{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:ZDBPJ6GHS7K6ZTHLDB3XI2ZCGO","short_pith_number":"pith:ZDBPJ6GH","canonical_record":{"source":{"id":"2505.13339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-05-19T16:48:14Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"2a224d85c2973c121787940fd935153859623c7edc914b70c82004005303bb00","abstract_canon_sha256":"e5be5c24c3904c3f049bc1bed710031dd64b5fe2d2fcc22c63d3cd66ef145a8c"},"schema_version":"1.0"},"canonical_sha256":"c8c2f4f8c797d5eccceb1877746b2233a9eaab92443ea9937c30eaf045df0150","source":{"kind":"arxiv","id":"2505.13339","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.13339","created_at":"2026-07-05T11:05:28Z"},{"alias_kind":"arxiv_version","alias_value":"2505.13339v1","created_at":"2026-07-05T11:05:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.13339","created_at":"2026-07-05T11:05:28Z"},{"alias_kind":"pith_short_12","alias_value":"ZDBPJ6GHS7K6","created_at":"2026-07-05T11:05:28Z"},{"alias_kind":"pith_short_16","alias_value":"ZDBPJ6GHS7K6ZTHL","created_at":"2026-07-05T11:05:28Z"},{"alias_kind":"pith_short_8","alias_value":"ZDBPJ6GH","created_at":"2026-07-05T11:05:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:ZDBPJ6GHS7K6ZTHLDB3XI2ZCGO","target":"record","payload":{"canonical_record":{"source":{"id":"2505.13339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-05-19T16:48:14Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"2a224d85c2973c121787940fd935153859623c7edc914b70c82004005303bb00","abstract_canon_sha256":"e5be5c24c3904c3f049bc1bed710031dd64b5fe2d2fcc22c63d3cd66ef145a8c"},"schema_version":"1.0"},"canonical_sha256":"c8c2f4f8c797d5eccceb1877746b2233a9eaab92443ea9937c30eaf045df0150","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:05:28.826069Z","signature_b64":"Ap0ZFHtuBHvryIs5qwUX21IYbwCSTe9hT1GTMv4ua/RhWtbW+Tv9Jx4ZWmXQZyEsv1sh4kJOnzUigg0D5ijgDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c8c2f4f8c797d5eccceb1877746b2233a9eaab92443ea9937c30eaf045df0150","last_reissued_at":"2026-07-05T11:05:28.825590Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:05:28.825590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.13339","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":"2026-07-05T11:05:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bXRR3UYJOuSRt/PvF/UOWyXXTAKhVPAjyKa3tq7v7jJBBIDaGxArip42EKPgXEkgm7Y8CD2xuyVP0Mldex+UCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T18:43:52.442686Z"},"content_sha256":"e8a03c613ed587ce5298d5408fd5e3c40dbb3b3c8f333c486120fc309c97516e","schema_version":"1.0","event_id":"sha256:e8a03c613ed587ce5298d5408fd5e3c40dbb3b3c8f333c486120fc309c97516e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:ZDBPJ6GHS7K6ZTHLDB3XI2ZCGO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"OPA-Pack: Object-Property-Aware Robotic Bin Packing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.RO","authors_text":"Chi-Wing Fu, Jia-Hui Pan, Ka-Hei Hui, Pheng-Ann Heng, Xiaojie Gao, Yeok Tatt Cheah, Yun-hui Liu, Zhengzhe Liu","submitted_at":"2025-05-19T16:48:14Z","abstract_excerpt":"Robotic bin packing aids in a wide range of real-world scenarios such as e-commerce and warehouses. Yet, existing works focus mainly on considering the shape of objects to optimize packing compactness and neglect object properties such as fragility, edibility, and chemistry that humans typically consider when packing objects. This paper presents OPA-Pack (Object-Property-Aware Packing framework), the first framework that equips the robot with object property considerations in planning the object packing. Technical-wise, we develop a novel object property recognition scheme with retrieval-augme"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.13339","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/2505.13339/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":"2026-07-05T11:05:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4BEOMHD97+fNvQmkUbZ55vQz9lSIKFKCNf3dkUBMcwpnlsoauiyvsXGXW9RKg7wHDDXHthxceznQGL/VeHjNBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T18:43:52.443071Z"},"content_sha256":"5b99bd3a64ba5a1ee48b030364f73fe8732e4d619144007a09fe62b571fe6b1d","schema_version":"1.0","event_id":"sha256:5b99bd3a64ba5a1ee48b030364f73fe8732e4d619144007a09fe62b571fe6b1d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZDBPJ6GHS7K6ZTHLDB3XI2ZCGO/bundle.json","state_url":