{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:BBKP6FZDOHACZBZCE3CTTHNFCO","short_pith_number":"pith:BBKP6FZD","canonical_record":{"source":{"id":"2411.18502","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ML","submitted_at":"2024-11-27T16:43:13Z","cross_cats_sorted":["cs.AI","cs.IR","cs.LG","stat.ME"],"title_canon_sha256":"da500d5b70124ed46f5b22eca5b36229ed3da9c2b0659c1d6a9b4919ede9afea","abstract_canon_sha256":"c7488a5dd121fe4fb7948af50c8fdb5624008545db6629193cc92bb7d501bb4d"},"schema_version":"1.0"},"canonical_sha256":"0854ff172371c02c872226c5399da51384c19ca2c1fcc744f6ca6b2c90da1bc5","source":{"kind":"arxiv","id":"2411.18502","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.18502","created_at":"2026-05-28T02:04:39Z"},{"alias_kind":"arxiv_version","alias_value":"2411.18502v2","created_at":"2026-05-28T02:04:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.18502","created_at":"2026-05-28T02:04:39Z"},{"alias_kind":"pith_short_12","alias_value":"BBKP6FZDOHAC","created_at":"2026-05-28T02:04:39Z"},{"alias_kind":"pith_short_16","alias_value":"BBKP6FZDOHACZBZC","created_at":"2026-05-28T02:04:39Z"},{"alias_kind":"pith_short_8","alias_value":"BBKP6FZD","created_at":"2026-05-28T02:04:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:BBKP6FZDOHACZBZCE3CTTHNFCO","target":"record","payload":{"canonical_record":{"source":{"id":"2411.18502","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ML","submitted_at":"2024-11-27T16:43:13Z","cross_cats_sorted":["cs.AI","cs.IR","cs.LG","stat.ME"],"title_canon_sha256":"da500d5b70124ed46f5b22eca5b36229ed3da9c2b0659c1d6a9b4919ede9afea","abstract_canon_sha256":"c7488a5dd121fe4fb7948af50c8fdb5624008545db6629193cc92bb7d501bb4d"},"schema_version":"1.0"},"canonical_sha256":"0854ff172371c02c872226c5399da51384c19ca2c1fcc744f6ca6b2c90da1bc5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-28T02:04:39.500948Z","signature_b64":"hfa/kVWAmdt7kM6v4Y5XSsvKpM6+ldVZV9r5pnrrGO75isel5emOs6iTsF/bwJpulp8eJa3Af69BvO0PwlPjDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0854ff172371c02c872226c5399da51384c19ca2c1fcc744f6ca6b2c90da1bc5","last_reissued_at":"2026-05-28T02:04:39.500304Z","signature_status":"signed_v1","first_computed_at":"2026-05-28T02:04:39.500304Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.18502","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":"2026-05-28T02:04:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IR6iHpcv0/2ldeNwQq2WEx7QZGhqOstjOkgD8IMunLLgtGNwYcP+/cd+x4qpluIFYhCmcuS/RGro2fd/kooQAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T23:23:00.046545Z"},"content_sha256":"e067d540b41955d5c9ed0c3db1e58b7ab333f3611312bc9bb25832811524632c","schema_version":"1.0","event_id":"sha256:e067d540b41955d5c9ed0c3db1e58b7ab333f3611312bc9bb25832811524632c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:BBKP6FZDOHACZBZCE3CTTHNFCO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Isometry pursuit","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI","cs.IR","cs.LG","stat.ME"],"primary_cat":"stat.ML","authors_text":"Marina Meila, Samson Koelle","submitted_at":"2024-11-27T16:43:13Z","abstract_excerpt":"Isometry pursuit is a convex algorithm for identifying orthonormal column-submatrices of wide matrices. It consists of a novel normalization method followed by multitask basis pursuit. Applied to Jacobians of putative coordinate functions, it helps identity isometric embeddings from within interpretable dictionaries. We provide theoretical and experimental results justifying this method. For problems involving coordinate selection and diversification, it offers a synergistic alternative to greedy and brute force search."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.18502","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/2411.18502/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":"2026-05-28T02:04:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EpFuoPSjeM9uHJpoYrgE46adTK+E9TdMSFHQTF4aZsyAX6qQvham2soYA9WkSDtXoeI+U+4bK77ARyANRh2TDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T23:23:00.047138Z"},"content_sha256":"9bac6faa53838d0d1d3369abec812a948aeac314d14811b02c1a1d70006a0e3e","schema_version":"1.0","event_id":"sha256:9bac6faa53838d0d1d3369abec812a948aeac314d14811b02c1a1d70006a0e3e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BBKP6FZDOHACZBZCE3CTTHNFCO/bundle.json","state_url":"https://pith.science/pith/BBKP6FZDOHACZBZCE3CTTHNFCO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BBKP6FZDOHACZBZCE3CTTHNFCO/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":"2026-06-02T23:23:00Z","links":{"resolver":"https://pith.science/pith/BBKP6FZDOHACZBZCE3CTTHNFCO","bundle":"https://pith.science/pith/BBKP6FZDOHACZBZCE3CTTHNFCO/bundle.json","state":"https://pith.science/pith/BBKP6FZDOHACZBZCE3CTTHNFCO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BBKP6FZDOHACZBZCE3CTTHNFCO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:BBKP6FZDOHACZBZCE3CTTHNFCO","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":"c7488a5dd121fe4fb7948af50c8fdb5624008545db6629193cc92bb7d501bb4d","cross_cats_sorted":["cs.AI","cs.IR","cs.LG","stat.ME"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ML","submitted_at":"2024-11-27T16:43:13Z","title_canon_sha256":"da500d5b70124ed46f5b22eca5b36229ed3da9c2b0659c1d6a9b4919ede9afea"},"schema_version":"1.0","source":{"id":"2411.18502","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.18502","created_at":"2026-05-28T02:04:39Z"},{"alias_kind":"arxiv_version","alias_value":"2411.18502v2","created_at":"2026-05-28T02:04:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.18502","created_at":"2026-05-28T02:04:39Z"},{"alias_kind":"pith_short_12","alias_value":"BBKP6FZDOHAC","created_at":"2026-05-28T02:04:39Z"},{"alias_kind":"pith_short_16","alias_value":"BBKP6FZDOHACZBZC","created_at":"2026-05-28T02:04:39Z"},{"alias_kind":"pith_short_8","alias_value":"BBKP6FZD","created_at":"2026-05-28T02:04:39Z"}],"graph_snapshots":[{"event_id":"sha256:9bac6faa53838d0d1d3369abec812a948aeac314d14811b02c1a1d70006a0e3e","target":"graph","created_at":"2026-05-28T02:04:39Z","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/2411.18502/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Isometry pursuit is a convex algorithm for identifying orthonormal column-submatrices of wide matrices. It consists of a novel normalization method followed by multitask basis pursuit. Applied to Jacobians of putative coordinate functions, it helps identity isometric embeddings from within interpretable dictionaries. We provide theoretical and experimental results justifying this method. For problems involving coordinate selection and diversification, it offers a synergistic alternative to greedy and brute force search.","authors_text":"Marina Meila, Samson Koelle","cross_cats":["cs.AI","cs.IR","cs.LG","stat.ME"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ML","submitted_at":"2024-11-27T16:43:13Z","title":"Isometry pursuit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.18502","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:e067d540b41955d5c9ed0c3db1e58b7ab333f3611312bc9bb25832811524632c","target":"record","created_at":"2026-05-28T02:04:39Z","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":"c7488a5dd121fe4fb7948af50c8fdb5624008545db6629193cc92bb7d501bb4d","cross_cats_sorted":["cs.AI","cs.IR","cs.LG","stat.ME"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ML","submitted_at":"2024-11-27T16:43:13Z","title_canon_sha256":"da500d5b70124ed46f5b22eca5b36229ed3da9c2b0659c1d6a9b4919ede9afea"},"schema_version":"1.0","source":{"id":"2411.18502","kind":"arxiv","version":2}},"canonical_sha256":"0854ff172371c02c872226c5399da51384c19ca2c1fcc744f6ca6b2c90da1bc5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0854ff172371c02c872226c5399da51384c19ca2c1fcc744f6ca6b2c90da1bc5","first_computed_at":"2026-05-28T02:04:39.500304Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-28T02:04:39.500304Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hfa/kVWAmdt7kM6v4Y5XSsvKpM6+ldVZV9r5pnrrGO75isel5emOs6iTsF/bwJpulp8eJa3Af69BvO0PwlPjDg==","signature_status":"signed_v1","signed_at":"2026-05-28T02:04:39.500948Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.18502","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e067d540b41955d5c9ed0c3db1e58b7ab333f3611312bc9bb25832811524632c","sha256:9bac6faa53838d0d1d3369abec812a948aeac314d14811b02c1a1d70006a0e3e"],"state_sha256":"21f61e1fa7b6a4150c51c67b4b063a2382bf523db6e860fff603fb07469b0ec3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DQ6u2/l9bFFIz+q0X77AD2ste3ZYzsjFSEG5/Psah8vajybJa7P3sAaPwqTpHJdPeTag0XTw51tY6gMjOf3QDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T23:23:00.050064Z","bundle_sha256":"886685111d788b32c7f47a7800abc43fb8d689b80719f1e222a9c7f27e43849e"}}