{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:BYJTWIPHUVLOVYH5VZHMIZKZXM","short_pith_number":"pith:BYJTWIPH","schema_version":"1.0","canonical_sha256":"0e133b21e7a556eae0fdae4ec46559bb364d57009ea6f73464dfec58f5b59179","source":{"kind":"arxiv","id":"1712.06169","version":1},"attestation_state":"computed","paper":{"title":"Asymmetric access to information impacts the power-law exponent in networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.AO"],"primary_cat":"physics.soc-ph","authors_text":"Neil F. Johnson, Zhenfeng Cao, Zhou He","submitted_at":"2017-12-17T20:01:27Z","abstract_excerpt":"The preferential attachment (PA) process is a popular theory for explaining network power-law degree distributions. In PA, the probability that a new vertex adds an edge to an existing vertex depends on the connectivity of the target vertex. In real-world networks, however, each vertex may have asymmetric accessibility to information. Here we address this issue using a new network-generation mechanism that incorporates asymmetric accessibility to upstream and downstream information. We show that this asymmetric information accessibility directly affects the power-law exponent, producing a broa"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1712.06169","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2017-12-17T20:01:27Z","cross_cats_sorted":["nlin.AO"],"title_canon_sha256":"b949c57d13933254c913c659e3101bdb9e9be296d839ccfa35f5d91ae3e4c77d","abstract_canon_sha256":"da31c91526d70377ce3e88bb4185a44edd68156df3181dd2626d5a7850ce8da3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:09.072656Z","signature_b64":"J3N9n8kXu/UE2LcuBAnT1DT2g9vRAO1t45G0Lvt5shMNlBfCsC6KHnWocZk9aN4Rvj+hrmsIMq2/ReF9PaXYBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e133b21e7a556eae0fdae4ec46559bb364d57009ea6f73464dfec58f5b59179","last_reissued_at":"2026-05-18T00:03:09.072079Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:09.072079Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Asymmetric access to information impacts the power-law exponent in networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.AO"],"primary_cat":"physics.soc-ph","authors_text":"Neil F. Johnson, Zhenfeng Cao, Zhou He","submitted_at":"2017-12-17T20:01:27Z","abstract_excerpt":"The preferential attachment (PA) process is a popular theory for explaining network power-law degree distributions. In PA, the probability that a new vertex adds an edge to an existing vertex depends on the connectivity of the target vertex. In real-world networks, however, each vertex may have asymmetric accessibility to information. Here we address this issue using a new network-generation mechanism that incorporates asymmetric accessibility to upstream and downstream information. We show that this asymmetric information accessibility directly affects the power-law exponent, producing a broa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.06169","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1712.06169","created_at":"2026-05-18T00:03:09.072190+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.06169v1","created_at":"2026-05-18T00:03:09.072190+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.06169","created_at":"2026-05-18T00:03:09.072190+00:00"},{"alias_kind":"pith_short_12","alias_value":"BYJTWIPHUVLO","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_16","alias_value":"BYJTWIPHUVLOVYH5","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_8","alias_value":"BYJTWIPH","created_at":"2026-05-18T12:31:08.081275+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BYJTWIPHUVLOVYH5VZHMIZKZXM","json":"https://pith.science/pith/BYJTWIPHUVLOVYH5VZHMIZKZXM.json","graph_json":"https://pith.science/api/pith-number/BYJTWIPHUVLOVYH5VZHMIZKZXM/graph.json","events_json":"https://pith.science/api/pith-number/BYJTWIPHUVLOVYH5VZHMIZKZXM/events.json","paper":"https://pith.science/paper/BYJTWIPH"},"agent_actions":{"view_html":"https://pith.science/pith/BYJTWIPHUVLOVYH5VZHMIZKZXM","download_json":"https://pith.science/pith/BYJTWIPHUVLOVYH5VZHMIZKZXM.json","view_paper":"https://pith.science/paper/BYJTWIPH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.06169&json=true","fetch_graph":"https://pith.science/api/pith-number/BYJTWIPHUVLOVYH5VZHMIZKZXM/graph.json","fetch_events":"https://pith.science/api/pith-number/BYJTWIPHUVLOVYH5VZHMIZKZXM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BYJTWIPHUVLOVYH5VZHMIZKZXM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BYJTWIPHUVLOVYH5VZHMIZKZXM/action/storage_attestation","attest_author":"https://pith.science/pith/BYJTWIPHUVLOVYH5VZHMIZKZXM/action/author_attestation","sign_citation":"https://pith.science/pith/BYJTWIPHUVLOVYH5VZHMIZKZXM/action/citation_signature","submit_replication":"https://pith.science/pith/BYJTWIPHUVLOVYH5VZHMIZKZXM/action/replication_record"}},"created_at":"2026-05-18T00:03:09.072190+00:00","updated_at":"2026-05-18T00:03:09.072190+00:00"}