{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:2KHN7INVRKA47WUTFOCMZHB5XG","short_pith_number":"pith:2KHN7INV","canonical_record":{"source":{"id":"1912.06058","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-12-12T16:06:47Z","cross_cats_sorted":["stat.ML"],"title_canon_sha256":"3cb9f97e9e342d3e0ab3bde55e1288394fba66ae3da206fb328952ccca9039dd","abstract_canon_sha256":"285966b3dcb4d60ad0ebcf7a8bbe54158888d61bd7515aa6c848026e59c4f729"},"schema_version":"1.0"},"canonical_sha256":"d28edfa1b58a81cfda932b84cc9c3db9a479f388ba47edcc7c30102e79daa651","source":{"kind":"arxiv","id":"1912.06058","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.06058","created_at":"2026-07-05T00:25:51Z"},{"alias_kind":"arxiv_version","alias_value":"1912.06058v1","created_at":"2026-07-05T00:25:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.06058","created_at":"2026-07-05T00:25:51Z"},{"alias_kind":"pith_short_12","alias_value":"2KHN7INVRKA4","created_at":"2026-07-05T00:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"2KHN7INVRKA47WUT","created_at":"2026-07-05T00:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"2KHN7INV","created_at":"2026-07-05T00:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:2KHN7INVRKA47WUTFOCMZHB5XG","target":"record","payload":{"canonical_record":{"source":{"id":"1912.06058","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-12-12T16:06:47Z","cross_cats_sorted":["stat.ML"],"title_canon_sha256":"3cb9f97e9e342d3e0ab3bde55e1288394fba66ae3da206fb328952ccca9039dd","abstract_canon_sha256":"285966b3dcb4d60ad0ebcf7a8bbe54158888d61bd7515aa6c848026e59c4f729"},"schema_version":"1.0"},"canonical_sha256":"d28edfa1b58a81cfda932b84cc9c3db9a479f388ba47edcc7c30102e79daa651","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:25:51.292922Z","signature_b64":"r9BrY4CcaOGeAHqsLXgG+55TMa8wPkJCyxIpDMzNUtjo0ugwBO6C5wsLZxEtfTo8ncSLn5dasu01eLZVqAsOCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d28edfa1b58a81cfda932b84cc9c3db9a479f388ba47edcc7c30102e79daa651","last_reissued_at":"2026-07-05T00:25:51.292446Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:25:51.292446Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.06058","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":"2026-07-05T00:25:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GzU/WyuzG6mEwYedR3JY1hrzUINnCK3yfvaDC7wwNloMqBWZbOz2xCEfvhSViy/J/cNAWFxRzAhZUmwqS5siAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T15:56:39.900470Z"},"content_sha256":"64c6785c34067e2e2831940474dada957c2af3d1c4850654a24fda1fe6218a8c","schema_version":"1.0","event_id":"sha256:64c6785c34067e2e2831940474dada957c2af3d1c4850654a24fda1fe6218a8c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:2KHN7INVRKA47WUTFOCMZHB5XG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coloring graph neural networks for node disambiguation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.ML"],"primary_cat":"cs.LG","authors_text":"Aladin Virmaux, George Dasoulas, Kevin Scaman, Ludovic Dos Santos","submitted_at":"2019-12-12T16:06:47Z","abstract_excerpt":"In this paper, we show that a simple coloring scheme can improve, both theoretically and empirically, the expressive power of Message Passing Neural Networks(MPNNs). More specifically, we introduce a graph neural network called Colored Local Iterative Procedure (CLIP) that uses colors to disambiguate identical node attributes, and show that this representation is a universal approximator of continuous functions on graphs with node attributes. Our method relies on separability , a key topological characteristic that allows to extend well-chosen neural networks into universal representations. Fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.06058","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/1912.06058/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":"2026-07-05T00:25:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"STJIoslimnsmkPTDz9iEot6XH+8YwBRNu4zSNuq6ZyadBibdhg5baM85OA/swyBXXcOyv/ArPtfLey8aF6D5BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T15:56:39.900855Z"},"content_sha256":"f53c6d7d741a445ad606a1957ab130c12bfafb0b94bfed743e0b21df7af1d4a9","schema_version":"1.0","event_id":"sha256:f53c6d7d741a445ad606a1957ab130c12bfafb0b94bfed743e0b21df7af1d4a9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2KHN7INVRKA47WUTFOCMZHB5XG/bundle.json","state_url":"https://pith.science