{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:4AURZ5XLD2CDRNF4DFFFNV4FJE","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":"3c8c9cdb14d8f0694a8f6d065b84a1dec89bd8c85c50e15dbd6b1536aead900b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2012-04-02T20:56:53Z","title_canon_sha256":"5e7745e70046cf31a00e102838df528cc7e07faf6240a76fddb424e4a36c445c"},"schema_version":"1.0","source":{"id":"1204.0535","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.0535","created_at":"2026-05-18T03:58:39Z"},{"alias_kind":"arxiv_version","alias_value":"1204.0535v1","created_at":"2026-05-18T03:58:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.0535","created_at":"2026-05-18T03:58:39Z"},{"alias_kind":"pith_short_12","alias_value":"4AURZ5XLD2CD","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4AURZ5XLD2CDRNF4","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4AURZ5XL","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:41960b9a570e88daa4ea4da365000fc5a2de2ae258866d8a32249a14dc144f18","target":"graph","created_at":"2026-05-18T03:58:39Z","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":"Display advertisements on the web are sold via ad exchanges that use real time auction. We describe the challenges of designing a suitable auction, and present a simple auction called the Optional Second Price (OSP) auction that is currently used in Doubleclick Ad Exchange.","authors_text":"Noam Nisan, S. Muthukrishnan, Yishay Mansour","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2012-04-02T20:56:53Z","title":"Doubleclick Ad Exchange Auction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.0535","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:ed7511842e642029a19258fcccf792339d71823defedd57497912294eff50975","target":"record","created_at":"2026-05-18T03:58:39Z","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":"3c8c9cdb14d8f0694a8f6d065b84a1dec89bd8c85c50e15dbd6b1536aead900b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2012-04-02T20:56:53Z","title_canon_sha256":"5e7745e70046cf31a00e102838df528cc7e07faf6240a76fddb424e4a36c445c"},"schema_version":"1.0","source":{"id":"1204.0535","kind":"arxiv","version":1}},"canonical_sha256":"e0291cf6eb1e8438b4bc194a56d785490b80b6b6315da6463f2c6f155d99a421","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e0291cf6eb1e8438b4bc194a56d785490b80b6b6315da6463f2c6f155d99a421","first_computed_at":"2026-05-18T03:58:39.178076Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:58:39.178076Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xQmUoM0jYYNRUgl5pUYcnhCbAuR+OW5IYLr6SgPhAsFZ7wC0jMSEK1Xn9v5kHqZU93v334M+65aPcFXHMT9fCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:58:39.178905Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.0535","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ed7511842e642029a19258fcccf792339d71823defedd57497912294eff50975","sha256:41960b9a570e88daa4ea4da365000fc5a2de2ae258866d8a32249a14dc144f18"],"state_sha256":"6828ef10280c2409428ca32f8616057fd3f67d82a36ae3e5c29519cb05bdbf71"}