{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:WKEQAWVYR37FAC6RGDZKEHRHEX","short_pith_number":"pith:WKEQAWVY","canonical_record":{"source":{"id":"1310.5139","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-10-18T19:54:29Z","cross_cats_sorted":["cs.GT","q-bio.PE"],"title_canon_sha256":"9f381fe29dcfee2769446b3a7ce575f45c6b8e7dc5510a055498c457f4a11e48","abstract_canon_sha256":"8707a4479e9ab627868b4c57d5449a47c906e26ba38b44b981a9393ad4f39931"},"schema_version":"1.0"},"canonical_sha256":"b289005ab88efe500bd130f2a21e2725e82bca67e6d3ee4339e08f14df7771e3","source":{"kind":"arxiv","id":"1310.5139","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.5139","created_at":"2026-05-18T03:06:04Z"},{"alias_kind":"arxiv_version","alias_value":"1310.5139v1","created_at":"2026-05-18T03:06:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.5139","created_at":"2026-05-18T03:06:04Z"},{"alias_kind":"pith_short_12","alias_value":"WKEQAWVYR37F","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"WKEQAWVYR37FAC6R","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"WKEQAWVY","created_at":"2026-05-18T12:28:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:WKEQAWVYR37FAC6RGDZKEHRHEX","target":"record","payload":{"canonical_record":{"source":{"id":"1310.5139","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-10-18T19:54:29Z","cross_cats_sorted":["cs.GT","q-bio.PE"],"title_canon_sha256":"9f381fe29dcfee2769446b3a7ce575f45c6b8e7dc5510a055498c457f4a11e48","abstract_canon_sha256":"8707a4479e9ab627868b4c57d5449a47c906e26ba38b44b981a9393ad4f39931"},"schema_version":"1.0"},"canonical_sha256":"b289005ab88efe500bd130f2a21e2725e82bca67e6d3ee4339e08f14df7771e3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:06:04.680598Z","signature_b64":"6jA4dnkAYHEq6Zqg9jRUmvbHEw32wtFXCNnum9G/kLE7/IUCNEqUsX1dxTiw9lh5TExg61mIghFAGa+0ft0RDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b289005ab88efe500bd130f2a21e2725e82bca67e6d3ee4339e08f14df7771e3","last_reissued_at":"2026-05-18T03:06:04.679825Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:06:04.679825Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.5139","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":"2026-05-18T03:06:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8nXz8paPrj2CvvDJQ6RC9sLtK3VDMcAxjV0OOV/9VxJlkp7ReahKCKNKPZHkF779clb3SVIa/FP2mGcphg7QDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:05:32.797187Z"},"content_sha256":"58532851806d8ad91354199c611ed5d96d260a256e672345dc10a9986f11bfcc","schema_version":"1.0","event_id":"sha256:58532851806d8ad91354199c611ed5d96d260a256e672345dc10a9986f11bfcc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:WKEQAWVYR37FAC6RGDZKEHRHEX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Correlation of positive and negative reciprocity fails to confer an evolutionary advantage: Phase transitions to elementary strategies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.GT","q-bio.PE"],"primary_cat":"physics.soc-ph","authors_text":"Attila Szolnoki, Matjaz Perc","submitted_at":"2013-10-18T19:54:29Z","abstract_excerpt":"Economic experiments reveal that humans value cooperation and fairness. Punishing unfair behavior is therefore common, and according to the theory of strong reciprocity, it is also directly related to rewarding cooperative behavior. However, empirical data fail to confirm that positive and negative reciprocity are correlated. Inspired by this disagreement, we determine whether the combined application of reward and punishment is evolutionary advantageous. We study a spatial public goods game, where in addition to the three elementary strategies of defection, rewarding and punishment, a fourth "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.5139","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:06:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fGDs5xjq+66B4E79/x1erxxjZTtrB5thLT4GJf2o9eRa9duWovM2I9AbqyodU31snIGscP0lkQFL2Lj9OAioCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:05:32.797579Z"},"content_sha256":"f2ba8fd33ede54e6205a3c7f545c4e4c45db6609b105331da52439a4c4556756","schema_version":"1.0","event_id":"sha256:f2ba8fd33ede54e6205a3c7f545c4e4c45db6609b105331da52439a4c4556756"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WKEQAWVYR37FAC6RGDZKEHRHEX/bundle.json","state_url":"https://pith.science/pith/WKEQAWVYR