{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:MHZBJPBKIARHWNGPK67TUF6UM2","short_pith_number":"pith:MHZBJPBK","canonical_record":{"source":{"id":"2401.01102","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-01-02T08:45:41Z","cross_cats_sorted":[],"title_canon_sha256":"ce0ff574df68a229100d418eff200b4411f3ea255370a30600c9d7195c6bc62a","abstract_canon_sha256":"653f5d4db872cc3859f3946ba7c28f84ea105fbb298c709f81fb28c5bf15e489"},"schema_version":"1.0"},"canonical_sha256":"61f214bc2a40227b34cf57bf3a17d46698c232c4acad11746367667c90a8ff78","source":{"kind":"arxiv","id":"2401.01102","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.01102","created_at":"2026-07-05T07:29:33Z"},{"alias_kind":"arxiv_version","alias_value":"2401.01102v1","created_at":"2026-07-05T07:29:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.01102","created_at":"2026-07-05T07:29:33Z"},{"alias_kind":"pith_short_12","alias_value":"MHZBJPBKIARH","created_at":"2026-07-05T07:29:33Z"},{"alias_kind":"pith_short_16","alias_value":"MHZBJPBKIARHWNGP","created_at":"2026-07-05T07:29:33Z"},{"alias_kind":"pith_short_8","alias_value":"MHZBJPBK","created_at":"2026-07-05T07:29:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:MHZBJPBKIARHWNGPK67TUF6UM2","target":"record","payload":{"canonical_record":{"source":{"id":"2401.01102","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-01-02T08:45:41Z","cross_cats_sorted":[],"title_canon_sha256":"ce0ff574df68a229100d418eff200b4411f3ea255370a30600c9d7195c6bc62a","abstract_canon_sha256":"653f5d4db872cc3859f3946ba7c28f84ea105fbb298c709f81fb28c5bf15e489"},"schema_version":"1.0"},"canonical_sha256":"61f214bc2a40227b34cf57bf3a17d46698c232c4acad11746367667c90a8ff78","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:29:33.975165Z","signature_b64":"VQ+DRGbFuJjnQkCXQHAmCuLsM6Nhe+Nd5jGbXEc5mlItPqZxjOvjxAxZZeKaQdo8SfIEmVTLrQfxgN6TsLhrDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61f214bc2a40227b34cf57bf3a17d46698c232c4acad11746367667c90a8ff78","last_reissued_at":"2026-07-05T07:29:33.974783Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:29:33.974783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.01102","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":"2026-07-05T07:29:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CIwwKmtmmLsmc9qFsx/P+VfoFpk+q4jSGfCH4BIY9eRObV3UNmwdmBx1fJDm5F3+Ga80u9mcdZ2dBG2QBSvbDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T20:19:28.647952Z"},"content_sha256":"e1e551aa42105437f7524a8d11e42d9cabc9f42cb3374a36a82b6b4a06795c4c","schema_version":"1.0","event_id":"sha256:e1e551aa42105437f7524a8d11e42d9cabc9f42cb3374a36a82b6b4a06795c4c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:MHZBJPBKIARHWNGPK67TUF6UM2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dual Teacher Knowledge Distillation with Domain Alignment for Face Anti-spoofing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Kaihao Zhang, Tao Wang, Wenhan Luo, Wentian Zhang, Xiaoying Tang, Yuexiang Li, Zhe Kong","submitted_at":"2024-01-02T08:45:41Z","abstract_excerpt":"Face recognition systems have raised concerns due to their vulnerability to different presentation attacks, and system security has become an increasingly critical concern. Although many face anti-spoofing (FAS) methods perform well in intra-dataset scenarios, their generalization remains a challenge. To address this issue, some methods adopt domain adversarial training (DAT) to extract domain-invariant features. However, the competition between the encoder and the domain discriminator can cause the network to be difficult to train and converge. In this paper, we propose a domain adversarial a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.01102","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/2401.01102/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":"2026-07-05T07:29:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KcIKk9btG+ZedFaz/2loPom1nNqpXtWb3qXS4Eg9JG8czidEIPD0aJRk1mv7Hiceffh7WypGIpCI3XVET1eqDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T20:19:28.648448Z"},"content_sha256":"48240df51a90f4f35d94e7807f7d2a9f112e39d433eb671434c8c596b0b10421","schema_version":"1.0","event_id":"sha256:48240df51a90f4f35d94e7807f7d2a9f112e39d433eb671434c8c596b0b10421"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MHZBJPBKIARHWNGPK67TUF6UM2/bundle.json","state_url":"https://pith