{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:NX3ALU5XEZBGSJ4FJVMSWONHCH","short_pith_number":"pith:NX3ALU5X","canonical_record":{"source":{"id":"2402.13156","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2024-02-20T17:16:22Z","cross_cats_sorted":[],"title_canon_sha256":"6d7ee8fd0da19ea85eccfe178dce1fe2b97bd5bdf484ac9db4e13745afb32b23","abstract_canon_sha256":"f93e81c6bcb61ea7d93616fb43b72468798a19ffb850f715fd65c8bd81dd616c"},"schema_version":"1.0"},"canonical_sha256":"6df605d3b726426927854d592b39a711d965fbed289ce208baabebc990a40865","source":{"kind":"arxiv","id":"2402.13156","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.13156","created_at":"2026-07-05T07:47:47Z"},{"alias_kind":"arxiv_version","alias_value":"2402.13156v2","created_at":"2026-07-05T07:47:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.13156","created_at":"2026-07-05T07:47:47Z"},{"alias_kind":"pith_short_12","alias_value":"NX3ALU5XEZBG","created_at":"2026-07-05T07:47:47Z"},{"alias_kind":"pith_short_16","alias_value":"NX3ALU5XEZBGSJ4F","created_at":"2026-07-05T07:47:47Z"},{"alias_kind":"pith_short_8","alias_value":"NX3ALU5X","created_at":"2026-07-05T07:47:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:NX3ALU5XEZBGSJ4FJVMSWONHCH","target":"record","payload":{"canonical_record":{"source":{"id":"2402.13156","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2024-02-20T17:16:22Z","cross_cats_sorted":[],"title_canon_sha256":"6d7ee8fd0da19ea85eccfe178dce1fe2b97bd5bdf484ac9db4e13745afb32b23","abstract_canon_sha256":"f93e81c6bcb61ea7d93616fb43b72468798a19ffb850f715fd65c8bd81dd616c"},"schema_version":"1.0"},"canonical_sha256":"6df605d3b726426927854d592b39a711d965fbed289ce208baabebc990a40865","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:47:47.196303Z","signature_b64":"hY9kc/uGIDoRnAWyriFYoTU6Fp8VGnBsCHDCMRbj6rRGVQInBDCVsBMmarEs/9dDXsGX0pvemMbawylDHyv/Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6df605d3b726426927854d592b39a711d965fbed289ce208baabebc990a40865","last_reissued_at":"2026-07-05T07:47:47.195788Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:47:47.195788Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.13156","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":"2026-07-05T07:47:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lRbckmzl8JlmIlDpj/oxAUm0fpgXTeczBZ4vcclwFX3SsPoWEZZeNHGRa0hduIEpNIbIuml9xEgltULlsxCaCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T17:41:49.008566Z"},"content_sha256":"b30725a1cb34d9ec32c286ac569789e02ed2348c36cef31eb6c8a03f649b0e49","schema_version":"1.0","event_id":"sha256:b30725a1cb34d9ec32c286ac569789e02ed2348c36cef31eb6c8a03f649b0e49"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:NX3ALU5XEZBGSJ4FJVMSWONHCH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Regret-Minimizing Contracts: Agency Under Uncertainty","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.GT","authors_text":"Alberto Marchesi, Martino Bernasconi, Matteo Castiglioni","submitted_at":"2024-02-20T17:16:22Z","abstract_excerpt":"We study the fundamental problem of designing contracts in principal-agent problems under uncertainty. Previous works mostly addressed Bayesian settings in which principal's uncertainty is modeled as a probability distribution over agent's types. In this paper, we study a setting in which the principal has no distributional information about agent's type. In particular, in our setting, the principal only knows some uncertainty set defining possible agent's action costs. Thus, the principal takes a robust (adversarial) approach by trying to design contracts which minimize the (additive) regret:"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.13156","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/2402.13156/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":"2026-07-05T07:47:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jYOaUDdvWO4IhgqXPw9C4syRzMvuTl5UOO7HRmZca3WsgVtmgpbBkehcmdavE/y10iV5uzaaxaYfWjof7DCFAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T17:41:49.009603Z"},"content_sha256":"6ee976ac718981b857782db87a0f89b017585bf1418ac9f156d3b3c96df97e35","schema_version":"1.0","event_id":"sha256:6ee976ac718981b857782db87a0f89b017585bf1418ac9f156d3b3c96df97e35"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NX3ALU5XEZBGSJ4FJVMSWONHCH/bundle.json","state_