{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:4CAMG3N5TPOZXLZMOTJYKXEQA7","short_pith_number":"pith:4CAMG3N5","schema_version":"1.0","canonical_sha256":"e080c36dbd9bdd9baf2c74d3855c9007d6008c99ce709231865e9be74cbc7785","source":{"kind":"arxiv","id":"1503.02729","version":1},"attestation_state":"computed","paper":{"title":"Donor Retention in Online Crowdfunding Communities: A Case Study of DonorsChoose.org","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"cs.CY","authors_text":"Jure Leskovec, Tim Althoff","submitted_at":"2015-03-09T23:16:34Z","abstract_excerpt":"Online crowdfunding platforms like DonorsChoose.org and Kickstarter allow specific projects to get funded by targeted contributions from a large number of people. Critical for the success of crowdfunding communities is recruitment and continued engagement of donors. With donor attrition rates above 70%, a significant challenge for online crowdfunding platforms as well as traditional offline non-profit organizations is the problem of donor retention.\n  We present a large-scale study of millions of donors and donations on DonorsChoose.org, a crowdfunding platform for education projects. Studying"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1503.02729","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2015-03-09T23:16:34Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"c8be9245f2fa7387af842c6e6ebeb9d80d9b5229e9bec5f583de103722b3e113","abstract_canon_sha256":"b81d6b32030fb237c5614d9c33a215b39dbf7d7bdd3a638af52929810c63eb29"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:25:13.267250Z","signature_b64":"NpLJaNCqFhE+w6zvpgojyhXDxHpEiKa2sMcrTlywvsYxCvDqwGxkvgEYxgWqt0gJXGhMk/wasM6pyXzBtfLnBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e080c36dbd9bdd9baf2c74d3855c9007d6008c99ce709231865e9be74cbc7785","last_reissued_at":"2026-05-18T02:25:13.266642Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:25:13.266642Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Donor Retention in Online Crowdfunding Communities: A Case Study of DonorsChoose.org","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"cs.CY","authors_text":"Jure Leskovec, Tim Althoff","submitted_at":"2015-03-09T23:16:34Z","abstract_excerpt":"Online crowdfunding platforms like DonorsChoose.org and Kickstarter allow specific projects to get funded by targeted contributions from a large number of people. Critical for the success of crowdfunding communities is recruitment and continued engagement of donors. With donor attrition rates above 70%, a significant challenge for online crowdfunding platforms as well as traditional offline non-profit organizations is the problem of donor retention.\n  We present a large-scale study of millions of donors and donations on DonorsChoose.org, a crowdfunding platform for education projects. Studying"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.02729","kind":"arxiv","version":1},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1503.02729","created_at":"2026-05-18T02:25:13.266743+00:00"},{"alias_kind":"arxiv_version","alias_value":"1503.02729v1","created_at":"2026-05-18T02:25:13.266743+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.02729","created_at":"2026-05-18T02:25:13.266743+00:00"},{"alias_kind":"pith_short_12","alias_value":"4CAMG3N5TPOZ","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_16","alias_value":"4CAMG3N5TPOZXLZM","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_8","alias_value":"4CAMG3N5","created_at":"2026-05-18T12:29:05.191682+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4CAMG3N5TPOZXLZMOTJYKXEQA7","json":"https://pith.science/pith/4CAMG3N5TPOZXLZMOTJYKXEQA7.json","graph_json":"https://pith.science/api/pith-number/4CAMG3N5TPOZXLZMOTJYKXEQA7/graph.json","events_json":"https://pith.science/api/pith-number/4CAMG3N5TPOZXLZMOTJYKXEQA7/events.json","paper":"https://pith.science/paper/4CAMG3N5"},"agent_actions":{"view_html":"https://pith.science/pith/4CAMG3N5TPOZXLZMOTJYKXEQA7","download_json":"https://pith.science/pith/4CAMG3N5TPOZXLZMOTJYKXEQA7.json","view_paper":"https://pith.science/paper/4CAMG3N5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1503.02729&json=true","fetch_graph":"https://pith.science/api/pith-number/4CAMG3N5TPOZXLZMOTJYKXEQA7/graph.json","fetch_events":"https://pith.science/api/pith-number/4CAMG3N5TPOZXLZMOTJYKXEQA7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4CAMG3N5TPOZXLZMOTJYKXEQA7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4CAMG3N5TPOZXLZMOTJYKXEQA7/action/storage_attestation","attest_author":"https://pith.science/pith/4CAMG3N5TPOZXLZMOTJYKXEQA7/action/author_attestation","sign_citation":"https://pith.science/pith/4CAMG3N5TPOZXLZMOTJYKXEQA7/action/citation_signature","submit_replication":"https://pith.science/pith/4CAMG3N5TPOZXLZMOTJYKXEQA7/action/replication_record"}},"created_at":"2026-05-18T02:25:13.266743+00:00","updated_at":"2026-05-18T02:25:13.266743+00:00"}