{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:ZHZNAO7BZ53SYRYIWVF4FDELWA","short_pith_number":"pith:ZHZNAO7B","canonical_record":{"source":{"id":"2508.10222","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-08-13T22:17:00Z","cross_cats_sorted":["cs.AI","cs.LG","cs.NE"],"title_canon_sha256":"38c1d23d8a133716d0f002596768aaf2139328a55ef280be9736ed6b9e8808ac","abstract_canon_sha256":"2ecb2d3e899e7a25535ad9d6150f10424fa77897a676f99c9a0b76f94a721532"},"schema_version":"1.0"},"canonical_sha256":"c9f2d03be1cf772c4708b54bc28c8bb036024c008f7243793f7d0a2be5410e24","source":{"kind":"arxiv","id":"2508.10222","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.10222","created_at":"2026-07-05T11:53:51Z"},{"alias_kind":"arxiv_version","alias_value":"2508.10222v1","created_at":"2026-07-05T11:53:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.10222","created_at":"2026-07-05T11:53:51Z"},{"alias_kind":"pith_short_12","alias_value":"ZHZNAO7BZ53S","created_at":"2026-07-05T11:53:51Z"},{"alias_kind":"pith_short_16","alias_value":"ZHZNAO7BZ53SYRYI","created_at":"2026-07-05T11:53:51Z"},{"alias_kind":"pith_short_8","alias_value":"ZHZNAO7B","created_at":"2026-07-05T11:53:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:ZHZNAO7BZ53SYRYIWVF4FDELWA","target":"record","payload":{"canonical_record":{"source":{"id":"2508.10222","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-08-13T22:17:00Z","cross_cats_sorted":["cs.AI","cs.LG","cs.NE"],"title_canon_sha256":"38c1d23d8a133716d0f002596768aaf2139328a55ef280be9736ed6b9e8808ac","abstract_canon_sha256":"2ecb2d3e899e7a25535ad9d6150f10424fa77897a676f99c9a0b76f94a721532"},"schema_version":"1.0"},"canonical_sha256":"c9f2d03be1cf772c4708b54bc28c8bb036024c008f7243793f7d0a2be5410e24","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:53:51.577992Z","signature_b64":"vMhDDr895BVbmPcxhjT5irdgww2C/nXDUSRzPczA30P9oXm/W9O46dZNT/CDLGs/bPVfWnlIVXt2xZu4VJzuBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9f2d03be1cf772c4708b54bc28c8bb036024c008f7243793f7d0a2be5410e24","last_reissued_at":"2026-07-05T11:53:51.577513Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:53:51.577513Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.10222","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":"2026-07-05T11:53:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pNl1HQ6W/7o48Ug0iuiJJASo12RdoAdMvUd+ZycSpzXqw5uiUn7bHBdaaPCJj6QQWQmQX78G4GOzofKHaUlQCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T18:33:19.959913Z"},"content_sha256":"5704cc4284c431d128384e5e76b816df22383cdbff2a52577e877b3796f597b4","schema_version":"1.0","event_id":"sha256:5704cc4284c431d128384e5e76b816df22383cdbff2a52577e877b3796f597b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:ZHZNAO7BZ53SYRYIWVF4FDELWA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Understanding Textual Emotion Through Emoji Prediction","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI","cs.LG","cs.NE"],"primary_cat":"cs.CL","authors_text":"Ethan Gordon, Nishank Kuppa, Rigved Tummala, Sriram Anasuri","submitted_at":"2025-08-13T22:17:00Z","abstract_excerpt":"This project explores emoji prediction from short text sequences using four deep learning architectures: a feed-forward network, CNN, transformer, and BERT. Using the TweetEval dataset, we address class imbalance through focal loss and regularization techniques. Results show BERT achieves the highest overall performance due to its pre-training advantage, while CNN demonstrates superior efficacy on rare emoji classes. This research shows the importance of architecture selection and hyperparameter tuning for sentiment-aware emoji prediction, contributing to improved human-computer interaction."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.10222","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/2508.10222/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":"2026-07-05T11:53:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5oKynnOtxU+ZosfMsJSl9/bW4vIfx5gMc0hRfsxLhnM0lo5qDBbLZR6rmdHzQhqC5fjGsKzgai66J91aw7C1Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T18:33:19.960852Z"},"content_sha256":"74c0a060dbc785be5d14d78a130877a872c53eb5d8e64d118f0811791a4f8b59","schema_version":"1.0","event_id":"sha256:74c0a060dbc785be5d14d78a130877a872c53eb5d8e64d118f0811791a4f8b59"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZHZNAO7BZ53SYRYIWVF4FDELWA/bundle.json","state_url":"https://pith.science/pith