{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:6O6LHDM3N4EHAAMZ7QBDQGHHI4","short_pith_number":"pith:6O6LHDM3","canonical_record":{"source":{"id":"2006.10039","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-06-17T17:58:10Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"ac26a0548ddde8f6fd95771ab0c807a048959f03bb01d6f1c69b83354ef34035","abstract_canon_sha256":"117b99e7ea7da0a626ad7221c445c9a067b01a7d97cccc57d7fa502bb4e35acd"},"schema_version":"1.0"},"canonical_sha256":"f3bcb38d9b6f08700199fc023818e747348fc7dff6d83f75d71f6a4f0edb1a29","source":{"kind":"arxiv","id":"2006.10039","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.10039","created_at":"2026-07-05T01:11:07Z"},{"alias_kind":"arxiv_version","alias_value":"2006.10039v1","created_at":"2026-07-05T01:11:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.10039","created_at":"2026-07-05T01:11:07Z"},{"alias_kind":"pith_short_12","alias_value":"6O6LHDM3N4EH","created_at":"2026-07-05T01:11:07Z"},{"alias_kind":"pith_short_16","alias_value":"6O6LHDM3N4EHAAMZ","created_at":"2026-07-05T01:11:07Z"},{"alias_kind":"pith_short_8","alias_value":"6O6LHDM3","created_at":"2026-07-05T01:11:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:6O6LHDM3N4EHAAMZ7QBDQGHHI4","target":"record","payload":{"canonical_record":{"source":{"id":"2006.10039","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-06-17T17:58:10Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"ac26a0548ddde8f6fd95771ab0c807a048959f03bb01d6f1c69b83354ef34035","abstract_canon_sha256":"117b99e7ea7da0a626ad7221c445c9a067b01a7d97cccc57d7fa502bb4e35acd"},"schema_version":"1.0"},"canonical_sha256":"f3bcb38d9b6f08700199fc023818e747348fc7dff6d83f75d71f6a4f0edb1a29","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:11:07.551221Z","signature_b64":"VVcTwhuvGwUYBogZBe1efcUqDQvuyITBO/l+frsSqoAckEQRis7GHSos9ZGxhvv2p06cM2jrgurJb19MVRxiAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3bcb38d9b6f08700199fc023818e747348fc7dff6d83f75d71f6a4f0edb1a29","last_reissued_at":"2026-07-05T01:11:07.550760Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:11:07.550760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.10039","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":"2026-07-05T01:11:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zSHeoDCFjgI/W+jEjJ13yGLQsT6yC2VfHQMXSZZtM7BtpJlDZ91uwBMD6hCjwiwVKrRYu0rg4LGDGxmOtCiDBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:35:23.717510Z"},"content_sha256":"f6e41e6b00e1d3be020852e096e0576c3fe71af1ecd327c39ed13a3ab533b94b","schema_version":"1.0","event_id":"sha256:f6e41e6b00e1d3be020852e096e0576c3fe71af1ecd327c39ed13a3ab533b94b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:6O6LHDM3N4EHAAMZ7QBDQGHHI4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"LSD-C: Linearly Separable Deep Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.CV","authors_text":"Andrea Vedaldi, Andrew Zisserman, Kai Han, Sebastien Ehrhardt, Sylvestre-Alvise Rebuffi","submitted_at":"2020-06-17T17:58:10Z","abstract_excerpt":"We present LSD-C, a novel method to identify clusters in an unlabeled dataset. Our algorithm first establishes pairwise connections in the feature space between the samples of the minibatch based on a similarity metric. Then it regroups in clusters the connected samples and enforces a linear separation between clusters. This is achieved by using the pairwise connections as targets together with a binary cross-entropy loss on the predictions that the associated pairs of samples belong to the same cluster. This way, the feature representation of the network will evolve such that similar samples "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.10039","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/2006.10039/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":"2026-07-05T01:11:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AOABUGuoICj2xqIeGjXJe2zvRBIuxd9WCp0A0xZHV3AtLXlUjWnlUpT7pg3xqzQK0r2N5321jzuzgDsW4Qe/Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:35:23.718421Z"},"content_sha256":"3995788733ad18ae1c8a8d5473c982da891a1ffb7aadc14f2643a6160c1c0ae4","schema_version":"1.0","event_id":"sha256:3995788733ad18ae1c8a8d5473c982da891a1ffb7aadc14f2643a6160c1c0ae4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6O6LHDM3N4EHAAMZ7QBDQGHHI4/bundle.json","state_url":