{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:7QA7NCAW2YXXYWWFWJBNZCMT5H","short_pith_number":"pith:7QA7NCAW","canonical_record":{"source":{"id":"2203.12165","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.CV","submitted_at":"2022-03-23T03:19:35Z","cross_cats_sorted":[],"title_canon_sha256":"2f6c0a8c2bd1491b028e1e55490b45f9ea5bc1e51f4690e0e636643271e6d772","abstract_canon_sha256":"8d8268d6732db9b778f7bbd453a0795a316dce7b9baf13eb03904537ccbad572"},"schema_version":"1.0"},"canonical_sha256":"fc01f68816d62f7c5ac5b242dc8993e9db169ab48b1e263d8e7a1642d41e4277","source":{"kind":"arxiv","id":"2203.12165","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.12165","created_at":"2026-07-05T04:12:53Z"},{"alias_kind":"arxiv_version","alias_value":"2203.12165v1","created_at":"2026-07-05T04:12:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.12165","created_at":"2026-07-05T04:12:53Z"},{"alias_kind":"pith_short_12","alias_value":"7QA7NCAW2YXX","created_at":"2026-07-05T04:12:53Z"},{"alias_kind":"pith_short_16","alias_value":"7QA7NCAW2YXXYWWF","created_at":"2026-07-05T04:12:53Z"},{"alias_kind":"pith_short_8","alias_value":"7QA7NCAW","created_at":"2026-07-05T04:12:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:7QA7NCAW2YXXYWWFWJBNZCMT5H","target":"record","payload":{"canonical_record":{"source":{"id":"2203.12165","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.CV","submitted_at":"2022-03-23T03:19:35Z","cross_cats_sorted":[],"title_canon_sha256":"2f6c0a8c2bd1491b028e1e55490b45f9ea5bc1e51f4690e0e636643271e6d772","abstract_canon_sha256":"8d8268d6732db9b778f7bbd453a0795a316dce7b9baf13eb03904537ccbad572"},"schema_version":"1.0"},"canonical_sha256":"fc01f68816d62f7c5ac5b242dc8993e9db169ab48b1e263d8e7a1642d41e4277","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:12:53.868211Z","signature_b64":"ji+13DkJepZJAGZamxkcZJFmQUFeAmgIus+6MzBUrYHrLzV2hD3qINJ4jPBtLLn0/Ya4Z1Cg16eb72aXtFVvDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc01f68816d62f7c5ac5b242dc8993e9db169ab48b1e263d8e7a1642d41e4277","last_reissued_at":"2026-07-05T04:12:53.867800Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:12:53.867800Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.12165","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":"2026-07-05T04:12:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wlvgHt2/1WCQanOFEVH4TuZ0y7Qh2UFo0HwfO9DncozWO20B6DZBxXRLmjae2zY254XuuDiD0CeoUuT7KnelBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T14:04:59.891042Z"},"content_sha256":"6a0af6008d39b1ee2eeff0add1d9e79bf918b2dfedeb583cd090e70d5c948988","schema_version":"1.0","event_id":"sha256:6a0af6008d39b1ee2eeff0add1d9e79bf918b2dfedeb583cd090e70d5c948988"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:7QA7NCAW2YXXYWWFWJBNZCMT5H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comprehensive Benchmark Datasets for Amharic Scene Text Detection and Recognition","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Dingkang Liang, Minghui Liao, Wondimu Dikubab, Xiang Bai","submitted_at":"2022-03-23T03:19:35Z","abstract_excerpt":"Ethiopic/Amharic script is one of the oldest African writing systems, which serves at least 23 languages (e.g., Amharic, Tigrinya) in East Africa for more than 120 million people. The Amharic writing system, Abugida, has 282 syllables, 15 punctuation marks, and 20 numerals. The Amharic syllabic matrix is derived from 34 base graphemes/consonants by adding up to 12 appropriate diacritics or vocalic markers to the characters. The syllables with a common consonant or vocalic markers are likely to be visually similar and challenge text recognition tasks. In this work, we presented the first compre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.12165","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/2203.12165/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":"2026-07-05T04:12:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2mJuwobcVv6Wwjci7VSYIgUZOoZOK55jU/CQuL1qgXHtoxajp9EsJLVxfg6VPnfEr4k4ESiB/Panqa1jlAw0Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T14:04:59.892536Z"},"content_sha256":"059647ace5d7a6ae0ece71a1f216de66f664f00b4e21fb1279677f82b40953f0","schema_version":"1.0","event_id":"sha256:059647ace5d7a6ae0ece71a1f216de66f664f00b4e21fb1279677f82b40953f0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7QA7NCAW2YXXYWWFWJBNZCMT5H/bundle.json","state_url":"https://pith.science/pith/7QA7NCAW2YXXYWWFWJBNZCMT5H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7QA7NCAW2YXXYWWFWJBNZCMT5H/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":"2026-08-18T14:04:59Z","links":{"resolver":"https://pith.science/pith/7QA7NCAW2YXXYWWFWJBNZCMT5H","bundle":"https://pith.science/pith/7QA7NCAW2YXXYWWFWJBNZCMT5H/bundle.json","state":"https://pith.science/pith/7QA7NCAW2YXXYWWFWJBNZCMT5H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7QA7NCAW2YXXYWWFWJBNZCMT5H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:7QA7NCAW2YXXYWWFWJBNZCMT5H","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":"8d8268d6732db9b778f7bbd453a0795a316dce7b9baf13eb03904537ccbad572","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.CV","submitted_at":"2022-03-23T03:19:35Z","title_canon_sha256":"2f6c0a8c2bd1491b028e1e55490b45f9ea5bc1e51f4690e0e636643271e6d772"},"schema_version":"1.0","source":{"id":"2203.12165","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.12165","created_at":"2026-07-05T04:12:53Z"},{"alias_kind":"arxiv_version","alias_value":"2203.12165v1","created_at":"2026-07-05T04:12:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.12165","created_at":"2026-07-05T04:12:53Z"},{"alias_kind":"pith_short_12","alias_value":"7QA7NCAW2YXX","created_at":"2026-07-05T04:12:53Z"},{"alias_kind":"pith_short_16","alias_value":"7QA7NCAW2YXXYWWF","created_at":"2026-07-05T04:12:53Z"},{"alias_kind":"pith_short_8","alias_value":"7QA7NCAW","created_at":"2026-07-05T04:12:53Z"}],"graph_snapshots":[{"event_id":"sha256:059647ace5d7a6ae0ece71a1f216de66f664f00b4e21fb1279677f82b40953f0","target":"graph","created_at":"2026-07-05T04:12:53Z","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/2203.12165/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Ethiopic/Amharic script is one of the oldest African writing systems, which serves at least 23 languages (e.g., Amharic, Tigrinya) in East Africa for more than 120 million people. The Amharic writing system, Abugida, has 282 syllables, 15 punctuation marks, and 20 numerals. The Amharic syllabic matrix is derived from 34 base graphemes/consonants by adding up to 12 appropriate diacritics or vocalic markers to the characters. The syllables with a common consonant or vocalic markers are likely to be visually similar and challenge text recognition tasks. In this work, we presented the first compre","authors_text":"Dingkang Liang, Minghui Liao, Wondimu Dikubab, Xiang Bai","cross_cats":[],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.CV","submitted_at":"2022-03-23T03:19:35Z","title":"Comprehensive Benchmark Datasets for Amharic Scene Text Detection and Recognition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.12165","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":"sha256:6a0af6008d39b1ee2eeff0add1d9e79bf918b2dfedeb583cd090e70d5c948988","target":"record","created_at":"2026-07-05T04:12:53Z","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":"8d8268d6732db9b778f7bbd453a0795a316dce7b9baf13eb03904537ccbad572","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.CV","submitted_at":"2022-03-23T03:19:35Z","title_canon_sha256":"2f6c0a8c2bd1491b028e1e55490b45f9ea5bc1e51f4690e0e636643271e6d772"},"schema_version":"1.0","source":{"id":"2203.12165","kind":"arxiv","version":1}},"canonical_sha256":"fc01f68816d62f7c5ac5b242dc8993e9db169ab48b1e263d8e7a1642d41e4277","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fc01f68816d62f7c5ac5b242dc8993e9db169ab48b1e263d8e7a1642d41e4277","first_computed_at":"2026-07-05T04:12:53.867800Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:12:53.867800Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ji+13DkJepZJAGZamxkcZJFmQUFeAmgIus+6MzBUrYHrLzV2hD3qINJ4jPBtLLn0/Ya4Z1Cg16eb72aXtFVvDw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:12:53.868211Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.12165","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a0af6008d39b1ee2eeff0add1d9e79bf918b2dfedeb583cd090e70d5c948988","sha256:059647ace5d7a6ae0ece71a1f216de66f664f00b4e21fb1279677f82b40953f0"],"state_sha256":"b7793189da062681b80f1c1d24d09f4388d4a50b27a144276455d77fb6f9b85e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ne1P1ohSJflBfPKmg1zG10BekxTN8zRHmk8BFJYCdkjIgnJUfp6hvYK0wpvPDGbSrhPLOh6bIOPzXsbe7ywMAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T14:04:59.899445Z","bundle_sha256":"be44f82435c63df569e0f001966548f025cd3e4cdd1e20dbc04f4d4632a66ef1"}}