{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:DBIWHC4F6VJRDOEKYNLRPSSAVK","short_pith_number":"pith:DBIWHC4F","canonical_record":{"source":{"id":"1201.3019","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2012-01-14T14:30:31Z","cross_cats_sorted":["cond-mat.stat-mech","cs.SI"],"title_canon_sha256":"beeb659e24feae574b3ff9318fad1c49b89a99bbc1bffa335655bd3f37fd4ced","abstract_canon_sha256":"6c039f102a365687a5b500e7736580b86795e7471b6d434eb9beda993c966fab"},"schema_version":"1.0"},"canonical_sha256":"1851638b85f55311b88ac35717ca40aaa466f65b74b3730e048f33a550267887","source":{"kind":"arxiv","id":"1201.3019","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.3019","created_at":"2026-05-18T02:26:59Z"},{"alias_kind":"arxiv_version","alias_value":"1201.3019v1","created_at":"2026-05-18T02:26:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.3019","created_at":"2026-05-18T02:26:59Z"},{"alias_kind":"pith_short_12","alias_value":"DBIWHC4F6VJR","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"DBIWHC4F6VJRDOEK","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"DBIWHC4F","created_at":"2026-05-18T12:27:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:DBIWHC4F6VJRDOEKYNLRPSSAVK","target":"record","payload":{"canonical_record":{"source":{"id":"1201.3019","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2012-01-14T14:30:31Z","cross_cats_sorted":["cond-mat.stat-mech","cs.SI"],"title_canon_sha256":"beeb659e24feae574b3ff9318fad1c49b89a99bbc1bffa335655bd3f37fd4ced","abstract_canon_sha256":"6c039f102a365687a5b500e7736580b86795e7471b6d434eb9beda993c966fab"},"schema_version":"1.0"},"canonical_sha256":"1851638b85f55311b88ac35717ca40aaa466f65b74b3730e048f33a550267887","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:26:59.206037Z","signature_b64":"lZXMzU0ZIycwE/3uKhH2TmznYFaX2pUaknNgZPYOhx/Of7plHsGYnSSC2MDKoNx0hRluwpFzJ7LdEOD6nVXdBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1851638b85f55311b88ac35717ca40aaa466f65b74b3730e048f33a550267887","last_reissued_at":"2026-05-18T02:26:59.205658Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:26:59.205658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.3019","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":"2026-05-18T02:26:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jsE8SCNfitMvIYVqZClgm+cLqXmZS3OfWI7yacHGmPMY3wvfcLyYpXuLVf3Zx6HqnXPx8EKnJ9gJ5MGPT9w9Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:02:13.385091Z"},"content_sha256":"e79333faf9cdf7ab06ef55955367abe2f4b20982fa15cd552e81db4b04a93a8f","schema_version":"1.0","event_id":"sha256:e79333faf9cdf7ab06ef55955367abe2f4b20982fa15cd552e81db4b04a93a8f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:DBIWHC4F6VJRDOEKYNLRPSSAVK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Human behavior in Prisoner's Dilemma experiments suppresses network reciprocity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","cs.SI"],"primary_cat":"physics.soc-ph","authors_text":"Angel Sanchez, Carlos Gracia-Lazaro, Jose A. Cuesta, Yamir Moreno","submitted_at":"2012-01-14T14:30:31Z","abstract_excerpt":"During the last few years, much research has been devoted to strategic interactions on complex networks. In this context, the Prisoner's Dilemma has become a paradigmatic model, and it has been established that imitative evolutionary dynamics lead to very different outcomes depending on the details of the network. We here report that when one takes into account the real behavior of people observed in the experiments, both at the mean-field level and on utterly different networks the observed level of cooperation is the same. We thus show that when human subjects interact in an heterogeneous mi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.3019","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":"2026-05-18T02:26:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tf2VwKmxdHu7d+BAcDW20HLtN41krTG09xwjaE3eC20NpmJvP81ZAhGW66D27owFYgTUaV8JpQdiDYa/sL2kCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:02:13.385773Z"},"content_sha256":"7987601747425003ea29b56ed7414447bfb092c1fda60f1d02fed85c669597ce","schema_version":"1.0","event_id":"sha256:7987601747425003ea29b56ed7414447bfb092c1fda60f1d02fed85c669597ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DBIWHC4F6VJRDOEKYNLRPSSAVK/bundle.json","state_url":"https://pith.science/pith/DBIWHC4F6VJRDOEKYNLRPSSAVK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DBIWHC4F6VJRDOEKYNLRPSSAVK/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":"2026-05-28T16:02:13Z","links":{"resolver":"https://pith.science/pith/DBIWHC4F6VJRDOEKYNLRPSSAVK","bundle":"https://pith.science/pith/DBIWHC4F6VJRDOEKYNLRPSSAVK/bundle.json","state":"https://pith.science/pith/DBIWHC4F6VJRDOEKYNLRPSSAVK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DBIWHC4F6VJRDOEKYNLRPSSAVK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:DBIWHC4F6VJRDOEKYNLRPSSAVK","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":"6c039f102a365687a5b500e7736580b86795e7471b6d434eb9beda993c966fab","cross_cats_sorted":["cond-mat.stat-mech","cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2012-01-14T14:30:31Z","title_canon_sha256":"beeb659e24feae574b3ff9318fad1c49b89a99bbc1bffa335655bd3f37fd4ced"},"schema_version":"1.0","source":{"id":"1201.3019","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.3019","created_at":"2026-05-18T02:26:59Z"},{"alias_kind":"arxiv_version","alias_value":"1201.3019v1","created_at":"2026-05-18T02:26:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.3019","created_at":"2026-05-18T02:26:59Z"},{"alias_kind":"pith_short_12","alias_value":"DBIWHC4F6VJR","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"DBIWHC4F6VJRDOEK","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"DBIWHC4F","created_at":"2026-05-18T12:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:7987601747425003ea29b56ed7414447bfb092c1fda60f1d02fed85c669597ce","target":"graph","created_at":"2026-05-18T02:26:59Z","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":"During the last few years, much research has been devoted to strategic interactions on complex networks. In this context, the Prisoner's Dilemma has become a paradigmatic model, and it has been established that imitative evolutionary dynamics lead to very different outcomes depending on the details of the network. We here report that when one takes into account the real behavior of people observed in the experiments, both at the mean-field level and on utterly different networks the observed level of cooperation is the same. We thus show that when human subjects interact in an heterogeneous mi","authors_text":"Angel Sanchez, Carlos Gracia-Lazaro, Jose A. Cuesta, Yamir Moreno","cross_cats":["cond-mat.stat-mech","cs.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2012-01-14T14:30:31Z","title":"Human behavior in Prisoner's Dilemma experiments suppresses network reciprocity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.3019","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:e79333faf9cdf7ab06ef55955367abe2f4b20982fa15cd552e81db4b04a93a8f","target":"record","created_at":"2026-05-18T02:26:59Z","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":"6c039f102a365687a5b500e7736580b86795e7471b6d434eb9beda993c966fab","cross_cats_sorted":["cond-mat.stat-mech","cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2012-01-14T14:30:31Z","title_canon_sha256":"beeb659e24feae574b3ff9318fad1c49b89a99bbc1bffa335655bd3f37fd4ced"},"schema_version":"1.0","source":{"id":"1201.3019","kind":"arxiv","version":1}},"canonical_sha256":"1851638b85f55311b88ac35717ca40aaa466f65b74b3730e048f33a550267887","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1851638b85f55311b88ac35717ca40aaa466f65b74b3730e048f33a550267887","first_computed_at":"2026-05-18T02:26:59.205658Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:26:59.205658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lZXMzU0ZIycwE/3uKhH2TmznYFaX2pUaknNgZPYOhx/Of7plHsGYnSSC2MDKoNx0hRluwpFzJ7LdEOD6nVXdBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:26:59.206037Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.3019","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e79333faf9cdf7ab06ef55955367abe2f4b20982fa15cd552e81db4b04a93a8f","sha256:7987601747425003ea29b56ed7414447bfb092c1fda60f1d02fed85c669597ce"],"state_sha256":"3095932997f7d6b1bda6e5c53dee063e58d63a9d7a94c6a87e91da48f37b7896"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3ovGuh/U47R9eEXMaxnGToUeGGhmShEVrbIO9fQxia5e7ykQJ532xdyXveRtLykduPwbLzR62lG5M6qMYcf6DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T16:02:13.389128Z","bundle_sha256":"0ccef82d134855f01659158be41cd569a1f9abad14c195ac6bed8e338df6c570"}}