{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:HB2NNFUZNRRXJPLSB5GLLES37R","short_pith_number":"pith:HB2NNFUZ","canonical_record":{"source":{"id":"2404.13143","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.RO","submitted_at":"2024-04-19T19:12:06Z","cross_cats_sorted":[],"title_canon_sha256":"676ca4f38bce7cbfb0e67590ae5b7cecba9b0e04e5272a9740512ce4b88ab84c","abstract_canon_sha256":"0ff48af59e7c0ed8d59034b3b48ff4ccee89fd2e8c882f4b35c2ca06b2cd18f6"},"schema_version":"1.0"},"canonical_sha256":"3874d696996c6374bd720f4cb5925bfc4614dadd5e6bf523869710d3e49eb683","source":{"kind":"arxiv","id":"2404.13143","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.13143","created_at":"2026-07-05T08:18:07Z"},{"alias_kind":"arxiv_version","alias_value":"2404.13143v2","created_at":"2026-07-05T08:18:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.13143","created_at":"2026-07-05T08:18:07Z"},{"alias_kind":"pith_short_12","alias_value":"HB2NNFUZNRRX","created_at":"2026-07-05T08:18:07Z"},{"alias_kind":"pith_short_16","alias_value":"HB2NNFUZNRRXJPLS","created_at":"2026-07-05T08:18:07Z"},{"alias_kind":"pith_short_8","alias_value":"HB2NNFUZ","created_at":"2026-07-05T08:18:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:HB2NNFUZNRRXJPLSB5GLLES37R","target":"record","payload":{"canonical_record":{"source":{"id":"2404.13143","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.RO","submitted_at":"2024-04-19T19:12:06Z","cross_cats_sorted":[],"title_canon_sha256":"676ca4f38bce7cbfb0e67590ae5b7cecba9b0e04e5272a9740512ce4b88ab84c","abstract_canon_sha256":"0ff48af59e7c0ed8d59034b3b48ff4ccee89fd2e8c882f4b35c2ca06b2cd18f6"},"schema_version":"1.0"},"canonical_sha256":"3874d696996c6374bd720f4cb5925bfc4614dadd5e6bf523869710d3e49eb683","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:18:07.423513Z","signature_b64":"d0/ZfgtjaDofG7KiXoGTkKX83QsPJBYqmhDy2xG01ypYXa4IcvYIIZZGUujIrkGCpTGmX8E5VQhFX45Blq9mCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3874d696996c6374bd720f4cb5925bfc4614dadd5e6bf523869710d3e49eb683","last_reissued_at":"2026-07-05T08:18:07.423018Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:18:07.423018Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.13143","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":"2026-07-05T08:18:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RLkeZE6UczKarn0kJsm9fH5mV5R3R/RXlDVTmDpUHYB9U/vgdaob3R2jZudkmojcSHFY2RXz1hr9RPhD9E9hCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T21:00:51.576585Z"},"content_sha256":"7951db75e085ad69939ecda4712595fbfd5d160c4d94be6ea39ba5d007007c9c","schema_version":"1.0","event_id":"sha256:7951db75e085ad69939ecda4712595fbfd5d160c4d94be6ea39ba5d007007c9c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:HB2NNFUZNRRXJPLSB5GLLES37R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Robotic deployment on construction sites: considerations for safety and productivity impact","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.RO","authors_text":"David St-Onge, Ivanka Iordanova, Muhammad Owais Tahir, Rafael Gomes Braga","submitted_at":"2024-04-19T19:12:06Z","abstract_excerpt":"Deploying mobile robots in construction sites to collaborate with workers or perform automated tasks such as surveillance and inspections carries the potential to greatly increase productivity, reduce human errors, and save costs. However ensuring human safety is a major concern, and the rough and dynamic construction environments pose multiple challenges for robot deployment. In this paper, we present the insights we obtained from our collaborations with construction companies in Canada and discuss our experiences deploying a semi-autonomous mobile robot in real construction scenarios."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.13143","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2404.13143/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":"2026-07-05T08:18:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vgtWgm514RJGF9sPM3VJErbwIqvm5jzc8L7BCjMaKDGqbSFeIPcgtbBmFR+2ZJqDSlID2BrZoXryd2NBLhR+AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T21:00:51.577095Z"},"content_sha256":"d3b0e86307a5b32bb5c24c5d433155f92be11e84ab90321765508d71ce38a835","schema_version":"1.0","event_id":"sha256:d3b0e86307a5b32bb5c24c5d433155f92be11e84ab90321765508d71ce38a835"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HB2NNFUZNRRXJPLSB5GLLES37R/bundle.json","state_url":"https://pith.science