{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:CE7H23CMXHNR72XMFCTQDPBG6F","short_pith_number":"pith:CE7H23CM","canonical_record":{"source":{"id":"2511.04993","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2025-11-07T05:35:24Z","cross_cats_sorted":[],"title_canon_sha256":"869622ed71700583fcac76fa77040d02dbfb672b3f15e6407bc356ba2e863e22","abstract_canon_sha256":"0524b17bbd5337a36bda3bc704c5fb386f6907c102616ba516fdf71fb1178aec"},"schema_version":"1.0"},"canonical_sha256":"113e7d6c4cb9db1feaec28a701bc26f16eb20e725b4a3d9dba5a5578d42eed64","source":{"kind":"arxiv","id":"2511.04993","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.04993","created_at":"2026-05-20T01:06:06Z"},{"alias_kind":"arxiv_version","alias_value":"2511.04993v3","created_at":"2026-05-20T01:06:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.04993","created_at":"2026-05-20T01:06:06Z"},{"alias_kind":"pith_short_12","alias_value":"CE7H23CMXHNR","created_at":"2026-05-20T01:06:06Z"},{"alias_kind":"pith_short_16","alias_value":"CE7H23CMXHNR72XM","created_at":"2026-05-20T01:06:06Z"},{"alias_kind":"pith_short_8","alias_value":"CE7H23CM","created_at":"2026-05-20T01:06:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:CE7H23CMXHNR72XMFCTQDPBG6F","target":"record","payload":{"canonical_record":{"source":{"id":"2511.04993","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2025-11-07T05:35:24Z","cross_cats_sorted":[],"title_canon_sha256":"869622ed71700583fcac76fa77040d02dbfb672b3f15e6407bc356ba2e863e22","abstract_canon_sha256":"0524b17bbd5337a36bda3bc704c5fb386f6907c102616ba516fdf71fb1178aec"},"schema_version":"1.0"},"canonical_sha256":"113e7d6c4cb9db1feaec28a701bc26f16eb20e725b4a3d9dba5a5578d42eed64","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T01:06:06.865298Z","signature_b64":"NlZ/yL3U9WafnT7wEOC8J5XwscrY83f1zCTOlPIIE5jTHYnyQT7MhGNuXJm4yxhGg8qk/0RXCnYH0Plr9AhAAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"113e7d6c4cb9db1feaec28a701bc26f16eb20e725b4a3d9dba5a5578d42eed64","last_reissued_at":"2026-05-20T01:06:06.864409Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T01:06:06.864409Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2511.04993","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":"2026-05-20T01:06:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vc5HRPN55+boPFuoNaP+IxtywfNt9xHtJZWXpa7jD+Oko9c7jM1ZfArFFGq7ThBS7RgKhtJ1cZEHu1fNgYKpDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:06:17.210380Z"},"content_sha256":"6ebc57cc53b4604b2334784f11c6d6969b5aabc4166120bc936054b6ec47f51f","schema_version":"1.0","event_id":"sha256:6ebc57cc53b4604b2334784f11c6d6969b5aabc4166120bc936054b6ec47f51f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:CE7H23CMXHNR72XMFCTQDPBG6F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Coordination of Value-Maximizing Bidders","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.GT","authors_text":"Jiahao Zhang, Tao Lin, Yanru Guan, Zhe Feng","submitted_at":"2025-11-07T05:35:24Z","abstract_excerpt":"While the auto-bidding literature predominantly considers independent bidding, we investigate the coordination problem among multiple auto-bidders in online advertising platforms. Two motivating scenarios are: collaborative bidding among multiple bidders managed by a third-party bidding agent, and strategic bid selection for multiple ad campaigns managed by a single advertiser. We formalize this coordination problem as a theoretical model and investigate the coordination mechanism where only the highest-value bidder competes with outside bidders, while other coordinated bidders refrain from co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.04993","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2511.04993/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":"2026-05-20T01:06:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KFwDTjNXakvG6T+Qo3Wach/7Sc4xO8jS+/4NzEa4Y/l8gU73Y/mm9DvBVMGrCkJPMoyctQlDl3EBYPtvHczYCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:06:17.211162Z"},"content_sha256":"03d03a673f4c87ad0e31f5be0c983bb07ef76a749e0312fb69b2c4c90ce64f26","schema_version":"1.0","event_id":"sha256:03d03a673f4c87ad0e31f5be0c983bb07ef76a749e0312fb69b2c4c90ce64f26"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CE7H23CMXHNR72XMFCTQDPBG6F/bundle.json","state_url":"https://pith.science