{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:4IWV7HO75TKWOQH4AY4CEKCQBK","short_pith_number":"pith:4IWV7HO7","canonical_record":{"source":{"id":"2112.07917","kind":"arxiv","version":6},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-12-15T06:44:21Z","cross_cats_sorted":[],"title_canon_sha256":"1cedd1457e9236be065b93167dd23fde801332129657c9098cd430bab43517d3","abstract_canon_sha256":"0dd818f26b8acc5b1092a13a5a4337ae99da7805f41f2bff413c7fdacb7ad19f"},"schema_version":"1.0"},"canonical_sha256":"e22d5f9ddfecd56740fc06382228500ab59eb9b82a82b09d0f8bd015637d1432","source":{"kind":"arxiv","id":"2112.07917","version":6},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.07917","created_at":"2026-07-05T04:52:15Z"},{"alias_kind":"arxiv_version","alias_value":"2112.07917v6","created_at":"2026-07-05T04:52:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.07917","created_at":"2026-07-05T04:52:15Z"},{"alias_kind":"pith_short_12","alias_value":"4IWV7HO75TKW","created_at":"2026-07-05T04:52:15Z"},{"alias_kind":"pith_short_16","alias_value":"4IWV7HO75TKWOQH4","created_at":"2026-07-05T04:52:15Z"},{"alias_kind":"pith_short_8","alias_value":"4IWV7HO7","created_at":"2026-07-05T04:52:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:4IWV7HO75TKWOQH4AY4CEKCQBK","target":"record","payload":{"canonical_record":{"source":{"id":"2112.07917","kind":"arxiv","version":6},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-12-15T06:44:21Z","cross_cats_sorted":[],"title_canon_sha256":"1cedd1457e9236be065b93167dd23fde801332129657c9098cd430bab43517d3","abstract_canon_sha256":"0dd818f26b8acc5b1092a13a5a4337ae99da7805f41f2bff413c7fdacb7ad19f"},"schema_version":"1.0"},"canonical_sha256":"e22d5f9ddfecd56740fc06382228500ab59eb9b82a82b09d0f8bd015637d1432","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:52:15.619383Z","signature_b64":"gYdFdk2GtFRhQyDFdwBtRrpzP3z1Veuvsz909G+wELA9UKkqCjOOFM8jzdGq1AVO4Z9TSiCBsL3Ph/uHjQnEDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e22d5f9ddfecd56740fc06382228500ab59eb9b82a82b09d0f8bd015637d1432","last_reissued_at":"2026-07-05T04:52:15.618882Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:52:15.618882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2112.07917","source_version":6,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:52:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8kyRPxKe0VYSt123AqJpuUAT4bO/eL15sYEjqneAvtNdcfajGtqNMzCLfGxnzXdPZu7kd6tvrCc3GjU7+Ru+Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T14:18:28.857331Z"},"content_sha256":"1d16201da6e55361b0206e5bf77824ab5482a072c573040158cdba7a2d0bf0a6","schema_version":"1.0","event_id":"sha256:1d16201da6e55361b0206e5bf77824ab5482a072c573040158cdba7a2d0bf0a6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:4IWV7HO75TKWOQH4AY4CEKCQBK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SPTS: Single-Point Text Spotting","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chunhua Shen, Dahua Lin, Dezhi Peng, Jiaxin Zhang, Jing Li, Lianwen Jin, Mingxin Huang, Shenggao Zhu, Songxuan Lai, Xiang Bai, Xinyu Wang, Yuliang Liu","submitted_at":"2021-12-15T06:44:21Z","abstract_excerpt":"Existing scene text spotting (i.e., end-to-end text detection and recognition) methods rely on costly bounding box annotations (e.g., text-line, word-level, or character-level bounding boxes). For the first time, we demonstrate that training scene text spotting models can be achieved with an extremely low-cost annotation of a single-point for each instance. We propose an end-to-end scene text spotting method that tackles scene text spotting as a sequence prediction task. Given an image as input, we formulate the desired detection and recognition results as a sequence of discrete tokens and use"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.07917","kind":"arxiv","version":6},"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/2112.07917/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":"2026-07-05T04:52:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SIrfT/VET59rG/viRNu5sXV1OujpZTkHm3BPFFgzUX+NuV2rFyms8y7f32Xjr5VHhvO65MfU3+2XDy2mOo5CDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T14:18:28.857910Z"},"content_sha256":"39e1657359c83fd0824776c199a3264d75424e248a5fa389b0461b7119f114c3","schema_version":"1.0","event_id":"sha256:39e1657359c83fd0824776c199a3264d75424e248a5fa389b0461b7119f114c3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4IWV7HO75TKWOQH4AY4CEKCQBK/bundle.json","state_url":"https://