{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:6DU4OYCAO4IFHOOE3VYMTRBCUM","short_pith_number":"pith:6DU4OYCA","canonical_record":{"source":{"id":"1004.5151","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2010-04-28T21:24:05Z","cross_cats_sorted":["math.ST","stat.TH"],"title_canon_sha256":"c02c65148cd3038e6297e43f13f66318aa77ea179ebd903d60786edbcbeff0a2","abstract_canon_sha256":"e340a70fe009f84ab19e5669299ebd5f9465239ca1d852935ca84b2bbe92586a"},"schema_version":"1.0"},"canonical_sha256":"f0e9c76040771053b9c4dd70c9c422a32f29573e4057a90ed52766e457decb3d","source":{"kind":"arxiv","id":"1004.5151","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.5151","created_at":"2026-05-18T02:24:15Z"},{"alias_kind":"arxiv_version","alias_value":"1004.5151v4","created_at":"2026-05-18T02:24:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.5151","created_at":"2026-05-18T02:24:15Z"},{"alias_kind":"pith_short_12","alias_value":"6DU4OYCAO4IF","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"6DU4OYCAO4IFHOOE","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"6DU4OYCA","created_at":"2026-05-18T12:26:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:6DU4OYCAO4IFHOOE3VYMTRBCUM","target":"record","payload":{"canonical_record":{"source":{"id":"1004.5151","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2010-04-28T21:24:05Z","cross_cats_sorted":["math.ST","stat.TH"],"title_canon_sha256":"c02c65148cd3038e6297e43f13f66318aa77ea179ebd903d60786edbcbeff0a2","abstract_canon_sha256":"e340a70fe009f84ab19e5669299ebd5f9465239ca1d852935ca84b2bbe92586a"},"schema_version":"1.0"},"canonical_sha256":"f0e9c76040771053b9c4dd70c9c422a32f29573e4057a90ed52766e457decb3d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:24:15.234365Z","signature_b64":"qnI7G8i6Gw7BFOE379wBXPQaMlHhHkNuS2YRK04TyoL5Jz8hhcMFVzp1SUwztZBuMzJpPxmF2qbKlwoWwyG0DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f0e9c76040771053b9c4dd70c9c422a32f29573e4057a90ed52766e457decb3d","last_reissued_at":"2026-05-18T02:24:15.233761Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:24:15.233761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1004.5151","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:24:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qn9+4vL2xS5yDZkyh673bDTQ8S4z/vCTqqwMEY0NSpXRQjwVc1fNztS3sxv0yXcCpJIzue2hqXXwDTQ/oZe4Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:05:07.395760Z"},"content_sha256":"57461eb752a09d84f76593bbd45bf1e9b344ddbb6d4723a3972465e608378b2f","schema_version":"1.0","event_id":"sha256:57461eb752a09d84f76593bbd45bf1e9b344ddbb6d4723a3972465e608378b2f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:6DU4OYCAO4IFHOOE3VYMTRBCUM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Weak Recovery Conditions from Graph Partitioning Bounds and Order Statistics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.ST","stat.TH"],"primary_cat":"math.OC","authors_text":"Alexandre d'Aspremont, Noureddine El Karoui","submitted_at":"2010-04-28T21:24:05Z","abstract_excerpt":"We study a weaker formulation of the nullspace property which guarantees recovery of sparse signals from linear measurements by l_1 minimization. We require this condition to hold only with high probability, given a distribution on the nullspace of the coding matrix A. Under some assumptions on the distribution of the reconstruction error, we show that testing these weak conditions means bounding the optimal value of two classical graph partitioning problems: the k-Dense-Subgraph and MaxCut problems. Both problems admit efficient, relatively tight relaxations and we use a randomization argumen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.5151","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T02:24:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oRwBbFPir80JzovfIaPhuf+lS97NHjVolW9qzDDbfQ6J+7DJGn2dTpnjTS1+IvuaFaXO9u3lLzF8PVYjHY+jDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:05:07.396473Z"},"content_sha256":"888f9ac27de503126de0fbf0afa62b7cf23d17c660e47fe6a3c59cb191af63c4","schema_version":"1.0","event_id":"sha256:888f9ac27de503126de0fbf0afa62b7cf23d17c660e47fe6a3c59cb191af63c4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6DU4OYCAO4IFHOOE3VYMTRBCUM/bundle.json","state_url":"https://pith.science/pith/6DU4OYCAO4IFHOOE3VYMTRBCUM