/pith/CE7H23CMXHNR72XMFCTQDPBG6F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CE7H23CMXHNR72XMFCTQDPBG6F/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":"2026-05-27T13:06:17Z","links":{"resolver":"https://pith.science/pith/CE7H23CMXHNR72XMFCTQDPBG6F","bundle":"https://pith.science/pith/CE7H23CMXHNR72XMFCTQDPBG6F/bundle.json","state":"https://pith.science/pith/CE7H23CMXHNR72XMFCTQDPBG6F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CE7H23CMXHNR72XMFCTQDPBG6F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:CE7H23CMXHNR72XMFCTQDPBG6F","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":"0524b17bbd5337a36bda3bc704c5fb386f6907c102616ba516fdf71fb1178aec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2025-11-07T05:35:24Z","title_canon_sha256":"869622ed71700583fcac76fa77040d02dbfb672b3f15e6407bc356ba2e863e22"},"schema_version":"1.0","source":{"id":"2511.04993","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.04993","created_at":"2026-05-20T01:06:06Z"},{"alias_kind":"arxiv_version","alias_value":"2511.04993v3","created_at":"2026-05-20T01:06:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.04993","created_at":"2026-05-20T01:06:06Z"},{"alias_kind":"pith_short_12","alias_value":"CE7H23CMXHNR","created_at":"2026-05-20T01:06:06Z"},{"alias_kind":"pith_short_16","alias_value":"CE7H23CMXHNR72XM","created_at":"2026-05-20T01:06:06Z"},{"alias_kind":"pith_short_8","alias_value":"CE7H23CM","created_at":"2026-05-20T01:06:06Z"}],"graph_snapshots":[{"event_id":"sha256:03d03a673f4c87ad0e31f5be0c983bb07ef76a749e0312fb69b2c4c90ce64f26","target":"graph","created_at":"2026-05-20T01:06:06Z","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/2511.04993/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"While the auto-bidding literature predominantly considers independent bidding, we investigate the coordination problem among multiple auto-bidders in online advertising platforms. Two motivating scenarios are: collaborative bidding among multiple bidders managed by a third-party bidding agent, and strategic bid selection for multiple ad campaigns managed by a single advertiser. We formalize this coordination problem as a theoretical model and investigate the coordination mechanism where only the highest-value bidder competes with outside bidders, while other coordinated bidders refrain from co","authors_text":"Jiahao Zhang, Tao Lin, Yanru Guan, Zhe Feng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2025-11-07T05:35:24Z","title":"On the Coordination of Value-Maximizing Bidders"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.04993","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":"sha256:6ebc57cc53b4604b2334784f11c6d6969b5aabc4166120bc936054b6ec47f51f","target":"record","created_at":"2026-05-20T01:06:06Z","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":"0524b17bbd5337a36bda3bc704c5fb386f6907c102616ba516fdf71fb1178aec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2025-11-07T05:35:24Z","title_canon_sha256":"869622ed71700583fcac76fa77040d02dbfb672b3f15e6407bc356ba2e863e22"},"schema_version":"1.0","source":{"id":"2511.04993","kind":"arxiv","version":3}},"canonical_sha256":"113e7d6c4cb9db1feaec28a701bc26f16eb20e725b4a3d9dba5a5578d42eed64","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"113e7d6c4cb9db1feaec28a701bc26f16eb20e725b4a3d9dba5a5578d42eed64","first_computed_at":"2026-05-20T01:06:06.864409Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T01:06:06.864409Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NlZ/yL3U9WafnT7wEOC8J5XwscrY83f1zCTOlPIIE5jTHYnyQT7MhGNuXJm4yxhGg8qk/0RXCnYH0Plr9AhAAg==","signature_status":"signed_v1","signed_at":"2026-05-20T01:06:06.865298Z","signed_message":"canonical_sha256_bytes"},"source_id":"2511.04993","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ebc57cc53b4604b2334784f11c6d6969b5aabc4166120bc936054b6ec47f51f","sha256:03d03a673f4c87ad0e31f5be0c983bb07ef76a749e0312fb69b2c4c90ce64f26"],"state_sha256":"a70a389c283a6b037a6f69c15de66e710601d2ff3a79fa8f6e489f60953e6098"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6ZMjltJ5i014BmWUbcDZf/gpQoVTpogpIqGgZlLy3baS8kG5utXcnUC/yApqonxY1xFD9qIfgaPK7LSNkrRuBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T13:06:17.214769Z","bundle_sha256":"cfb0670d589dd162c17f8ae141edebe12ef5de36609a3e0cef21ad34b92188e0"}}