{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:DOWQZTVG2LLC427MUQZVJD2TXP","short_pith_number":"pith:DOWQZTVG","canonical_record":{"source":{"id":"2109.08607","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-09-17T15:32:02Z","cross_cats_sorted":[],"title_canon_sha256":"8bcb1cc9265db11d96b8e0b35912503980a674d983d788fd1e30cee4bd50bb04","abstract_canon_sha256":"0e2e6ae67cf09bf216cef68feb48ce1d4f8e9fc8918bf36bf7421d1092c5b2c4"},"schema_version":"1.0"},"canonical_sha256":"1bad0ccea6d2d62e6beca433548f53bbf27ea38103bd0f5ff6150cce0f95306e","source":{"kind":"arxiv","id":"2109.08607","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.08607","created_at":"2026-07-05T03:15:17Z"},{"alias_kind":"arxiv_version","alias_value":"2109.08607v1","created_at":"2026-07-05T03:15:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.08607","created_at":"2026-07-05T03:15:17Z"},{"alias_kind":"pith_short_12","alias_value":"DOWQZTVG2LLC","created_at":"2026-07-05T03:15:17Z"},{"alias_kind":"pith_short_16","alias_value":"DOWQZTVG2LLC427M","created_at":"2026-07-05T03:15:17Z"},{"alias_kind":"pith_short_8","alias_value":"DOWQZTVG","created_at":"2026-07-05T03:15:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:DOWQZTVG2LLC427MUQZVJD2TXP","target":"record","payload":{"canonical_record":{"source":{"id":"2109.08607","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-09-17T15:32:02Z","cross_cats_sorted":[],"title_canon_sha256":"8bcb1cc9265db11d96b8e0b35912503980a674d983d788fd1e30cee4bd50bb04","abstract_canon_sha256":"0e2e6ae67cf09bf216cef68feb48ce1d4f8e9fc8918bf36bf7421d1092c5b2c4"},"schema_version":"1.0"},"canonical_sha256":"1bad0ccea6d2d62e6beca433548f53bbf27ea38103bd0f5ff6150cce0f95306e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:15:17.832096Z","signature_b64":"kNDwEGBeiOA6uhZfv/FzNi0yG68CqltT2zKLvO2N9wwilyIFANtumIVppObGPjLra3EzC98UUhPgYIMOye41CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1bad0ccea6d2d62e6beca433548f53bbf27ea38103bd0f5ff6150cce0f95306e","last_reissued_at":"2026-07-05T03:15:17.831694Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:15:17.831694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.08607","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":"2026-07-05T03:15:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y6gdnPwIZO9VcPaIIZxLbtHRbJDj3MF6sSvAtvbfczV3WEGReF8k+5QfaJh7l68oBnXf3cgBYqthNNmLonxjDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T16:48:56.148159Z"},"content_sha256":"99cfaad55da3a9976c336d142504c769c334cbb2c9fce230b96ac624e018eb17","schema_version":"1.0","event_id":"sha256:99cfaad55da3a9976c336d142504c769c334cbb2c9fce230b96ac624e018eb17"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:DOWQZTVG2LLC427MUQZVJD2TXP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The futility of STILTs for the classification of lexical borrowings in Spanish","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Javier de la Rosa","submitted_at":"2021-09-17T15:32:02Z","abstract_excerpt":"The first edition of the IberLEF 2021 shared task on automatic detection of borrowings (ADoBo) focused on detecting lexical borrowings that appeared in the Spanish press and that have recently been imported into the Spanish language. In this work, we tested supplementary training on intermediate labeled-data tasks (STILTs) from part of speech (POS), named entity recognition (NER), code-switching, and language identification approaches to the classification of borrowings at the token level using existing pre-trained transformer-based language models. Our extensive experimental results suggest t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.08607","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/2109.08607/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":"2026-07-05T03:15:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vnsez4FFtI7A1ns81eiX2qRBNuCdMZ9FqmgoekQ3JrZcxaPohM0XPaZKGyfX2ySbwRpmPG/7A75UFeS7MTs+DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T16:48:56.148661Z"},"content_sha256":"b7f33ad9046dbc5c9a89cb8ef346f5ff0e9a99c357fecf4352a14157c794014b","schema_version":"1.0","event_id":"sha256:b7f33ad9046dbc5c9a89cb8ef346f5ff0e9a99c357fecf4352a14157c794014b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DOWQZTVG2LLC427MUQZVJD2TXP/bundle.json","state_url":"https://pith