{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:YCI5IDK5FTDFJ3FUJ7YUBJBPTG","short_pith_number":"pith:YCI5IDK5","canonical_record":{"source":{"id":"2504.01739","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-02T13:51:19Z","cross_cats_sorted":[],"title_canon_sha256":"3b9a13140737f607dc080d5af4a5afc71422dcb645b74c4a88c6932e559f380c","abstract_canon_sha256":"64dcd7629ec17d72a3072db7643d9641f9df99867f1b155dc6370326549fdec1"},"schema_version":"1.0"},"canonical_sha256":"c091d40d5d2cc654ecb44ff140a42f99a96e2fe07fd0a2c18f7234c9906a3b0c","source":{"kind":"arxiv","id":"2504.01739","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.01739","created_at":"2026-07-05T10:44:23Z"},{"alias_kind":"arxiv_version","alias_value":"2504.01739v2","created_at":"2026-07-05T10:44:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.01739","created_at":"2026-07-05T10:44:23Z"},{"alias_kind":"pith_short_12","alias_value":"YCI5IDK5FTDF","created_at":"2026-07-05T10:44:23Z"},{"alias_kind":"pith_short_16","alias_value":"YCI5IDK5FTDFJ3FU","created_at":"2026-07-05T10:44:23Z"},{"alias_kind":"pith_short_8","alias_value":"YCI5IDK5","created_at":"2026-07-05T10:44:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:YCI5IDK5FTDFJ3FUJ7YUBJBPTG","target":"record","payload":{"canonical_record":{"source":{"id":"2504.01739","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-02T13:51:19Z","cross_cats_sorted":[],"title_canon_sha256":"3b9a13140737f607dc080d5af4a5afc71422dcb645b74c4a88c6932e559f380c","abstract_canon_sha256":"64dcd7629ec17d72a3072db7643d9641f9df99867f1b155dc6370326549fdec1"},"schema_version":"1.0"},"canonical_sha256":"c091d40d5d2cc654ecb44ff140a42f99a96e2fe07fd0a2c18f7234c9906a3b0c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:44:23.597585Z","signature_b64":"/bhysEg3T2wZMDEHyjYKC4p8HhYQLhGY61j52lrgfznxl0Q9XoghYlZFMwQyDweMSQPNRR+953CZUg3wAGOZDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c091d40d5d2cc654ecb44ff140a42f99a96e2fe07fd0a2c18f7234c9906a3b0c","last_reissued_at":"2026-07-05T10:44:23.596759Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:44:23.596759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.01739","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":"2026-07-05T10:44:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7PO3F7kjrPa007oewy+y6yQk/enKJVhScQdUc2TRMslfF1yjfvi9uAk1YJSKFM9i5anGspt1k3kL6EG4d8s3AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T17:02:10.928030Z"},"content_sha256":"49ddb6f6e4b4a38f3dc2680e55c10a2fe2fb9456c87d0775dc6ba4b95b801f68","schema_version":"1.0","event_id":"sha256:49ddb6f6e4b4a38f3dc2680e55c10a2fe2fb9456c87d0775dc6ba4b95b801f68"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:YCI5IDK5FTDFJ3FUJ7YUBJBPTG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Understanding Cross-Model Perceptual Invariances Through Ensemble Metamers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Bjoern Eskofier, Christoffer Loeffler, Dario Zanca, Jonas Leo Mueller, Leo Schwinn, Lukas Boehm","submitted_at":"2025-04-02T13:51:19Z","abstract_excerpt":"Understanding the perceptual invariances of artificial neural networks is essential for improving explainability and aligning models with human vision. Metamers - stimuli that are physically distinct yet produce identical neural activations - serve as a valuable tool for investigating these invariances. We introduce a novel approach to metamer generation by leveraging ensembles of artificial neural networks, capturing shared representational subspaces across diverse architectures, including convolutional neural networks and vision transformers. To characterize the properties of the generated m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.01739","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/2504.01739/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":"2026-07-05T10:44:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kJzUD3K0ENH9XcgyQt0L4PSlNqByWt2VM/2MzF6+UQvj+xaRJuQ4G79bDy7abl+7GPqLfwTBQJdNRiyM6VeODw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T17:02:10.929194Z"},"content_sha256":"ee740c3a87e16a63541ec6366bf6236a35fb0aa0dbe5f9a6cf74bdbbc519c825","schema_version":"1.0","event_id":"sha256:ee740c3a87e16a63541ec6366bf6236a35fb0aa0dbe5f9a6cf74bdbbc519c825"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YCI5IDK5FTDFJ3FUJ7YUBJBPTG/bundle.json","state_url":"https://pith.science