{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:K67ZTE6DBQKV2TAFO3N2S6A6OD","short_pith_number":"pith:K67ZTE6D","canonical_record":{"source":{"id":"1810.10308","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-10-23T11:54:23Z","cross_cats_sorted":[],"title_canon_sha256":"44112cd9f821b45608c3f50afcd7b0178e6bdfca8a52ce3db5270340735c8c39","abstract_canon_sha256":"576e5e70662fee22ab7a1421a43c4d46f19e1b363e90b0cb2b2084d2369b0f3d"},"schema_version":"1.0"},"canonical_sha256":"57bf9993c30c155d4c0576dba9781e70f6c80cdf48c904b49e6377202123fd78","source":{"kind":"arxiv","id":"1810.10308","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.10308","created_at":"2026-07-05T03:01:31Z"},{"alias_kind":"arxiv_version","alias_value":"1810.10308v1","created_at":"2026-07-05T03:01:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10308","created_at":"2026-07-05T03:01:31Z"},{"alias_kind":"pith_short_12","alias_value":"K67ZTE6DBQKV","created_at":"2026-07-05T03:01:31Z"},{"alias_kind":"pith_short_16","alias_value":"K67ZTE6DBQKV2TAF","created_at":"2026-07-05T03:01:31Z"},{"alias_kind":"pith_short_8","alias_value":"K67ZTE6D","created_at":"2026-07-05T03:01:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:K67ZTE6DBQKV2TAFO3N2S6A6OD","target":"record","payload":{"canonical_record":{"source":{"id":"1810.10308","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-10-23T11:54:23Z","cross_cats_sorted":[],"title_canon_sha256":"44112cd9f821b45608c3f50afcd7b0178e6bdfca8a52ce3db5270340735c8c39","abstract_canon_sha256":"576e5e70662fee22ab7a1421a43c4d46f19e1b363e90b0cb2b2084d2369b0f3d"},"schema_version":"1.0"},"canonical_sha256":"57bf9993c30c155d4c0576dba9781e70f6c80cdf48c904b49e6377202123fd78","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:01:31.971442Z","signature_b64":"m2AFV9lzWd1Fabaki+DEoS0FCnoShopy04hwujk1s4XtXOJm6ldV2/aaTCyeaGlPfM4y0epmdUQv4sXaUgsvDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57bf9993c30c155d4c0576dba9781e70f6c80cdf48c904b49e6377202123fd78","last_reissued_at":"2026-07-05T03:01:31.971032Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:01:31.971032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.10308","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":"2026-07-05T03:01:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1thzVxr3cOBYnvAf3lfHLviNOoqRGMl1z+5sCGyk//QdcC1RI0HcKqnC+xzw8Rg7aUHxqr+X18phPriuXSMfBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T07:04:15.024049Z"},"content_sha256":"1c60d82b40860f41d748d62d47bb0f3c3eb15bc6fbffffedbee3ba7d9ed73fa1","schema_version":"1.0","event_id":"sha256:1c60d82b40860f41d748d62d47bb0f3c3eb15bc6fbffffedbee3ba7d9ed73fa1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:K67ZTE6DBQKV2TAFO3N2S6A6OD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"TweetsKB: A Public and Large-Scale RDF Corpus of Annotated Tweets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Eirini Ntoutsi, Pavlos Fafalios, Stefan Dietze, Vasileios Iosifidis","submitted_at":"2018-10-23T11:54:23Z","abstract_excerpt":"Publicly available social media archives facilitate research in a variety of fields, such as data science, sociology or the digital humanities, where Twitter has emerged as one of the most prominent sources. However, obtaining, archiving and annotating large amounts of tweets is costly. In this paper, we describe TweetsKB, a publicly available corpus of currently more than 1.5 billion tweets, spanning almost 5 years (Jan'13-Nov'17). Metadata information about the tweets as well as extracted entities, hashtags, user mentions and sentiment information are exposed using established RDF/S vocabula"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10308","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/1810.10308/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":"2026-07-05T03:01:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3MUx5IJuiuCSwpZjXTs3DNfhC36D2xSesTYt8tApzbNtdJym7ELL5k0Q0f2yUrvy0PU4JSaKeCo7FQ038qupAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T07:04:15.025269Z"},"content_sha256":"ea1a20aa4b7135bf4fd86280fbeb813e07808451d67592b8dd294e7acdd35c66","schema_version":"1.0","event_id":"sha256:ea1a20aa4b7135bf4fd86280fbeb813e07808451d67592b8dd294e7acdd35c66"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K67ZTE6DBQKV2TAFO3N2S6A6OD/bundle.json","state_url":"https://pith