.science/pith/DOWQZTVG2LLC427MUQZVJD2TXP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DOWQZTVG2LLC427MUQZVJD2TXP/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":"2026-08-15T16:48:56Z","links":{"resolver":"https://pith.science/pith/DOWQZTVG2LLC427MUQZVJD2TXP","bundle":"https://pith.science/pith/DOWQZTVG2LLC427MUQZVJD2TXP/bundle.json","state":"https://pith.science/pith/DOWQZTVG2LLC427MUQZVJD2TXP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DOWQZTVG2LLC427MUQZVJD2TXP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:DOWQZTVG2LLC427MUQZVJD2TXP","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":"0e2e6ae67cf09bf216cef68feb48ce1d4f8e9fc8918bf36bf7421d1092c5b2c4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-09-17T15:32:02Z","title_canon_sha256":"8bcb1cc9265db11d96b8e0b35912503980a674d983d788fd1e30cee4bd50bb04"},"schema_version":"1.0","source":{"id":"2109.08607","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.08607","created_at":"2026-07-05T03:15:17Z"},{"alias_kind":"arxiv_version","alias_value":"2109.08607v1","created_at":"2026-07-05T03:15:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.08607","created_at":"2026-07-05T03:15:17Z"},{"alias_kind":"pith_short_12","alias_value":"DOWQZTVG2LLC","created_at":"2026-07-05T03:15:17Z"},{"alias_kind":"pith_short_16","alias_value":"DOWQZTVG2LLC427M","created_at":"2026-07-05T03:15:17Z"},{"alias_kind":"pith_short_8","alias_value":"DOWQZTVG","created_at":"2026-07-05T03:15:17Z"}],"graph_snapshots":[{"event_id":"sha256:b7f33ad9046dbc5c9a89cb8ef346f5ff0e9a99c357fecf4352a14157c794014b","target":"graph","created_at":"2026-07-05T03:15:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2109.08607/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The first edition of the IberLEF 2021 shared task on automatic detection of borrowings (ADoBo) focused on detecting lexical borrowings that appeared in the Spanish press and that have recently been imported into the Spanish language. In this work, we tested supplementary training on intermediate labeled-data tasks (STILTs) from part of speech (POS), named entity recognition (NER), code-switching, and language identification approaches to the classification of borrowings at the token level using existing pre-trained transformer-based language models. Our extensive experimental results suggest t","authors_text":"Javier de la Rosa","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-09-17T15:32:02Z","title":"The futility of STILTs for the classification of lexical borrowings in Spanish"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.08607","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":"sha256:99cfaad55da3a9976c336d142504c769c334cbb2c9fce230b96ac624e018eb17","target":"record","created_at":"2026-07-05T03:15:17Z","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":"0e2e6ae67cf09bf216cef68feb48ce1d4f8e9fc8918bf36bf7421d1092c5b2c4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-09-17T15:32:02Z","title_canon_sha256":"8bcb1cc9265db11d96b8e0b35912503980a674d983d788fd1e30cee4bd50bb04"},"schema_version":"1.0","source":{"id":"2109.08607","kind":"arxiv","version":1}},"canonical_sha256":"1bad0ccea6d2d62e6beca433548f53bbf27ea38103bd0f5ff6150cce0f95306e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1bad0ccea6d2d62e6beca433548f53bbf27ea38103bd0f5ff6150cce0f95306e","first_computed_at":"2026-07-05T03:15:17.831694Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:15:17.831694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kNDwEGBeiOA6uhZfv/FzNi0yG68CqltT2zKLvO2N9wwilyIFANtumIVppObGPjLra3EzC98UUhPgYIMOye41CA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:15:17.832096Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.08607","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99cfaad55da3a9976c336d142504c769c334cbb2c9fce230b96ac624e018eb17","sha256:b7f33ad9046dbc5c9a89cb8ef346f5ff0e9a99c357fecf4352a14157c794014b"],"state_sha256":"b24c437870e5a538d04b7e687a5befc02f371b2f959ea1ec5e496e4411cd7fac"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DyxsLlYG+s9iGASrpT67zHQEAa50GKMGA1RFaoppyaRseqD8Es0ox4jQxVQfvFGoQ0Js20exE+x2rHXDTKpODg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T16:48:56.152175Z","bundle_sha256":"ebe949f0cf830cbcc5bd8d0a546dd7b2847cc6316208db4a942e6c0e5a522b7f"}}