{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:QF3MB22KHHSQZNJZPAGCKKTTPC","short_pith_number":"pith:QF3MB22K","canonical_record":{"source":{"id":"1803.07172","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2018-03-19T21:35:21Z","cross_cats_sorted":["stat.ME","stat.OT"],"title_canon_sha256":"78c442a4627d9f74ddf68fa67fe27725e4bcf4eca72d645602f8333d35a25232","abstract_canon_sha256":"2d449fca91bd1ca50f3484b9c6fc57ba0d05ed9f00a56e2041c5c7bc6d30c1d0"},"schema_version":"1.0"},"canonical_sha256":"8176c0eb4a39e50cb539780c252a73789d400e9b627405221ecd805b6994d6eb","source":{"kind":"arxiv","id":"1803.07172","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.07172","created_at":"2026-05-18T00:06:04Z"},{"alias_kind":"arxiv_version","alias_value":"1803.07172v2","created_at":"2026-05-18T00:06:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.07172","created_at":"2026-05-18T00:06:04Z"},{"alias_kind":"pith_short_12","alias_value":"QF3MB22KHHSQ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QF3MB22KHHSQZNJZ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QF3MB22K","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:QF3MB22KHHSQZNJZPAGCKKTTPC","target":"record","payload":{"canonical_record":{"source":{"id":"1803.07172","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2018-03-19T21:35:21Z","cross_cats_sorted":["stat.ME","stat.OT"],"title_canon_sha256":"78c442a4627d9f74ddf68fa67fe27725e4bcf4eca72d645602f8333d35a25232","abstract_canon_sha256":"2d449fca91bd1ca50f3484b9c6fc57ba0d05ed9f00a56e2041c5c7bc6d30c1d0"},"schema_version":"1.0"},"canonical_sha256":"8176c0eb4a39e50cb539780c252a73789d400e9b627405221ecd805b6994d6eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:04.761073Z","signature_b64":"+fqcSfr9cJnp6pYdvWbfT9moqIZXVlhNQz6OkvlpyOyfXdrrZbNNWpToC87ZI8tej5eWMogdgfP7FF5NoTl6BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8176c0eb4a39e50cb539780c252a73789d400e9b627405221ecd805b6994d6eb","last_reissued_at":"2026-05-18T00:06:04.760587Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:04.760587Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.07172","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:06:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GNVEVYlz4SHToNXJ92j7hdvWH7L3LMaH4d1sCfGhsgrT2RGyeGyLcvgT5E6CNkPAPAl14B/HKF+lFyaGz5nqCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T12:52:18.650950Z"},"content_sha256":"cd8ebd18909cd7198930044811eff6bfb219d4ba2754d1246b0331d4dbbb9abe","schema_version":"1.0","event_id":"sha256:cd8ebd18909cd7198930044811eff6bfb219d4ba2754d1246b0331d4dbbb9abe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:QF3MB22KHHSQZNJZPAGCKKTTPC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Beyond Homophily: Incorporating Actor Variables in Actor-oriented Network Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.ME","stat.OT"],"primary_cat":"stat.AP","authors_text":"Alessandro Lomi, Tom A.B.Snijders","submitted_at":"2018-03-19T21:35:21Z","abstract_excerpt":"We consider the specification of effects of numerical actor attributes in statistical models for directed social networks. A fundamental mechanism is homophily or assortativity, where actors have a higher likelihood to be tied with others having similar values of the variable under study. But there are other mechanisms that may also play a role in how the attribute values of two actors influence the likelihood of a tie. We discuss three additional mechanisms: aspiration to send ties to others having high values; conformity in the sense of sending more ties to others whose values are close to w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.07172","kind":"arxiv","version":2},"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":"2026-05-18T00:06:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mkekMmmPzEjKvCxseV9756ysU6CnhgFQLru9XYbcHqZv3FGpdEBrcMKZ0uFbDpETdFWymo9ZnxkZyEV/HF+NAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T12:52:18.651303Z"},"content_sha256":"5a10d0a414be5e8bb34ae457a86e892148b685e23ee01d0b88d143db33b151ee","schema_version":"1.0","event_id":"sha256:5a10d0a414be5e8bb34ae457a86e892148b685e23ee01d0b88d143db33b151ee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QF3MB22KHHSQZNJZPAGCKKTTPC/bundle.json","state_url":"https://pith.science/pith/QF3MB22KHHSQZNJZPAGCKKTTPC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QF3MB22KHHSQZNJZPAGCKKTTPC/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":"2026-06-23T12:52:18Z","links":{"resolver":"https://pith.science/pith/QF3MB22KHHSQZNJZPAGCKKTTPC","bundle":"https://pith.science/pith/QF3MB22KHHSQZNJZPAGCKKTTPC/bundle.json","state":"https://pith.science/pith/QF3MB22KHHSQZNJZPAGCKKTTPC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QF3MB22KHHSQZNJZPAGCKKTTPC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QF3MB22KHHSQZNJZPAGCKKTTPC","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":"2d449fca91bd1ca50f3484b9c6fc57ba0d05ed9f00a56e2041c5c7bc6d30c1d0","cross_cats_sorted":["stat.ME","stat.OT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2018-03-19T21:35:21Z","title_canon_sha256":"78c442a4627d9f74ddf68fa67fe27725e4bcf4eca72d645602f8333d35a25232"},"schema_version":"1.0","source":{"id":"1803.07172","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.07172","created_at":"2026-05-18T00:06:04Z"},{"alias_kind":"arxiv_version","alias_value":"1803.07172v2","created_at":"2026-05-18T00:06:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.07172","created_at":"2026-05-18T00:06:04Z"},{"alias_kind":"pith_short_12","alias_value":"QF3MB22KHHSQ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QF3MB22KHHSQZNJZ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QF3MB22K","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:5a10d0a414be5e8bb34ae457a86e892148b685e23ee01d0b88d143db33b151ee","target":"graph","created_at":"2026-05-18T00:06:04Z","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":"We consider the specification of effects of numerical actor attributes in statistical models for directed social networks. A fundamental mechanism is homophily or assortativity, where actors have a higher likelihood to be tied with others having similar values of the variable under study. But there are other mechanisms that may also play a role in how the attribute values of two actors influence the likelihood of a tie. We discuss three additional mechanisms: aspiration to send ties to others having high values; conformity in the sense of sending more ties to others whose values are close to w","authors_text":"Alessandro Lomi, Tom A.B.Snijders","cross_cats":["stat.ME","stat.OT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2018-03-19T21:35:21Z","title":"Beyond Homophily: Incorporating Actor Variables in Actor-oriented Network Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.07172","kind":"arxiv","version":2},"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:cd8ebd18909cd7198930044811eff6bfb219d4ba2754d1246b0331d4dbbb9abe","target":"record","created_at":"2026-05-18T00:06:04Z","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":"2d449fca91bd1ca50f3484b9c6fc57ba0d05ed9f00a56e2041c5c7bc6d30c1d0","cross_cats_sorted":["stat.ME","stat.OT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2018-03-19T21:35:21Z","title_canon_sha256":"78c442a4627d9f74ddf68fa67fe27725e4bcf4eca72d645602f8333d35a25232"},"schema_version":"1.0","source":{"id":"1803.07172","kind":"arxiv","version":2}},"canonical_sha256":"8176c0eb4a39e50cb539780c252a73789d400e9b627405221ecd805b6994d6eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8176c0eb4a39e50cb539780c252a73789d400e9b627405221ecd805b6994d6eb","first_computed_at":"2026-05-18T00:06:04.760587Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:04.760587Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+fqcSfr9cJnp6pYdvWbfT9moqIZXVlhNQz6OkvlpyOyfXdrrZbNNWpToC87ZI8tej5eWMogdgfP7FF5NoTl6BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:04.761073Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.07172","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd8ebd18909cd7198930044811eff6bfb219d4ba2754d1246b0331d4dbbb9abe","sha256:5a10d0a414be5e8bb34ae457a86e892148b685e23ee01d0b88d143db33b151ee"],"state_sha256":"29f4a2f4d67448d85518548ce73128fbecbd932d898060529ff75d763688ca89"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cl9OnSBkyluxvsnnHzoDw0I+XKPk63Rjfot1rW1CmHRT7Ws+OP3vt70JDmLRgN806s3mUmdi9QKg8UPb8GCJAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T12:52:18.653348Z","bundle_sha256":"aae7ada0653f8a71768784ddead6bbc41980db683962a3fa7665962c5df14492"}}