{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:E6RVFYGP6V53ZTPHAY7OJ2HTXZ","short_pith_number":"pith:E6RVFYGP","canonical_record":{"source":{"id":"2006.12185","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2020-06-22T12:30:42Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"ab5c5586639a026c50a13a3b5a1cafd3cdf636836a335d5c94916e3f6a115162","abstract_canon_sha256":"00417232e9ca87727e088a834b411ed48f2ce7b1a63d504eaf4dd6684f749396"},"schema_version":"1.0"},"canonical_sha256":"27a352e0cff57bbccde7063ee4e8f3be62266c4100d99db7159a1eb0c28364f4","source":{"kind":"arxiv","id":"2006.12185","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.12185","created_at":"2026-07-05T03:00:16Z"},{"alias_kind":"arxiv_version","alias_value":"2006.12185v3","created_at":"2026-07-05T03:00:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.12185","created_at":"2026-07-05T03:00:16Z"},{"alias_kind":"pith_short_12","alias_value":"E6RVFYGP6V53","created_at":"2026-07-05T03:00:16Z"},{"alias_kind":"pith_short_16","alias_value":"E6RVFYGP6V53ZTPH","created_at":"2026-07-05T03:00:16Z"},{"alias_kind":"pith_short_8","alias_value":"E6RVFYGP","created_at":"2026-07-05T03:00:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:E6RVFYGP6V53ZTPHAY7OJ2HTXZ","target":"record","payload":{"canonical_record":{"source":{"id":"2006.12185","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2020-06-22T12:30:42Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"ab5c5586639a026c50a13a3b5a1cafd3cdf636836a335d5c94916e3f6a115162","abstract_canon_sha256":"00417232e9ca87727e088a834b411ed48f2ce7b1a63d504eaf4dd6684f749396"},"schema_version":"1.0"},"canonical_sha256":"27a352e0cff57bbccde7063ee4e8f3be62266c4100d99db7159a1eb0c28364f4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:00:16.957361Z","signature_b64":"w+fpuxe/fnIC9URXa6IkZDOVAM4Vd0vdN3Ora5aQEd6SyB7RnPaEoWR6PFCPuQtzwmImcexbUna3EdEi777qAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"27a352e0cff57bbccde7063ee4e8f3be62266c4100d99db7159a1eb0c28364f4","last_reissued_at":"2026-07-05T03:00:16.956862Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:00:16.956862Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.12185","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:00:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vQYSvC52rGG8MhKxxDiPFijxe0GtyDLh1CARkm7cs+k0fcEXUaBdNYCwYZcWdSlKd0DT9E2X7tqyLrjHsaEGAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:51:06.947118Z"},"content_sha256":"6c1b3966416bc7a276c079c287121a7daaae2bff613eefe7303bf06f8974b0f3","schema_version":"1.0","event_id":"sha256:6c1b3966416bc7a276c079c287121a7daaae2bff613eefe7303bf06f8974b0f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:E6RVFYGP6V53ZTPHAY7OJ2HTXZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Examination of Community Sentiment Dynamics due to COVID-19 Pandemic: A Case Study from A State in Australia","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CL"],"primary_cat":"cs.SI","authors_text":"Chun Xiao, Fang Chen, Jianlong Zhou, Shuiqiao Yang","submitted_at":"2020-06-22T12:30:42Z","abstract_excerpt":"The outbreak of the novel Coronavirus Disease 2019 (COVID-19) has caused unprecedented impacts to people's daily life around the world. Various measures and policies such as lockdown and social-distancing are implemented by governments to combat the disease during the pandemic period. These measures and policies as well as virus itself may cause different mental health issues to people such as depression, anxiety, sadness, etc. In this paper, we exploit the massive text data posted by Twitter users to analyse the sentiment dynamics of people living in the state of New South Wales (NSW) in Aust"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.12185","kind":"arxiv","version":3},"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/2006.12185/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":"2026-07-05T03:00:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S45aFhvVrkcbr1Z7YSHQ3RbltZkxOLlXpBIFUz/xqzOMT5fR1UcIMnCHFrU7PZSoeVCNAOLEGfhn60CM1Cz4Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:51:06.947544Z"},"content_sha256":"20168e1b331be4f0e3152c3d5cb36baf8656fbedb5b9083f9ab780afeff239cc","schema_version":"1.0","event_id":"sha256:20168e1b331be4f0e3152c3d5cb36baf8656fbedb5b9083f9ab780afeff239cc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E6RVFYGP6V53ZTPHAY7OJ2HTXZ/bundle.json","state_url":"https://pith.science/pith/E6RVFYGP6V53