-05T15:45:59Z","links":{"resolver":"https://pith.science/pith/QMIT3ZCF7WA27SXEVEFOWKMHBI","bundle":"https://pith.science/pith/QMIT3ZCF7WA27SXEVEFOWKMHBI/bundle.json","state":"https://pith.science/pith/QMIT3ZCF7WA27SXEVEFOWKMHBI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QMIT3ZCF7WA27SXEVEFOWKMHBI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QMIT3ZCF7WA27SXEVEFOWKMHBI","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":"081220ec38d248de43f540e1a027f685e9bd3d8e7567eb7f2695088e962f13c7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-07-22T21:18:38Z","title_canon_sha256":"c03ab899e968e3cd590d77324d50d2eac56097d5d63774febdb6ef405c4b363a"},"schema_version":"1.0","source":{"id":"1807.08370","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.08370","created_at":"2026-07-05T00:08:22Z"},{"alias_kind":"arxiv_version","alias_value":"1807.08370v1","created_at":"2026-07-05T00:08:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.08370","created_at":"2026-07-05T00:08:22Z"},{"alias_kind":"pith_short_12","alias_value":"QMIT3ZCF7WA2","created_at":"2026-07-05T00:08:22Z"},{"alias_kind":"pith_short_16","alias_value":"QMIT3ZCF7WA27SXE","created_at":"2026-07-05T00:08:22Z"},{"alias_kind":"pith_short_8","alias_value":"QMIT3ZCF","created_at":"2026-07-05T00:08:22Z"}],"graph_snapshots":[{"event_id":"sha256:755626a218466208d47a5328700127a1f220b39b1a0bd479de5124ca9faac736","target":"graph","created_at":"2026-07-05T00:08:22Z","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/1807.08370/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Despite generative adversarial networks (GANs) can hallucinate photo-realistic high-resolution (HR) faces from low-resolution (LR) faces, they cannot guarantee preserving the identities of hallucinated HR faces, making the HR faces poorly recognizable. To address this problem, we propose a Siamese GAN (SiGAN) to reconstruct HR faces that visually resemble their corresponding identities. On top of a Siamese network, the proposed SiGAN consists of a pair of two identical generators and one discriminator. We incorporate reconstruction error and identity label information in the loss function of S","authors_text":"Chia-Wen Lin, Chih-Chung Hsu, Gene Cheung, Weng-Tai Su","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-07-22T21:18:38Z","title":"SiGAN: Siamese Generative Adversarial Network for Identity-Preserving Face Hallucination"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.08370","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":"sha256:5884cb2e219c8118f086752186a62b841b04852750c8c4b5cb1f9fb91bc2bd1d","target":"record","created_at":"2026-07-05T00:08:22Z","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":"081220ec38d248de43f540e1a027f685e9bd3d8e7567eb7f2695088e962f13c7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-07-22T21:18:38Z","title_canon_sha256":"c03ab899e968e3cd590d77324d50d2eac56097d5d63774febdb6ef405c4b363a"},"schema_version":"1.0","source":{"id":"1807.08370","kind":"arxiv","version":1}},"canonical_sha256":"83113de445fd81afcae4a90aeb29870a171e22887f15d41ac49ef701afcd68a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"83113de445fd81afcae4a90aeb29870a171e22887f15d41ac49ef701afcd68a9","first_computed_at":"2026-07-05T00:08:22.904480Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:08:22.904480Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S55FoqHjdoURiYgsfIZD/z16blz0Otlelh1uYJ0FTwCJP7Kfocrbx6ySUe0zYoxkAWAnlyQWO3lZZ+B/m8ixBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:08:22.904932Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.08370","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5884cb2e219c8118f086752186a62b841b04852750c8c4b5cb1f9fb91bc2bd1d","sha256:755626a218466208d47a5328700127a1f220b39b1a0bd479de5124ca9faac736"],"state_sha256":"14c6fb2addce2fb872ac8d8f8035c4dad0af5b2d768b91cbd8b4aaca756d6be9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JPV4F8hLl68it8ut3IxsGwNjwqblifxMWWcU4sBY11bfpvbkH4z21IUiloOHfIs+aC87IVmAJkIEwFCCTOOxDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T15:45:59.577907Z","bundle_sha256":"c2b708de4bd024613596b15b7657e1018dcaa34806b8409bea1a27c6cab4aa49"}}