{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:K7VEOY24CUWLQRYH4UBB5CCVWE","short_pith_number":"pith:K7VEOY24","canonical_record":{"source":{"id":"1510.07763","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-10-27T03:44:09Z","cross_cats_sorted":["nlin.AO"],"title_canon_sha256":"45a1d27a5e5302f307aeb476ce9869fce5ddeb61271b010233e9487f891f9d33","abstract_canon_sha256":"348bde1353a85b062a68f473526c48b2927e85ab95cd598f09d84a985e53024e"},"schema_version":"1.0"},"canonical_sha256":"57ea47635c152cb84707e5021e8855b13598351749ab680aa06957e0daa9cb66","source":{"kind":"arxiv","id":"1510.07763","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.07763","created_at":"2026-05-18T01:29:12Z"},{"alias_kind":"arxiv_version","alias_value":"1510.07763v1","created_at":"2026-05-18T01:29:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.07763","created_at":"2026-05-18T01:29:12Z"},{"alias_kind":"pith_short_12","alias_value":"K7VEOY24CUWL","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"K7VEOY24CUWLQRYH","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"K7VEOY24","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:K7VEOY24CUWLQRYH4UBB5CCVWE","target":"record","payload":{"canonical_record":{"source":{"id":"1510.07763","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-10-27T03:44:09Z","cross_cats_sorted":["nlin.AO"],"title_canon_sha256":"45a1d27a5e5302f307aeb476ce9869fce5ddeb61271b010233e9487f891f9d33","abstract_canon_sha256":"348bde1353a85b062a68f473526c48b2927e85ab95cd598f09d84a985e53024e"},"schema_version":"1.0"},"canonical_sha256":"57ea47635c152cb84707e5021e8855b13598351749ab680aa06957e0daa9cb66","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:29:12.693901Z","signature_b64":"hcqxE41gK7xyPxaR7GuAC5u1bjQFmolFiQubQlaSLKBxCGrR0E5eenWIYOPrM18TVnY6Ejyr1/cJN52GXi6wDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57ea47635c152cb84707e5021e8855b13598351749ab680aa06957e0daa9cb66","last_reissued_at":"2026-05-18T01:29:12.693229Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:29:12.693229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.07763","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":"2026-05-18T01:29:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jlOrVc7lbVpb7d8PE4Puw0baoijnzZRrLk6N9DBKf/bYgNxa1dfKQ5EDe/Icp8M2D3I1tPj3Zfx1zNpGt6b/Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T02:44:27.930055Z"},"content_sha256":"91210cdf09d034d62ca9087c8632a7c610f3baa402dc70019ae840da1d73c7c2","schema_version":"1.0","event_id":"sha256:91210cdf09d034d62ca9087c8632a7c610f3baa402dc70019ae840da1d73c7c2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:K7VEOY24CUWLQRYH4UBB5CCVWE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution of Scientific Collaboration Network Driven by Homophily and Heterophily","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["nlin.AO"],"primary_cat":"physics.soc-ph","authors_text":"Haoxiang Xia, Peng Liu, Shuangling Luo","submitted_at":"2015-10-27T03:44:09Z","abstract_excerpt":"Many scientific collaboration networks exhibit clear community and small world structures. However, the studies on the underlying mechanisms for the formation and evolution of community and small world structures are still insufficient. The mechanisms of homophily and heterophily based on scholars' traits are two important factors for the formation of community and inter-communal links, which may deserve further exploration. In this paper, a multi-agent model, which is based on combinatorial effects of homophily and heterophily, is developed to investigate the evolution of scientific collabora"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.07763","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":"2026-05-18T01:29:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YtdwdbGgdAji6O818b/KHk1/iYST5SGMHO4p9+AJ+ZWPQ5ydeabTvtqIehyQdhjZsQR0NZG+J8K9HduVLWCgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T02:44:27.930419Z"},"content_sha256":"1686ef58e5ccc748897b9aba2b1b8ac665ccb3a45a32d0df7f8ae0ca2bca7fd8","schema_version":"1.0","event_id":"sha256:1686ef58e5ccc748897b9aba2b1b8ac665ccb3a45a32d0df7f8ae0ca2bca7fd8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K7VEOY24CUWLQRYH4UBB5CCVWE/bundle.json","state_url":"https://pith.science/pith/K