{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:XOVC3VZVSNOT6OL5ODLIBIRFOM","short_pith_number":"pith:XOVC3VZV","canonical_record":{"source":{"id":"1604.04570","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-04-15T16:57:41Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"877f396b6d61a9186564aee33af7bb65e6fa1ae8dcdc2a3edc69be22f2b7ea11","abstract_canon_sha256":"d88666ed6023bc87d6e412b7e4672cbf0c38451fd9a749509654a45afe3db085"},"schema_version":"1.0"},"canonical_sha256":"bbaa2dd735935d3f397d70d680a22573147a2f695c44ecc1c80153f242b7d29a","source":{"kind":"arxiv","id":"1604.04570","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.04570","created_at":"2026-05-18T01:17:01Z"},{"alias_kind":"arxiv_version","alias_value":"1604.04570v1","created_at":"2026-05-18T01:17:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.04570","created_at":"2026-05-18T01:17:01Z"},{"alias_kind":"pith_short_12","alias_value":"XOVC3VZVSNOT","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XOVC3VZVSNOT6OL5","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XOVC3VZV","created_at":"2026-05-18T12:30:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:XOVC3VZVSNOT6OL5ODLIBIRFOM","target":"record","payload":{"canonical_record":{"source":{"id":"1604.04570","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-04-15T16:57:41Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"877f396b6d61a9186564aee33af7bb65e6fa1ae8dcdc2a3edc69be22f2b7ea11","abstract_canon_sha256":"d88666ed6023bc87d6e412b7e4672cbf0c38451fd9a749509654a45afe3db085"},"schema_version":"1.0"},"canonical_sha256":"bbaa2dd735935d3f397d70d680a22573147a2f695c44ecc1c80153f242b7d29a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:01.831619Z","signature_b64":"A5i2NlZOm92WefLserqNwR1hpSq9UYuTK8cmCc1JfqAAPKD714H/aN7v8LV6+BiH0QSeJwBamz26Hg3rXGDDBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bbaa2dd735935d3f397d70d680a22573147a2f695c44ecc1c80153f242b7d29a","last_reissued_at":"2026-05-18T01:17:01.830464Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:01.830464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.04570","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":"2026-05-18T01:17:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zQz52iJDoYnGLHeOU57fgihdX0e6W9XUAge+N+RrW/Glm2JTS7p4MzCqu5sda961bxHhA9yVj/d2VnXNbswDAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:36:45.336034Z"},"content_sha256":"4f4c0edeb11dba20c80280ade7c391c5451cceb10d2ea27db2eabc9bd061cdd2","schema_version":"1.0","event_id":"sha256:4f4c0edeb11dba20c80280ade7c391c5451cceb10d2ea27db2eabc9bd061cdd2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:XOVC3VZVSNOT6OL5ODLIBIRFOM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Community structure and interaction dynamics through the lens of quotes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY"],"primary_cat":"cs.SI","authors_text":"Enoch Peserico, Mattia Samory","submitted_at":"2016-04-15T16:57:41Z","abstract_excerpt":"This is the first work investigating community structure and interaction dynamics through the lens of quotes in online discussion forums. We examine four forums of different size, language, and topic. Quote usage, which is surprisingly consistent over time and users, appears to have an important role in aiding intra-thread navigation, and uncovers a hidden \"social\" structure in communities otherwise lacking all trappings (from friends and followers to reputations) of today's social networks."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.04570","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":"2026-05-18T01:17:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o06pVCX7RWZO0Yi9hrq+BikgE4wFwscPnMirVhpM4IXHV91Xy0nvJtI8Sn4uj6GxQYQcbB6vd/4WVucJ9jxvCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:36:45.336448Z"},"content_sha256":"152f352b48032fff3a0f6d7738db66fcb82c0c443d84b08530ea589367449229","schema_version":"1.0","event_id":"sha256:152f352b48032fff3a0f6d7738db66fcb82c0c443d84b08530ea589367449229"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XOVC3VZVSNOT6OL5ODLIBIRFOM/bundle.json","state