37FAC6RGDZKEHRHEX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WKEQAWVYR37FAC6RGDZKEHRHEX/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":"2026-05-28T11:05:32Z","links":{"resolver":"https://pith.science/pith/WKEQAWVYR37FAC6RGDZKEHRHEX","bundle":"https://pith.science/pith/WKEQAWVYR37FAC6RGDZKEHRHEX/bundle.json","state":"https://pith.science/pith/WKEQAWVYR37FAC6RGDZKEHRHEX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WKEQAWVYR37FAC6RGDZKEHRHEX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:WKEQAWVYR37FAC6RGDZKEHRHEX","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":"8707a4479e9ab627868b4c57d5449a47c906e26ba38b44b981a9393ad4f39931","cross_cats_sorted":["cs.GT","q-bio.PE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-10-18T19:54:29Z","title_canon_sha256":"9f381fe29dcfee2769446b3a7ce575f45c6b8e7dc5510a055498c457f4a11e48"},"schema_version":"1.0","source":{"id":"1310.5139","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.5139","created_at":"2026-05-18T03:06:04Z"},{"alias_kind":"arxiv_version","alias_value":"1310.5139v1","created_at":"2026-05-18T03:06:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.5139","created_at":"2026-05-18T03:06:04Z"},{"alias_kind":"pith_short_12","alias_value":"WKEQAWVYR37F","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"WKEQAWVYR37FAC6R","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"WKEQAWVY","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:f2ba8fd33ede54e6205a3c7f545c4e4c45db6609b105331da52439a4c4556756","target":"graph","created_at":"2026-05-18T03:06:04Z","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"},"paper":{"abstract_excerpt":"Economic experiments reveal that humans value cooperation and fairness. Punishing unfair behavior is therefore common, and according to the theory of strong reciprocity, it is also directly related to rewarding cooperative behavior. However, empirical data fail to confirm that positive and negative reciprocity are correlated. Inspired by this disagreement, we determine whether the combined application of reward and punishment is evolutionary advantageous. We study a spatial public goods game, where in addition to the three elementary strategies of defection, rewarding and punishment, a fourth ","authors_text":"Attila Szolnoki, Matjaz Perc","cross_cats":["cs.GT","q-bio.PE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-10-18T19:54:29Z","title":"Correlation of positive and negative reciprocity fails to confer an evolutionary advantage: Phase transitions to elementary strategies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.5139","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":"sha256:58532851806d8ad91354199c611ed5d96d260a256e672345dc10a9986f11bfcc","target":"record","created_at":"2026-05-18T03:06:04Z","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":"8707a4479e9ab627868b4c57d5449a47c906e26ba38b44b981a9393ad4f39931","cross_cats_sorted":["cs.GT","q-bio.PE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-10-18T19:54:29Z","title_canon_sha256":"9f381fe29dcfee2769446b3a7ce575f45c6b8e7dc5510a055498c457f4a11e48"},"schema_version":"1.0","source":{"id":"1310.5139","kind":"arxiv","version":1}},"canonical_sha256":"b289005ab88efe500bd130f2a21e2725e82bca67e6d3ee4339e08f14df7771e3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b289005ab88efe500bd130f2a21e2725e82bca67e6d3ee4339e08f14df7771e3","first_computed_at":"2026-05-18T03:06:04.679825Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:06:04.679825Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6jA4dnkAYHEq6Zqg9jRUmvbHEw32wtFXCNnum9G/kLE7/IUCNEqUsX1dxTiw9lh5TExg61mIghFAGa+0ft0RDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:06:04.680598Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.5139","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:58532851806d8ad91354199c611ed5d96d260a256e672345dc10a9986f11bfcc","sha256:f2ba8fd33ede54e6205a3c7f545c4e4c45db6609b105331da52439a4c4556756"],"state_sha256":"4d50bcc926c1ad1e6bef7aeb7bd599667f142310faf3b790fe948f2d12d4780a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sa4PQfe8Ii7N8iJ11vLqFrLLZaV/dVbamUQPDpX8zSvnEql9VPtoxS6zo/lqBf2MC8x1plcMovwk7ilzn00yCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T11:05:32.799515Z","bundle_sha256":"4a85a9635331f4346ecf8c54e9b9b8ee7859c5a0b3e5a1d052721046a5a17ba3"}}