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6DU4OYCAO4IFHOOE3VYMTRBCUM/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":"2026-05-25T21:05:07Z","links":{"resolver":"https://pith.science/pith/6DU4OYCAO4IFHOOE3VYMTRBCUM","bundle":"https://pith.science/pith/6DU4OYCAO4IFHOOE3VYMTRBCUM/bundle.json","state":"https://pith.science/pith/6DU4OYCAO4IFHOOE3VYMTRBCUM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6DU4OYCAO4IFHOOE3VYMTRBCUM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:6DU4OYCAO4IFHOOE3VYMTRBCUM","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":"e340a70fe009f84ab19e5669299ebd5f9465239ca1d852935ca84b2bbe92586a","cross_cats_sorted":["math.ST","stat.TH"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2010-04-28T21:24:05Z","title_canon_sha256":"c02c65148cd3038e6297e43f13f66318aa77ea179ebd903d60786edbcbeff0a2"},"schema_version":"1.0","source":{"id":"1004.5151","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.5151","created_at":"2026-05-18T02:24:15Z"},{"alias_kind":"arxiv_version","alias_value":"1004.5151v4","created_at":"2026-05-18T02:24:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.5151","created_at":"2026-05-18T02:24:15Z"},{"alias_kind":"pith_short_12","alias_value":"6DU4OYCAO4IF","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"6DU4OYCAO4IFHOOE","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"6DU4OYCA","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:888f9ac27de503126de0fbf0afa62b7cf23d17c660e47fe6a3c59cb191af63c4","target":"graph","created_at":"2026-05-18T02:24:15Z","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"},"paper":{"abstract_excerpt":"We study a weaker formulation of the nullspace property which guarantees recovery of sparse signals from linear measurements by l_1 minimization. We require this condition to hold only with high probability, given a distribution on the nullspace of the coding matrix A. Under some assumptions on the distribution of the reconstruction error, we show that testing these weak conditions means bounding the optimal value of two classical graph partitioning problems: the k-Dense-Subgraph and MaxCut problems. Both problems admit efficient, relatively tight relaxations and we use a randomization argumen","authors_text":"Alexandre d'Aspremont, Noureddine El Karoui","cross_cats":["math.ST","stat.TH"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2010-04-28T21:24:05Z","title":"Weak Recovery Conditions from Graph Partitioning Bounds and Order Statistics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.5151","kind":"arxiv","version":4},"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":"sha256:57461eb752a09d84f76593bbd45bf1e9b344ddbb6d4723a3972465e608378b2f","target":"record","created_at":"2026-05-18T02:24:15Z","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":"e340a70fe009f84ab19e5669299ebd5f9465239ca1d852935ca84b2bbe92586a","cross_cats_sorted":["math.ST","stat.TH"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2010-04-28T21:24:05Z","title_canon_sha256":"c02c65148cd3038e6297e43f13f66318aa77ea179ebd903d60786edbcbeff0a2"},"schema_version":"1.0","source":{"id":"1004.5151","kind":"arxiv","version":4}},"canonical_sha256":"f0e9c76040771053b9c4dd70c9c422a32f29573e4057a90ed52766e457decb3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f0e9c76040771053b9c4dd70c9c422a32f29573e4057a90ed52766e457decb3d","first_computed_at":"2026-05-18T02:24:15.233761Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:24:15.233761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qnI7G8i6Gw7BFOE379wBXPQaMlHhHkNuS2YRK04TyoL5Jz8hhcMFVzp1SUwztZBuMzJpPxmF2qbKlwoWwyG0DA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:24:15.234365Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.5151","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57461eb752a09d84f76593bbd45bf1e9b344ddbb6d4723a3972465e608378b2f","sha256:888f9ac27de503126de0fbf0afa62b7cf23d17c660e47fe6a3c59cb191af63c4"],"state_sha256":"24612be0f934bd85d29259888bbd8a59ebf2c5a046e6667b1749b467dac0d529"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9xgHsox8s4FKxKZ7xKweJxQlDEbM3iOiuw4PX8fg2NxLn944suxgNef0JYsbnkiCxfiUXOY6vZYbEQyjEZXrAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:05:07.400651Z","bundle_sha256":"8664350a32006979e9756c41d9ea681875f13b9caee1088d8dab87aefd78a440"}}