{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:XB6POT3SUF4E2RSR55YLQOVHSX","short_pith_number":"pith:XB6POT3S","canonical_record":{"source":{"id":"2308.12031","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-08-23T09:44:12Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"1fec1363144a5bcf44c6228b1e57279d1cd381aeb479e1478718423d74c7415e","abstract_canon_sha256":"1559c061895787950b0ee4d11e71761074a969f8ed46fa99b9234798400a2b9b"},"schema_version":"1.0"},"canonical_sha256":"b87cf74f72a1784d4651ef70b83aa795e065c5453f9a707f01afc8ce53b780c0","source":{"kind":"arxiv","id":"2308.12031","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.12031","created_at":"2026-07-05T08:19:36Z"},{"alias_kind":"arxiv_version","alias_value":"2308.12031v1","created_at":"2026-07-05T08:19:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.12031","created_at":"2026-07-05T08:19:36Z"},{"alias_kind":"pith_short_12","alias_value":"XB6POT3SUF4E","created_at":"2026-07-05T08:19:36Z"},{"alias_kind":"pith_short_16","alias_value":"XB6POT3SUF4E2RSR","created_at":"2026-07-05T08:19:36Z"},{"alias_kind":"pith_short_8","alias_value":"XB6POT3S","created_at":"2026-07-05T08:19:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:XB6POT3SUF4E2RSR55YLQOVHSX","target":"record","payload":{"canonical_record":{"source":{"id":"2308.12031","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-08-23T09:44:12Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"1fec1363144a5bcf44c6228b1e57279d1cd381aeb479e1478718423d74c7415e","abstract_canon_sha256":"1559c061895787950b0ee4d11e71761074a969f8ed46fa99b9234798400a2b9b"},"schema_version":"1.0"},"canonical_sha256":"b87cf74f72a1784d4651ef70b83aa795e065c5453f9a707f01afc8ce53b780c0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:19:36.630355Z","signature_b64":"i8XSNgW9muke0+7Bjd7vyG5bi2yExlWPIvZjP0cHkcFRRAgARf6AyBEuzIaomB4qrD54K7ihmZD5VyeiRcYWBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b87cf74f72a1784d4651ef70b83aa795e065c5453f9a707f01afc8ce53b780c0","last_reissued_at":"2026-07-05T08:19:36.629772Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:19:36.629772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.12031","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":"2026-07-05T08:19:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TPno5qxyuhlEUdxncD7Sdt88qOTSDOdRc0SoLLtuty0RidWYlimv2kf8lTw0DmO31xN+qiFfFRELGRoVuSUPAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T16:08:19.461628Z"},"content_sha256":"f47024bd9db416c3ec446ba4a951ec6e79b859cf05a3b84bfb9ff041cd638bc7","schema_version":"1.0","event_id":"sha256:f47024bd9db416c3ec446ba4a951ec6e79b859cf05a3b84bfb9ff041cd638bc7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:XB6POT3SUF4E2RSR55YLQOVHSX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CACTUS: a Comprehensive Abstraction and Classification Tool for Uncovering Structures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.LG","authors_text":"Jose Sousa, Karol Capala, Luca Gherardini, Roger Woods, Varun Ravi Varma","submitted_at":"2023-08-23T09:44:12Z","abstract_excerpt":"The availability of large data sets is providing an impetus for driving current artificial intelligent developments. There are, however, challenges for developing solutions with small data sets due to practical and cost-effective deployment and the opacity of deep learning models. The Comprehensive Abstraction and Classification Tool for Uncovering Structures called CACTUS is presented for improved secure analytics by effectively employing explainable artificial intelligence. It provides additional support for categorical attributes, preserving their original meaning, optimising memory usage, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.12031","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/2308.12031/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":"2026-07-05T08:19:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N3xLxvpc/vbfViPOAmohyYDroBUiWPahjJBcIy8R237emIBU8NEQPGOvZjnALWwaQWUs2LYuGfzGhNxLOWsOAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T16:08:19.462508Z"},"content_sha256":"a86b1ff50151f77cb0bc92fcdadd2bcd82abecf2778b4d7a4d2ef35315c9536f","schema_version":"1.0","event_id":"sha256:a86b1ff50151f77cb0bc92fcdadd2bcd82abecf2778b4d7a4d2ef35315c9536f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XB6POT3SUF4E2RSR55YLQOVHSX/bundle.json","state_url