/pith/YCI5IDK5FTDFJ3FUJ7YUBJBPTG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YCI5IDK5FTDFJ3FUJ7YUBJBPTG/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":"2026-08-05T17:02:10Z","links":{"resolver":"https://pith.science/pith/YCI5IDK5FTDFJ3FUJ7YUBJBPTG","bundle":"https://pith.science/pith/YCI5IDK5FTDFJ3FUJ7YUBJBPTG/bundle.json","state":"https://pith.science/pith/YCI5IDK5FTDFJ3FUJ7YUBJBPTG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YCI5IDK5FTDFJ3FUJ7YUBJBPTG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:YCI5IDK5FTDFJ3FUJ7YUBJBPTG","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":"64dcd7629ec17d72a3072db7643d9641f9df99867f1b155dc6370326549fdec1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-02T13:51:19Z","title_canon_sha256":"3b9a13140737f607dc080d5af4a5afc71422dcb645b74c4a88c6932e559f380c"},"schema_version":"1.0","source":{"id":"2504.01739","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.01739","created_at":"2026-07-05T10:44:23Z"},{"alias_kind":"arxiv_version","alias_value":"2504.01739v2","created_at":"2026-07-05T10:44:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.01739","created_at":"2026-07-05T10:44:23Z"},{"alias_kind":"pith_short_12","alias_value":"YCI5IDK5FTDF","created_at":"2026-07-05T10:44:23Z"},{"alias_kind":"pith_short_16","alias_value":"YCI5IDK5FTDFJ3FU","created_at":"2026-07-05T10:44:23Z"},{"alias_kind":"pith_short_8","alias_value":"YCI5IDK5","created_at":"2026-07-05T10:44:23Z"}],"graph_snapshots":[{"event_id":"sha256:ee740c3a87e16a63541ec6366bf6236a35fb0aa0dbe5f9a6cf74bdbbc519c825","target":"graph","created_at":"2026-07-05T10:44:23Z","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/2504.01739/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Understanding the perceptual invariances of artificial neural networks is essential for improving explainability and aligning models with human vision. Metamers - stimuli that are physically distinct yet produce identical neural activations - serve as a valuable tool for investigating these invariances. We introduce a novel approach to metamer generation by leveraging ensembles of artificial neural networks, capturing shared representational subspaces across diverse architectures, including convolutional neural networks and vision transformers. To characterize the properties of the generated m","authors_text":"Bjoern Eskofier, Christoffer Loeffler, Dario Zanca, Jonas Leo Mueller, Leo Schwinn, Lukas Boehm","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-02T13:51:19Z","title":"Understanding Cross-Model Perceptual Invariances Through Ensemble Metamers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.01739","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":"sha256:49ddb6f6e4b4a38f3dc2680e55c10a2fe2fb9456c87d0775dc6ba4b95b801f68","target":"record","created_at":"2026-07-05T10:44:23Z","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":"64dcd7629ec17d72a3072db7643d9641f9df99867f1b155dc6370326549fdec1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-04-02T13:51:19Z","title_canon_sha256":"3b9a13140737f607dc080d5af4a5afc71422dcb645b74c4a88c6932e559f380c"},"schema_version":"1.0","source":{"id":"2504.01739","kind":"arxiv","version":2}},"canonical_sha256":"c091d40d5d2cc654ecb44ff140a42f99a96e2fe07fd0a2c18f7234c9906a3b0c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c091d40d5d2cc654ecb44ff140a42f99a96e2fe07fd0a2c18f7234c9906a3b0c","first_computed_at":"2026-07-05T10:44:23.596759Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:44:23.596759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/bhysEg3T2wZMDEHyjYKC4p8HhYQLhGY61j52lrgfznxl0Q9XoghYlZFMwQyDweMSQPNRR+953CZUg3wAGOZDA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:44:23.597585Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.01739","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49ddb6f6e4b4a38f3dc2680e55c10a2fe2fb9456c87d0775dc6ba4b95b801f68","sha256:ee740c3a87e16a63541ec6366bf6236a35fb0aa0dbe5f9a6cf74bdbbc519c825"],"state_sha256":"b3f19d3dd09d32d262b9a1f37ea96eebc3b1f78dd789aa97bffcb017019c5852"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qrc1e2K/YZFHWsQlwl7nNeWR0ndIqTGyJzAFe5jruKXIRoJ6dk534wjPah46iIaD+qfYldw7cB86/B6GNpknCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T17:02:10.936628Z","bundle_sha256":"00b9d66dbed4fd231a373119a865dc613ec0f2b12b72b681dc188193edb81db9"}}