{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:OGHHPQZRH6WN6EWSGCWUNPVMI3","short_pith_number":"pith:OGHHPQZR","canonical_record":{"source":{"id":"2011.06149","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2020-11-12T01:17:49Z","cross_cats_sorted":[],"title_canon_sha256":"bdd9c1145ae82af53fbee94876fc67512f80fbcc629adba230a370d3e6055c7d","abstract_canon_sha256":"95a5c1554a62bd81b6d2e88039ab07b267b484a41e2f4c857ac240e330ce7a0f"},"schema_version":"1.0"},"canonical_sha256":"718e77c3313facdf12d230ad46beac46d7699b52446c29ed3a781609d8738042","source":{"kind":"arxiv","id":"2011.06149","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.06149","created_at":"2026-07-05T01:51:12Z"},{"alias_kind":"arxiv_version","alias_value":"2011.06149v1","created_at":"2026-07-05T01:51:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.06149","created_at":"2026-07-05T01:51:12Z"},{"alias_kind":"pith_short_12","alias_value":"OGHHPQZRH6WN","created_at":"2026-07-05T01:51:12Z"},{"alias_kind":"pith_short_16","alias_value":"OGHHPQZRH6WN6EWS","created_at":"2026-07-05T01:51:12Z"},{"alias_kind":"pith_short_8","alias_value":"OGHHPQZR","created_at":"2026-07-05T01:51:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:OGHHPQZRH6WN6EWSGCWUNPVMI3","target":"record","payload":{"canonical_record":{"source":{"id":"2011.06149","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2020-11-12T01:17:49Z","cross_cats_sorted":[],"title_canon_sha256":"bdd9c1145ae82af53fbee94876fc67512f80fbcc629adba230a370d3e6055c7d","abstract_canon_sha256":"95a5c1554a62bd81b6d2e88039ab07b267b484a41e2f4c857ac240e330ce7a0f"},"schema_version":"1.0"},"canonical_sha256":"718e77c3313facdf12d230ad46beac46d7699b52446c29ed3a781609d8738042","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:51:12.315016Z","signature_b64":"SgS443B8E9qWKxVkYf2e+w/YCyjRsaiMAG2a14zKyCUBjkz1pAr1itkKEFRGK8z5B3YNtllvL2/yDpfcjif9BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"718e77c3313facdf12d230ad46beac46d7699b52446c29ed3a781609d8738042","last_reissued_at":"2026-07-05T01:51:12.314625Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:51:12.314625Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2011.06149","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":"2026-07-05T01:51:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CehnXNTauMEsjVTszf3jxCDGCOIY+P6I20jCzPomMwZE0c0tQUVcCn3ybELXdWlVsuI3TqdcV4TpqvyurOp/Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T22:05:36.589747Z"},"content_sha256":"68017e4cd9b7009fefb07caeda8ed166a52f440ba477244b0191463c14ff4bd2","schema_version":"1.0","event_id":"sha256:68017e4cd9b7009fefb07caeda8ed166a52f440ba477244b0191463c14ff4bd2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:OGHHPQZRH6WN6EWSGCWUNPVMI3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Identifying Depressive Symptoms from Tweets: Figurative Language Enabled Multitask Learning Framework","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Amit Sheth, Jainish Chauhan, Jeremiah Schumm, Joy Prakash Sain, Krishnaprasad Thirunarayan, Shweta Yadav","submitted_at":"2020-11-12T01:17:49Z","abstract_excerpt":"Existing studies on using social media for deriving mental health status of users focus on the depression detection task. However, for case management and referral to psychiatrists, healthcare workers require practical and scalable depressive disorder screening and triage system. This study aims to design and evaluate a decision support system (DSS) to reliably determine the depressive triage level by capturing fine-grained depressive symptoms expressed in user tweets through the emulation of Patient Health Questionnaire-9 (PHQ-9) that is routinely used in clinical practice. The reliable detec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.06149","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/2011.06149/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":"2026-07-05T01:51:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yj+kbfb9FVbq+KyrWOkb35UUkpJzC8Qn01D9DPTtAr548c+ZnTjWWhX2cGRy4up3b8fcC/XC3z8Vcg4dbCNWCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T22:05:36.590125Z"},"content_sha256":"dd51fc909b5d0cb2fb957f539e3ac4836d886583cf0225417653ee5f3946c648","schema_version":"1.0","event_id":"sha256:dd51fc909b5d0cb2fb957f539e3ac4836d886583cf0225417653ee5f3946c648"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OGHHPQZRH6WN6EWSGCWUNPVMI3/bundle.json","state_url":"https://pith.science