{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:ZCDD4FEZGGXIA73JEDYXIBMROY","short_pith_number":"pith:ZCDD4FEZ","canonical_record":{"source":{"id":"1603.04010","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-03-13T08:39:19Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"75c97b00713b6d4dde5f5c8870d3822501041a7740cd0183f85f2ee2c8d68312","abstract_canon_sha256":"3da48b03a30a0b903afafbeaf7434f9f3154fc1a1cf11dffb3497ec44b74a3fa"},"schema_version":"1.0"},"canonical_sha256":"c8863e149931ae807f6920f174059176241b230339cbc51d303395964c9f2b93","source":{"kind":"arxiv","id":"1603.04010","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.04010","created_at":"2026-05-18T01:19:09Z"},{"alias_kind":"arxiv_version","alias_value":"1603.04010v1","created_at":"2026-05-18T01:19:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.04010","created_at":"2026-05-18T01:19:09Z"},{"alias_kind":"pith_short_12","alias_value":"ZCDD4FEZGGXI","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZCDD4FEZGGXIA73J","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZCDD4FEZ","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:ZCDD4FEZGGXIA73JEDYXIBMROY","target":"record","payload":{"canonical_record":{"source":{"id":"1603.04010","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-03-13T08:39:19Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"75c97b00713b6d4dde5f5c8870d3822501041a7740cd0183f85f2ee2c8d68312","abstract_canon_sha256":"3da48b03a30a0b903afafbeaf7434f9f3154fc1a1cf11dffb3497ec44b74a3fa"},"schema_version":"1.0"},"canonical_sha256":"c8863e149931ae807f6920f174059176241b230339cbc51d303395964c9f2b93","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:09.726444Z","signature_b64":"ADp6+R/lZUQdNUw6n3mudJO7xEOC4xpQKJifC/RpKV1dKmFPQhi5oHHsFDRYJ2FpmSqNkCukplI7PsoM8dg+Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c8863e149931ae807f6920f174059176241b230339cbc51d303395964c9f2b93","last_reissued_at":"2026-05-18T01:19:09.725655Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:09.725655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.04010","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":"2026-05-18T01:19:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F2QAdX3Ka5iXa4GHNfb8L142JaLcPgAVq7b6ZAmj3omeepJViYc/fszFD/zq46KALB/t8X4rfxchL9bd/mCOAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:16:19.494875Z"},"content_sha256":"d963c5dd0d386d1a921a4ff24edd294cb637f1f0fa82659fc5e434b7e375f39b","schema_version":"1.0","event_id":"sha256:d963c5dd0d386d1a921a4ff24edd294cb637f1f0fa82659fc5e434b7e375f39b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:ZCDD4FEZGGXIA73JEDYXIBMROY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Using Twitter to Understand Public Interest in Climate Change: The case of Qatar","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY"],"primary_cat":"cs.SI","authors_text":"Javier Borge-Holthoefer, Laure Berti-Equille, Sofiane Abbar, Tahar Zanouda","submitted_at":"2016-03-13T08:39:19Z","abstract_excerpt":"Climate change has received an extensive attention from public opinion in the last couple of years, after being considered for decades as an exclusive scientific debate. Governments and world-wide organizations such as the United Nations are working more than ever on raising and maintaining public awareness toward this global issue. In the present study, we examine and analyze Climate Change conversations in Qatar's Twittersphere, and sense public awareness towards this global and shared problem in general, and its various related topics in particular. Such topics include but are not limited t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.04010","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":"2026-05-18T01:19:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e/h7DE8bENPBpvBOHkTT87QVgcKfeXctk44snF/fWX09iBs72z0dnU8puOUnF1kJGr3XMgegsNPDzKD2brIhDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:16:19.495542Z"},"content_sha256":"dd074a7818a89e094604389adf34c8d7ca103809035ac6aea74b3735370af927","schema_version":"1.0","event_id":"sha256:dd074a7818a89e094604389adf34c8d7ca103809035ac6aea74b3735370af927"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZCDD4FEZGGXIA73JEDYXIBMROY/bundle.json","state_url":"https