{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:EOFEGYHLEHOXNQ6KEZICVE5GTD","short_pith_number":"pith:EOFEGYHL","canonical_record":{"source":{"id":"1508.05764","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-08-24T11:51:19Z","cross_cats_sorted":["cs.CY","cs.IR","cs.SI"],"title_canon_sha256":"6ba69c2bcd753a26dceb67016ed5e3ad8cb175aeb8f45770487a6a6b45cb439b","abstract_canon_sha256":"3169ac1a6531ba7d8b61c852dba3036b9002f146e3ef7775bfd5b1d0cd17f8e9"},"schema_version":"1.0"},"canonical_sha256":"238a4360eb21dd76c3ca26502a93a698ebd980d2fc2cbe4e9b147cb115b57144","source":{"kind":"arxiv","id":"1508.05764","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.05764","created_at":"2026-05-18T00:51:53Z"},{"alias_kind":"arxiv_version","alias_value":"1508.05764v4","created_at":"2026-05-18T00:51:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.05764","created_at":"2026-05-18T00:51:53Z"},{"alias_kind":"pith_short_12","alias_value":"EOFEGYHLEHOX","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EOFEGYHLEHOXNQ6K","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EOFEGYHL","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:EOFEGYHLEHOXNQ6KEZICVE5GTD","target":"record","payload":{"canonical_record":{"source":{"id":"1508.05764","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-08-24T11:51:19Z","cross_cats_sorted":["cs.CY","cs.IR","cs.SI"],"title_canon_sha256":"6ba69c2bcd753a26dceb67016ed5e3ad8cb175aeb8f45770487a6a6b45cb439b","abstract_canon_sha256":"3169ac1a6531ba7d8b61c852dba3036b9002f146e3ef7775bfd5b1d0cd17f8e9"},"schema_version":"1.0"},"canonical_sha256":"238a4360eb21dd76c3ca26502a93a698ebd980d2fc2cbe4e9b147cb115b57144","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:53.297211Z","signature_b64":"kKeN51mYRuxx5GXCZhmMU0rZ7hW/oKTVPeHzWvIEurgRdfBpOtA5dTHJESbQYXJN9dRwgntWkvoPZSiOFcN+Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"238a4360eb21dd76c3ca26502a93a698ebd980d2fc2cbe4e9b147cb115b57144","last_reissued_at":"2026-05-18T00:51:53.296417Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:53.296417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.05764","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:51:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UJ2R8ArtfmpwASnoRV8Sq8R1PN9imNsrmoRZWZndTzU4BhM6F2gqUoV0ubOkGb/ixaXPl2ecnT+HWMW55FYSCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:20:07.539855Z"},"content_sha256":"a85704bfff42e550be19d4218d94a63b3ffaeb6fedd1ff9cdf39bd804d27a8b6","schema_version":"1.0","event_id":"sha256:a85704bfff42e550be19d4218d94a63b3ffaeb6fedd1ff9cdf39bd804d27a8b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:EOFEGYHLEHOXNQ6KEZICVE5GTD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The 'who' and 'what' of #diabetes on Twitter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY","cs.IR","cs.SI"],"primary_cat":"physics.soc-ph","authors_text":"Amy K. McLennan, Guillermo Gardu\\~no-Hern\\'andez, Mariano Beguerisse-D\\'iaz, Mauricio Barahona, Stanley J. Ulijaszek","submitted_at":"2015-08-24T11:51:19Z","abstract_excerpt":"Social media are being increasingly used for health promotion, yet the landscape of users, messages and interactions in such fora is poorly understood. Studies of social media and diabetes have focused mostly on patients, or public agencies addressing it, but have not looked broadly at all the participants or the diversity of content they contribute. We study Twitter conversations about diabetes through the systematic analysis of 2.5 million tweets collected over 8 months and the interactions between their authors. We address three questions: (1) what themes arise in these tweets?, (2) who are"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.05764","kind":"arxiv","version":4},"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":"2026-05-18T00:51:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"351hpmQhD2iKEGAdLipl5ObolYinMjJAhee6xKxBxV72aJjaHTUZ/bNET0qEpsnaJendMWI6GiJYT6yiluF2Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:20:07.540560Z"},"content_sha256":"94393c6c56335e4315057dfcb6c4511de4a51f88e99cd2243c3f2127e8293643","schema_version":"1.0","event_id":"sha256:94393c6c56335e4315057dfcb6c4511de4a51f88e99cd2243c3f2127e8293643"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EOFEGYHLEHOXNQ6KEZICVE5GTD/bundle.json","state_url":"https://pith.science/pith