{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:BF6BLEY2QBKZNLJOWIYWQYE72M","short_pith_number":"pith:BF6BLEY2","canonical_record":{"source":{"id":"2606.07818","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-06-05T19:59:17Z","cross_cats_sorted":["cs.NE"],"title_canon_sha256":"8370ce0a8d13560c405a12c9fcb3958aa366f45f4c2971ba96ffcd9c0984d06b","abstract_canon_sha256":"4820651bdae911600fb0f66641423ef98b479986ceddd5711376af4a9b257dae"},"schema_version":"1.0"},"canonical_sha256":"097c15931a805596ad2eb23168609fd3228ffe0a2f5f219e56d27f1827b19a8a","source":{"kind":"arxiv","id":"2606.07818","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.07818","created_at":"2026-06-09T01:04:53Z"},{"alias_kind":"arxiv_version","alias_value":"2606.07818v1","created_at":"2026-06-09T01:04:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.07818","created_at":"2026-06-09T01:04:53Z"},{"alias_kind":"pith_short_12","alias_value":"BF6BLEY2QBKZ","created_at":"2026-06-09T01:04:53Z"},{"alias_kind":"pith_short_16","alias_value":"BF6BLEY2QBKZNLJO","created_at":"2026-06-09T01:04:53Z"},{"alias_kind":"pith_short_8","alias_value":"BF6BLEY2","created_at":"2026-06-09T01:04:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:BF6BLEY2QBKZNLJOWIYWQYE72M","target":"record","payload":{"canonical_record":{"source":{"id":"2606.07818","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-06-05T19:59:17Z","cross_cats_sorted":["cs.NE"],"title_canon_sha256":"8370ce0a8d13560c405a12c9fcb3958aa366f45f4c2971ba96ffcd9c0984d06b","abstract_canon_sha256":"4820651bdae911600fb0f66641423ef98b479986ceddd5711376af4a9b257dae"},"schema_version":"1.0"},"canonical_sha256":"097c15931a805596ad2eb23168609fd3228ffe0a2f5f219e56d27f1827b19a8a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T01:04:53.017444Z","signature_b64":"knV0Uzj53Eo7/cPPe10kb60b/c9FvgCKEmzw1l9E8FCL7DFYNHIguVNdFNVCcloGOEiSvafSOsdYeFilbEmQCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"097c15931a805596ad2eb23168609fd3228ffe0a2f5f219e56d27f1827b19a8a","last_reissued_at":"2026-06-09T01:04:53.017018Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T01:04:53.017018Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.07818","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-09T01:04:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4pmqSSjipQF3XkJNjjajmdUJQ+Oy23b9e7jWO71WC9hizv4XQCjIdZt4K2DqqFnheNHwmojTk42Z0449y9pHBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T07:54:54.378305Z"},"content_sha256":"1f583017e49121ea90be040fbd58ae09c177b88eebe73078fff881ef537c5101","schema_version":"1.0","event_id":"sha256:1f583017e49121ea90be040fbd58ae09c177b88eebe73078fff881ef537c5101"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:BF6BLEY2QBKZNLJOWIYWQYE72M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Representational Similarity and Model Behavior in Multi-Agent Interaction","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.NE"],"primary_cat":"cs.CL","authors_text":"Alane Suhr, Alexander Huth, Been Kim, Dawn Song, Jacob Eisenstein, James Evans, Seun Eisape, Shiyang Lai, Yujin Potter","submitted_at":"2026-06-05T19:59:17Z","abstract_excerpt":"Researchers have shown that neural similarity among humans predicts social closeness and cooperative success, whereas innovation often emerges from interactions among dissimilar individuals. We investigate whether these principles extend to artificial intelligence by examining interactions between large language models. In our experiments, 276 model pairs interact across eight games spanning both cooperation and novelty. We find that pairs with more similar representation spaces achieve significantly higher cooperation but exhibit reduced novelty and creativity. The effects of representational"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.07818","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.07818/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":"2026-06-09T01:04:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3mDkzK1AjddVH2ya8IPbxWkehdw4q+0zduXsuefih5SlyEunLD6uAWFYr8KiIdCddrJaN9LnFSwYtdJNuKFUAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T07:54:54.378706Z"},"content_sha256":"8105a02b0153b0ac45c69bf8dfe9616037cfe77260722e94b243918dd0d2bb25","schema_version":"1.0","event_id":"sha256:8105a02b0153b0ac45c69bf8dfe9616037cfe77260722e94b243918dd0d2bb25"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BF6BLEY2QBKZNLJOWIYWQYE72M/bundle.json","state_url":"https://pith.science/pith/BF6BLEY2QBKZNLJOWIYWQYE72M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BF6BLEY2QBKZNLJOWIYWQYE72M/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":"2026-06-20T07:54:54Z","links":{"resolver":"https://pith.science/pith/BF6BLEY2QBKZNLJOWIYWQYE72M","bundle":"https://pith.science/pith/BF6BLEY2QBKZNLJOWIYWQYE72M/bundle.json","state":"https://pith.science/pith/BF6BLEY2QBKZNLJOWIYWQYE72M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BF6BLEY2QBKZNLJOWIYWQYE72M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:BF6BLEY2QBKZNLJOWIYWQYE72M","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":"4820651bdae911600fb0f66641423ef98b479986ceddd5711376af4a9b257dae","cross_cats_sorted":["cs.NE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-06-05T19:59:17Z","title_canon_sha256":"8370ce0a8d13560c405a12c9fcb3958aa366f45f4c2971ba96ffcd9c0984d06b"},"schema_version":"1.0","source":{"id":"2606.07818","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.07818","created_at":"2026-06-09T01:04:53Z"},{"alias_kind":"arxiv_version","alias_value":"2606.07818v1","created_at":"2026-06-09T01:04:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.07818","created_at":"2026-06-09T01:04:53Z"},{"alias_kind":"pith_short_12","alias_value":"BF6BLEY2QBKZ","created_at":"2026-06-09T01:04:53Z"},{"alias_kind":"pith_short_16","alias_value":"BF6BLEY2QBKZNLJO","created_at":"2026-06-09T01:04:53Z"},{"alias_kind":"pith_short_8","alias_value":"BF6BLEY2","created_at":"2026-06-09T01:04:53Z"}],"graph_snapshots":[{"event_id":"sha256:8105a02b0153b0ac45c69bf8dfe9616037cfe77260722e94b243918dd0d2bb25","target":"graph","created_at":"2026-06-09T01:04:53Z","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/2606.07818/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Researchers have shown that neural similarity among humans predicts social closeness and cooperative success, whereas innovation often emerges from interactions among dissimilar individuals. We investigate whether these principles extend to artificial intelligence by examining interactions between large language models. In our experiments, 276 model pairs interact across eight games spanning both cooperation and novelty. We find that pairs with more similar representation spaces achieve significantly higher cooperation but exhibit reduced novelty and creativity. The effects of representational","authors_text":"Alane Suhr, Alexander Huth, Been Kim, Dawn Song, Jacob Eisenstein, James Evans, Seun Eisape, Shiyang Lai, Yujin Potter","cross_cats":["cs.NE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-06-05T19:59:17Z","title":"Representational Similarity and Model Behavior in Multi-Agent Interaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.07818","kind":"arxiv","version":1},"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":"sha256:1f583017e49121ea90be040fbd58ae09c177b88eebe73078fff881ef537c5101","target":"record","created_at":"2026-06-09T01:04:53Z","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":"4820651bdae911600fb0f66641423ef98b479986ceddd5711376af4a9b257dae","cross_cats_sorted":["cs.NE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-06-05T19:59:17Z","title_canon_sha256":"8370ce0a8d13560c405a12c9fcb3958aa366f45f4c2971ba96ffcd9c0984d06b"},"schema_version":"1.0","source":{"id":"2606.07818","kind":"arxiv","version":1}},"canonical_sha256":"097c15931a805596ad2eb23168609fd3228ffe0a2f5f219e56d27f1827b19a8a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"097c15931a805596ad2eb23168609fd3228ffe0a2f5f219e56d27f1827b19a8a","first_computed_at":"2026-06-09T01:04:53.017018Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-09T01:04:53.017018Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"knV0Uzj53Eo7/cPPe10kb60b/c9FvgCKEmzw1l9E8FCL7DFYNHIguVNdFNVCcloGOEiSvafSOsdYeFilbEmQCw==","signature_status":"signed_v1","signed_at":"2026-06-09T01:04:53.017444Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.07818","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f583017e49121ea90be040fbd58ae09c177b88eebe73078fff881ef537c5101","sha256:8105a02b0153b0ac45c69bf8dfe9616037cfe77260722e94b243918dd0d2bb25"],"state_sha256":"a91f1cf6da8adecdbd5504a8104105f0f0a82897cdf12b79eea57f4291b91ae8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V8sv+EPVWlA/x9mCGvVV69rY4TwApoLle7RBxN1IVpb1oYzfa7257mWamrayglVir/VQYeM2c4hsCnWvKeuiCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T07:54:54.380732Z","bundle_sha256":"d34d47a687ee968594dad11c1e59572fe7a42381f0e6460deae4c667e00ae682"}}