_url":"https://pith.science/pith/XOVC3VZVSNOT6OL5ODLIBIRFOM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XOVC3VZVSNOT6OL5ODLIBIRFOM/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":"2026-05-31T08:36:45Z","links":{"resolver":"https://pith.science/pith/XOVC3VZVSNOT6OL5ODLIBIRFOM","bundle":"https://pith.science/pith/XOVC3VZVSNOT6OL5ODLIBIRFOM/bundle.json","state":"https://pith.science/pith/XOVC3VZVSNOT6OL5ODLIBIRFOM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XOVC3VZVSNOT6OL5ODLIBIRFOM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:XOVC3VZVSNOT6OL5ODLIBIRFOM","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":"d88666ed6023bc87d6e412b7e4672cbf0c38451fd9a749509654a45afe3db085","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-04-15T16:57:41Z","title_canon_sha256":"877f396b6d61a9186564aee33af7bb65e6fa1ae8dcdc2a3edc69be22f2b7ea11"},"schema_version":"1.0","source":{"id":"1604.04570","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.04570","created_at":"2026-05-18T01:17:01Z"},{"alias_kind":"arxiv_version","alias_value":"1604.04570v1","created_at":"2026-05-18T01:17:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.04570","created_at":"2026-05-18T01:17:01Z"},{"alias_kind":"pith_short_12","alias_value":"XOVC3VZVSNOT","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XOVC3VZVSNOT6OL5","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XOVC3VZV","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:152f352b48032fff3a0f6d7738db66fcb82c0c443d84b08530ea589367449229","target":"graph","created_at":"2026-05-18T01:17:01Z","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":"This is the first work investigating community structure and interaction dynamics through the lens of quotes in online discussion forums. We examine four forums of different size, language, and topic. Quote usage, which is surprisingly consistent over time and users, appears to have an important role in aiding intra-thread navigation, and uncovers a hidden \"social\" structure in communities otherwise lacking all trappings (from friends and followers to reputations) of today's social networks.","authors_text":"Enoch Peserico, Mattia Samory","cross_cats":["cs.CY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-04-15T16:57:41Z","title":"Community structure and interaction dynamics through the lens of quotes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.04570","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":"sha256:4f4c0edeb11dba20c80280ade7c391c5451cceb10d2ea27db2eabc9bd061cdd2","target":"record","created_at":"2026-05-18T01:17:01Z","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":"d88666ed6023bc87d6e412b7e4672cbf0c38451fd9a749509654a45afe3db085","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-04-15T16:57:41Z","title_canon_sha256":"877f396b6d61a9186564aee33af7bb65e6fa1ae8dcdc2a3edc69be22f2b7ea11"},"schema_version":"1.0","source":{"id":"1604.04570","kind":"arxiv","version":1}},"canonical_sha256":"bbaa2dd735935d3f397d70d680a22573147a2f695c44ecc1c80153f242b7d29a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bbaa2dd735935d3f397d70d680a22573147a2f695c44ecc1c80153f242b7d29a","first_computed_at":"2026-05-18T01:17:01.830464Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:01.830464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A5i2NlZOm92WefLserqNwR1hpSq9UYuTK8cmCc1JfqAAPKD714H/aN7v8LV6+BiH0QSeJwBamz26Hg3rXGDDBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:01.831619Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.04570","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f4c0edeb11dba20c80280ade7c391c5451cceb10d2ea27db2eabc9bd061cdd2","sha256:152f352b48032fff3a0f6d7738db66fcb82c0c443d84b08530ea589367449229"],"state_sha256":"aad36603549968eaf9431532be43fbe048298c11fbd48967ab3b0ccac5a270f6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E8XciqIYr/CDUiHIUZXc3QUZ8ecin3xbKXHY803WUWxfbSvBvw/v4wFMc+/fDDSSM+HgG53EQS9DG5F1iB//Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T08:36:45.339671Z","bundle_sha256":"a0b8250e23dfd22787c2f3edb197d967c1fabf402c552cfd7e3f0d9b04c94d39"}}