url":"https://pith.science/pith/NX3ALU5XEZBGSJ4FJVMSWONHCH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NX3ALU5XEZBGSJ4FJVMSWONHCH/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":"2026-08-05T17:41:49Z","links":{"resolver":"https://pith.science/pith/NX3ALU5XEZBGSJ4FJVMSWONHCH","bundle":"https://pith.science/pith/NX3ALU5XEZBGSJ4FJVMSWONHCH/bundle.json","state":"https://pith.science/pith/NX3ALU5XEZBGSJ4FJVMSWONHCH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NX3ALU5XEZBGSJ4FJVMSWONHCH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:NX3ALU5XEZBGSJ4FJVMSWONHCH","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":"f93e81c6bcb61ea7d93616fb43b72468798a19ffb850f715fd65c8bd81dd616c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2024-02-20T17:16:22Z","title_canon_sha256":"6d7ee8fd0da19ea85eccfe178dce1fe2b97bd5bdf484ac9db4e13745afb32b23"},"schema_version":"1.0","source":{"id":"2402.13156","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.13156","created_at":"2026-07-05T07:47:47Z"},{"alias_kind":"arxiv_version","alias_value":"2402.13156v2","created_at":"2026-07-05T07:47:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.13156","created_at":"2026-07-05T07:47:47Z"},{"alias_kind":"pith_short_12","alias_value":"NX3ALU5XEZBG","created_at":"2026-07-05T07:47:47Z"},{"alias_kind":"pith_short_16","alias_value":"NX3ALU5XEZBGSJ4F","created_at":"2026-07-05T07:47:47Z"},{"alias_kind":"pith_short_8","alias_value":"NX3ALU5X","created_at":"2026-07-05T07:47:47Z"}],"graph_snapshots":[{"event_id":"sha256:6ee976ac718981b857782db87a0f89b017585bf1418ac9f156d3b3c96df97e35","target":"graph","created_at":"2026-07-05T07:47:47Z","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/2402.13156/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the fundamental problem of designing contracts in principal-agent problems under uncertainty. Previous works mostly addressed Bayesian settings in which principal's uncertainty is modeled as a probability distribution over agent's types. In this paper, we study a setting in which the principal has no distributional information about agent's type. In particular, in our setting, the principal only knows some uncertainty set defining possible agent's action costs. Thus, the principal takes a robust (adversarial) approach by trying to design contracts which minimize the (additive) regret:","authors_text":"Alberto Marchesi, Martino Bernasconi, Matteo Castiglioni","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2024-02-20T17:16:22Z","title":"Regret-Minimizing Contracts: Agency Under Uncertainty"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.13156","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:b30725a1cb34d9ec32c286ac569789e02ed2348c36cef31eb6c8a03f649b0e49","target":"record","created_at":"2026-07-05T07:47:47Z","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":"f93e81c6bcb61ea7d93616fb43b72468798a19ffb850f715fd65c8bd81dd616c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2024-02-20T17:16:22Z","title_canon_sha256":"6d7ee8fd0da19ea85eccfe178dce1fe2b97bd5bdf484ac9db4e13745afb32b23"},"schema_version":"1.0","source":{"id":"2402.13156","kind":"arxiv","version":2}},"canonical_sha256":"6df605d3b726426927854d592b39a711d965fbed289ce208baabebc990a40865","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6df605d3b726426927854d592b39a711d965fbed289ce208baabebc990a40865","first_computed_at":"2026-07-05T07:47:47.195788Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:47:47.195788Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hY9kc/uGIDoRnAWyriFYoTU6Fp8VGnBsCHDCMRbj6rRGVQInBDCVsBMmarEs/9dDXsGX0pvemMbawylDHyv/Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:47:47.196303Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.13156","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b30725a1cb34d9ec32c286ac569789e02ed2348c36cef31eb6c8a03f649b0e49","sha256:6ee976ac718981b857782db87a0f89b017585bf1418ac9f156d3b3c96df97e35"],"state_sha256":"cc9640f13f42415debf3bb9874ac86ac7b6de0fdb380da6d8ae5c63da470c937"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r/pDp9rEhnojdd1WqZbb1E95CqUF8WhLlXwlz5wt6ymUvcQClhXoCPFZrkjSnaA5RNij5by4Zc0WvYE7886QAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T17:41:49.016164Z","bundle_sha256":"e099a802bbce2174e7685324ae30d58d654b9cea540059d306f19b7814bec8d6"}}