{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:J4HC4GAIC6SZYXWIAFEUDGB6SG","short_pith_number":"pith:J4HC4GAI","canonical_record":{"source":{"id":"2110.00711","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-10-02T02:40:40Z","cross_cats_sorted":[],"title_canon_sha256":"fdc486e4709734a8154d55e2f69fde8c7090b8586f624a610ea6aba19de11734","abstract_canon_sha256":"34c13e58f862e9e372e59e4cc2754f05ccc94b4756099a7ec8e6298c8c95e4ef"},"schema_version":"1.0"},"canonical_sha256":"4f0e2e180817a59c5ec8014941983e9185c850a55adc2c07e9fc4f950e474043","source":{"kind":"arxiv","id":"2110.00711","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.00711","created_at":"2026-07-05T03:19:47Z"},{"alias_kind":"arxiv_version","alias_value":"2110.00711v1","created_at":"2026-07-05T03:19:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.00711","created_at":"2026-07-05T03:19:47Z"},{"alias_kind":"pith_short_12","alias_value":"J4HC4GAIC6SZ","created_at":"2026-07-05T03:19:47Z"},{"alias_kind":"pith_short_16","alias_value":"J4HC4GAIC6SZYXWI","created_at":"2026-07-05T03:19:47Z"},{"alias_kind":"pith_short_8","alias_value":"J4HC4GAI","created_at":"2026-07-05T03:19:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:J4HC4GAIC6SZYXWIAFEUDGB6SG","target":"record","payload":{"canonical_record":{"source":{"id":"2110.00711","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-10-02T02:40:40Z","cross_cats_sorted":[],"title_canon_sha256":"fdc486e4709734a8154d55e2f69fde8c7090b8586f624a610ea6aba19de11734","abstract_canon_sha256":"34c13e58f862e9e372e59e4cc2754f05ccc94b4756099a7ec8e6298c8c95e4ef"},"schema_version":"1.0"},"canonical_sha256":"4f0e2e180817a59c5ec8014941983e9185c850a55adc2c07e9fc4f950e474043","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:19:47.652309Z","signature_b64":"1mLOYmF7BTZIa5dnOtjn/ttObUDuzhkfqGqQ+Z4c9tMDu2CzVFSbHA/85SozqXVJh7O0CK2aGe1Fnlvfjn4iDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f0e2e180817a59c5ec8014941983e9185c850a55adc2c07e9fc4f950e474043","last_reissued_at":"2026-07-05T03:19:47.651906Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:19:47.651906Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.00711","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":"2026-07-05T03:19:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QQ40+wxpVmhdWkaQeJlKIwOoSQJNo9bT8KQi0Xbt6MXjF5O+QYa+ZN1AcekFWrzIRsmjXbKXukvGbR9BGWsvBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T10:47:08.046203Z"},"content_sha256":"5f8171c19c4e2129d545905f461a9b3b468b4c4321bddd409828fec4550d3dcb","schema_version":"1.0","event_id":"sha256:5f8171c19c4e2129d545905f461a9b3b468b4c4321bddd409828fec4550d3dcb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:J4HC4GAIC6SZYXWIAFEUDGB6SG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Asking questions on handwritten document collections","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"CV Jawahar, Dimosthenis Karatzas, Lluis Gomez, Minesh Mathew","submitted_at":"2021-10-02T02:40:40Z","abstract_excerpt":"This work addresses the problem of Question Answering (QA) on handwritten document collections. Unlike typical QA and Visual Question Answering (VQA) formulations where the answer is a short text, we aim to locate a document snippet where the answer lies. The proposed approach works without recognizing the text in the documents. We argue that the recognition-free approach is suitable for handwritten documents and historical collections where robust text recognition is often difficult. At the same time, for human users, document image snippets containing answers act as a valid alternative to te"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.00711","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/2110.00711/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":"2026-07-05T03:19:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nJOYX/hzJuxUmeCyZKEfn3qcSl6W2IteJY3Xfs0nFrB1HgejYgGNgApEglEqJEQTdlCpS54AhXqKbLwPSnUMAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T10:47:08.046679Z"},"content_sha256":"373dd0dfde3ef67c40603dc04abecc2b4d3988624fc1f6130df21a4665e13f39","schema_version":"1.0","event_id":"sha256:373dd0dfde3ef67c40603dc04abecc2b4d3988624fc1f6130df21a4665e13f39"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J4HC4GAIC6SZYXWIAFEUDGB6SG/bundle.json","state_url":"https://pith.science