{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:BBYCLLQUTXOMYVANYKPUDCTXEE","short_pith_number":"pith:BBYCLLQU","canonical_record":{"source":{"id":"1410.2100","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2014-10-08T13:24:06Z","cross_cats_sorted":[],"title_canon_sha256":"54118c4929314d67963e22f558c31511340701731af6a32ec7707d7dd3d9c924","abstract_canon_sha256":"760bcd119406a5534cb811770ea39be46f1a10894158d7953a596780c1a6a030"},"schema_version":"1.0"},"canonical_sha256":"087025ae149ddccc540dc29f418a772131b42d0c4a57d345f795e36556212034","source":{"kind":"arxiv","id":"1410.2100","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2100","created_at":"2026-05-18T02:40:48Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2100v1","created_at":"2026-05-18T02:40:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2100","created_at":"2026-05-18T02:40:48Z"},{"alias_kind":"pith_short_12","alias_value":"BBYCLLQUTXOM","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BBYCLLQUTXOMYVAN","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BBYCLLQU","created_at":"2026-05-18T12:28:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:BBYCLLQUTXOMYVANYKPUDCTXEE","target":"record","payload":{"canonical_record":{"source":{"id":"1410.2100","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2014-10-08T13:24:06Z","cross_cats_sorted":[],"title_canon_sha256":"54118c4929314d67963e22f558c31511340701731af6a32ec7707d7dd3d9c924","abstract_canon_sha256":"760bcd119406a5534cb811770ea39be46f1a10894158d7953a596780c1a6a030"},"schema_version":"1.0"},"canonical_sha256":"087025ae149ddccc540dc29f418a772131b42d0c4a57d345f795e36556212034","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:40:48.221629Z","signature_b64":"HBNbANxF+nk7VW56I3l136Xr7zTyZ2ti5HKn4Sj3ZEPC8gpvup2OdJS8WkP66ARWmWBcZLqlhxEnzZTQ5jpJAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"087025ae149ddccc540dc29f418a772131b42d0c4a57d345f795e36556212034","last_reissued_at":"2026-05-18T02:40:48.221163Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:40:48.221163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.2100","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":"2026-05-18T02:40:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TqwCBU3X7S1ElwO0BcIACt9V+lsGNRVorvmNJykFuLp9YCimfTpmmPOhki4qvjDba5Y9oNNTgU9O6XDgt0VgBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:24:41.578250Z"},"content_sha256":"e9e94aefdfacb345c24b9e19cadcbdc567f443e8b64f24e855bf6547fe865321","schema_version":"1.0","event_id":"sha256:e9e94aefdfacb345c24b9e19cadcbdc567f443e8b64f24e855bf6547fe865321"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:BBYCLLQUTXOMYVANYKPUDCTXEE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A New Method for Estimating the Widths of JPEG Images","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.MM","authors_text":"Han Qi, Le Dan, Niu Xiamu, Wu Xianyan","submitted_at":"2014-10-08T13:24:06Z","abstract_excerpt":"Image width is important for image understanding. We propose a novel method to estimate widths for JPEG images when their widths are not available. The key idea is that the distance between two decoded MCUs (Minimum Coded Unit) adjacent in the vertical direction is usually small, which is measured by the average Euclidean distance between the pixels from the bottom row of the top MCU and the top row of the bottom MCU. On PASCAL VOC 2010 challenge dataset and USC-SIPI image database, experimental results show the high performance of the proposed approach."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2100","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":""},"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":"2026-05-18T02:40:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0y8FxBhCoWV73P82qIiqlqaUJSm+mFbdo2t0XsQEY6L+ZGD5f9lKzF19oYM0OLe00nJUiOxlEHnsqsGU9dvhCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:24:41.578650Z"},"content_sha256":"7df9c2fb1277fafcf5add658f5f292a10197b3dbbfa8d81523dcf3dd1ba83488","schema_version":"1.0","event_id":"sha256:7df9c2fb1277fafcf5add658f5f292a10197b3dbbfa8d81523dcf3dd1ba83488"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BBYCLLQUTXOMYVANYKPUDCTXEE/bundle.json","state_url":"https://pith.science/pith/BBYCLLQUTXOMYVANYKPUDCTXEE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BBYCLLQUTXOMYVANYKPUDCTXEE/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":"2026-05-30T09:24:41Z","links":{"resolver":"https://pith.science/pith/BBYCLLQUTXOMYVANYKPUDCTXEE","bundle":"https://pith.science/pith/BBYCLLQUTXOMYVANYKPUDCTXEE/bundle.json","state":"https://pith.science/pith/BBYCLLQUTXOMYVANYKPUDCTXEE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BBYCLLQUTXOMYVANYKPUDCTXEE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:BBYCLLQUTXOMYVANYKPUDCTXEE","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":"760bcd119406a5534cb811770ea39be46f1a10894158d7953a596780c1a6a030","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2014-10-08T13:24:06Z","title_canon_sha256":"54118c4929314d67963e22f558c31511340701731af6a32ec7707d7dd3d9c924"},"schema_version":"1.0","source":{"id":"1410.2100","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2100","created_at":"2026-05-18T02:40:48Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2100v1","created_at":"2026-05-18T02:40:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2100","created_at":"2026-05-18T02:40:48Z"},{"alias_kind":"pith_short_12","alias_value":"BBYCLLQUTXOM","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BBYCLLQUTXOMYVAN","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BBYCLLQU","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:7df9c2fb1277fafcf5add658f5f292a10197b3dbbfa8d81523dcf3dd1ba83488","target":"graph","created_at":"2026-05-18T02:40:48Z","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"},"paper":{"abstract_excerpt":"Image width is important for image understanding. We propose a novel method to estimate widths for JPEG images when their widths are not available. The key idea is that the distance between two decoded MCUs (Minimum Coded Unit) adjacent in the vertical direction is usually small, which is measured by the average Euclidean distance between the pixels from the bottom row of the top MCU and the top row of the bottom MCU. On PASCAL VOC 2010 challenge dataset and USC-SIPI image database, experimental results show the high performance of the proposed approach.","authors_text":"Han Qi, Le Dan, Niu Xiamu, Wu Xianyan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2014-10-08T13:24:06Z","title":"A New Method for Estimating the Widths of JPEG Images"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2100","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:e9e94aefdfacb345c24b9e19cadcbdc567f443e8b64f24e855bf6547fe865321","target":"record","created_at":"2026-05-18T02:40:48Z","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":"760bcd119406a5534cb811770ea39be46f1a10894158d7953a596780c1a6a030","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2014-10-08T13:24:06Z","title_canon_sha256":"54118c4929314d67963e22f558c31511340701731af6a32ec7707d7dd3d9c924"},"schema_version":"1.0","source":{"id":"1410.2100","kind":"arxiv","version":1}},"canonical_sha256":"087025ae149ddccc540dc29f418a772131b42d0c4a57d345f795e36556212034","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"087025ae149ddccc540dc29f418a772131b42d0c4a57d345f795e36556212034","first_computed_at":"2026-05-18T02:40:48.221163Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:40:48.221163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HBNbANxF+nk7VW56I3l136Xr7zTyZ2ti5HKn4Sj3ZEPC8gpvup2OdJS8WkP66ARWmWBcZLqlhxEnzZTQ5jpJAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:40:48.221629Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.2100","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9e94aefdfacb345c24b9e19cadcbdc567f443e8b64f24e855bf6547fe865321","sha256:7df9c2fb1277fafcf5add658f5f292a10197b3dbbfa8d81523dcf3dd1ba83488"],"state_sha256":"cc6e5655d77882b6843bd57cb9214f1befadf21c99196bb1bd19713dce5f65cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pco7DtLYq9t5HQZUJ3110PrSzuIfQnibrM4NV2Nfa2UOwArYtFsMu2Uq2yitD7LuvbDfdjXciYImgjESF0pUAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T09:24:41.580922Z","bundle_sha256":"2722177573d5d196ffc7e4268b1edc18b015ce425db0cad59cbbb28d33e823b7"}}