ZTPHAY7OJ2HTXZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E6RVFYGP6V53ZTPHAY7OJ2HTXZ/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":"2026-07-07T15:51:06Z","links":{"resolver":"https://pith.science/pith/E6RVFYGP6V53ZTPHAY7OJ2HTXZ","bundle":"https://pith.science/pith/E6RVFYGP6V53ZTPHAY7OJ2HTXZ/bundle.json","state":"https://pith.science/pith/E6RVFYGP6V53ZTPHAY7OJ2HTXZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E6RVFYGP6V53ZTPHAY7OJ2HTXZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:E6RVFYGP6V53ZTPHAY7OJ2HTXZ","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":"00417232e9ca87727e088a834b411ed48f2ce7b1a63d504eaf4dd6684f749396","cross_cats_sorted":["cs.CL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2020-06-22T12:30:42Z","title_canon_sha256":"ab5c5586639a026c50a13a3b5a1cafd3cdf636836a335d5c94916e3f6a115162"},"schema_version":"1.0","source":{"id":"2006.12185","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.12185","created_at":"2026-07-05T03:00:16Z"},{"alias_kind":"arxiv_version","alias_value":"2006.12185v3","created_at":"2026-07-05T03:00:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.12185","created_at":"2026-07-05T03:00:16Z"},{"alias_kind":"pith_short_12","alias_value":"E6RVFYGP6V53","created_at":"2026-07-05T03:00:16Z"},{"alias_kind":"pith_short_16","alias_value":"E6RVFYGP6V53ZTPH","created_at":"2026-07-05T03:00:16Z"},{"alias_kind":"pith_short_8","alias_value":"E6RVFYGP","created_at":"2026-07-05T03:00:16Z"}],"graph_snapshots":[{"event_id":"sha256:20168e1b331be4f0e3152c3d5cb36baf8656fbedb5b9083f9ab780afeff239cc","target":"graph","created_at":"2026-07-05T03:00:16Z","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/2006.12185/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The outbreak of the novel Coronavirus Disease 2019 (COVID-19) has caused unprecedented impacts to people's daily life around the world. Various measures and policies such as lockdown and social-distancing are implemented by governments to combat the disease during the pandemic period. These measures and policies as well as virus itself may cause different mental health issues to people such as depression, anxiety, sadness, etc. In this paper, we exploit the massive text data posted by Twitter users to analyse the sentiment dynamics of people living in the state of New South Wales (NSW) in Aust","authors_text":"Chun Xiao, Fang Chen, Jianlong Zhou, Shuiqiao Yang","cross_cats":["cs.CL"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2020-06-22T12:30:42Z","title":"Examination of Community Sentiment Dynamics due to COVID-19 Pandemic: A Case Study from A State in Australia"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.12185","kind":"arxiv","version":3},"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":"sha256:6c1b3966416bc7a276c079c287121a7daaae2bff613eefe7303bf06f8974b0f3","target":"record","created_at":"2026-07-05T03:00:16Z","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":"00417232e9ca87727e088a834b411ed48f2ce7b1a63d504eaf4dd6684f749396","cross_cats_sorted":["cs.CL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2020-06-22T12:30:42Z","title_canon_sha256":"ab5c5586639a026c50a13a3b5a1cafd3cdf636836a335d5c94916e3f6a115162"},"schema_version":"1.0","source":{"id":"2006.12185","kind":"arxiv","version":3}},"canonical_sha256":"27a352e0cff57bbccde7063ee4e8f3be62266c4100d99db7159a1eb0c28364f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27a352e0cff57bbccde7063ee4e8f3be62266c4100d99db7159a1eb0c28364f4","first_computed_at":"2026-07-05T03:00:16.956862Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:00:16.956862Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w+fpuxe/fnIC9URXa6IkZDOVAM4Vd0vdN3Ora5aQEd6SyB7RnPaEoWR6PFCPuQtzwmImcexbUna3EdEi777qAw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:00:16.957361Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.12185","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c1b3966416bc7a276c079c287121a7daaae2bff613eefe7303bf06f8974b0f3","sha256:20168e1b331be4f0e3152c3d5cb36baf8656fbedb5b9083f9ab780afeff239cc"],"state_sha256":"c7f6bb2924a4a3a58276840bc643bebc21a70a4b53ebcf369eed9fa9dbdeb47a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LVaRlaMRRloBcDXGZku6MZxWNGIBko0BQBAYGFLBKcoiAwhAh+/W6wG8kLvuSWi4me13d7YrwjrKGkaepjWlDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T15:51:06.949440Z","bundle_sha256":"d62fb2f366f2610115ecb948b4ab294afe94424d63f5f2aa44489a44cfaa3a9b"}}