.science/pith/MHZBJPBKIARHWNGPK67TUF6UM2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MHZBJPBKIARHWNGPK67TUF6UM2/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":"2026-08-19T20:19:28Z","links":{"resolver":"https://pith.science/pith/MHZBJPBKIARHWNGPK67TUF6UM2","bundle":"https://pith.science/pith/MHZBJPBKIARHWNGPK67TUF6UM2/bundle.json","state":"https://pith.science/pith/MHZBJPBKIARHWNGPK67TUF6UM2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MHZBJPBKIARHWNGPK67TUF6UM2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:MHZBJPBKIARHWNGPK67TUF6UM2","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":"653f5d4db872cc3859f3946ba7c28f84ea105fbb298c709f81fb28c5bf15e489","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-01-02T08:45:41Z","title_canon_sha256":"ce0ff574df68a229100d418eff200b4411f3ea255370a30600c9d7195c6bc62a"},"schema_version":"1.0","source":{"id":"2401.01102","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.01102","created_at":"2026-07-05T07:29:33Z"},{"alias_kind":"arxiv_version","alias_value":"2401.01102v1","created_at":"2026-07-05T07:29:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.01102","created_at":"2026-07-05T07:29:33Z"},{"alias_kind":"pith_short_12","alias_value":"MHZBJPBKIARH","created_at":"2026-07-05T07:29:33Z"},{"alias_kind":"pith_short_16","alias_value":"MHZBJPBKIARHWNGP","created_at":"2026-07-05T07:29:33Z"},{"alias_kind":"pith_short_8","alias_value":"MHZBJPBK","created_at":"2026-07-05T07:29:33Z"}],"graph_snapshots":[{"event_id":"sha256:48240df51a90f4f35d94e7807f7d2a9f112e39d433eb671434c8c596b0b10421","target":"graph","created_at":"2026-07-05T07:29:33Z","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/2401.01102/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Face recognition systems have raised concerns due to their vulnerability to different presentation attacks, and system security has become an increasingly critical concern. Although many face anti-spoofing (FAS) methods perform well in intra-dataset scenarios, their generalization remains a challenge. To address this issue, some methods adopt domain adversarial training (DAT) to extract domain-invariant features. However, the competition between the encoder and the domain discriminator can cause the network to be difficult to train and converge. In this paper, we propose a domain adversarial a","authors_text":"Kaihao Zhang, Tao Wang, Wenhan Luo, Wentian Zhang, Xiaoying Tang, Yuexiang Li, Zhe Kong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-01-02T08:45:41Z","title":"Dual Teacher Knowledge Distillation with Domain Alignment for Face Anti-spoofing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.01102","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:e1e551aa42105437f7524a8d11e42d9cabc9f42cb3374a36a82b6b4a06795c4c","target":"record","created_at":"2026-07-05T07:29:33Z","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":"653f5d4db872cc3859f3946ba7c28f84ea105fbb298c709f81fb28c5bf15e489","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-01-02T08:45:41Z","title_canon_sha256":"ce0ff574df68a229100d418eff200b4411f3ea255370a30600c9d7195c6bc62a"},"schema_version":"1.0","source":{"id":"2401.01102","kind":"arxiv","version":1}},"canonical_sha256":"61f214bc2a40227b34cf57bf3a17d46698c232c4acad11746367667c90a8ff78","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"61f214bc2a40227b34cf57bf3a17d46698c232c4acad11746367667c90a8ff78","first_computed_at":"2026-07-05T07:29:33.974783Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:29:33.974783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VQ+DRGbFuJjnQkCXQHAmCuLsM6Nhe+Nd5jGbXEc5mlItPqZxjOvjxAxZZeKaQdo8SfIEmVTLrQfxgN6TsLhrDA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:29:33.975165Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.01102","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1e551aa42105437f7524a8d11e42d9cabc9f42cb3374a36a82b6b4a06795c4c","sha256:48240df51a90f4f35d94e7807f7d2a9f112e39d433eb671434c8c596b0b10421"],"state_sha256":"61ad71ecba58a0add0d0dad46c4c4688ac8683e45f85e2e8ce7ca3bd7e4a6905"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D42KNE5lU7GJvG8B6aPft7K5wHg7enWD4lCHlrxZpTxk2nhs0qrHSnXhhkwchci22+ec0dTumiB4wzdduVptDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T20:19:28.653111Z","bundle_sha256":"1cc006b9073260328a52e735b70c46ba851c9513e1589791c0078e1f3d11d3c6"}}