{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:RRYACVNRMVOC67D2FQSP5MFSSK","short_pith_number":"pith:RRYACVNR","canonical_record":{"source":{"id":"1403.1451","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2014-03-06T14:23:53Z","cross_cats_sorted":["cs.CL","cs.SI"],"title_canon_sha256":"5a2732fa95f5bd78b637030be336f372debf6ae3e3644c109c39d00fc43e638c","abstract_canon_sha256":"baa6c758489f763034c62bc3af1752a5f16fdf7dc6688075891a9e4a34ac08b4"},"schema_version":"1.0"},"canonical_sha256":"8c700155b1655c2f7c7a2c24feb0b292ab4e84142517fa39f2f3e06eeb85f0e2","source":{"kind":"arxiv","id":"1403.1451","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.1451","created_at":"2026-05-18T02:56:59Z"},{"alias_kind":"arxiv_version","alias_value":"1403.1451v1","created_at":"2026-05-18T02:56:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.1451","created_at":"2026-05-18T02:56:59Z"},{"alias_kind":"pith_short_12","alias_value":"RRYACVNRMVOC","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"RRYACVNRMVOC67D2","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"RRYACVNR","created_at":"2026-05-18T12:28:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:RRYACVNRMVOC67D2FQSP5MFSSK","target":"record","payload":{"canonical_record":{"source":{"id":"1403.1451","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2014-03-06T14:23:53Z","cross_cats_sorted":["cs.CL","cs.SI"],"title_canon_sha256":"5a2732fa95f5bd78b637030be336f372debf6ae3e3644c109c39d00fc43e638c","abstract_canon_sha256":"baa6c758489f763034c62bc3af1752a5f16fdf7dc6688075891a9e4a34ac08b4"},"schema_version":"1.0"},"canonical_sha256":"8c700155b1655c2f7c7a2c24feb0b292ab4e84142517fa39f2f3e06eeb85f0e2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:56:59.013484Z","signature_b64":"aQ69EWZIMjWDaIkdlx+4qIRJlhMSN/t8SP3Uusi/oFB+Hk+lRapivfdpsmTEyUO6eZg/ZOrCtUuR0jbGRbrODg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c700155b1655c2f7c7a2c24feb0b292ab4e84142517fa39f2f3e06eeb85f0e2","last_reissued_at":"2026-05-18T02:56:59.012998Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:56:59.012998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.1451","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":"2026-05-18T02:56:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BPGh0K6N9hp7+PZ3aQ1DTgeZ0IW9ZZ19mnMgYojr2u/rvPVac19gEJea1uahKjEH4wHAaauYOXyzqsbS/vXNAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T10:21:03.353449Z"},"content_sha256":"c9873260cab7a6d1e2de9b0205b83366384b97e0dc67e6703cfd3e8721b4adc6","schema_version":"1.0","event_id":"sha256:c9873260cab7a6d1e2de9b0205b83366384b97e0dc67e6703cfd3e8721b4adc6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:RRYACVNRMVOC67D2FQSP5MFSSK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Real-Time Classification of Twitter Trends","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CL","cs.SI"],"primary_cat":"cs.IR","authors_text":"Arkaitz Zubiaga, Damiano Spina, Raquel Mart\\'inez, V\\'ictor Fresno","submitted_at":"2014-03-06T14:23:53Z","abstract_excerpt":"Social media users give rise to social trends as they share about common interests, which can be triggered by different reasons. In this work, we explore the types of triggers that spark trends on Twitter, introducing a typology with following four types: 'news', 'ongoing events', 'memes', and 'commemoratives'. While previous research has analyzed trending topics in a long term, we look at the earliest tweets that produce a trend, with the aim of categorizing trends early on. This would allow to provide a filtered subset of trends to end users. We analyze and experiment with a set of straightf"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.1451","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":"2026-05-18T02:56:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SxrjkhmchFnGov+ydFbkK6FPAy4Tvu4dF8ZjANgZjpDTc4nm+lrOdk/vvvbOrkZZJ/DSpYlW8l7Ceoma5/WYAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T10:21:03.354056Z"},"content_sha256":"b73449be3288f771358d6ccf2fb7f1dc443a9b0a85c70833e6ccac7e6b5a1996","schema_version":"1.0","event_id":"sha256:b73449be3288f771358d6ccf2fb7f1dc443a9b0a85c70833e6ccac7e6b5a1996"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RRYACVNRMVOC67D2FQSP5MFSSK/bundle.json","state_url":