{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:JT3JOOOUMHKNZWUVWIU3JDUHTW","short_pith_number":"pith:JT3JOOOU","canonical_record":{"source":{"id":"1704.06189","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-04-20T15:31:48Z","cross_cats_sorted":[],"title_canon_sha256":"943745b1870568b91fca8615ff802cd5274b7cbca664a5ab0f56c5ab356a176c","abstract_canon_sha256":"773c8844f894916a370c3bddabaa0637c9d25cdbc52be197f6cb6793fb439d9b"},"schema_version":"1.0"},"canonical_sha256":"4cf69739d461d4dcda95b229b48e879d8ff22249f9f653a6df0e204407795bde","source":{"kind":"arxiv","id":"1704.06189","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.06189","created_at":"2026-05-18T00:44:13Z"},{"alias_kind":"arxiv_version","alias_value":"1704.06189v2","created_at":"2026-05-18T00:44:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.06189","created_at":"2026-05-18T00:44:13Z"},{"alias_kind":"pith_short_12","alias_value":"JT3JOOOUMHKN","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JT3JOOOUMHKNZWUV","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JT3JOOOU","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:JT3JOOOUMHKNZWUVWIU3JDUHTW","target":"record","payload":{"canonical_record":{"source":{"id":"1704.06189","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-04-20T15:31:48Z","cross_cats_sorted":[],"title_canon_sha256":"943745b1870568b91fca8615ff802cd5274b7cbca664a5ab0f56c5ab356a176c","abstract_canon_sha256":"773c8844f894916a370c3bddabaa0637c9d25cdbc52be197f6cb6793fb439d9b"},"schema_version":"1.0"},"canonical_sha256":"4cf69739d461d4dcda95b229b48e879d8ff22249f9f653a6df0e204407795bde","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:44:13.224019Z","signature_b64":"MOq2nQGJ5IdDvpcHJsA3koQSQI8NLecIyAOnvgT2O8pEu0X0OomuEchDMj9jj5ix/lZ8gZZBqjcBgKQTwUtaDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4cf69739d461d4dcda95b229b48e879d8ff22249f9f653a6df0e204407795bde","last_reissued_at":"2026-05-18T00:44:13.223588Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:44:13.223588Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.06189","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:44:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eYUfDjhTFRyNnS37OM19vSpqYmhCWQi9mlGnLHELCYP+/mAwuwUcrytnmBVYL4c96D90jm3oINHKuKEYU4d9Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:12:47.265902Z"},"content_sha256":"6d3a09cf630c1c256bb512ce643a9577922bfab9f78bbb18ec49b1507b09f86f","schema_version":"1.0","event_id":"sha256:6d3a09cf630c1c256bb512ce643a9577922bfab9f78bbb18ec49b1507b09f86f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:JT3JOOOUMHKNZWUVWIU3JDUHTW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Training object class detectors with click supervision","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Dim P. Papadopoulos, Frank Keller, Jasper R. R. Uijlings, Vittorio Ferrari","submitted_at":"2017-04-20T15:31:48Z","abstract_excerpt":"Training object class detectors typically requires a large set of images with objects annotated by bounding boxes. However, manually drawing bounding boxes is very time consuming. In this paper we greatly reduce annotation time by proposing center-click annotations: we ask annotators to click on the center of an imaginary bounding box which tightly encloses the object instance. We then incorporate these clicks into existing Multiple Instance Learning techniques for weakly supervised object localization, to jointly localize object bounding boxes over all training images. Extensive experiments o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.06189","kind":"arxiv","version":2},"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":"2026-05-18T00:44:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pChK5R/R7tYyOCniCawY2CckxgRa+s7z8GmJUvQPfLN4onUNz8wISnyRpkbdrVKEFAcMkzFxHdr5mYLK9ZVwDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:12:47.266562Z"},"content_sha256":"5636ba38eb890274f2991574c994d6d35c229478ec3797595d4099e9081b1329","schema_version":"1.0","event_id":"sha256:5636ba38eb890274f2991574c994d6d35c229478ec3797595d4099e9081b1329"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JT3JOOOUMHKNZWUVWIU3JDUHTW/bundle.json","state_url":"https://pith.science/pith/JT