pith.science/pith/4IWV7HO75TKWOQH4AY4CEKCQBK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4IWV7HO75TKWOQH4AY4CEKCQBK/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":"2026-08-06T14:18:28Z","links":{"resolver":"https://pith.science/pith/4IWV7HO75TKWOQH4AY4CEKCQBK","bundle":"https://pith.science/pith/4IWV7HO75TKWOQH4AY4CEKCQBK/bundle.json","state":"https://pith.science/pith/4IWV7HO75TKWOQH4AY4CEKCQBK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4IWV7HO75TKWOQH4AY4CEKCQBK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:4IWV7HO75TKWOQH4AY4CEKCQBK","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":"0dd818f26b8acc5b1092a13a5a4337ae99da7805f41f2bff413c7fdacb7ad19f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-12-15T06:44:21Z","title_canon_sha256":"1cedd1457e9236be065b93167dd23fde801332129657c9098cd430bab43517d3"},"schema_version":"1.0","source":{"id":"2112.07917","kind":"arxiv","version":6}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.07917","created_at":"2026-07-05T04:52:15Z"},{"alias_kind":"arxiv_version","alias_value":"2112.07917v6","created_at":"2026-07-05T04:52:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.07917","created_at":"2026-07-05T04:52:15Z"},{"alias_kind":"pith_short_12","alias_value":"4IWV7HO75TKW","created_at":"2026-07-05T04:52:15Z"},{"alias_kind":"pith_short_16","alias_value":"4IWV7HO75TKWOQH4","created_at":"2026-07-05T04:52:15Z"},{"alias_kind":"pith_short_8","alias_value":"4IWV7HO7","created_at":"2026-07-05T04:52:15Z"}],"graph_snapshots":[{"event_id":"sha256:39e1657359c83fd0824776c199a3264d75424e248a5fa389b0461b7119f114c3","target":"graph","created_at":"2026-07-05T04:52:15Z","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/2112.07917/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Existing scene text spotting (i.e., end-to-end text detection and recognition) methods rely on costly bounding box annotations (e.g., text-line, word-level, or character-level bounding boxes). For the first time, we demonstrate that training scene text spotting models can be achieved with an extremely low-cost annotation of a single-point for each instance. We propose an end-to-end scene text spotting method that tackles scene text spotting as a sequence prediction task. Given an image as input, we formulate the desired detection and recognition results as a sequence of discrete tokens and use","authors_text":"Chunhua Shen, Dahua Lin, Dezhi Peng, Jiaxin Zhang, Jing Li, Lianwen Jin, Mingxin Huang, Shenggao Zhu, Songxuan Lai, Xiang Bai, Xinyu Wang, Yuliang Liu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-12-15T06:44:21Z","title":"SPTS: Single-Point Text Spotting"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.07917","kind":"arxiv","version":6},"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":"sha256:1d16201da6e55361b0206e5bf77824ab5482a072c573040158cdba7a2d0bf0a6","target":"record","created_at":"2026-07-05T04:52:15Z","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":"0dd818f26b8acc5b1092a13a5a4337ae99da7805f41f2bff413c7fdacb7ad19f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-12-15T06:44:21Z","title_canon_sha256":"1cedd1457e9236be065b93167dd23fde801332129657c9098cd430bab43517d3"},"schema_version":"1.0","source":{"id":"2112.07917","kind":"arxiv","version":6}},"canonical_sha256":"e22d5f9ddfecd56740fc06382228500ab59eb9b82a82b09d0f8bd015637d1432","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e22d5f9ddfecd56740fc06382228500ab59eb9b82a82b09d0f8bd015637d1432","first_computed_at":"2026-07-05T04:52:15.618882Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:52:15.618882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gYdFdk2GtFRhQyDFdwBtRrpzP3z1Veuvsz909G+wELA9UKkqCjOOFM8jzdGq1AVO4Z9TSiCBsL3Ph/uHjQnEDA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:52:15.619383Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.07917","source_kind":"arxiv","source_version":6}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d16201da6e55361b0206e5bf77824ab5482a072c573040158cdba7a2d0bf0a6","sha256:39e1657359c83fd0824776c199a3264d75424e248a5fa389b0461b7119f114c3"],"state_sha256":"d20987dd5efc18bc256a229e5efa3ca677de474051d58968230811fc9e9799b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3RLjyPtU8VPgcvt+wbcr7OyK6rk9SfAKXZ7EneHdOIdIqqSv7bHCAwQ1UjlcxQq9l5jbNcATRY1dm7iiUhhPDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T14:18:28.863364Z","bundle_sha256":"f0dd9fb6504b97aa6e100d3ffa61c99ab6080b38fbaa89f0643e0883f8f79d53"}}