{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:4W7DCHYKPGBVSCK3WWGC5I7YAJ","short_pith_number":"pith:4W7DCHYK","canonical_record":{"source":{"id":"1001.0592","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2010-01-05T16:31:06Z","cross_cats_sorted":[],"title_canon_sha256":"1e10f547320db051d169533bb8c587341de949edc0ae240fd66f6128c95bf89d","abstract_canon_sha256":"44703f404209f83d303086523ca9d9f1709b8afb5ff1f1ffa1d4dfc106e1c43c"},"schema_version":"1.0"},"canonical_sha256":"e5be311f0a798359095bb58c2ea3f8027e3572bb6b3ac3fbf1c65ae6e96c1d24","source":{"kind":"arxiv","id":"1001.0592","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.0592","created_at":"2026-05-18T02:24:45Z"},{"alias_kind":"arxiv_version","alias_value":"1001.0592v3","created_at":"2026-05-18T02:24:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.0592","created_at":"2026-05-18T02:24:45Z"},{"alias_kind":"pith_short_12","alias_value":"4W7DCHYKPGBV","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"4W7DCHYKPGBVSCK3","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"4W7DCHYK","created_at":"2026-05-18T12:26:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:4W7DCHYKPGBVSCK3WWGC5I7YAJ","target":"record","payload":{"canonical_record":{"source":{"id":"1001.0592","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2010-01-05T16:31:06Z","cross_cats_sorted":[],"title_canon_sha256":"1e10f547320db051d169533bb8c587341de949edc0ae240fd66f6128c95bf89d","abstract_canon_sha256":"44703f404209f83d303086523ca9d9f1709b8afb5ff1f1ffa1d4dfc106e1c43c"},"schema_version":"1.0"},"canonical_sha256":"e5be311f0a798359095bb58c2ea3f8027e3572bb6b3ac3fbf1c65ae6e96c1d24","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:24:45.236409Z","signature_b64":"VkDgiI+w1Fkqf4qstImeaAcsKg/nyL25ho76ViYaI4Ih57EXm8WdS1g6Pi9e/Tz5994gPht3VjoD+TrOEmCODA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5be311f0a798359095bb58c2ea3f8027e3572bb6b3ac3fbf1c65ae6e96c1d24","last_reissued_at":"2026-05-18T02:24:45.235943Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:24:45.235943Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.0592","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":"2026-05-18T02:24:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S7/sjvowOIsdBweyQWFtiYIu04T3LLsAdb3AOmaZE609pU+h0tLY7XunhzcBJFTCth/SoQystiTOdnU3ysQVBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T07:25:17.253054Z"},"content_sha256":"cd51f3650cd7f01136d204c9191fdf65beca7b908de93897baec07c026e4ce0c","schema_version":"1.0","event_id":"sha256:cd51f3650cd7f01136d204c9191fdf65beca7b908de93897baec07c026e4ce0c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:4W7DCHYKPGBVSCK3WWGC5I7YAJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Information Asymmetries in Pay-Per-Bid Auctions: How Swoopo Makes Bank","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.GT","authors_text":"Georgios Zervas, John W. Byers, Michael Mitzenmacher","submitted_at":"2010-01-05T16:31:06Z","abstract_excerpt":"Innovative auction methods can be exploited to increase profits, with Shubik's famous \"dollar auction\" perhaps being the most widely known example. Recently, some mainstream e-commerce web sites have apparently achieved the same end on a much broader scale, by using \"pay-per-bid\" auctions to sell items, from video games to bars of gold.  In these auctions, bidders incur a cost for placing each bid in addition to (or sometimes in lieu of) the winner's final purchase cost.  Thus even when a winner's purchase cost is a small fraction of the item's intrinsic value, the auctioneer can still profit "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.0592","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":"2026-05-18T02:24:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uW11qIykQlzUoGf31nBvGu1KkltLnEHx1B+4C/yWjYrKI+K9235qo9ugjLj2/ymAUg6Fn5jWOEYjTpLlAhBQBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T07:25:17.253414Z"},"content_sha256":"6f742f4d50f5ade223609982c7f3f9ba6e1f0b620f1a31880aea716069d43c26","schema_version":"1.0","event_id":"sha256:6f742f4d50f5ade223609982c7f3f9ba6e1f0b620f1a31880aea716069d43c26"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4W7DCHYKPGBVSCK3WWGC5I7YAJ/bundle.json","state_url":"https://pith.science/pith/4W7DCHYKPGBVSCK3WWGC5I7YAJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4W7DCHYKPGBVSCK3WWGC5I7YAJ/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":"2026-06-20T07:25:17Z","links":{"resolver":"https://pith.science/pith/4W7DCHYKPGBVSCK3WWGC5I7YAJ","bundle":"https://pith.science/pith/4W7DCHYKPGBVSCK3WWGC5I7YAJ/bundle.json","state":"https://pith.science/pith/4W7DCHYKPGBVSCK3WWGC5I7YAJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4W7DCHYKPGBVSCK3WWGC5I7YAJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:4W7DCHYKPGBVSCK3WWGC5I7YAJ","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":"44703f404209f83d303086523ca9d9f1709b8afb5ff1f1ffa1d4dfc106e1c43c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2010-01-05T16:31:06Z","title_canon_sha256":"1e10f547320db051d169533bb8c587341de949edc0ae240fd66f6128c95bf89d"},"schema_version":"1.0","source":{"id":"1001.0592","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.0592","created_at":"2026-05-18T02:24:45Z"},{"alias_kind":"arxiv_version","alias_value":"1001.0592v3","created_at":"2026-05-18T02:24:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.0592","created_at":"2026-05-18T02:24:45Z"},{"alias_kind":"pith_short_12","alias_value":"4W7DCHYKPGBV","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"4W7DCHYKPGBVSCK3","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"4W7DCHYK","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:6f742f4d50f5ade223609982c7f3f9ba6e1f0b620f1a31880aea716069d43c26","target":"graph","created_at":"2026-05-18T02:24:45Z","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":"Innovative auction methods can be exploited to increase profits, with Shubik's famous \"dollar auction\" perhaps being the most widely known example. Recently, some mainstream e-commerce web sites have apparently achieved the same end on a much broader scale, by using \"pay-per-bid\" auctions to sell items, from video games to bars of gold.  In these auctions, bidders incur a cost for placing each bid in addition to (or sometimes in lieu of) the winner's final purchase cost.  Thus even when a winner's purchase cost is a small fraction of the item's intrinsic value, the auctioneer can still profit ","authors_text":"Georgios Zervas, John W. Byers, Michael Mitzenmacher","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2010-01-05T16:31:06Z","title":"Information Asymmetries in Pay-Per-Bid Auctions: How Swoopo Makes Bank"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.0592","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:cd51f3650cd7f01136d204c9191fdf65beca7b908de93897baec07c026e4ce0c","target":"record","created_at":"2026-05-18T02:24:45Z","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":"44703f404209f83d303086523ca9d9f1709b8afb5ff1f1ffa1d4dfc106e1c43c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2010-01-05T16:31:06Z","title_canon_sha256":"1e10f547320db051d169533bb8c587341de949edc0ae240fd66f6128c95bf89d"},"schema_version":"1.0","source":{"id":"1001.0592","kind":"arxiv","version":3}},"canonical_sha256":"e5be311f0a798359095bb58c2ea3f8027e3572bb6b3ac3fbf1c65ae6e96c1d24","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5be311f0a798359095bb58c2ea3f8027e3572bb6b3ac3fbf1c65ae6e96c1d24","first_computed_at":"2026-05-18T02:24:45.235943Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:24:45.235943Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VkDgiI+w1Fkqf4qstImeaAcsKg/nyL25ho76ViYaI4Ih57EXm8WdS1g6Pi9e/Tz5994gPht3VjoD+TrOEmCODA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:24:45.236409Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.0592","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd51f3650cd7f01136d204c9191fdf65beca7b908de93897baec07c026e4ce0c","sha256:6f742f4d50f5ade223609982c7f3f9ba6e1f0b620f1a31880aea716069d43c26"],"state_sha256":"34997d1ac84589ebfae12142e530acf16b5b2a0792fd83a0417741174a150d9c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pmA529OIrR5JVZH2IEJGKCNo2HDsIj2ofN23ijuBo29RdYawU9DgbIUgx8M9PxAG7sMoUiWrWvZB/KXBO6+nCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T07:25:17.255290Z","bundle_sha256":"e65279a2691c06ee8d7739bc03d710a1df7f0accb7bba7328e5c931fe9ff17cd"}}