{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:M7QA7KTA7UJLZIKA4CWTKKZSZV","short_pith_number":"pith:M7QA7KTA","canonical_record":{"source":{"id":"2503.14251","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2025-03-18T13:39:46Z","cross_cats_sorted":[],"title_canon_sha256":"46275f9393e8616e91517ace5ac2a71fde7e0d8462a1a3e92451eed8f76b8262","abstract_canon_sha256":"a5dab045ff79e2cdc5960628a8133801b6d26e032ded297b3ac9a5c473168c7e"},"schema_version":"1.0"},"canonical_sha256":"67e00faa60fd12bca140e0ad352b32cd5fe98c9ba2417f4d91516b99e4879a32","source":{"kind":"arxiv","id":"2503.14251","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.14251","created_at":"2026-07-05T10:33:58Z"},{"alias_kind":"arxiv_version","alias_value":"2503.14251v1","created_at":"2026-07-05T10:33:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.14251","created_at":"2026-07-05T10:33:58Z"},{"alias_kind":"pith_short_12","alias_value":"M7QA7KTA7UJL","created_at":"2026-07-05T10:33:58Z"},{"alias_kind":"pith_short_16","alias_value":"M7QA7KTA7UJLZIKA","created_at":"2026-07-05T10:33:58Z"},{"alias_kind":"pith_short_8","alias_value":"M7QA7KTA","created_at":"2026-07-05T10:33:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:M7QA7KTA7UJLZIKA4CWTKKZSZV","target":"record","payload":{"canonical_record":{"source":{"id":"2503.14251","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2025-03-18T13:39:46Z","cross_cats_sorted":[],"title_canon_sha256":"46275f9393e8616e91517ace5ac2a71fde7e0d8462a1a3e92451eed8f76b8262","abstract_canon_sha256":"a5dab045ff79e2cdc5960628a8133801b6d26e032ded297b3ac9a5c473168c7e"},"schema_version":"1.0"},"canonical_sha256":"67e00faa60fd12bca140e0ad352b32cd5fe98c9ba2417f4d91516b99e4879a32","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:33:58.828815Z","signature_b64":"bKf89vGJPI1v8UGK57a95eLP1Y7GX4QCngu4Ssw7X+eGbp6rv/eyfw8vyX6V4Q40oedK5fQ+QM5/HnYJ9bq3BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"67e00faa60fd12bca140e0ad352b32cd5fe98c9ba2417f4d91516b99e4879a32","last_reissued_at":"2026-07-05T10:33:58.827965Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:33:58.827965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.14251","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":"2026-07-05T10:33:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"98giVjmhG41bv6tKP+TA0rCeA8vp/0LV+GO23kpdCxk1m+K79bRQJvZWuB140UKWE1acV/q0v5RRR8cHU3gOAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T13:47:43.274748Z"},"content_sha256":"7e3fbbf8986d1af447d4eb43b526b7d3c91e32c7b985e54aca24946f147a9f2c","schema_version":"1.0","event_id":"sha256:7e3fbbf8986d1af447d4eb43b526b7d3c91e32c7b985e54aca24946f147a9f2c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:M7QA7KTA7UJLZIKA4CWTKKZSZV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards a Barrier-free GeoQA Portal: Natural Language Interaction with Geospatial Data Using Multi-Agent LLMs and Semantic Search","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Guohui Xiao, Linfang Ding, Liqiu Meng, Puzhen Zhang, Yu Feng","submitted_at":"2025-03-18T13:39:46Z","abstract_excerpt":"A Barrier-Free GeoQA Portal: Enhancing Geospatial Data Accessibility with a Multi-Agent LLM Framework\n  Geoportals are vital for accessing and analyzing geospatial data, promoting open spatial data sharing and online geo-information management. Designed with GIS-like interaction and layered visualization, they often challenge non-expert users with complex functionalities and overlapping layers that obscure spatial relationships. We propose a GeoQA Portal using a multi-agent Large Language Model framework for seamless natural language interaction with geospatial data. Complex queries are broken"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.14251","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/2503.14251/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":"2026-07-05T10:33:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oYcv7R+FOfyOSPJT+6wpC7aydkpB5Z8feaNmv0W306Jf3O328ho86/4IEE+zmpmkW5PG1CH0hq9s+Aat2iwfCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T13:47:43.275265Z"},"content_sha256":"b42d606e7062b7167fcd6aa08552f49d28f42e26c8b2444202395a88b17e05b8","schema_version":"1.0","event_id":"sha256:b42d606e7062b7167fcd6aa08552f49d28f42e26c8b2444202395a88b17e05b8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M7QA7KTA7UJLZIKA4CWTKKZSZV/bundle.json","state_url":"https://pith.