{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:BDSVKKOBALONJ7EYL7SKLBU4BC","short_pith_number":"pith:BDSVKKOB","canonical_record":{"source":{"id":"1703.01333","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2017-03-03T20:36:38Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"e55e3c9bded92307a32dfed8c29b4ee2b1947b98ea3250729385fe0627b8714b","abstract_canon_sha256":"fabc79b7973c7cfbd5970a96b6b5150389c8b38e7f7d87432df85696b709d6bd"},"schema_version":"1.0"},"canonical_sha256":"08e55529c102dcd4fc985fe4a5869c089225af4ef3c0b2ceec4b1f643180e929","source":{"kind":"arxiv","id":"1703.01333","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.01333","created_at":"2026-05-18T00:45:25Z"},{"alias_kind":"arxiv_version","alias_value":"1703.01333v2","created_at":"2026-05-18T00:45:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.01333","created_at":"2026-05-18T00:45:25Z"},{"alias_kind":"pith_short_12","alias_value":"BDSVKKOBALON","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BDSVKKOBALONJ7EY","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BDSVKKOB","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:BDSVKKOBALONJ7EYL7SKLBU4BC","target":"record","payload":{"canonical_record":{"source":{"id":"1703.01333","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2017-03-03T20:36:38Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"e55e3c9bded92307a32dfed8c29b4ee2b1947b98ea3250729385fe0627b8714b","abstract_canon_sha256":"fabc79b7973c7cfbd5970a96b6b5150389c8b38e7f7d87432df85696b709d6bd"},"schema_version":"1.0"},"canonical_sha256":"08e55529c102dcd4fc985fe4a5869c089225af4ef3c0b2ceec4b1f643180e929","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:25.625031Z","signature_b64":"wdVf9+0zvtfQTEDEyLQPPdcCdd/o5zvTuRMKkm/FNvqOSijg05oFrJd/hvF47UA8fr9Fl0y6CUbKhH0JpJADAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08e55529c102dcd4fc985fe4a5869c089225af4ef3c0b2ceec4b1f643180e929","last_reissued_at":"2026-05-18T00:45:25.624543Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:25.624543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.01333","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":"2026-05-18T00:45:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zh09hS/tY3ZpIthzh2JIW6lTVIAWcngbTKZSL0e6JmKkMJ7NgBrnLc+yk3Hla7KNITrl9Wx9qoRkd59zi2xqDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T20:14:04.894327Z"},"content_sha256":"4ae1bb9054e0472887cf5de2b162d67c014e9eebaffd5ed0b5f30c662b402893","schema_version":"1.0","event_id":"sha256:4ae1bb9054e0472887cf5de2b162d67c014e9eebaffd5ed0b5f30c662b402893"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:BDSVKKOBALONJ7EYL7SKLBU4BC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards Monetary Incentives in Social Q&A Services","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.HC"],"primary_cat":"cs.AI","authors_text":"Chun Wang, Gang Wang, Qing Zhang, Steve T.K. Jan","submitted_at":"2017-03-03T20:36:38Z","abstract_excerpt":"Community-based question answering (CQA) services are facing key challenges to motivate domain experts to provide timely answers. Recently, CQA services are exploring new incentive models to engage experts and celebrities by allowing them to set a price on their answers. In this paper, we perform a data-driven analysis on two emerging payment-based CQA systems: Fenda (China) and Whale (US). By analyzing a large dataset of 220K questions (worth 1 million USD collectively), we examine how monetary incentives affect different players in the system. We find that, while monetary incentive enables q"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.01333","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":""},"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":"2026-05-18T00:45:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kKDU3zB6tgISx5EvcmFZstOjmKIDnfGIJPXXy10/XwQWyV8TIRl1AnRcj5J2mD9nAdBL5UFpnLnVBFB44wC2Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T20:14:04.895042Z"},"content_sha256":"bc2e3c842c6ea0cef04cf072695f8513a7f1d7cb1cea170beafee4e801969ffd","schema_version":"1.0","event_id":"sha256:bc2e3c842c6ea0cef04cf072695f8513a7f1d7cb1cea170beafee4e801969ffd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BDSVKKOBALONJ7EYL7SKLBU4BC/bundle.json","state_url":"https