{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:2YNVBL62ITK5EVD5XNTI4MESUM","short_pith_number":"pith:2YNVBL62","canonical_record":{"source":{"id":"2303.01977","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.ET","submitted_at":"2023-03-01T14:04:50Z","cross_cats_sorted":["cs.AI","quant-ph"],"title_canon_sha256":"86d976aec7fb34257c0986fda263586f3995012a3d37d65d0217f65f896fa4a2","abstract_canon_sha256":"540bbd51470c6284c89074d40f8e4f13bdf144d50dd8093f401726751c7407ef"},"schema_version":"1.0"},"canonical_sha256":"d61b50afda44d5d2547dbb668e3092a31c59281878cd5d49e5c04c9b79e33580","source":{"kind":"arxiv","id":"2303.01977","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.01977","created_at":"2026-07-05T06:37:12Z"},{"alias_kind":"arxiv_version","alias_value":"2303.01977v3","created_at":"2026-07-05T06:37:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.01977","created_at":"2026-07-05T06:37:12Z"},{"alias_kind":"pith_short_12","alias_value":"2YNVBL62ITK5","created_at":"2026-07-05T06:37:12Z"},{"alias_kind":"pith_short_16","alias_value":"2YNVBL62ITK5EVD5","created_at":"2026-07-05T06:37:12Z"},{"alias_kind":"pith_short_8","alias_value":"2YNVBL62","created_at":"2026-07-05T06:37:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:2YNVBL62ITK5EVD5XNTI4MESUM","target":"record","payload":{"canonical_record":{"source":{"id":"2303.01977","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.ET","submitted_at":"2023-03-01T14:04:50Z","cross_cats_sorted":["cs.AI","quant-ph"],"title_canon_sha256":"86d976aec7fb34257c0986fda263586f3995012a3d37d65d0217f65f896fa4a2","abstract_canon_sha256":"540bbd51470c6284c89074d40f8e4f13bdf144d50dd8093f401726751c7407ef"},"schema_version":"1.0"},"canonical_sha256":"d61b50afda44d5d2547dbb668e3092a31c59281878cd5d49e5c04c9b79e33580","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:37:12.944218Z","signature_b64":"b5TxpTUB0I5lvHuNOj8HE2c1K8wWApoJdNSU6eHPtdUCrgvanXOLG7kyaCxRPE7kbIQ6b8FQ/fg0faCGtpF9CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d61b50afda44d5d2547dbb668e3092a31c59281878cd5d49e5c04c9b79e33580","last_reissued_at":"2026-07-05T06:37:12.943767Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:37:12.943767Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.01977","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:37:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y66pzmHgmWXqivF/UEBOA3OjGjV2uyPAjI+uwSXevyOR8wpu4swzJGUspCBk6etvr9q+g99r237ZBzS00cdSAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T15:24:15.060851Z"},"content_sha256":"81693657832ac78cb90dc552346a9c7733785e4fc7c80a6d79a928e57d9bf6c3","schema_version":"1.0","event_id":"sha256:81693657832ac78cb90dc552346a9c7733785e4fc7c80a6d79a928e57d9bf6c3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:2YNVBL62ITK5EVD5XNTI4MESUM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hybrid Approach for Solving Real-World Bin Packing Problem Instances Using Quantum Annealers","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI","quant-ph"],"primary_cat":"cs.ET","authors_text":"Eneko Osaba, Esther Villar-Rodriguez, Izaskun Oregi, Sebasti\\'an V. Romero, Yue Ban","submitted_at":"2023-03-01T14:04:50Z","abstract_excerpt":"Efficient packing of items into bins is a common daily task. Known as Bin Packing Problem, it has been intensively studied in the field of artificial intelligence, thanks to the wide interest from industry and logistics. Since decades, many variants have been proposed, with the three-dimensional Bin Packing Problem as the closest one to real-world use cases. We introduce a hybrid quantum-classical framework for solving real-world three-dimensional Bin Packing Problems (Q4RealBPP), considering different realistic characteristics, such as: i) package and bin dimensions, ii) overweight restrictio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.01977","kind":"arxiv","version":3},"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/2303.01977/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":"2026-07-05T06:37:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tj6c6EXDp5xC4j9W9jes1fXlirN8WZJPAjyt+hOcvC/++8anW6DaOH1aZnyAnWvVxkAqTmtD5YuAQpp+FhIiAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T15:24:15.061486Z"},"content_sha256":"1529565ea90486f473e7f4f3bb149cef3296678fa1f97274ab2c7c8bd9ea1f9f","schema_version":"1.0","event_id":"sha256:1529565ea90486f473e7f4f3bb149cef3296678fa1f97274ab2c7c8bd9ea1f9f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2YNVBL62ITK5EVD5XNTI4MESUM/bundle.json","state_url":"https://pith.science/pith/2YNVBL62ITK