{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:C2K3ENUPV3IBA65AAIULJSOWXH","short_pith_number":"pith:C2K3ENUP","canonical_record":{"source":{"id":"2303.12659","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2023-03-22T15:37:43Z","cross_cats_sorted":["cs.LG","cs.SD","eess.AS"],"title_canon_sha256":"0d1df073bba524c152b861f7762aaf6af3b5254bf7fa695be6a3321acd967c99","abstract_canon_sha256":"4b374e13fc18b9e0fb5ec242ac90687c205b67e14b3e60f9b78f801625f4e961"},"schema_version":"1.0"},"canonical_sha256":"1695b2368faed0107ba00228b4c9d6b9c096a2ab4c309cd7e242720c6dcff040","source":{"kind":"arxiv","id":"2303.12659","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.12659","created_at":"2026-07-05T06:14:41Z"},{"alias_kind":"arxiv_version","alias_value":"2303.12659v2","created_at":"2026-07-05T06:14:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.12659","created_at":"2026-07-05T06:14:41Z"},{"alias_kind":"pith_short_12","alias_value":"C2K3ENUPV3IB","created_at":"2026-07-05T06:14:41Z"},{"alias_kind":"pith_short_16","alias_value":"C2K3ENUPV3IBA65A","created_at":"2026-07-05T06:14:41Z"},{"alias_kind":"pith_short_8","alias_value":"C2K3ENUP","created_at":"2026-07-05T06:14:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:C2K3ENUPV3IBA65AAIULJSOWXH","target":"record","payload":{"canonical_record":{"source":{"id":"2303.12659","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2023-03-22T15:37:43Z","cross_cats_sorted":["cs.LG","cs.SD","eess.AS"],"title_canon_sha256":"0d1df073bba524c152b861f7762aaf6af3b5254bf7fa695be6a3321acd967c99","abstract_canon_sha256":"4b374e13fc18b9e0fb5ec242ac90687c205b67e14b3e60f9b78f801625f4e961"},"schema_version":"1.0"},"canonical_sha256":"1695b2368faed0107ba00228b4c9d6b9c096a2ab4c309cd7e242720c6dcff040","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:14:41.746713Z","signature_b64":"sT4AVP7m7RO4feLa2FnyX0gYvPCHCIh6U7X5EkrlerpUj8Lx+9G1hKhNBYbPSeSqi1AwIsAt6OLfLmB4dbMICw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1695b2368faed0107ba00228b4c9d6b9c096a2ab4c309cd7e242720c6dcff040","last_reissued_at":"2026-07-05T06:14:41.746253Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:14:41.746253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.12659","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:14:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EO9Z9ugjW8IevkPwrqsmwcEJq+wpTZWVHvzJuBvCOX4qLvGZ6E/d+ynVy+RJjQs1ZiUs+23oywTXwdaT8Ro7Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T23:06:39.604065Z"},"content_sha256":"e76dc939f97d8e67cbbd88e6b54b0e99e9ddce145f85bbc3821d1cb8dd6aeb13","schema_version":"1.0","event_id":"sha256:e76dc939f97d8e67cbbd88e6b54b0e99e9ddce145f85bbc3821d1cb8dd6aeb13"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:C2K3ENUPV3IBA65AAIULJSOWXH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Posthoc Interpretation via Quantization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","cs.SD","eess.AS"],"primary_cat":"cs.AI","authors_text":"Cem Subakan, Francesco Paissan, Mirco Ravanelli","submitted_at":"2023-03-22T15:37:43Z","abstract_excerpt":"In this paper, we introduce a new approach, called Posthoc Interpretation via Quantization (PIQ), for interpreting decisions made by trained classifiers. Our method utilizes vector quantization to transform the representations of a classifier into a discrete, class-specific latent space. The class-specific codebooks act as a bottleneck that forces the interpreter to focus on the parts of the input data deemed relevant by the classifier for making a prediction. Our model formulation also enables learning concepts by incorporating the supervision of pretrained annotation models such as state-of-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.12659","kind":"arxiv","version":2},"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/2303.12659/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":"2026-07-05T06:14:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kj/pI2WBYg2eWFETflifaPju+VHUR6XlGYBIr990HQTorB4oDnZoCvB3B6tGZZcTVcO+NVT0eFpw6t32tYdmCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T23:06:39.604455Z"},"content_sha256":"496f91dbb2c25cd5f4d8f02451070e073427c57a2c5a42a38a1794cecf43a212","schema_version":"1.0","event_id":"sha256:496f91dbb2c25cd5f4d8f02451070e073427c57a2c5a42a38a1794cecf43a212"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C2K3ENUPV3IBA65AAIULJSOWXH/bundle.json","state_url":"https://pith.science