://pith.science/pith/BDSVKKOBALONJ7EYL7SKLBU4BC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BDSVKKOBALONJ7EYL7SKLBU4BC/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":"2026-05-30T20:14:04Z","links":{"resolver":"https://pith.science/pith/BDSVKKOBALONJ7EYL7SKLBU4BC","bundle":"https://pith.science/pith/BDSVKKOBALONJ7EYL7SKLBU4BC/bundle.json","state":"https://pith.science/pith/BDSVKKOBALONJ7EYL7SKLBU4BC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BDSVKKOBALONJ7EYL7SKLBU4BC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:BDSVKKOBALONJ7EYL7SKLBU4BC","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":"fabc79b7973c7cfbd5970a96b6b5150389c8b38e7f7d87432df85696b709d6bd","cross_cats_sorted":["cs.HC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2017-03-03T20:36:38Z","title_canon_sha256":"e55e3c9bded92307a32dfed8c29b4ee2b1947b98ea3250729385fe0627b8714b"},"schema_version":"1.0","source":{"id":"1703.01333","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.01333","created_at":"2026-05-18T00:45:25Z"},{"alias_kind":"arxiv_version","alias_value":"1703.01333v2","created_at":"2026-05-18T00:45:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.01333","created_at":"2026-05-18T00:45:25Z"},{"alias_kind":"pith_short_12","alias_value":"BDSVKKOBALON","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BDSVKKOBALONJ7EY","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BDSVKKOB","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:bc2e3c842c6ea0cef04cf072695f8513a7f1d7cb1cea170beafee4e801969ffd","target":"graph","created_at":"2026-05-18T00:45:25Z","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":"Community-based question answering (CQA) services are facing key challenges to motivate domain experts to provide timely answers. Recently, CQA services are exploring new incentive models to engage experts and celebrities by allowing them to set a price on their answers. In this paper, we perform a data-driven analysis on two emerging payment-based CQA systems: Fenda (China) and Whale (US). By analyzing a large dataset of 220K questions (worth 1 million USD collectively), we examine how monetary incentives affect different players in the system. We find that, while monetary incentive enables q","authors_text":"Chun Wang, Gang Wang, Qing Zhang, Steve T.K. Jan","cross_cats":["cs.HC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2017-03-03T20:36:38Z","title":"Towards Monetary Incentives in Social Q&A Services"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.01333","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":"sha256:4ae1bb9054e0472887cf5de2b162d67c014e9eebaffd5ed0b5f30c662b402893","target":"record","created_at":"2026-05-18T00:45:25Z","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":"fabc79b7973c7cfbd5970a96b6b5150389c8b38e7f7d87432df85696b709d6bd","cross_cats_sorted":["cs.HC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2017-03-03T20:36:38Z","title_canon_sha256":"e55e3c9bded92307a32dfed8c29b4ee2b1947b98ea3250729385fe0627b8714b"},"schema_version":"1.0","source":{"id":"1703.01333","kind":"arxiv","version":2}},"canonical_sha256":"08e55529c102dcd4fc985fe4a5869c089225af4ef3c0b2ceec4b1f643180e929","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08e55529c102dcd4fc985fe4a5869c089225af4ef3c0b2ceec4b1f643180e929","first_computed_at":"2026-05-18T00:45:25.624543Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:45:25.624543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wdVf9+0zvtfQTEDEyLQPPdcCdd/o5zvTuRMKkm/FNvqOSijg05oFrJd/hvF47UA8fr9Fl0y6CUbKhH0JpJADAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:45:25.625031Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.01333","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ae1bb9054e0472887cf5de2b162d67c014e9eebaffd5ed0b5f30c662b402893","sha256:bc2e3c842c6ea0cef04cf072695f8513a7f1d7cb1cea170beafee4e801969ffd"],"state_sha256":"61e6aacf170fd903970040539b05caf4ada38ff56e85629b468b1940e16d3299"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hNQbZBNhwfBizXYiwDgHNx16ab+TI7W/LZBZ36ewjrZGoncdtTxxK9pMIe0ZtIQfJlW67bbRLg8UXTIjmmeNCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T20:14:04.899095Z","bundle_sha256":"4a91f2cd692d95e2d353c1a6c1fa017d1dc67f9aac72b91b3dc96c8dbe4a2700"}}