"https://pith.science/pith/6O6LHDM3N4EHAAMZ7QBDQGHHI4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6O6LHDM3N4EHAAMZ7QBDQGHHI4/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":"2026-08-05T10:35:23Z","links":{"resolver":"https://pith.science/pith/6O6LHDM3N4EHAAMZ7QBDQGHHI4","bundle":"https://pith.science/pith/6O6LHDM3N4EHAAMZ7QBDQGHHI4/bundle.json","state":"https://pith.science/pith/6O6LHDM3N4EHAAMZ7QBDQGHHI4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6O6LHDM3N4EHAAMZ7QBDQGHHI4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:6O6LHDM3N4EHAAMZ7QBDQGHHI4","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":"117b99e7ea7da0a626ad7221c445c9a067b01a7d97cccc57d7fa502bb4e35acd","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-06-17T17:58:10Z","title_canon_sha256":"ac26a0548ddde8f6fd95771ab0c807a048959f03bb01d6f1c69b83354ef34035"},"schema_version":"1.0","source":{"id":"2006.10039","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.10039","created_at":"2026-07-05T01:11:07Z"},{"alias_kind":"arxiv_version","alias_value":"2006.10039v1","created_at":"2026-07-05T01:11:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.10039","created_at":"2026-07-05T01:11:07Z"},{"alias_kind":"pith_short_12","alias_value":"6O6LHDM3N4EH","created_at":"2026-07-05T01:11:07Z"},{"alias_kind":"pith_short_16","alias_value":"6O6LHDM3N4EHAAMZ","created_at":"2026-07-05T01:11:07Z"},{"alias_kind":"pith_short_8","alias_value":"6O6LHDM3","created_at":"2026-07-05T01:11:07Z"}],"graph_snapshots":[{"event_id":"sha256:3995788733ad18ae1c8a8d5473c982da891a1ffb7aadc14f2643a6160c1c0ae4","target":"graph","created_at":"2026-07-05T01:11:07Z","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/2006.10039/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present LSD-C, a novel method to identify clusters in an unlabeled dataset. Our algorithm first establishes pairwise connections in the feature space between the samples of the minibatch based on a similarity metric. Then it regroups in clusters the connected samples and enforces a linear separation between clusters. This is achieved by using the pairwise connections as targets together with a binary cross-entropy loss on the predictions that the associated pairs of samples belong to the same cluster. This way, the feature representation of the network will evolve such that similar samples ","authors_text":"Andrea Vedaldi, Andrew Zisserman, Kai Han, Sebastien Ehrhardt, Sylvestre-Alvise Rebuffi","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-06-17T17:58:10Z","title":"LSD-C: Linearly Separable Deep Clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.10039","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:f6e41e6b00e1d3be020852e096e0576c3fe71af1ecd327c39ed13a3ab533b94b","target":"record","created_at":"2026-07-05T01:11:07Z","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":"117b99e7ea7da0a626ad7221c445c9a067b01a7d97cccc57d7fa502bb4e35acd","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-06-17T17:58:10Z","title_canon_sha256":"ac26a0548ddde8f6fd95771ab0c807a048959f03bb01d6f1c69b83354ef34035"},"schema_version":"1.0","source":{"id":"2006.10039","kind":"arxiv","version":1}},"canonical_sha256":"f3bcb38d9b6f08700199fc023818e747348fc7dff6d83f75d71f6a4f0edb1a29","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3bcb38d9b6f08700199fc023818e747348fc7dff6d83f75d71f6a4f0edb1a29","first_computed_at":"2026-07-05T01:11:07.550760Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:11:07.550760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VVcTwhuvGwUYBogZBe1efcUqDQvuyITBO/l+frsSqoAckEQRis7GHSos9ZGxhvv2p06cM2jrgurJb19MVRxiAg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:11:07.551221Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.10039","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f6e41e6b00e1d3be020852e096e0576c3fe71af1ecd327c39ed13a3ab533b94b","sha256:3995788733ad18ae1c8a8d5473c982da891a1ffb7aadc14f2643a6160c1c0ae4"],"state_sha256":"7007b33c2351324985be7b0f8c0a0c684b6a8df0e92819f47a104d54a098f66f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hANtR/dJSntAQJcRYdh3hRlRaFwIHnXTNliPElvfseEyrA0owhk9vpmQitsFdXd2XLjLohKMUkRT+qHIi7RsCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T10:35:23.723685Z","bundle_sha256":"84507dd2ce8574a3df2663873f0dffba4b464520b54b095c3a1858a4064371b4"}}