science/pith/M7QA7KTA7UJLZIKA4CWTKKZSZV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M7QA7KTA7UJLZIKA4CWTKKZSZV/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":"2026-08-23T13:47:43Z","links":{"resolver":"https://pith.science/pith/M7QA7KTA7UJLZIKA4CWTKKZSZV","bundle":"https://pith.science/pith/M7QA7KTA7UJLZIKA4CWTKKZSZV/bundle.json","state":"https://pith.science/pith/M7QA7KTA7UJLZIKA4CWTKKZSZV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M7QA7KTA7UJLZIKA4CWTKKZSZV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:M7QA7KTA7UJLZIKA4CWTKKZSZV","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":"a5dab045ff79e2cdc5960628a8133801b6d26e032ded297b3ac9a5c473168c7e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2025-03-18T13:39:46Z","title_canon_sha256":"46275f9393e8616e91517ace5ac2a71fde7e0d8462a1a3e92451eed8f76b8262"},"schema_version":"1.0","source":{"id":"2503.14251","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.14251","created_at":"2026-07-05T10:33:58Z"},{"alias_kind":"arxiv_version","alias_value":"2503.14251v1","created_at":"2026-07-05T10:33:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.14251","created_at":"2026-07-05T10:33:58Z"},{"alias_kind":"pith_short_12","alias_value":"M7QA7KTA7UJL","created_at":"2026-07-05T10:33:58Z"},{"alias_kind":"pith_short_16","alias_value":"M7QA7KTA7UJLZIKA","created_at":"2026-07-05T10:33:58Z"},{"alias_kind":"pith_short_8","alias_value":"M7QA7KTA","created_at":"2026-07-05T10:33:58Z"}],"graph_snapshots":[{"event_id":"sha256:b42d606e7062b7167fcd6aa08552f49d28f42e26c8b2444202395a88b17e05b8","target":"graph","created_at":"2026-07-05T10:33:58Z","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/2503.14251/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A Barrier-Free GeoQA Portal: Enhancing Geospatial Data Accessibility with a Multi-Agent LLM Framework\n  Geoportals are vital for accessing and analyzing geospatial data, promoting open spatial data sharing and online geo-information management. Designed with GIS-like interaction and layered visualization, they often challenge non-expert users with complex functionalities and overlapping layers that obscure spatial relationships. We propose a GeoQA Portal using a multi-agent Large Language Model framework for seamless natural language interaction with geospatial data. Complex queries are broken","authors_text":"Guohui Xiao, Linfang Ding, Liqiu Meng, Puzhen Zhang, Yu Feng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2025-03-18T13:39:46Z","title":"Towards a Barrier-free GeoQA Portal: Natural Language Interaction with Geospatial Data Using Multi-Agent LLMs and Semantic Search"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.14251","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":"sha256:7e3fbbf8986d1af447d4eb43b526b7d3c91e32c7b985e54aca24946f147a9f2c","target":"record","created_at":"2026-07-05T10:33:58Z","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":"a5dab045ff79e2cdc5960628a8133801b6d26e032ded297b3ac9a5c473168c7e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2025-03-18T13:39:46Z","title_canon_sha256":"46275f9393e8616e91517ace5ac2a71fde7e0d8462a1a3e92451eed8f76b8262"},"schema_version":"1.0","source":{"id":"2503.14251","kind":"arxiv","version":1}},"canonical_sha256":"67e00faa60fd12bca140e0ad352b32cd5fe98c9ba2417f4d91516b99e4879a32","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"67e00faa60fd12bca140e0ad352b32cd5fe98c9ba2417f4d91516b99e4879a32","first_computed_at":"2026-07-05T10:33:58.827965Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:33:58.827965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bKf89vGJPI1v8UGK57a95eLP1Y7GX4QCngu4Ssw7X+eGbp6rv/eyfw8vyX6V4Q40oedK5fQ+QM5/HnYJ9bq3BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:33:58.828815Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.14251","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e3fbbf8986d1af447d4eb43b526b7d3c91e32c7b985e54aca24946f147a9f2c","sha256:b42d606e7062b7167fcd6aa08552f49d28f42e26c8b2444202395a88b17e05b8"],"state_sha256":"f8f7f0d2713dc056fda63bb9500fafde1eed640330241e9a1acc238e25a5d3a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O2Obd89d6M77hhPvb1BXUCa0LhrNArltUwv13QpK+bE0kBUqai7MPFsekIUa/joR/ZqRCIwk3k818sb3yImKCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T13:47:43.279496Z","bundle_sha256":"4db04378103660e4a3ba7f2ac4ff19da58f8903cd9c8e676db7c0cb9c6d3f806"}}