/ZHZNAO7BZ53SYRYIWVF4FDELWA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZHZNAO7BZ53SYRYIWVF4FDELWA/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":"2026-08-11T18:33:19Z","links":{"resolver":"https://pith.science/pith/ZHZNAO7BZ53SYRYIWVF4FDELWA","bundle":"https://pith.science/pith/ZHZNAO7BZ53SYRYIWVF4FDELWA/bundle.json","state":"https://pith.science/pith/ZHZNAO7BZ53SYRYIWVF4FDELWA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZHZNAO7BZ53SYRYIWVF4FDELWA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ZHZNAO7BZ53SYRYIWVF4FDELWA","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":"2ecb2d3e899e7a25535ad9d6150f10424fa77897a676f99c9a0b76f94a721532","cross_cats_sorted":["cs.AI","cs.LG","cs.NE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-08-13T22:17:00Z","title_canon_sha256":"38c1d23d8a133716d0f002596768aaf2139328a55ef280be9736ed6b9e8808ac"},"schema_version":"1.0","source":{"id":"2508.10222","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.10222","created_at":"2026-07-05T11:53:51Z"},{"alias_kind":"arxiv_version","alias_value":"2508.10222v1","created_at":"2026-07-05T11:53:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.10222","created_at":"2026-07-05T11:53:51Z"},{"alias_kind":"pith_short_12","alias_value":"ZHZNAO7BZ53S","created_at":"2026-07-05T11:53:51Z"},{"alias_kind":"pith_short_16","alias_value":"ZHZNAO7BZ53SYRYI","created_at":"2026-07-05T11:53:51Z"},{"alias_kind":"pith_short_8","alias_value":"ZHZNAO7B","created_at":"2026-07-05T11:53:51Z"}],"graph_snapshots":[{"event_id":"sha256:74c0a060dbc785be5d14d78a130877a872c53eb5d8e64d118f0811791a4f8b59","target":"graph","created_at":"2026-07-05T11:53:51Z","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/2508.10222/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This project explores emoji prediction from short text sequences using four deep learning architectures: a feed-forward network, CNN, transformer, and BERT. Using the TweetEval dataset, we address class imbalance through focal loss and regularization techniques. Results show BERT achieves the highest overall performance due to its pre-training advantage, while CNN demonstrates superior efficacy on rare emoji classes. This research shows the importance of architecture selection and hyperparameter tuning for sentiment-aware emoji prediction, contributing to improved human-computer interaction.","authors_text":"Ethan Gordon, Nishank Kuppa, Rigved Tummala, Sriram Anasuri","cross_cats":["cs.AI","cs.LG","cs.NE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-08-13T22:17:00Z","title":"Understanding Textual Emotion Through Emoji Prediction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.10222","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":"sha256:5704cc4284c431d128384e5e76b816df22383cdbff2a52577e877b3796f597b4","target":"record","created_at":"2026-07-05T11:53:51Z","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":"2ecb2d3e899e7a25535ad9d6150f10424fa77897a676f99c9a0b76f94a721532","cross_cats_sorted":["cs.AI","cs.LG","cs.NE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-08-13T22:17:00Z","title_canon_sha256":"38c1d23d8a133716d0f002596768aaf2139328a55ef280be9736ed6b9e8808ac"},"schema_version":"1.0","source":{"id":"2508.10222","kind":"arxiv","version":1}},"canonical_sha256":"c9f2d03be1cf772c4708b54bc28c8bb036024c008f7243793f7d0a2be5410e24","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9f2d03be1cf772c4708b54bc28c8bb036024c008f7243793f7d0a2be5410e24","first_computed_at":"2026-07-05T11:53:51.577513Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:53:51.577513Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vMhDDr895BVbmPcxhjT5irdgww2C/nXDUSRzPczA30P9oXm/W9O46dZNT/CDLGs/bPVfWnlIVXt2xZu4VJzuBA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:53:51.577992Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.10222","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5704cc4284c431d128384e5e76b816df22383cdbff2a52577e877b3796f597b4","sha256:74c0a060dbc785be5d14d78a130877a872c53eb5d8e64d118f0811791a4f8b59"],"state_sha256":"8fe2e757fb96a9c4062982f726ad5ea0535a0769e2bd0908077d7937d4a216b4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wa5obM+KbLPFE5U0miUlavOguqdjOK/i/L347Ydk+7vVUMHNxjYg/vbClTQCkFsgPh8bS5dU4IS7dZrNNbdwBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T18:33:19.965570Z","bundle_sha256":"cd123154b237567f8a61fae2121c02d73551062b462a6457559086054b60cc5b"}}