/pith/C2K3ENUPV3IBA65AAIULJSOWXH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C2K3ENUPV3IBA65AAIULJSOWXH/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":"2026-07-06T23:06:39Z","links":{"resolver":"https://pith.science/pith/C2K3ENUPV3IBA65AAIULJSOWXH","bundle":"https://pith.science/pith/C2K3ENUPV3IBA65AAIULJSOWXH/bundle.json","state":"https://pith.science/pith/C2K3ENUPV3IBA65AAIULJSOWXH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C2K3ENUPV3IBA65AAIULJSOWXH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:C2K3ENUPV3IBA65AAIULJSOWXH","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":"4b374e13fc18b9e0fb5ec242ac90687c205b67e14b3e60f9b78f801625f4e961","cross_cats_sorted":["cs.LG","cs.SD","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2023-03-22T15:37:43Z","title_canon_sha256":"0d1df073bba524c152b861f7762aaf6af3b5254bf7fa695be6a3321acd967c99"},"schema_version":"1.0","source":{"id":"2303.12659","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.12659","created_at":"2026-07-05T06:14:41Z"},{"alias_kind":"arxiv_version","alias_value":"2303.12659v2","created_at":"2026-07-05T06:14:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.12659","created_at":"2026-07-05T06:14:41Z"},{"alias_kind":"pith_short_12","alias_value":"C2K3ENUPV3IB","created_at":"2026-07-05T06:14:41Z"},{"alias_kind":"pith_short_16","alias_value":"C2K3ENUPV3IBA65A","created_at":"2026-07-05T06:14:41Z"},{"alias_kind":"pith_short_8","alias_value":"C2K3ENUP","created_at":"2026-07-05T06:14:41Z"}],"graph_snapshots":[{"event_id":"sha256:496f91dbb2c25cd5f4d8f02451070e073427c57a2c5a42a38a1794cecf43a212","target":"graph","created_at":"2026-07-05T06:14:41Z","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/2303.12659/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we introduce a new approach, called Posthoc Interpretation via Quantization (PIQ), for interpreting decisions made by trained classifiers. Our method utilizes vector quantization to transform the representations of a classifier into a discrete, class-specific latent space. The class-specific codebooks act as a bottleneck that forces the interpreter to focus on the parts of the input data deemed relevant by the classifier for making a prediction. Our model formulation also enables learning concepts by incorporating the supervision of pretrained annotation models such as state-of-","authors_text":"Cem Subakan, Francesco Paissan, Mirco Ravanelli","cross_cats":["cs.LG","cs.SD","eess.AS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2023-03-22T15:37:43Z","title":"Posthoc Interpretation via Quantization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.12659","kind":"arxiv","version":2},"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:e76dc939f97d8e67cbbd88e6b54b0e99e9ddce145f85bbc3821d1cb8dd6aeb13","target":"record","created_at":"2026-07-05T06:14:41Z","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":"4b374e13fc18b9e0fb5ec242ac90687c205b67e14b3e60f9b78f801625f4e961","cross_cats_sorted":["cs.LG","cs.SD","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2023-03-22T15:37:43Z","title_canon_sha256":"0d1df073bba524c152b861f7762aaf6af3b5254bf7fa695be6a3321acd967c99"},"schema_version":"1.0","source":{"id":"2303.12659","kind":"arxiv","version":2}},"canonical_sha256":"1695b2368faed0107ba00228b4c9d6b9c096a2ab4c309cd7e242720c6dcff040","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1695b2368faed0107ba00228b4c9d6b9c096a2ab4c309cd7e242720c6dcff040","first_computed_at":"2026-07-05T06:14:41.746253Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:14:41.746253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sT4AVP7m7RO4feLa2FnyX0gYvPCHCIh6U7X5EkrlerpUj8Lx+9G1hKhNBYbPSeSqi1AwIsAt6OLfLmB4dbMICw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:14:41.746713Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.12659","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e76dc939f97d8e67cbbd88e6b54b0e99e9ddce145f85bbc3821d1cb8dd6aeb13","sha256:496f91dbb2c25cd5f4d8f02451070e073427c57a2c5a42a38a1794cecf43a212"],"state_sha256":"151b004891dbc92416b6228956cdf7ada2d5faf4c78a2a0fcbeb49803bf46c8c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A6i7Jw5ilnKidB9TdfRduYt7B5J7JkKCOSs7cdIWMtFkBxduwMHFlF4s8xWMjgklm3xjwLqZRJ43/LeXO46GBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T23:06:39.606366Z","bundle_sha256":"43a34fdbe42798ea6216d70e1644cc122e90afd9f4164dcb17aa5bd29b1d0d86"}}