/pith/OGHHPQZRH6WN6EWSGCWUNPVMI3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OGHHPQZRH6WN6EWSGCWUNPVMI3/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":"2026-08-11T22:05:36Z","links":{"resolver":"https://pith.science/pith/OGHHPQZRH6WN6EWSGCWUNPVMI3","bundle":"https://pith.science/pith/OGHHPQZRH6WN6EWSGCWUNPVMI3/bundle.json","state":"https://pith.science/pith/OGHHPQZRH6WN6EWSGCWUNPVMI3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OGHHPQZRH6WN6EWSGCWUNPVMI3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:OGHHPQZRH6WN6EWSGCWUNPVMI3","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":"95a5c1554a62bd81b6d2e88039ab07b267b484a41e2f4c857ac240e330ce7a0f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2020-11-12T01:17:49Z","title_canon_sha256":"bdd9c1145ae82af53fbee94876fc67512f80fbcc629adba230a370d3e6055c7d"},"schema_version":"1.0","source":{"id":"2011.06149","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.06149","created_at":"2026-07-05T01:51:12Z"},{"alias_kind":"arxiv_version","alias_value":"2011.06149v1","created_at":"2026-07-05T01:51:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.06149","created_at":"2026-07-05T01:51:12Z"},{"alias_kind":"pith_short_12","alias_value":"OGHHPQZRH6WN","created_at":"2026-07-05T01:51:12Z"},{"alias_kind":"pith_short_16","alias_value":"OGHHPQZRH6WN6EWS","created_at":"2026-07-05T01:51:12Z"},{"alias_kind":"pith_short_8","alias_value":"OGHHPQZR","created_at":"2026-07-05T01:51:12Z"}],"graph_snapshots":[{"event_id":"sha256:dd51fc909b5d0cb2fb957f539e3ac4836d886583cf0225417653ee5f3946c648","target":"graph","created_at":"2026-07-05T01:51:12Z","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/2011.06149/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Existing studies on using social media for deriving mental health status of users focus on the depression detection task. However, for case management and referral to psychiatrists, healthcare workers require practical and scalable depressive disorder screening and triage system. This study aims to design and evaluate a decision support system (DSS) to reliably determine the depressive triage level by capturing fine-grained depressive symptoms expressed in user tweets through the emulation of Patient Health Questionnaire-9 (PHQ-9) that is routinely used in clinical practice. The reliable detec","authors_text":"Amit Sheth, Jainish Chauhan, Jeremiah Schumm, Joy Prakash Sain, Krishnaprasad Thirunarayan, Shweta Yadav","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2020-11-12T01:17:49Z","title":"Identifying Depressive Symptoms from Tweets: Figurative Language Enabled Multitask Learning Framework"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.06149","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":"sha256:68017e4cd9b7009fefb07caeda8ed166a52f440ba477244b0191463c14ff4bd2","target":"record","created_at":"2026-07-05T01:51:12Z","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":"95a5c1554a62bd81b6d2e88039ab07b267b484a41e2f4c857ac240e330ce7a0f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2020-11-12T01:17:49Z","title_canon_sha256":"bdd9c1145ae82af53fbee94876fc67512f80fbcc629adba230a370d3e6055c7d"},"schema_version":"1.0","source":{"id":"2011.06149","kind":"arxiv","version":1}},"canonical_sha256":"718e77c3313facdf12d230ad46beac46d7699b52446c29ed3a781609d8738042","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"718e77c3313facdf12d230ad46beac46d7699b52446c29ed3a781609d8738042","first_computed_at":"2026-07-05T01:51:12.314625Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:51:12.314625Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SgS443B8E9qWKxVkYf2e+w/YCyjRsaiMAG2a14zKyCUBjkz1pAr1itkKEFRGK8z5B3YNtllvL2/yDpfcjif9BA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:51:12.315016Z","signed_message":"canonical_sha256_bytes"},"source_id":"2011.06149","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68017e4cd9b7009fefb07caeda8ed166a52f440ba477244b0191463c14ff4bd2","sha256:dd51fc909b5d0cb2fb957f539e3ac4836d886583cf0225417653ee5f3946c648"],"state_sha256":"2353b8a71effa6d5df71a61acedcaded42e806cbe64fa987c97f1f7c93518562"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jo20HvZnXnoGaw0W0kOyD6pJu0WVRETp2DLBeHIfpe2pYAmbi1ZMa4ebMBoDTJ8NuMIt0XoPeHrsN/SpmEpLBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T22:05:36.592663Z","bundle_sha256":"e5394c3f112ce0763efea4f5c67ab4263f7628fd1d9c4aa60495dfd72401e173"}}