/pith/J4HC4GAIC6SZYXWIAFEUDGB6SG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J4HC4GAIC6SZYXWIAFEUDGB6SG/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":"2026-08-14T10:47:08Z","links":{"resolver":"https://pith.science/pith/J4HC4GAIC6SZYXWIAFEUDGB6SG","bundle":"https://pith.science/pith/J4HC4GAIC6SZYXWIAFEUDGB6SG/bundle.json","state":"https://pith.science/pith/J4HC4GAIC6SZYXWIAFEUDGB6SG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J4HC4GAIC6SZYXWIAFEUDGB6SG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:J4HC4GAIC6SZYXWIAFEUDGB6SG","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":"34c13e58f862e9e372e59e4cc2754f05ccc94b4756099a7ec8e6298c8c95e4ef","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-10-02T02:40:40Z","title_canon_sha256":"fdc486e4709734a8154d55e2f69fde8c7090b8586f624a610ea6aba19de11734"},"schema_version":"1.0","source":{"id":"2110.00711","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.00711","created_at":"2026-07-05T03:19:47Z"},{"alias_kind":"arxiv_version","alias_value":"2110.00711v1","created_at":"2026-07-05T03:19:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.00711","created_at":"2026-07-05T03:19:47Z"},{"alias_kind":"pith_short_12","alias_value":"J4HC4GAIC6SZ","created_at":"2026-07-05T03:19:47Z"},{"alias_kind":"pith_short_16","alias_value":"J4HC4GAIC6SZYXWI","created_at":"2026-07-05T03:19:47Z"},{"alias_kind":"pith_short_8","alias_value":"J4HC4GAI","created_at":"2026-07-05T03:19:47Z"}],"graph_snapshots":[{"event_id":"sha256:373dd0dfde3ef67c40603dc04abecc2b4d3988624fc1f6130df21a4665e13f39","target":"graph","created_at":"2026-07-05T03:19:47Z","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/2110.00711/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This work addresses the problem of Question Answering (QA) on handwritten document collections. Unlike typical QA and Visual Question Answering (VQA) formulations where the answer is a short text, we aim to locate a document snippet where the answer lies. The proposed approach works without recognizing the text in the documents. We argue that the recognition-free approach is suitable for handwritten documents and historical collections where robust text recognition is often difficult. At the same time, for human users, document image snippets containing answers act as a valid alternative to te","authors_text":"CV Jawahar, Dimosthenis Karatzas, Lluis Gomez, Minesh Mathew","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-10-02T02:40:40Z","title":"Asking questions on handwritten document collections"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.00711","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":"sha256:5f8171c19c4e2129d545905f461a9b3b468b4c4321bddd409828fec4550d3dcb","target":"record","created_at":"2026-07-05T03:19:47Z","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":"34c13e58f862e9e372e59e4cc2754f05ccc94b4756099a7ec8e6298c8c95e4ef","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-10-02T02:40:40Z","title_canon_sha256":"fdc486e4709734a8154d55e2f69fde8c7090b8586f624a610ea6aba19de11734"},"schema_version":"1.0","source":{"id":"2110.00711","kind":"arxiv","version":1}},"canonical_sha256":"4f0e2e180817a59c5ec8014941983e9185c850a55adc2c07e9fc4f950e474043","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f0e2e180817a59c5ec8014941983e9185c850a55adc2c07e9fc4f950e474043","first_computed_at":"2026-07-05T03:19:47.651906Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:19:47.651906Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1mLOYmF7BTZIa5dnOtjn/ttObUDuzhkfqGqQ+Z4c9tMDu2CzVFSbHA/85SozqXVJh7O0CK2aGe1Fnlvfjn4iDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:19:47.652309Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.00711","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f8171c19c4e2129d545905f461a9b3b468b4c4321bddd409828fec4550d3dcb","sha256:373dd0dfde3ef67c40603dc04abecc2b4d3988624fc1f6130df21a4665e13f39"],"state_sha256":"375a8a1dc66e3ce815bc963dd8b0246b62024dc211f6022a0ad475ff5dc40f3f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4jEKZ3XHGpJGtdpgjWCoqFlDhjRpU+ifpa3SawsXK0stPA0W8LDVe/AX9CC+wEuBjyUVRaZzTZcOmd5VAKrSDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T10:47:08.051061Z","bundle_sha256":"5b2624af20b770411be141519c04ba5d4de5165e0f679adbf73f69b14a913a65"}}