/pith/HB2NNFUZNRRXJPLSB5GLLES37R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HB2NNFUZNRRXJPLSB5GLLES37R/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":"2026-08-11T21:00:51Z","links":{"resolver":"https://pith.science/pith/HB2NNFUZNRRXJPLSB5GLLES37R","bundle":"https://pith.science/pith/HB2NNFUZNRRXJPLSB5GLLES37R/bundle.json","state":"https://pith.science/pith/HB2NNFUZNRRXJPLSB5GLLES37R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HB2NNFUZNRRXJPLSB5GLLES37R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:HB2NNFUZNRRXJPLSB5GLLES37R","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":"0ff48af59e7c0ed8d59034b3b48ff4ccee89fd2e8c882f4b35c2ca06b2cd18f6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.RO","submitted_at":"2024-04-19T19:12:06Z","title_canon_sha256":"676ca4f38bce7cbfb0e67590ae5b7cecba9b0e04e5272a9740512ce4b88ab84c"},"schema_version":"1.0","source":{"id":"2404.13143","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.13143","created_at":"2026-07-05T08:18:07Z"},{"alias_kind":"arxiv_version","alias_value":"2404.13143v2","created_at":"2026-07-05T08:18:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.13143","created_at":"2026-07-05T08:18:07Z"},{"alias_kind":"pith_short_12","alias_value":"HB2NNFUZNRRX","created_at":"2026-07-05T08:18:07Z"},{"alias_kind":"pith_short_16","alias_value":"HB2NNFUZNRRXJPLS","created_at":"2026-07-05T08:18:07Z"},{"alias_kind":"pith_short_8","alias_value":"HB2NNFUZ","created_at":"2026-07-05T08:18:07Z"}],"graph_snapshots":[{"event_id":"sha256:d3b0e86307a5b32bb5c24c5d433155f92be11e84ab90321765508d71ce38a835","target":"graph","created_at":"2026-07-05T08:18:07Z","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/2404.13143/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Deploying mobile robots in construction sites to collaborate with workers or perform automated tasks such as surveillance and inspections carries the potential to greatly increase productivity, reduce human errors, and save costs. However ensuring human safety is a major concern, and the rough and dynamic construction environments pose multiple challenges for robot deployment. In this paper, we present the insights we obtained from our collaborations with construction companies in Canada and discuss our experiences deploying a semi-autonomous mobile robot in real construction scenarios.","authors_text":"David St-Onge, Ivanka Iordanova, Muhammad Owais Tahir, Rafael Gomes Braga","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.RO","submitted_at":"2024-04-19T19:12:06Z","title":"Robotic deployment on construction sites: considerations for safety and productivity impact"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.13143","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":"sha256:7951db75e085ad69939ecda4712595fbfd5d160c4d94be6ea39ba5d007007c9c","target":"record","created_at":"2026-07-05T08:18:07Z","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":"0ff48af59e7c0ed8d59034b3b48ff4ccee89fd2e8c882f4b35c2ca06b2cd18f6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.RO","submitted_at":"2024-04-19T19:12:06Z","title_canon_sha256":"676ca4f38bce7cbfb0e67590ae5b7cecba9b0e04e5272a9740512ce4b88ab84c"},"schema_version":"1.0","source":{"id":"2404.13143","kind":"arxiv","version":2}},"canonical_sha256":"3874d696996c6374bd720f4cb5925bfc4614dadd5e6bf523869710d3e49eb683","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3874d696996c6374bd720f4cb5925bfc4614dadd5e6bf523869710d3e49eb683","first_computed_at":"2026-07-05T08:18:07.423018Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:18:07.423018Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d0/ZfgtjaDofG7KiXoGTkKX83QsPJBYqmhDy2xG01ypYXa4IcvYIIZZGUujIrkGCpTGmX8E5VQhFX45Blq9mCw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:18:07.423513Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.13143","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7951db75e085ad69939ecda4712595fbfd5d160c4d94be6ea39ba5d007007c9c","sha256:d3b0e86307a5b32bb5c24c5d433155f92be11e84ab90321765508d71ce38a835"],"state_sha256":"8953985363483a2b9960f36f047965684411c169011b7faff648f2caf242b8bd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fe6+QIlDyQUrKx3hb9F0X9PQgS6o3VkRR8DGs2GzIU8bKxUkpaRdJU8l3CyyyAeyPj2NrWvuzj/j4WQVZu9ECw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T21:00:51.583351Z","bundle_sha256":"206b346deb21815cf1ba6253de7ce6e39f83fddc7ea021d73b083235d40a99fb"}}