/EOFEGYHLEHOXNQ6KEZICVE5GTD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EOFEGYHLEHOXNQ6KEZICVE5GTD/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":"2026-05-27T02:20:07Z","links":{"resolver":"https://pith.science/pith/EOFEGYHLEHOXNQ6KEZICVE5GTD","bundle":"https://pith.science/pith/EOFEGYHLEHOXNQ6KEZICVE5GTD/bundle.json","state":"https://pith.science/pith/EOFEGYHLEHOXNQ6KEZICVE5GTD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EOFEGYHLEHOXNQ6KEZICVE5GTD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:EOFEGYHLEHOXNQ6KEZICVE5GTD","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":"3169ac1a6531ba7d8b61c852dba3036b9002f146e3ef7775bfd5b1d0cd17f8e9","cross_cats_sorted":["cs.CY","cs.IR","cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-08-24T11:51:19Z","title_canon_sha256":"6ba69c2bcd753a26dceb67016ed5e3ad8cb175aeb8f45770487a6a6b45cb439b"},"schema_version":"1.0","source":{"id":"1508.05764","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.05764","created_at":"2026-05-18T00:51:53Z"},{"alias_kind":"arxiv_version","alias_value":"1508.05764v4","created_at":"2026-05-18T00:51:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.05764","created_at":"2026-05-18T00:51:53Z"},{"alias_kind":"pith_short_12","alias_value":"EOFEGYHLEHOX","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EOFEGYHLEHOXNQ6K","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EOFEGYHL","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:94393c6c56335e4315057dfcb6c4511de4a51f88e99cd2243c3f2127e8293643","target":"graph","created_at":"2026-05-18T00:51:53Z","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":"Social media are being increasingly used for health promotion, yet the landscape of users, messages and interactions in such fora is poorly understood. Studies of social media and diabetes have focused mostly on patients, or public agencies addressing it, but have not looked broadly at all the participants or the diversity of content they contribute. We study Twitter conversations about diabetes through the systematic analysis of 2.5 million tweets collected over 8 months and the interactions between their authors. We address three questions: (1) what themes arise in these tweets?, (2) who are","authors_text":"Amy K. McLennan, Guillermo Gardu\\~no-Hern\\'andez, Mariano Beguerisse-D\\'iaz, Mauricio Barahona, Stanley J. Ulijaszek","cross_cats":["cs.CY","cs.IR","cs.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-08-24T11:51:19Z","title":"The 'who' and 'what' of #diabetes on Twitter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.05764","kind":"arxiv","version":4},"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:a85704bfff42e550be19d4218d94a63b3ffaeb6fedd1ff9cdf39bd804d27a8b6","target":"record","created_at":"2026-05-18T00:51:53Z","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":"3169ac1a6531ba7d8b61c852dba3036b9002f146e3ef7775bfd5b1d0cd17f8e9","cross_cats_sorted":["cs.CY","cs.IR","cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-08-24T11:51:19Z","title_canon_sha256":"6ba69c2bcd753a26dceb67016ed5e3ad8cb175aeb8f45770487a6a6b45cb439b"},"schema_version":"1.0","source":{"id":"1508.05764","kind":"arxiv","version":4}},"canonical_sha256":"238a4360eb21dd76c3ca26502a93a698ebd980d2fc2cbe4e9b147cb115b57144","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"238a4360eb21dd76c3ca26502a93a698ebd980d2fc2cbe4e9b147cb115b57144","first_computed_at":"2026-05-18T00:51:53.296417Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:53.296417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kKeN51mYRuxx5GXCZhmMU0rZ7hW/oKTVPeHzWvIEurgRdfBpOtA5dTHJESbQYXJN9dRwgntWkvoPZSiOFcN+Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:53.297211Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.05764","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a85704bfff42e550be19d4218d94a63b3ffaeb6fedd1ff9cdf39bd804d27a8b6","sha256:94393c6c56335e4315057dfcb6c4511de4a51f88e99cd2243c3f2127e8293643"],"state_sha256":"70aa84737985187e2d6db429cb6357c7dad3d1f1e8101b47989eadcb2b68847c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xtrqNliMxedT0QZ/27Fz5r1eo7/gsP78GttGyC8AesXF4jY8kT5iTLARZW68tV0BmUGO+FWmN+1356rwAxG1CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:20:07.543977Z","bundle_sha256":"f352247212f5abc77a4844cfdcf1610d24942970027d4dd5ca3dd378e5e52155"}}