{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:FTESE5DT2AZFQJ3DZ3R2VNWYPP","short_pith_number":"pith:FTESE5DT","canonical_record":{"source":{"id":"1610.07772","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-10-25T07:56:43Z","cross_cats_sorted":[],"title_canon_sha256":"58f9923c8042a0c15f0b69d822040d95f26a5992bcbaa2da57d6f197ece460a5","abstract_canon_sha256":"2ac2b980d4f06d2f95b07db3badd31ac06bc06a1a0c8656eee17710ea129c5ea"},"schema_version":"1.0"},"canonical_sha256":"2cc9227473d032582763cee3aab6d87be5a20b0354e63712e0436bfa96a6f2f9","source":{"kind":"arxiv","id":"1610.07772","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.07772","created_at":"2026-05-18T01:01:17Z"},{"alias_kind":"arxiv_version","alias_value":"1610.07772v1","created_at":"2026-05-18T01:01:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.07772","created_at":"2026-05-18T01:01:17Z"},{"alias_kind":"pith_short_12","alias_value":"FTESE5DT2AZF","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FTESE5DT2AZFQJ3D","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FTESE5DT","created_at":"2026-05-18T12:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:FTESE5DT2AZFQJ3DZ3R2VNWYPP","target":"record","payload":{"canonical_record":{"source":{"id":"1610.07772","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-10-25T07:56:43Z","cross_cats_sorted":[],"title_canon_sha256":"58f9923c8042a0c15f0b69d822040d95f26a5992bcbaa2da57d6f197ece460a5","abstract_canon_sha256":"2ac2b980d4f06d2f95b07db3badd31ac06bc06a1a0c8656eee17710ea129c5ea"},"schema_version":"1.0"},"canonical_sha256":"2cc9227473d032582763cee3aab6d87be5a20b0354e63712e0436bfa96a6f2f9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:01:17.621696Z","signature_b64":"c3P+K7b4T5tREed9H3JdFHzjpREoaAfeZsOvcOC0bxfMVUwiQ6sEGVlraCztpoXwcOgRDv5GnkoRhC0OJ9FdBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2cc9227473d032582763cee3aab6d87be5a20b0354e63712e0436bfa96a6f2f9","last_reissued_at":"2026-05-18T01:01:17.621115Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:01:17.621115Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.07772","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":"2026-05-18T01:01:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QP56CKYB5mZbqhr9J0hKh0kF2YMD0p98b1jTkOELdGbeczNu6QLJRh/ijRlRMvG0u2+pLiNUpNkhFcdYpEGBDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T17:39:29.165302Z"},"content_sha256":"245f83eef3c238c0494961aa6d0ce34a720cf85c5fbe827b21f196177e45e09f","schema_version":"1.0","event_id":"sha256:245f83eef3c238c0494961aa6d0ce34a720cf85c5fbe827b21f196177e45e09f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:FTESE5DT2AZFQJ3DZ3R2VNWYPP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Visual Themes and Sentiment on Social Networks To Aid First Responders During Crisis Events","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SI","authors_text":"Aditi Mithal, Anshuman Suri, Ponnurangam Kumaraguru, Prateek Dewan, Varun Bharadhwaj","submitted_at":"2016-10-25T07:56:43Z","abstract_excerpt":"Online Social Networks explode with activity whenever a crisis event takes place. Most content generated as part of this activity is a mixture of text and images, and is particularly useful for first responders to identify popular topics of interest and gauge the pulse and sentiment of citizens. While multiple researchers have used text to identify, analyze and measure themes and public sentiment during such events, little work has explored visual themes floating on networks in the form of images, and the sentiment inspired by them. Given the potential of visual content for influencing users' "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.07772","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":"2026-05-18T01:01:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6eqihMpeGhMNZP8vE2N+MxVixURZJ+eMq9on146CM1Tr/+QQDFan+Qm7ztbNELnysNd99RDrycVIZFDPsQrpAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T17:39:29.165669Z"},"content_sha256":"6689d9e7930cbc62788e0cdf51e75b346c9fcf0792ddcf7904644ce548c5db97","schema_version":"1.0","event_id":"sha256:6689d9e7930cbc62788e0cdf51e75b346c9fcf0792ddcf7904644ce548c5db97"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FTESE5DT2AZFQJ3DZ3R2VNWYPP/bundle.json","state_url