://pith.science/pith/ZCDD4FEZGGXIA73JEDYXIBMROY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZCDD4FEZGGXIA73JEDYXIBMROY/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":"2026-05-27T22:16:19Z","links":{"resolver":"https://pith.science/pith/ZCDD4FEZGGXIA73JEDYXIBMROY","bundle":"https://pith.science/pith/ZCDD4FEZGGXIA73JEDYXIBMROY/bundle.json","state":"https://pith.science/pith/ZCDD4FEZGGXIA73JEDYXIBMROY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZCDD4FEZGGXIA73JEDYXIBMROY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:ZCDD4FEZGGXIA73JEDYXIBMROY","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":"3da48b03a30a0b903afafbeaf7434f9f3154fc1a1cf11dffb3497ec44b74a3fa","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-03-13T08:39:19Z","title_canon_sha256":"75c97b00713b6d4dde5f5c8870d3822501041a7740cd0183f85f2ee2c8d68312"},"schema_version":"1.0","source":{"id":"1603.04010","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.04010","created_at":"2026-05-18T01:19:09Z"},{"alias_kind":"arxiv_version","alias_value":"1603.04010v1","created_at":"2026-05-18T01:19:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.04010","created_at":"2026-05-18T01:19:09Z"},{"alias_kind":"pith_short_12","alias_value":"ZCDD4FEZGGXI","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZCDD4FEZGGXIA73J","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZCDD4FEZ","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:dd074a7818a89e094604389adf34c8d7ca103809035ac6aea74b3735370af927","target":"graph","created_at":"2026-05-18T01:19:09Z","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":"Climate change has received an extensive attention from public opinion in the last couple of years, after being considered for decades as an exclusive scientific debate. Governments and world-wide organizations such as the United Nations are working more than ever on raising and maintaining public awareness toward this global issue. In the present study, we examine and analyze Climate Change conversations in Qatar's Twittersphere, and sense public awareness towards this global and shared problem in general, and its various related topics in particular. Such topics include but are not limited t","authors_text":"Javier Borge-Holthoefer, Laure Berti-Equille, Sofiane Abbar, Tahar Zanouda","cross_cats":["cs.CY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-03-13T08:39:19Z","title":"Using Twitter to Understand Public Interest in Climate Change: The case of Qatar"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.04010","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:d963c5dd0d386d1a921a4ff24edd294cb637f1f0fa82659fc5e434b7e375f39b","target":"record","created_at":"2026-05-18T01:19:09Z","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":"3da48b03a30a0b903afafbeaf7434f9f3154fc1a1cf11dffb3497ec44b74a3fa","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-03-13T08:39:19Z","title_canon_sha256":"75c97b00713b6d4dde5f5c8870d3822501041a7740cd0183f85f2ee2c8d68312"},"schema_version":"1.0","source":{"id":"1603.04010","kind":"arxiv","version":1}},"canonical_sha256":"c8863e149931ae807f6920f174059176241b230339cbc51d303395964c9f2b93","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c8863e149931ae807f6920f174059176241b230339cbc51d303395964c9f2b93","first_computed_at":"2026-05-18T01:19:09.725655Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:09.725655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ADp6+R/lZUQdNUw6n3mudJO7xEOC4xpQKJifC/RpKV1dKmFPQhi5oHHsFDRYJ2FpmSqNkCukplI7PsoM8dg+Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:09.726444Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.04010","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d963c5dd0d386d1a921a4ff24edd294cb637f1f0fa82659fc5e434b7e375f39b","sha256:dd074a7818a89e094604389adf34c8d7ca103809035ac6aea74b3735370af927"],"state_sha256":"3bd97063f9ee77e91386c8b4d15d3756262400ec3d0655952edb76fcd038b771"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kz1/5or2Ni7xoN6K9PkklKcM1wC8lndwR3f5SphHBCFT7roTlQhOmpLHiMVI7bRVbMhOdml/dOEKhlmkzq9SDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T22:16:19.498815Z","bundle_sha256":"b5fc2af2beb9b2ef83da67d22437d18710c52f04bc87a6948398859603fe5e19"}}