/pith/2KHN7INVRKA47WUTFOCMZHB5XG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2KHN7INVRKA47WUTFOCMZHB5XG/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":"2026-07-08T15:56:39Z","links":{"resolver":"https://pith.science/pith/2KHN7INVRKA47WUTFOCMZHB5XG","bundle":"https://pith.science/pith/2KHN7INVRKA47WUTFOCMZHB5XG/bundle.json","state":"https://pith.science/pith/2KHN7INVRKA47WUTFOCMZHB5XG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2KHN7INVRKA47WUTFOCMZHB5XG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:2KHN7INVRKA47WUTFOCMZHB5XG","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":"285966b3dcb4d60ad0ebcf7a8bbe54158888d61bd7515aa6c848026e59c4f729","cross_cats_sorted":["stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-12-12T16:06:47Z","title_canon_sha256":"3cb9f97e9e342d3e0ab3bde55e1288394fba66ae3da206fb328952ccca9039dd"},"schema_version":"1.0","source":{"id":"1912.06058","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.06058","created_at":"2026-07-05T00:25:51Z"},{"alias_kind":"arxiv_version","alias_value":"1912.06058v1","created_at":"2026-07-05T00:25:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.06058","created_at":"2026-07-05T00:25:51Z"},{"alias_kind":"pith_short_12","alias_value":"2KHN7INVRKA4","created_at":"2026-07-05T00:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"2KHN7INVRKA47WUT","created_at":"2026-07-05T00:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"2KHN7INV","created_at":"2026-07-05T00:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:f53c6d7d741a445ad606a1957ab130c12bfafb0b94bfed743e0b21df7af1d4a9","target":"graph","created_at":"2026-07-05T00:25:51Z","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/1912.06058/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we show that a simple coloring scheme can improve, both theoretically and empirically, the expressive power of Message Passing Neural Networks(MPNNs). More specifically, we introduce a graph neural network called Colored Local Iterative Procedure (CLIP) that uses colors to disambiguate identical node attributes, and show that this representation is a universal approximator of continuous functions on graphs with node attributes. Our method relies on separability , a key topological characteristic that allows to extend well-chosen neural networks into universal representations. Fi","authors_text":"Aladin Virmaux, George Dasoulas, Kevin Scaman, Ludovic Dos Santos","cross_cats":["stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-12-12T16:06:47Z","title":"Coloring graph neural networks for node disambiguation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.06058","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":"sha256:64c6785c34067e2e2831940474dada957c2af3d1c4850654a24fda1fe6218a8c","target":"record","created_at":"2026-07-05T00:25:51Z","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":"285966b3dcb4d60ad0ebcf7a8bbe54158888d61bd7515aa6c848026e59c4f729","cross_cats_sorted":["stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-12-12T16:06:47Z","title_canon_sha256":"3cb9f97e9e342d3e0ab3bde55e1288394fba66ae3da206fb328952ccca9039dd"},"schema_version":"1.0","source":{"id":"1912.06058","kind":"arxiv","version":1}},"canonical_sha256":"d28edfa1b58a81cfda932b84cc9c3db9a479f388ba47edcc7c30102e79daa651","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d28edfa1b58a81cfda932b84cc9c3db9a479f388ba47edcc7c30102e79daa651","first_computed_at":"2026-07-05T00:25:51.292446Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:25:51.292446Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r9BrY4CcaOGeAHqsLXgG+55TMa8wPkJCyxIpDMzNUtjo0ugwBO6C5wsLZxEtfTo8ncSLn5dasu01eLZVqAsOCg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:25:51.292922Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.06058","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:64c6785c34067e2e2831940474dada957c2af3d1c4850654a24fda1fe6218a8c","sha256:f53c6d7d741a445ad606a1957ab130c12bfafb0b94bfed743e0b21df7af1d4a9"],"state_sha256":"c03307d72927460a72797fff2cd621da42fdd4b09e6bb470a0dcd2a20b67f8fb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tdnzCU+cs6eKX/uATcnCPUf4SiInGRqtZIvyPcREQh4uOSSU45yMPWr/BCDZ3RShZj7DWYAQE4MYd1SfUFHgBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T15:56:39.903077Z","bundle_sha256":"c02ebe5fb1f3f6b512708a81893ed16fba6ab8cdaab3f18e5ad5c1bd82d86591"}}