":"https://pith.science/pith/FTESE5DT2AZFQJ3DZ3R2VNWYPP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FTESE5DT2AZFQJ3DZ3R2VNWYPP/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":"2026-06-22T17:39:29Z","links":{"resolver":"https://pith.science/pith/FTESE5DT2AZFQJ3DZ3R2VNWYPP","bundle":"https://pith.science/pith/FTESE5DT2AZFQJ3DZ3R2VNWYPP/bundle.json","state":"https://pith.science/pith/FTESE5DT2AZFQJ3DZ3R2VNWYPP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FTESE5DT2AZFQJ3DZ3R2VNWYPP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:FTESE5DT2AZFQJ3DZ3R2VNWYPP","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":"2ac2b980d4f06d2f95b07db3badd31ac06bc06a1a0c8656eee17710ea129c5ea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-10-25T07:56:43Z","title_canon_sha256":"58f9923c8042a0c15f0b69d822040d95f26a5992bcbaa2da57d6f197ece460a5"},"schema_version":"1.0","source":{"id":"1610.07772","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.07772","created_at":"2026-05-18T01:01:17Z"},{"alias_kind":"arxiv_version","alias_value":"1610.07772v1","created_at":"2026-05-18T01:01:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.07772","created_at":"2026-05-18T01:01:17Z"},{"alias_kind":"pith_short_12","alias_value":"FTESE5DT2AZF","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FTESE5DT2AZFQJ3D","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FTESE5DT","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:6689d9e7930cbc62788e0cdf51e75b346c9fcf0792ddcf7904644ce548c5db97","target":"graph","created_at":"2026-05-18T01:01:17Z","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":"Online Social Networks explode with activity whenever a crisis event takes place. Most content generated as part of this activity is a mixture of text and images, and is particularly useful for first responders to identify popular topics of interest and gauge the pulse and sentiment of citizens. While multiple researchers have used text to identify, analyze and measure themes and public sentiment during such events, little work has explored visual themes floating on networks in the form of images, and the sentiment inspired by them. Given the potential of visual content for influencing users' ","authors_text":"Aditi Mithal, Anshuman Suri, Ponnurangam Kumaraguru, Prateek Dewan, Varun Bharadhwaj","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-10-25T07:56:43Z","title":"Visual Themes and Sentiment on Social Networks To Aid First Responders During Crisis Events"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.07772","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":"sha256:245f83eef3c238c0494961aa6d0ce34a720cf85c5fbe827b21f196177e45e09f","target":"record","created_at":"2026-05-18T01:01:17Z","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":"2ac2b980d4f06d2f95b07db3badd31ac06bc06a1a0c8656eee17710ea129c5ea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-10-25T07:56:43Z","title_canon_sha256":"58f9923c8042a0c15f0b69d822040d95f26a5992bcbaa2da57d6f197ece460a5"},"schema_version":"1.0","source":{"id":"1610.07772","kind":"arxiv","version":1}},"canonical_sha256":"2cc9227473d032582763cee3aab6d87be5a20b0354e63712e0436bfa96a6f2f9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2cc9227473d032582763cee3aab6d87be5a20b0354e63712e0436bfa96a6f2f9","first_computed_at":"2026-05-18T01:01:17.621115Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:01:17.621115Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c3P+K7b4T5tREed9H3JdFHzjpREoaAfeZsOvcOC0bxfMVUwiQ6sEGVlraCztpoXwcOgRDv5GnkoRhC0OJ9FdBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:01:17.621696Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.07772","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:245f83eef3c238c0494961aa6d0ce34a720cf85c5fbe827b21f196177e45e09f","sha256:6689d9e7930cbc62788e0cdf51e75b346c9fcf0792ddcf7904644ce548c5db97"],"state_sha256":"dfbf61f6f4e391e02ad2ad6e343430662a7f6725c0e973445e2fc17864885e5a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0Okmt3Ah95UsDlLd3pzShbGwRcjpdBcNO5s9+WkSHV/flmgyZvWoABtJ7zvOgbUv8wWbjClsuqPjM7FdEUfMBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T17:39:29.167561Z","bundle_sha256":"bba2cec18a5f25c7aca18aaa4eab2750ef6412b5ec024949842fa8ce97423b0c"}}