{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:DSR7DDU4RBTBBDUCX24DNIUYWL","short_pith_number":"pith:DSR7DDU4","canonical_record":{"source":{"id":"2606.01142","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GT","submitted_at":"2026-05-31T10:23:36Z","cross_cats_sorted":["cs.DS"],"title_canon_sha256":"68b9d7b85c1201ce1ca8361ae592ce2751f3cca807868654c73721814bf0c278","abstract_canon_sha256":"bae4cfdd16ba494a2e41e7172641433ed2318ab0d5dfd2dc712a05ee1656ee3c"},"schema_version":"1.0"},"canonical_sha256":"1ca3f18e9c8866108e82beb836a298b2c9f2705667693f4bd61a6e644c5bc06a","source":{"kind":"arxiv","id":"2606.01142","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.01142","created_at":"2026-06-02T02:04:24Z"},{"alias_kind":"arxiv_version","alias_value":"2606.01142v1","created_at":"2026-06-02T02:04:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.01142","created_at":"2026-06-02T02:04:24Z"},{"alias_kind":"pith_short_12","alias_value":"DSR7DDU4RBTB","created_at":"2026-06-02T02:04:24Z"},{"alias_kind":"pith_short_16","alias_value":"DSR7DDU4RBTBBDUC","created_at":"2026-06-02T02:04:24Z"},{"alias_kind":"pith_short_8","alias_value":"DSR7DDU4","created_at":"2026-06-02T02:04:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:DSR7DDU4RBTBBDUCX24DNIUYWL","target":"record","payload":{"canonical_record":{"source":{"id":"2606.01142","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GT","submitted_at":"2026-05-31T10:23:36Z","cross_cats_sorted":["cs.DS"],"title_canon_sha256":"68b9d7b85c1201ce1ca8361ae592ce2751f3cca807868654c73721814bf0c278","abstract_canon_sha256":"bae4cfdd16ba494a2e41e7172641433ed2318ab0d5dfd2dc712a05ee1656ee3c"},"schema_version":"1.0"},"canonical_sha256":"1ca3f18e9c8866108e82beb836a298b2c9f2705667693f4bd61a6e644c5bc06a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T02:04:24.734399Z","signature_b64":"pu6efZg3yg3VCFb7adMTCP32LuFhzpcemzT4FQndlrF8gA8KBhoCvnDMrvjatnRUNX7hAT/+83PmlILKqD46Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ca3f18e9c8866108e82beb836a298b2c9f2705667693f4bd61a6e644c5bc06a","last_reissued_at":"2026-06-02T02:04:24.733954Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T02:04:24.733954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.01142","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":"2026-06-02T02:04:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b8HdxCL2lyBjttTUQZiHdi0Fr+6PAdXkTybBahMrdqONtfZwmMCrYfAOxtaAPoOoAaHKCbzp25T9yxwWC27cAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T09:09:41.723979Z"},"content_sha256":"b5dd9e1c2aae0509f9ec0c3eea3a5add2de2bd85b72d8d16928f74304d574c70","schema_version":"1.0","event_id":"sha256:b5dd9e1c2aae0509f9ec0c3eea3a5add2de2bd85b72d8d16928f74304d574c70"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:DSR7DDU4RBTBBDUCX24DNIUYWL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Repeated Descent: A Framework for Online Budget-Feasible Auctions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.DS"],"primary_cat":"cs.GT","authors_text":"Andreas Charalampopoulos, Dimitris Fotakis, Thanos Tolias","submitted_at":"2026-05-31T10:23:36Z","abstract_excerpt":"We study budget feasible procurement auctions, in which $n$ agents, each with a privately held service cost, offer their services to an employer. The employer seeks to maximize a public submodular valuation function over the set of hired agents, while facing a hard budget constraint. We consider an online posted-price setting, in which agents arrive in a uniformly random order (a.k.a. \\emph{secretary arrivals}) and the employer must make irrevocable take-it-or-leave-it offers upon their arrival. The employer does not get any feedback about the agent service costs other than whether they accept"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.01142","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/2606.01142/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":"2026-06-02T02:04:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+kscyZFXGql8oZtXQQEG3MP/ETFraA9jqvP5IYLPaDUPTvHMI9WITE9uGZoXBRGBEtvsooQsMIckgrLJ66ygAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T09:09:41.724497Z"},"content_sha256":"78e8c1c02b2f8765e0d9d4523f75909a8fd9e4fbcf3bb5fa2ad00bbfcc583a49","schema_version":"1.0","event_id":"sha256:78e8c1c02b2f8765e0d9d4523f75909a8fd9e4fbcf3bb5fa2ad00bbfcc583a49"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DSR7DDU4RBTBBDUCX24DNIUYWL/bundle.json","state_url":"https://pith.science/pith/DSR7DDU4