{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:RYCPY2IUTU33N4YGXXCY2XOOE7","short_pith_number":"pith:RYCPY2IU","canonical_record":{"source":{"id":"2602.03541","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-02-03T13:56:47Z","cross_cats_sorted":["econ.TH"],"title_canon_sha256":"c8634c0da924a3b3d18340bdb8744355da54ad5ebded6b8e194695fafacea270","abstract_canon_sha256":"533e8c91fc7547e80d99031c095500f319602be280979a859b64ec1d70570883"},"schema_version":"1.0"},"canonical_sha256":"8e04fc69149d37b6f306bdc58d5dce27d9ddd9243f35f06394206fb8589f4627","source":{"kind":"arxiv","id":"2602.03541","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.03541","created_at":"2026-08-04T02:40:04Z"},{"alias_kind":"arxiv_version","alias_value":"2602.03541v2","created_at":"2026-08-04T02:40:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.03541","created_at":"2026-08-04T02:40:04Z"},{"alias_kind":"pith_short_12","alias_value":"RYCPY2IUTU33","created_at":"2026-08-04T02:40:04Z"},{"alias_kind":"pith_short_16","alias_value":"RYCPY2IUTU33N4YG","created_at":"2026-08-04T02:40:04Z"},{"alias_kind":"pith_short_8","alias_value":"RYCPY2IU","created_at":"2026-08-04T02:40:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:RYCPY2IUTU33N4YGXXCY2XOOE7","target":"record","payload":{"canonical_record":{"source":{"id":"2602.03541","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-02-03T13:56:47Z","cross_cats_sorted":["econ.TH"],"title_canon_sha256":"c8634c0da924a3b3d18340bdb8744355da54ad5ebded6b8e194695fafacea270","abstract_canon_sha256":"533e8c91fc7547e80d99031c095500f319602be280979a859b64ec1d70570883"},"schema_version":"1.0"},"canonical_sha256":"8e04fc69149d37b6f306bdc58d5dce27d9ddd9243f35f06394206fb8589f4627","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-04T02:40:04.202088Z","signature_b64":"tFgGI3poqIuY8QZw2426lodGThYQJoZBl9+mr1EZS2PtyfNq0rbyP4jrhh11hT95lwqvJQwKv6Udpt4XFYBnBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8e04fc69149d37b6f306bdc58d5dce27d9ddd9243f35f06394206fb8589f4627","last_reissued_at":"2026-08-04T02:40:04.199790Z","signature_status":"signed_v1","first_computed_at":"2026-08-04T02:40:04.199790Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2602.03541","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":"2026-08-04T02:40:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cur8wppzdOI190c2RQ0ImBW5jCzR83uIL/XdjshWyUk4n1suaq9qpv9DaFJ7ocJl/u1NZmKjaCR1kKe9wT0vAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T20:59:25.701802Z"},"content_sha256":"0a797acf3840b0abdbe1aaeb6ba59eaadc3de7e24036619882eda063946bd2bb","schema_version":"1.0","event_id":"sha256:0a797acf3840b0abdbe1aaeb6ba59eaadc3de7e24036619882eda063946bd2bb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:RYCPY2IUTU33N4YGXXCY2XOOE7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Group Selection as a Safeguard Against AI Substitution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["econ.TH"],"primary_cat":"cs.AI","authors_text":"Iyad Rahwan, Julian Garcia, Qiankun Zhong, Thomas F. Eisenmann","submitted_at":"2026-02-03T13:56:47Z","abstract_excerpt":"Reliance on generative AI can reduce cultural variance and diversity, especially in creative work. This reduction in variance has already led to problems in model performance, including model collapse and hallucination. In this paper, we examine the long-term consequences of AI use for human cultural evolution and the conditions under which widespread AI use may lead to \"cultural collapse\", a process in which reliance on AI-generated content reduces human variation and innovation and slows cumulative cultural evolution. Using an agent-based model and evolutionary game theory, we compare two ty"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.03541","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2602.03541/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":"2026-08-04T02:40:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BDNudtdKN/jzlntRzk3L4z8xo6gk6Xf/FXD+Yp6ovVyMNP/NW7gFVvkWd44a6nhtuR66hg9bjjjLZQHrRDGFDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T20:59:25.702298Z"},"content_sha256":"0f381b056b6fda08d13792fefe625ac0ae74658d3205ef0454b1f428726645d1","schema_version":"1.0","event_id":"sha256:0f381b056b6fda08d13792fefe625ac0ae74658d3205ef0454b1f428726645d1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RYCPY2IUTU33N4YGXXCY2XOOE7/bundle.json","state_url":"https://pith.science