5EVD5XNTI4MESUM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2YNVBL62ITK5EVD5XNTI4MESUM/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":"2026-08-05T15:24:15Z","links":{"resolver":"https://pith.science/pith/2YNVBL62ITK5EVD5XNTI4MESUM","bundle":"https://pith.science/pith/2YNVBL62ITK5EVD5XNTI4MESUM/bundle.json","state":"https://pith.science/pith/2YNVBL62ITK5EVD5XNTI4MESUM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2YNVBL62ITK5EVD5XNTI4MESUM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:2YNVBL62ITK5EVD5XNTI4MESUM","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":"540bbd51470c6284c89074d40f8e4f13bdf144d50dd8093f401726751c7407ef","cross_cats_sorted":["cs.AI","quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.ET","submitted_at":"2023-03-01T14:04:50Z","title_canon_sha256":"86d976aec7fb34257c0986fda263586f3995012a3d37d65d0217f65f896fa4a2"},"schema_version":"1.0","source":{"id":"2303.01977","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.01977","created_at":"2026-07-05T06:37:12Z"},{"alias_kind":"arxiv_version","alias_value":"2303.01977v3","created_at":"2026-07-05T06:37:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.01977","created_at":"2026-07-05T06:37:12Z"},{"alias_kind":"pith_short_12","alias_value":"2YNVBL62ITK5","created_at":"2026-07-05T06:37:12Z"},{"alias_kind":"pith_short_16","alias_value":"2YNVBL62ITK5EVD5","created_at":"2026-07-05T06:37:12Z"},{"alias_kind":"pith_short_8","alias_value":"2YNVBL62","created_at":"2026-07-05T06:37:12Z"}],"graph_snapshots":[{"event_id":"sha256:1529565ea90486f473e7f4f3bb149cef3296678fa1f97274ab2c7c8bd9ea1f9f","target":"graph","created_at":"2026-07-05T06:37:12Z","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/2303.01977/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Efficient packing of items into bins is a common daily task. Known as Bin Packing Problem, it has been intensively studied in the field of artificial intelligence, thanks to the wide interest from industry and logistics. Since decades, many variants have been proposed, with the three-dimensional Bin Packing Problem as the closest one to real-world use cases. We introduce a hybrid quantum-classical framework for solving real-world three-dimensional Bin Packing Problems (Q4RealBPP), considering different realistic characteristics, such as: i) package and bin dimensions, ii) overweight restrictio","authors_text":"Eneko Osaba, Esther Villar-Rodriguez, Izaskun Oregi, Sebasti\\'an V. Romero, Yue Ban","cross_cats":["cs.AI","quant-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.ET","submitted_at":"2023-03-01T14:04:50Z","title":"Hybrid Approach for Solving Real-World Bin Packing Problem Instances Using Quantum Annealers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.01977","kind":"arxiv","version":3},"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":"sha256:81693657832ac78cb90dc552346a9c7733785e4fc7c80a6d79a928e57d9bf6c3","target":"record","created_at":"2026-07-05T06:37:12Z","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":"540bbd51470c6284c89074d40f8e4f13bdf144d50dd8093f401726751c7407ef","cross_cats_sorted":["cs.AI","quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.ET","submitted_at":"2023-03-01T14:04:50Z","title_canon_sha256":"86d976aec7fb34257c0986fda263586f3995012a3d37d65d0217f65f896fa4a2"},"schema_version":"1.0","source":{"id":"2303.01977","kind":"arxiv","version":3}},"canonical_sha256":"d61b50afda44d5d2547dbb668e3092a31c59281878cd5d49e5c04c9b79e33580","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d61b50afda44d5d2547dbb668e3092a31c59281878cd5d49e5c04c9b79e33580","first_computed_at":"2026-07-05T06:37:12.943767Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:37:12.943767Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b5TxpTUB0I5lvHuNOj8HE2c1K8wWApoJdNSU6eHPtdUCrgvanXOLG7kyaCxRPE7kbIQ6b8FQ/fg0faCGtpF9CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:37:12.944218Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.01977","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81693657832ac78cb90dc552346a9c7733785e4fc7c80a6d79a928e57d9bf6c3","sha256:1529565ea90486f473e7f4f3bb149cef3296678fa1f97274ab2c7c8bd9ea1f9f"],"state_sha256":"6acc5858213577873e8a5614e40d63a70157eebe33ff4ed123ddc6a99c7b0adf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JoTR1xGoQH18yWp5ua3Y+ef/ssyGrfef44eiNiSVJsOAYcG1DJokrF+7yAdI233iao+BHtkkEf/ruQrDXxrrDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T15:24:15.067265Z","bundle_sha256":"379d268bf74e0bd0f57232238b6b4da2c1899b6a7e84e1e05e1d4492edcb41f8"}}