{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:YCCFYJ5WVBKDZPSLH3YUIQHCKL","short_pith_number":"pith:YCCFYJ5W","canonical_record":{"source":{"id":"1805.00256","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2018-05-01T09:47:18Z","cross_cats_sorted":[],"title_canon_sha256":"e990283aab3e4e203addf5c125a740f9b3b37d3c8119c5440305d0377caf0d4e","abstract_canon_sha256":"2cd3546b9b27b336e0598cc0393c9f7b959e0073373a1cb31b0686d945d0b611"},"schema_version":"1.0"},"canonical_sha256":"c0845c27b6a8543cbe4b3ef14440e252f6165c1bc1543a584b55aa5067a05e6c","source":{"kind":"arxiv","id":"1805.00256","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.00256","created_at":"2026-05-17T23:50:28Z"},{"alias_kind":"arxiv_version","alias_value":"1805.00256v3","created_at":"2026-05-17T23:50:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.00256","created_at":"2026-05-17T23:50:28Z"},{"alias_kind":"pith_short_12","alias_value":"YCCFYJ5WVBKD","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YCCFYJ5WVBKDZPSL","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YCCFYJ5W","created_at":"2026-05-18T12:33:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:YCCFYJ5WVBKDZPSLH3YUIQHCKL","target":"record","payload":{"canonical_record":{"source":{"id":"1805.00256","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2018-05-01T09:47:18Z","cross_cats_sorted":[],"title_canon_sha256":"e990283aab3e4e203addf5c125a740f9b3b37d3c8119c5440305d0377caf0d4e","abstract_canon_sha256":"2cd3546b9b27b336e0598cc0393c9f7b959e0073373a1cb31b0686d945d0b611"},"schema_version":"1.0"},"canonical_sha256":"c0845c27b6a8543cbe4b3ef14440e252f6165c1bc1543a584b55aa5067a05e6c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:28.071748Z","signature_b64":"pHYPOpbpmzXWVRMNjUZ0DG2KF4RVfUE2pT1oJYoOUrwv/95BIWo2ig6WYteKjJjwBQUKo6E/En11WVjM9b0RAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c0845c27b6a8543cbe4b3ef14440e252f6165c1bc1543a584b55aa5067a05e6c","last_reissued_at":"2026-05-17T23:50:28.071199Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:28.071199Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.00256","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:50:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8gYaYhIYuSiSmi1EXp+oaysyZ5rWCdd2zxfeDrx4MUM8y+zvokqDpjqofYJ4E1wnV0wqiVD9G8PgifW3LRVzCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:48:30.908902Z"},"content_sha256":"132417600a84bafc2b0a171772bf2b18e92b3440981940a87b9537d5e6c5946f","schema_version":"1.0","event_id":"sha256:132417600a84bafc2b0a171772bf2b18e92b3440981940a87b9537d5e6c5946f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:YCCFYJ5WVBKDZPSLH3YUIQHCKL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Explicit shading strategies for repeated truthful auctions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.GT","authors_text":"Cl\\'ement Calauz\\`enes, Marc Abeille, Noureddine El Karoui, Thomas Nedelec, Vianney Perchet","submitted_at":"2018-05-01T09:47:18Z","abstract_excerpt":"With the increasing use of auctions in online advertising, there has been a large effort to study seller revenue maximization, following Myerson's seminal work, both theoretically and practically. We take the point of view of the buyer in classical auctions and ask the question of whether she has an incentive to shade her bid even in auctions that are reputed to be truthful, when aware of the revenue optimization mechanism.\n  We show that in auctions such as the Myerson auction or a VCG with reserve price set as the monopoly price, the buyer who is aware of this information has indeed an incen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.00256","kind":"arxiv","version":3},"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":"2026-05-17T23:50:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LAD6oFqv2i8avjYha17GzUJNmAyV7t5Ys6ax0WrT55E4wR3URVsrOhj9Q105CLlvBRjVpHz16z9dvs5QKk8hDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:48:30.909265Z"},"content_sha256":"ccce0573f11d0a8b2ae7de2915a63da6d3544315bdf399aa5d3edcb8d0ed6f85","schema_version":"1.0","event_id":"sha256:ccce0573f11d0a8b2ae7de2915a63da6d3544315bdf399aa5d3edcb8d0ed6f85"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YCCFYJ5WVBKDZPSLH3YUIQHCKL/bundle.json","state_url":"https://pith