{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:IKFHUDL7XLPUUZUH5TCANRWTA7","short_pith_number":"pith:IKFHUDL7","canonical_record":{"source":{"id":"1006.1702","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CY","submitted_at":"2010-06-09T04:19:20Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"ae51a001f54b0357c5c4fefad2f2c34582ffb7f4d0752ea48033d6db0c8002b0","abstract_canon_sha256":"df1287908b2f751630a13fa99bf9878fd1bb51537d17a5f2466f2d050aa4ba37"},"schema_version":"1.0"},"canonical_sha256":"428a7a0d7fbadf4a6687ecc406c6d307fa2fbc6862bc07a4b1475bc3c4071c2b","source":{"kind":"arxiv","id":"1006.1702","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.1702","created_at":"2026-07-04T17:30:17Z"},{"alias_kind":"arxiv_version","alias_value":"1006.1702v1","created_at":"2026-07-04T17:30:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.1702","created_at":"2026-07-04T17:30:17Z"},{"alias_kind":"pith_short_12","alias_value":"IKFHUDL7XLPU","created_at":"2026-07-04T17:30:17Z"},{"alias_kind":"pith_short_16","alias_value":"IKFHUDL7XLPUUZUH","created_at":"2026-07-04T17:30:17Z"},{"alias_kind":"pith_short_8","alias_value":"IKFHUDL7","created_at":"2026-07-04T17:30:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:IKFHUDL7XLPUUZUH5TCANRWTA7","target":"record","payload":{"canonical_record":{"source":{"id":"1006.1702","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CY","submitted_at":"2010-06-09T04:19:20Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"ae51a001f54b0357c5c4fefad2f2c34582ffb7f4d0752ea48033d6db0c8002b0","abstract_canon_sha256":"df1287908b2f751630a13fa99bf9878fd1bb51537d17a5f2466f2d050aa4ba37"},"schema_version":"1.0"},"canonical_sha256":"428a7a0d7fbadf4a6687ecc406c6d307fa2fbc6862bc07a4b1475bc3c4071c2b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:30:17.109725Z","signature_b64":"9lbqQm927haNy+0WIN+Mo4BHFeKFjNy6s2rWV8Ib9oOGHcQLunNfJ0/YSqeC77TiqsALZQ1BegrI5IUYPf57Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"428a7a0d7fbadf4a6687ecc406c6d307fa2fbc6862bc07a4b1475bc3c4071c2b","last_reissued_at":"2026-07-04T17:30:17.109268Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:30:17.109268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.1702","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":"2026-07-04T17:30:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dbj6JBfgIVTPi711qRJDVth4xStIbQaFWc07+DGHe3/7IjwakTs7OzCt34/Nxgst23em833uz2pHZOWqFW+pCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T04:24:04.779094Z"},"content_sha256":"b44c326ef178bb487016b0a9abbc030e0c025b13d1c630d219c7f77b99670832","schema_version":"1.0","event_id":"sha256:b44c326ef178bb487016b0a9abbc030e0c025b13d1c630d219c7f77b99670832"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:IKFHUDL7XLPUUZUH5TCANRWTA7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"\"Birds of a Feather\": Does User Homophily Impact Information Diffusion in Social Media?","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":["physics.soc-ph"],"primary_cat":"cs.CY","authors_text":"Aisling Kelliher, Ajita John, Doree Duncan Seligmann, Hari Sundaram, Munmun De Choudhury","submitted_at":"2010-06-09T04:19:20Z","abstract_excerpt":"This article investigates the impact of user homophily on the social process of information diffusion in online social media. Over several decades, social scientists have been interested in the idea that similarity breeds connection: precisely known as \"homophily\". Homophily has been extensively studied in the social sciences and refers to the idea that users in a social system tend to bond more with ones who are similar to them than to ones who are dissimilar. The key observation is that homophily structures the ego-networks of individuals and impacts their communication behavior. It is there"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.1702","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1006.1702/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T17:30:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LnMsrnw3qcn2W6IsFdSXCyKFzakicuhybkfWvIrcdM2AJAp+J6/jBKba+1+AYPCInzsC8dH8hpLL7nFRsjQZCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T04:24:04.780035Z"},"content_sha256":"fac9e08bf4ecb517712f4ccd5f0124ffb13c0de2d9c720d80a2faecdcd6f2303","schema_version":"1.0","event_id":"sha256:fac9e08bf4ecb517712f4ccd5f0124ffb13c0de2d9c720d80a2faecdcd6f2303"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IKFHUDL7XLPUUZUH5TCANRWTA7/bundle.json","state_url":"https://pith.science/pith/IKFHUDL7XLPUUZUH5TCANRWTA7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IKFHUDL7XLPUUZUH5TCANRWTA7/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":"2026-08-04T04:24:04Z","links":{"resolver":"https://pith.science/pith/IKFHUDL7XLPUUZUH5TCANRWTA7","bundle":"https://pith.science/pith/IKFHUDL7XLPUUZUH5TCANRWTA7/bundle.json","state":"https://pith.science/pith/IKFHUDL7XLPUUZUH5TCANRWTA7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IKFHUDL7XLPUUZUH5TCANRWTA7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:IKFHUDL7XLPUUZUH5TCANRWTA7","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":"df1287908b2f751630a13fa99bf9878fd1bb51537d17a5f2466f2d050aa4ba37","cross_cats_sorted":["physics.soc-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CY","submitted_at":"2010-06-09T04:19:20Z","title_canon_sha256":"ae51a001f54b0357c5c4fefad2f2c34582ffb7f4d0752ea48033d6db0c8002b0"},"schema_version":"1.0","source":{"id":"1006.1702","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.1702","created_at":"2026-07-04T17:30:17Z"},{"alias_kind":"arxiv_version","alias_value":"1006.1702v1","created_at":"2026-07-04T17:30:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.1702","created_at":"2026-07-04T17:30:17Z"},{"alias_kind":"pith_short_12","alias_value":"IKFHUDL7XLPU","created_at":"2026-07-04T17:30:17Z"},{"alias_kind":"pith_short_16","alias_value":"IKFHUDL7XLPUUZUH","created_at":"2026-07-04T17:30:17Z"},{"alias_kind":"pith_short_8","alias_value":"IKFHUDL7","created_at":"2026-07-04T17:30:17Z"}],"graph_snapshots":[{"event_id":"sha256:fac9e08bf4ecb517712f4ccd5f0124ffb13c0de2d9c720d80a2faecdcd6f2303","target":"graph","created_at":"2026-07-04T17:30:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1006.1702/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This article investigates the impact of user homophily on the social process of information diffusion in online social media. Over several decades, social scientists have been interested in the idea that similarity breeds connection: precisely known as \"homophily\". Homophily has been extensively studied in the social sciences and refers to the idea that users in a social system tend to bond more with ones who are similar to them than to ones who are dissimilar. The key observation is that homophily structures the ego-networks of individuals and impacts their communication behavior. It is there","authors_text":"Aisling Kelliher, Ajita John, Doree Duncan Seligmann, Hari Sundaram, Munmun De Choudhury","cross_cats":["physics.soc-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CY","submitted_at":"2010-06-09T04:19:20Z","title":"\"Birds of a Feather\": Does User Homophily Impact Information Diffusion in Social Media?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.1702","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:b44c326ef178bb487016b0a9abbc030e0c025b13d1c630d219c7f77b99670832","target":"record","created_at":"2026-07-04T17:30:17Z","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":"df1287908b2f751630a13fa99bf9878fd1bb51537d17a5f2466f2d050aa4ba37","cross_cats_sorted":["physics.soc-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CY","submitted_at":"2010-06-09T04:19:20Z","title_canon_sha256":"ae51a001f54b0357c5c4fefad2f2c34582ffb7f4d0752ea48033d6db0c8002b0"},"schema_version":"1.0","source":{"id":"1006.1702","kind":"arxiv","version":1}},"canonical_sha256":"428a7a0d7fbadf4a6687ecc406c6d307fa2fbc6862bc07a4b1475bc3c4071c2b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"428a7a0d7fbadf4a6687ecc406c6d307fa2fbc6862bc07a4b1475bc3c4071c2b","first_computed_at":"2026-07-04T17:30:17.109268Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:30:17.109268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9lbqQm927haNy+0WIN+Mo4BHFeKFjNy6s2rWV8Ib9oOGHcQLunNfJ0/YSqeC77TiqsALZQ1BegrI5IUYPf57Aw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:30:17.109725Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.1702","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b44c326ef178bb487016b0a9abbc030e0c025b13d1c630d219c7f77b99670832","sha256:fac9e08bf4ecb517712f4ccd5f0124ffb13c0de2d9c720d80a2faecdcd6f2303"],"state_sha256":"15083068f3a7dce6eff031d61f01b23ea63ebaeb0612a8f3f5f4e857c623f3b1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cnO5pxAnLJ/Kmk3h7Be4AmPIdYc0nh3Puq5jzi7hIqzYjinfrbTW24+ZXxU24gn1JSy95kbr/PBNR4eRkyKJAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T04:24:04.785919Z","bundle_sha256":"25d0c84166e1b0aa9559f464d1ab9c3d173ad1ba779814c539bd09aebd1b9bad"}}