"https://pith.science/pith/ZDBPJ6GHS7K6ZTHLDB3XI2ZCGO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZDBPJ6GHS7K6ZTHLDB3XI2ZCGO/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":"2026-07-06T18:43:52Z","links":{"resolver":"https://pith.science/pith/ZDBPJ6GHS7K6ZTHLDB3XI2ZCGO","bundle":"https://pith.science/pith/ZDBPJ6GHS7K6ZTHLDB3XI2ZCGO/bundle.json","state":"https://pith.science/pith/ZDBPJ6GHS7K6ZTHLDB3XI2ZCGO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZDBPJ6GHS7K6ZTHLDB3XI2ZCGO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ZDBPJ6GHS7K6ZTHLDB3XI2ZCGO","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":"e5be5c24c3904c3f049bc1bed710031dd64b5fe2d2fcc22c63d3cd66ef145a8c","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-05-19T16:48:14Z","title_canon_sha256":"2a224d85c2973c121787940fd935153859623c7edc914b70c82004005303bb00"},"schema_version":"1.0","source":{"id":"2505.13339","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.13339","created_at":"2026-07-05T11:05:28Z"},{"alias_kind":"arxiv_version","alias_value":"2505.13339v1","created_at":"2026-07-05T11:05:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.13339","created_at":"2026-07-05T11:05:28Z"},{"alias_kind":"pith_short_12","alias_value":"ZDBPJ6GHS7K6","created_at":"2026-07-05T11:05:28Z"},{"alias_kind":"pith_short_16","alias_value":"ZDBPJ6GHS7K6ZTHL","created_at":"2026-07-05T11:05:28Z"},{"alias_kind":"pith_short_8","alias_value":"ZDBPJ6GH","created_at":"2026-07-05T11:05:28Z"}],"graph_snapshots":[{"event_id":"sha256:5b99bd3a64ba5a1ee48b030364f73fe8732e4d619144007a09fe62b571fe6b1d","target":"graph","created_at":"2026-07-05T11:05:28Z","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/2505.13339/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Robotic bin packing aids in a wide range of real-world scenarios such as e-commerce and warehouses. Yet, existing works focus mainly on considering the shape of objects to optimize packing compactness and neglect object properties such as fragility, edibility, and chemistry that humans typically consider when packing objects. This paper presents OPA-Pack (Object-Property-Aware Packing framework), the first framework that equips the robot with object property considerations in planning the object packing. Technical-wise, we develop a novel object property recognition scheme with retrieval-augme","authors_text":"Chi-Wing Fu, Jia-Hui Pan, Ka-Hei Hui, Pheng-Ann Heng, Xiaojie Gao, Yeok Tatt Cheah, Yun-hui Liu, Zhengzhe Liu","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-05-19T16:48:14Z","title":"OPA-Pack: Object-Property-Aware Robotic Bin Packing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.13339","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:e8a03c613ed587ce5298d5408fd5e3c40dbb3b3c8f333c486120fc309c97516e","target":"record","created_at":"2026-07-05T11:05:28Z","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":"e5be5c24c3904c3f049bc1bed710031dd64b5fe2d2fcc22c63d3cd66ef145a8c","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-05-19T16:48:14Z","title_canon_sha256":"2a224d85c2973c121787940fd935153859623c7edc914b70c82004005303bb00"},"schema_version":"1.0","source":{"id":"2505.13339","kind":"arxiv","version":1}},"canonical_sha256":"c8c2f4f8c797d5eccceb1877746b2233a9eaab92443ea9937c30eaf045df0150","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c8c2f4f8c797d5eccceb1877746b2233a9eaab92443ea9937c30eaf045df0150","first_computed_at":"2026-07-05T11:05:28.825590Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:05:28.825590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ap0ZFHtuBHvryIs5qwUX21IYbwCSTe9hT1GTMv4ua/RhWtbW+Tv9Jx4ZWmXQZyEsv1sh4kJOnzUigg0D5ijgDA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:05:28.826069Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.13339","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8a03c613ed587ce5298d5408fd5e3c40dbb3b3c8f333c486120fc309c97516e","sha256:5b99bd3a64ba5a1ee48b030364f73fe8732e4d619144007a09fe62b571fe6b1d"],"state_sha256":"73c76926b89c9685939d308d0664943b43a544ee25fc02c406c3951d4f626bee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CLllKY2p2LLbfydVnNCoR7C5Cv/YY1/Vkd220Vwt2NYWnny59X4YwfMeV5nxhqHliyPcDGcWdneMshlBSYE8BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T18:43:52.445103Z","bundle_sha256":"c4c02a50d55f924c0fb0b3256667fe9ab25f6de9a7d68b270efc43d5b545cb71"}}