":"https://pith.science/pith/XB6POT3SUF4E2RSR55YLQOVHSX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XB6POT3SUF4E2RSR55YLQOVHSX/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":"2026-08-19T16:08:19Z","links":{"resolver":"https://pith.science/pith/XB6POT3SUF4E2RSR55YLQOVHSX","bundle":"https://pith.science/pith/XB6POT3SUF4E2RSR55YLQOVHSX/bundle.json","state":"https://pith.science/pith/XB6POT3SUF4E2RSR55YLQOVHSX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XB6POT3SUF4E2RSR55YLQOVHSX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:XB6POT3SUF4E2RSR55YLQOVHSX","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":"1559c061895787950b0ee4d11e71761074a969f8ed46fa99b9234798400a2b9b","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-08-23T09:44:12Z","title_canon_sha256":"1fec1363144a5bcf44c6228b1e57279d1cd381aeb479e1478718423d74c7415e"},"schema_version":"1.0","source":{"id":"2308.12031","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.12031","created_at":"2026-07-05T08:19:36Z"},{"alias_kind":"arxiv_version","alias_value":"2308.12031v1","created_at":"2026-07-05T08:19:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.12031","created_at":"2026-07-05T08:19:36Z"},{"alias_kind":"pith_short_12","alias_value":"XB6POT3SUF4E","created_at":"2026-07-05T08:19:36Z"},{"alias_kind":"pith_short_16","alias_value":"XB6POT3SUF4E2RSR","created_at":"2026-07-05T08:19:36Z"},{"alias_kind":"pith_short_8","alias_value":"XB6POT3S","created_at":"2026-07-05T08:19:36Z"}],"graph_snapshots":[{"event_id":"sha256:a86b1ff50151f77cb0bc92fcdadd2bcd82abecf2778b4d7a4d2ef35315c9536f","target":"graph","created_at":"2026-07-05T08:19:36Z","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/2308.12031/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The availability of large data sets is providing an impetus for driving current artificial intelligent developments. There are, however, challenges for developing solutions with small data sets due to practical and cost-effective deployment and the opacity of deep learning models. The Comprehensive Abstraction and Classification Tool for Uncovering Structures called CACTUS is presented for improved secure analytics by effectively employing explainable artificial intelligence. It provides additional support for categorical attributes, preserving their original meaning, optimising memory usage, ","authors_text":"Jose Sousa, Karol Capala, Luca Gherardini, Roger Woods, Varun Ravi Varma","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-08-23T09:44:12Z","title":"CACTUS: a Comprehensive Abstraction and Classification Tool for Uncovering Structures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.12031","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:f47024bd9db416c3ec446ba4a951ec6e79b859cf05a3b84bfb9ff041cd638bc7","target":"record","created_at":"2026-07-05T08:19:36Z","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":"1559c061895787950b0ee4d11e71761074a969f8ed46fa99b9234798400a2b9b","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-08-23T09:44:12Z","title_canon_sha256":"1fec1363144a5bcf44c6228b1e57279d1cd381aeb479e1478718423d74c7415e"},"schema_version":"1.0","source":{"id":"2308.12031","kind":"arxiv","version":1}},"canonical_sha256":"b87cf74f72a1784d4651ef70b83aa795e065c5453f9a707f01afc8ce53b780c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b87cf74f72a1784d4651ef70b83aa795e065c5453f9a707f01afc8ce53b780c0","first_computed_at":"2026-07-05T08:19:36.629772Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:19:36.629772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i8XSNgW9muke0+7Bjd7vyG5bi2yExlWPIvZjP0cHkcFRRAgARf6AyBEuzIaomB4qrD54K7ihmZD5VyeiRcYWBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:19:36.630355Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.12031","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f47024bd9db416c3ec446ba4a951ec6e79b859cf05a3b84bfb9ff041cd638bc7","sha256:a86b1ff50151f77cb0bc92fcdadd2bcd82abecf2778b4d7a4d2ef35315c9536f"],"state_sha256":"5c7b6e747719f54faf3e38555ebd6052b040e9a3ac757364be7f917c073b4e9e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MlUbOBSLKOGEY0d4tKhtC6FaQgL72zhh94mTBA9qgF+K/oXpuY3lbCKuzr6n49nuJADt5Y7BU+owRFsrLqgbBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T16:08:19.467766Z","bundle_sha256":"89bc73927678a0b12e3e5b4a1d53c5fdfab6a53b8af7a1c3b68471df8994258b"}}