RBTBBDUCX24DNIUYWL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DSR7DDU4RBTBBDUCX24DNIUYWL/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":"2026-06-05T09:09:41Z","links":{"resolver":"https://pith.science/pith/DSR7DDU4RBTBBDUCX24DNIUYWL","bundle":"https://pith.science/pith/DSR7DDU4RBTBBDUCX24DNIUYWL/bundle.json","state":"https://pith.science/pith/DSR7DDU4RBTBBDUCX24DNIUYWL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DSR7DDU4RBTBBDUCX24DNIUYWL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:DSR7DDU4RBTBBDUCX24DNIUYWL","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":"bae4cfdd16ba494a2e41e7172641433ed2318ab0d5dfd2dc712a05ee1656ee3c","cross_cats_sorted":["cs.DS"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GT","submitted_at":"2026-05-31T10:23:36Z","title_canon_sha256":"68b9d7b85c1201ce1ca8361ae592ce2751f3cca807868654c73721814bf0c278"},"schema_version":"1.0","source":{"id":"2606.01142","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.01142","created_at":"2026-06-02T02:04:24Z"},{"alias_kind":"arxiv_version","alias_value":"2606.01142v1","created_at":"2026-06-02T02:04:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.01142","created_at":"2026-06-02T02:04:24Z"},{"alias_kind":"pith_short_12","alias_value":"DSR7DDU4RBTB","created_at":"2026-06-02T02:04:24Z"},{"alias_kind":"pith_short_16","alias_value":"DSR7DDU4RBTBBDUC","created_at":"2026-06-02T02:04:24Z"},{"alias_kind":"pith_short_8","alias_value":"DSR7DDU4","created_at":"2026-06-02T02:04:24Z"}],"graph_snapshots":[{"event_id":"sha256:78e8c1c02b2f8765e0d9d4523f75909a8fd9e4fbcf3bb5fa2ad00bbfcc583a49","target":"graph","created_at":"2026-06-02T02:04:24Z","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/2606.01142/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study budget feasible procurement auctions, in which $n$ agents, each with a privately held service cost, offer their services to an employer. The employer seeks to maximize a public submodular valuation function over the set of hired agents, while facing a hard budget constraint. We consider an online posted-price setting, in which agents arrive in a uniformly random order (a.k.a. \\emph{secretary arrivals}) and the employer must make irrevocable take-it-or-leave-it offers upon their arrival. The employer does not get any feedback about the agent service costs other than whether they accept","authors_text":"Andreas Charalampopoulos, Dimitris Fotakis, Thanos Tolias","cross_cats":["cs.DS"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GT","submitted_at":"2026-05-31T10:23:36Z","title":"Repeated Descent: A Framework for Online Budget-Feasible Auctions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.01142","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:b5dd9e1c2aae0509f9ec0c3eea3a5add2de2bd85b72d8d16928f74304d574c70","target":"record","created_at":"2026-06-02T02:04:24Z","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":"bae4cfdd16ba494a2e41e7172641433ed2318ab0d5dfd2dc712a05ee1656ee3c","cross_cats_sorted":["cs.DS"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GT","submitted_at":"2026-05-31T10:23:36Z","title_canon_sha256":"68b9d7b85c1201ce1ca8361ae592ce2751f3cca807868654c73721814bf0c278"},"schema_version":"1.0","source":{"id":"2606.01142","kind":"arxiv","version":1}},"canonical_sha256":"1ca3f18e9c8866108e82beb836a298b2c9f2705667693f4bd61a6e644c5bc06a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ca3f18e9c8866108e82beb836a298b2c9f2705667693f4bd61a6e644c5bc06a","first_computed_at":"2026-06-02T02:04:24.733954Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-02T02:04:24.733954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pu6efZg3yg3VCFb7adMTCP32LuFhzpcemzT4FQndlrF8gA8KBhoCvnDMrvjatnRUNX7hAT/+83PmlILKqD46Ag==","signature_status":"signed_v1","signed_at":"2026-06-02T02:04:24.734399Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.01142","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b5dd9e1c2aae0509f9ec0c3eea3a5add2de2bd85b72d8d16928f74304d574c70","sha256:78e8c1c02b2f8765e0d9d4523f75909a8fd9e4fbcf3bb5fa2ad00bbfcc583a49"],"state_sha256":"4a41979c299eb1d79e205ad4573e8fd4e741b06370a318966c832be9f90eb17c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kTpJiilxQxu76NY4SKd4o6HR4cFtUeuJeFCh+36CMKUTVDjR5ksK/iQ/AAk+/7mMKMD+KYCrHOYtBSbGU9PLCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T09:09:41.727312Z","bundle_sha256":"a4b45ac12fe9c20125b4d51865884a1d6c8fa8d89b69e541d88cbf13d9d3f30f"}}