3JOOOUMHKNZWUVWIU3JDUHTW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JT3JOOOUMHKNZWUVWIU3JDUHTW/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":"2026-05-27T10:12:47Z","links":{"resolver":"https://pith.science/pith/JT3JOOOUMHKNZWUVWIU3JDUHTW","bundle":"https://pith.science/pith/JT3JOOOUMHKNZWUVWIU3JDUHTW/bundle.json","state":"https://pith.science/pith/JT3JOOOUMHKNZWUVWIU3JDUHTW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JT3JOOOUMHKNZWUVWIU3JDUHTW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:JT3JOOOUMHKNZWUVWIU3JDUHTW","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":"773c8844f894916a370c3bddabaa0637c9d25cdbc52be197f6cb6793fb439d9b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-04-20T15:31:48Z","title_canon_sha256":"943745b1870568b91fca8615ff802cd5274b7cbca664a5ab0f56c5ab356a176c"},"schema_version":"1.0","source":{"id":"1704.06189","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.06189","created_at":"2026-05-18T00:44:13Z"},{"alias_kind":"arxiv_version","alias_value":"1704.06189v2","created_at":"2026-05-18T00:44:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.06189","created_at":"2026-05-18T00:44:13Z"},{"alias_kind":"pith_short_12","alias_value":"JT3JOOOUMHKN","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JT3JOOOUMHKNZWUV","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JT3JOOOU","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:5636ba38eb890274f2991574c994d6d35c229478ec3797595d4099e9081b1329","target":"graph","created_at":"2026-05-18T00:44:13Z","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":"Training object class detectors typically requires a large set of images with objects annotated by bounding boxes. However, manually drawing bounding boxes is very time consuming. In this paper we greatly reduce annotation time by proposing center-click annotations: we ask annotators to click on the center of an imaginary bounding box which tightly encloses the object instance. We then incorporate these clicks into existing Multiple Instance Learning techniques for weakly supervised object localization, to jointly localize object bounding boxes over all training images. Extensive experiments o","authors_text":"Dim P. Papadopoulos, Frank Keller, Jasper R. R. Uijlings, Vittorio Ferrari","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-04-20T15:31:48Z","title":"Training object class detectors with click supervision"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.06189","kind":"arxiv","version":2},"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":"sha256:6d3a09cf630c1c256bb512ce643a9577922bfab9f78bbb18ec49b1507b09f86f","target":"record","created_at":"2026-05-18T00:44:13Z","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":"773c8844f894916a370c3bddabaa0637c9d25cdbc52be197f6cb6793fb439d9b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-04-20T15:31:48Z","title_canon_sha256":"943745b1870568b91fca8615ff802cd5274b7cbca664a5ab0f56c5ab356a176c"},"schema_version":"1.0","source":{"id":"1704.06189","kind":"arxiv","version":2}},"canonical_sha256":"4cf69739d461d4dcda95b229b48e879d8ff22249f9f653a6df0e204407795bde","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4cf69739d461d4dcda95b229b48e879d8ff22249f9f653a6df0e204407795bde","first_computed_at":"2026-05-18T00:44:13.223588Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:44:13.223588Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MOq2nQGJ5IdDvpcHJsA3koQSQI8NLecIyAOnvgT2O8pEu0X0OomuEchDMj9jj5ix/lZ8gZZBqjcBgKQTwUtaDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:44:13.224019Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.06189","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d3a09cf630c1c256bb512ce643a9577922bfab9f78bbb18ec49b1507b09f86f","sha256:5636ba38eb890274f2991574c994d6d35c229478ec3797595d4099e9081b1329"],"state_sha256":"e070a36bc733c1e9906535bb6deef71ef411cc3ebf8ac5161d96e4dd80d1f7d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gX4owi9vgQpQlNpS+VheiCb5W2tu2lU3h7W9DHz8+WIEOTQws7wYMqi2G9oyKLEg92Gb0ZwbHhyBVkDtt411AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T10:12:47.269946Z","bundle_sha256":"2a8371d1ecc4a4c5a9c5b8adf363a535f745d834368d9f8d129774cfe9d51fff"}}