/pith/RYCPY2IUTU33N4YGXXCY2XOOE7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RYCPY2IUTU33N4YGXXCY2XOOE7/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":"2026-08-08T20:59:25Z","links":{"resolver":"https://pith.science/pith/RYCPY2IUTU33N4YGXXCY2XOOE7","bundle":"https://pith.science/pith/RYCPY2IUTU33N4YGXXCY2XOOE7/bundle.json","state":"https://pith.science/pith/RYCPY2IUTU33N4YGXXCY2XOOE7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RYCPY2IUTU33N4YGXXCY2XOOE7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:RYCPY2IUTU33N4YGXXCY2XOOE7","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":"533e8c91fc7547e80d99031c095500f319602be280979a859b64ec1d70570883","cross_cats_sorted":["econ.TH"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-02-03T13:56:47Z","title_canon_sha256":"c8634c0da924a3b3d18340bdb8744355da54ad5ebded6b8e194695fafacea270"},"schema_version":"1.0","source":{"id":"2602.03541","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.03541","created_at":"2026-08-04T02:40:04Z"},{"alias_kind":"arxiv_version","alias_value":"2602.03541v2","created_at":"2026-08-04T02:40:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.03541","created_at":"2026-08-04T02:40:04Z"},{"alias_kind":"pith_short_12","alias_value":"RYCPY2IUTU33","created_at":"2026-08-04T02:40:04Z"},{"alias_kind":"pith_short_16","alias_value":"RYCPY2IUTU33N4YG","created_at":"2026-08-04T02:40:04Z"},{"alias_kind":"pith_short_8","alias_value":"RYCPY2IU","created_at":"2026-08-04T02:40:04Z"}],"graph_snapshots":[{"event_id":"sha256:0f381b056b6fda08d13792fefe625ac0ae74658d3205ef0454b1f428726645d1","target":"graph","created_at":"2026-08-04T02:40:04Z","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/2602.03541/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Reliance on generative AI can reduce cultural variance and diversity, especially in creative work. This reduction in variance has already led to problems in model performance, including model collapse and hallucination. In this paper, we examine the long-term consequences of AI use for human cultural evolution and the conditions under which widespread AI use may lead to \"cultural collapse\", a process in which reliance on AI-generated content reduces human variation and innovation and slows cumulative cultural evolution. Using an agent-based model and evolutionary game theory, we compare two ty","authors_text":"Iyad Rahwan, Julian Garcia, Qiankun Zhong, Thomas F. Eisenmann","cross_cats":["econ.TH"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-02-03T13:56:47Z","title":"Group Selection as a Safeguard Against AI Substitution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.03541","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":"sha256:0a797acf3840b0abdbe1aaeb6ba59eaadc3de7e24036619882eda063946bd2bb","target":"record","created_at":"2026-08-04T02:40:04Z","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":"533e8c91fc7547e80d99031c095500f319602be280979a859b64ec1d70570883","cross_cats_sorted":["econ.TH"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-02-03T13:56:47Z","title_canon_sha256":"c8634c0da924a3b3d18340bdb8744355da54ad5ebded6b8e194695fafacea270"},"schema_version":"1.0","source":{"id":"2602.03541","kind":"arxiv","version":2}},"canonical_sha256":"8e04fc69149d37b6f306bdc58d5dce27d9ddd9243f35f06394206fb8589f4627","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8e04fc69149d37b6f306bdc58d5dce27d9ddd9243f35f06394206fb8589f4627","first_computed_at":"2026-08-04T02:40:04.199790Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-04T02:40:04.199790Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tFgGI3poqIuY8QZw2426lodGThYQJoZBl9+mr1EZS2PtyfNq0rbyP4jrhh11hT95lwqvJQwKv6Udpt4XFYBnBA==","signature_status":"signed_v1","signed_at":"2026-08-04T02:40:04.202088Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.03541","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0a797acf3840b0abdbe1aaeb6ba59eaadc3de7e24036619882eda063946bd2bb","sha256:0f381b056b6fda08d13792fefe625ac0ae74658d3205ef0454b1f428726645d1"],"state_sha256":"06e6c9869db62e271fceac51235ef48a78c77653adbb605562b46cec8601c247"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9Gmm8fYpKLBpmSz3erBcfPacDPojPwxIeumeYQkYvXEoOzJlNdTYqB3gUrUEdym+AbWu7RGNBEryTskZyCRTBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T20:59:25.706743Z","bundle_sha256":"836e6cba06ab42a5686f16bd22487b1f7f752ed8bbf989b4cb03f7dafd1d2370"}}