.science/pith/K67ZTE6DBQKV2TAFO3N2S6A6OD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K67ZTE6DBQKV2TAFO3N2S6A6OD/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":"2026-08-10T07:04:15Z","links":{"resolver":"https://pith.science/pith/K67ZTE6DBQKV2TAFO3N2S6A6OD","bundle":"https://pith.science/pith/K67ZTE6DBQKV2TAFO3N2S6A6OD/bundle.json","state":"https://pith.science/pith/K67ZTE6DBQKV2TAFO3N2S6A6OD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K67ZTE6DBQKV2TAFO3N2S6A6OD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:K67ZTE6DBQKV2TAFO3N2S6A6OD","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":"576e5e70662fee22ab7a1421a43c4d46f19e1b363e90b0cb2b2084d2369b0f3d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-10-23T11:54:23Z","title_canon_sha256":"44112cd9f821b45608c3f50afcd7b0178e6bdfca8a52ce3db5270340735c8c39"},"schema_version":"1.0","source":{"id":"1810.10308","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.10308","created_at":"2026-07-05T03:01:31Z"},{"alias_kind":"arxiv_version","alias_value":"1810.10308v1","created_at":"2026-07-05T03:01:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10308","created_at":"2026-07-05T03:01:31Z"},{"alias_kind":"pith_short_12","alias_value":"K67ZTE6DBQKV","created_at":"2026-07-05T03:01:31Z"},{"alias_kind":"pith_short_16","alias_value":"K67ZTE6DBQKV2TAF","created_at":"2026-07-05T03:01:31Z"},{"alias_kind":"pith_short_8","alias_value":"K67ZTE6D","created_at":"2026-07-05T03:01:31Z"}],"graph_snapshots":[{"event_id":"sha256:ea1a20aa4b7135bf4fd86280fbeb813e07808451d67592b8dd294e7acdd35c66","target":"graph","created_at":"2026-07-05T03:01:31Z","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/1810.10308/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Publicly available social media archives facilitate research in a variety of fields, such as data science, sociology or the digital humanities, where Twitter has emerged as one of the most prominent sources. However, obtaining, archiving and annotating large amounts of tweets is costly. In this paper, we describe TweetsKB, a publicly available corpus of currently more than 1.5 billion tweets, spanning almost 5 years (Jan'13-Nov'17). Metadata information about the tweets as well as extracted entities, hashtags, user mentions and sentiment information are exposed using established RDF/S vocabula","authors_text":"Eirini Ntoutsi, Pavlos Fafalios, Stefan Dietze, Vasileios Iosifidis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-10-23T11:54:23Z","title":"TweetsKB: A Public and Large-Scale RDF Corpus of Annotated Tweets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10308","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":"sha256:1c60d82b40860f41d748d62d47bb0f3c3eb15bc6fbffffedbee3ba7d9ed73fa1","target":"record","created_at":"2026-07-05T03:01:31Z","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":"576e5e70662fee22ab7a1421a43c4d46f19e1b363e90b0cb2b2084d2369b0f3d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-10-23T11:54:23Z","title_canon_sha256":"44112cd9f821b45608c3f50afcd7b0178e6bdfca8a52ce3db5270340735c8c39"},"schema_version":"1.0","source":{"id":"1810.10308","kind":"arxiv","version":1}},"canonical_sha256":"57bf9993c30c155d4c0576dba9781e70f6c80cdf48c904b49e6377202123fd78","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57bf9993c30c155d4c0576dba9781e70f6c80cdf48c904b49e6377202123fd78","first_computed_at":"2026-07-05T03:01:31.971032Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:01:31.971032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m2AFV9lzWd1Fabaki+DEoS0FCnoShopy04hwujk1s4XtXOJm6ldV2/aaTCyeaGlPfM4y0epmdUQv4sXaUgsvDA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:01:31.971442Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.10308","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c60d82b40860f41d748d62d47bb0f3c3eb15bc6fbffffedbee3ba7d9ed73fa1","sha256:ea1a20aa4b7135bf4fd86280fbeb813e07808451d67592b8dd294e7acdd35c66"],"state_sha256":"14cc4cb20e2a690bfa815a27a2e81e56fd413a83f7a8a70310c7d71836b3bd9b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rsL8nyswiUhD1n2lW72zBT7M/A4IiiuAjUTH6+ESmTcntdnGBuaCU3ea/eewqyaoAF1LlvUsXfhmQc7PzITeCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T07:04:15.047062Z","bundle_sha256":"abac397823565f1c0475992dbde8bd054bc4eb8d6570a06afa230f06898e7534"}}