"https://pith.science/pith/RRYACVNRMVOC67D2FQSP5MFSSK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RRYACVNRMVOC67D2FQSP5MFSSK/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":"2026-06-03T10:21:03Z","links":{"resolver":"https://pith.science/pith/RRYACVNRMVOC67D2FQSP5MFSSK","bundle":"https://pith.science/pith/RRYACVNRMVOC67D2FQSP5MFSSK/bundle.json","state":"https://pith.science/pith/RRYACVNRMVOC67D2FQSP5MFSSK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RRYACVNRMVOC67D2FQSP5MFSSK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:RRYACVNRMVOC67D2FQSP5MFSSK","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":"baa6c758489f763034c62bc3af1752a5f16fdf7dc6688075891a9e4a34ac08b4","cross_cats_sorted":["cs.CL","cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2014-03-06T14:23:53Z","title_canon_sha256":"5a2732fa95f5bd78b637030be336f372debf6ae3e3644c109c39d00fc43e638c"},"schema_version":"1.0","source":{"id":"1403.1451","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.1451","created_at":"2026-05-18T02:56:59Z"},{"alias_kind":"arxiv_version","alias_value":"1403.1451v1","created_at":"2026-05-18T02:56:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.1451","created_at":"2026-05-18T02:56:59Z"},{"alias_kind":"pith_short_12","alias_value":"RRYACVNRMVOC","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"RRYACVNRMVOC67D2","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"RRYACVNR","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:b73449be3288f771358d6ccf2fb7f1dc443a9b0a85c70833e6ccac7e6b5a1996","target":"graph","created_at":"2026-05-18T02:56:59Z","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 users give rise to social trends as they share about common interests, which can be triggered by different reasons. In this work, we explore the types of triggers that spark trends on Twitter, introducing a typology with following four types: 'news', 'ongoing events', 'memes', and 'commemoratives'. While previous research has analyzed trending topics in a long term, we look at the earliest tweets that produce a trend, with the aim of categorizing trends early on. This would allow to provide a filtered subset of trends to end users. We analyze and experiment with a set of straightf","authors_text":"Arkaitz Zubiaga, Damiano Spina, Raquel Mart\\'inez, V\\'ictor Fresno","cross_cats":["cs.CL","cs.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2014-03-06T14:23:53Z","title":"Real-Time Classification of Twitter Trends"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.1451","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:c9873260cab7a6d1e2de9b0205b83366384b97e0dc67e6703cfd3e8721b4adc6","target":"record","created_at":"2026-05-18T02:56:59Z","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":"baa6c758489f763034c62bc3af1752a5f16fdf7dc6688075891a9e4a34ac08b4","cross_cats_sorted":["cs.CL","cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2014-03-06T14:23:53Z","title_canon_sha256":"5a2732fa95f5bd78b637030be336f372debf6ae3e3644c109c39d00fc43e638c"},"schema_version":"1.0","source":{"id":"1403.1451","kind":"arxiv","version":1}},"canonical_sha256":"8c700155b1655c2f7c7a2c24feb0b292ab4e84142517fa39f2f3e06eeb85f0e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c700155b1655c2f7c7a2c24feb0b292ab4e84142517fa39f2f3e06eeb85f0e2","first_computed_at":"2026-05-18T02:56:59.012998Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:56:59.012998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aQ69EWZIMjWDaIkdlx+4qIRJlhMSN/t8SP3Uusi/oFB+Hk+lRapivfdpsmTEyUO6eZg/ZOrCtUuR0jbGRbrODg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:56:59.013484Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.1451","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c9873260cab7a6d1e2de9b0205b83366384b97e0dc67e6703cfd3e8721b4adc6","sha256:b73449be3288f771358d6ccf2fb7f1dc443a9b0a85c70833e6ccac7e6b5a1996"],"state_sha256":"c7cc24fcc7f7227b2b8890daeab73e2a02c5425b4ce66064e6760df5c7180893"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xsoPKCcZl4c/5sQ24OVTv9OBGJwlJgqknoUb3POAOQVC5G4INL3HVIFUMTMPnHanSqatlArR8ZP+FtgswnTLBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T10:21:03.356624Z","bundle_sha256":"1382404d0d3b52d52e06b54a75b6db681a35fbc0ff1ddd0c92015e3f7ad2a946"}}