7VEOY24CUWLQRYH4UBB5CCVWE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K7VEOY24CUWLQRYH4UBB5CCVWE/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":"2026-06-04T02:44:27Z","links":{"resolver":"https://pith.science/pith/K7VEOY24CUWLQRYH4UBB5CCVWE","bundle":"https://pith.science/pith/K7VEOY24CUWLQRYH4UBB5CCVWE/bundle.json","state":"https://pith.science/pith/K7VEOY24CUWLQRYH4UBB5CCVWE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K7VEOY24CUWLQRYH4UBB5CCVWE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:K7VEOY24CUWLQRYH4UBB5CCVWE","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":"348bde1353a85b062a68f473526c48b2927e85ab95cd598f09d84a985e53024e","cross_cats_sorted":["nlin.AO"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-10-27T03:44:09Z","title_canon_sha256":"45a1d27a5e5302f307aeb476ce9869fce5ddeb61271b010233e9487f891f9d33"},"schema_version":"1.0","source":{"id":"1510.07763","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.07763","created_at":"2026-05-18T01:29:12Z"},{"alias_kind":"arxiv_version","alias_value":"1510.07763v1","created_at":"2026-05-18T01:29:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.07763","created_at":"2026-05-18T01:29:12Z"},{"alias_kind":"pith_short_12","alias_value":"K7VEOY24CUWL","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"K7VEOY24CUWLQRYH","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"K7VEOY24","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:1686ef58e5ccc748897b9aba2b1b8ac665ccb3a45a32d0df7f8ae0ca2bca7fd8","target":"graph","created_at":"2026-05-18T01:29:12Z","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":"Many scientific collaboration networks exhibit clear community and small world structures. However, the studies on the underlying mechanisms for the formation and evolution of community and small world structures are still insufficient. The mechanisms of homophily and heterophily based on scholars' traits are two important factors for the formation of community and inter-communal links, which may deserve further exploration. In this paper, a multi-agent model, which is based on combinatorial effects of homophily and heterophily, is developed to investigate the evolution of scientific collabora","authors_text":"Haoxiang Xia, Peng Liu, Shuangling Luo","cross_cats":["nlin.AO"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-10-27T03:44:09Z","title":"Evolution of Scientific Collaboration Network Driven by Homophily and Heterophily"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.07763","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":"sha256:91210cdf09d034d62ca9087c8632a7c610f3baa402dc70019ae840da1d73c7c2","target":"record","created_at":"2026-05-18T01:29:12Z","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":"348bde1353a85b062a68f473526c48b2927e85ab95cd598f09d84a985e53024e","cross_cats_sorted":["nlin.AO"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-10-27T03:44:09Z","title_canon_sha256":"45a1d27a5e5302f307aeb476ce9869fce5ddeb61271b010233e9487f891f9d33"},"schema_version":"1.0","source":{"id":"1510.07763","kind":"arxiv","version":1}},"canonical_sha256":"57ea47635c152cb84707e5021e8855b13598351749ab680aa06957e0daa9cb66","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57ea47635c152cb84707e5021e8855b13598351749ab680aa06957e0daa9cb66","first_computed_at":"2026-05-18T01:29:12.693229Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:29:12.693229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hcqxE41gK7xyPxaR7GuAC5u1bjQFmolFiQubQlaSLKBxCGrR0E5eenWIYOPrM18TVnY6Ejyr1/cJN52GXi6wDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:29:12.693901Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.07763","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91210cdf09d034d62ca9087c8632a7c610f3baa402dc70019ae840da1d73c7c2","sha256:1686ef58e5ccc748897b9aba2b1b8ac665ccb3a45a32d0df7f8ae0ca2bca7fd8"],"state_sha256":"ee64da90669496df7b2b07b6634f7b409c5647864688f84e5c468958e415c623"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"97DL04Ax1PLYMFBL/+PZmeyAC5SCvk0a9ufNrDCYAnHc32fhc7M3cY1/qrkY7MbVAMGWGN/dkM4L+117tXmnAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T02:44:27.932469Z","bundle_sha256":"b213e3b1b44d952321b11948409bfd21086d2905a745b4a052e998299d0c3113"}}