.science/pith/YCCFYJ5WVBKDZPSLH3YUIQHCKL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YCCFYJ5WVBKDZPSLH3YUIQHCKL/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":"2026-06-01T06:48:30Z","links":{"resolver":"https://pith.science/pith/YCCFYJ5WVBKDZPSLH3YUIQHCKL","bundle":"https://pith.science/pith/YCCFYJ5WVBKDZPSLH3YUIQHCKL/bundle.json","state":"https://pith.science/pith/YCCFYJ5WVBKDZPSLH3YUIQHCKL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YCCFYJ5WVBKDZPSLH3YUIQHCKL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:YCCFYJ5WVBKDZPSLH3YUIQHCKL","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":"2cd3546b9b27b336e0598cc0393c9f7b959e0073373a1cb31b0686d945d0b611","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2018-05-01T09:47:18Z","title_canon_sha256":"e990283aab3e4e203addf5c125a740f9b3b37d3c8119c5440305d0377caf0d4e"},"schema_version":"1.0","source":{"id":"1805.00256","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.00256","created_at":"2026-05-17T23:50:28Z"},{"alias_kind":"arxiv_version","alias_value":"1805.00256v3","created_at":"2026-05-17T23:50:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.00256","created_at":"2026-05-17T23:50:28Z"},{"alias_kind":"pith_short_12","alias_value":"YCCFYJ5WVBKD","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YCCFYJ5WVBKDZPSL","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YCCFYJ5W","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:ccce0573f11d0a8b2ae7de2915a63da6d3544315bdf399aa5d3edcb8d0ed6f85","target":"graph","created_at":"2026-05-17T23:50:28Z","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":"With the increasing use of auctions in online advertising, there has been a large effort to study seller revenue maximization, following Myerson's seminal work, both theoretically and practically. We take the point of view of the buyer in classical auctions and ask the question of whether she has an incentive to shade her bid even in auctions that are reputed to be truthful, when aware of the revenue optimization mechanism.\n  We show that in auctions such as the Myerson auction or a VCG with reserve price set as the monopoly price, the buyer who is aware of this information has indeed an incen","authors_text":"Cl\\'ement Calauz\\`enes, Marc Abeille, Noureddine El Karoui, Thomas Nedelec, Vianney Perchet","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2018-05-01T09:47:18Z","title":"Explicit shading strategies for repeated truthful auctions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.00256","kind":"arxiv","version":3},"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":"sha256:132417600a84bafc2b0a171772bf2b18e92b3440981940a87b9537d5e6c5946f","target":"record","created_at":"2026-05-17T23:50:28Z","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":"2cd3546b9b27b336e0598cc0393c9f7b959e0073373a1cb31b0686d945d0b611","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2018-05-01T09:47:18Z","title_canon_sha256":"e990283aab3e4e203addf5c125a740f9b3b37d3c8119c5440305d0377caf0d4e"},"schema_version":"1.0","source":{"id":"1805.00256","kind":"arxiv","version":3}},"canonical_sha256":"c0845c27b6a8543cbe4b3ef14440e252f6165c1bc1543a584b55aa5067a05e6c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c0845c27b6a8543cbe4b3ef14440e252f6165c1bc1543a584b55aa5067a05e6c","first_computed_at":"2026-05-17T23:50:28.071199Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:28.071199Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pHYPOpbpmzXWVRMNjUZ0DG2KF4RVfUE2pT1oJYoOUrwv/95BIWo2ig6WYteKjJjwBQUKo6E/En11WVjM9b0RAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:28.071748Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.00256","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:132417600a84bafc2b0a171772bf2b18e92b3440981940a87b9537d5e6c5946f","sha256:ccce0573f11d0a8b2ae7de2915a63da6d3544315bdf399aa5d3edcb8d0ed6f85"],"state_sha256":"032cf3403f191368754a8fa87cf3871258e329c6c0e15d04f5221f96d3509367"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gT2ySwYF4VNxy2duIs5HSMhCgQFNSrCy1Pb5h7roA2q/GQH7erPBsrZuYzypOJCGeLleIz/YZ3cOC33NhuuJDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T06:48:30.912274Z","bundle_sha256":"4bcdf88ea2e813b2ae345bd72d38c483dd00f8315466f774aa69f3ad0c1bc3ab"}}