{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:JZKHH7YBYHEVIFBFIVOJDI635T","short_pith_number":"pith:JZKHH7YB","canonical_record":{"source":{"id":"1704.01802","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2017-04-06T12:21:57Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"631ace25096ffb6537f217e44e9abc74b9d2f169d549fffae389dad317c85ce4","abstract_canon_sha256":"1f74e0367d91c9bfdb7313d9f5e1d2cde18401d71b8617f7d137b83c119f686d"},"schema_version":"1.0"},"canonical_sha256":"4e5473ff01c1c9541425455c91a3dbecdae258b820332f68646e12b6fd17a74a","source":{"kind":"arxiv","id":"1704.01802","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.01802","created_at":"2026-05-18T00:46:54Z"},{"alias_kind":"arxiv_version","alias_value":"1704.01802v1","created_at":"2026-05-18T00:46:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.01802","created_at":"2026-05-18T00:46:54Z"},{"alias_kind":"pith_short_12","alias_value":"JZKHH7YBYHEV","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JZKHH7YBYHEVIFBF","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JZKHH7YB","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:JZKHH7YBYHEVIFBFIVOJDI635T","target":"record","payload":{"canonical_record":{"source":{"id":"1704.01802","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2017-04-06T12:21:57Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"631ace25096ffb6537f217e44e9abc74b9d2f169d549fffae389dad317c85ce4","abstract_canon_sha256":"1f74e0367d91c9bfdb7313d9f5e1d2cde18401d71b8617f7d137b83c119f686d"},"schema_version":"1.0"},"canonical_sha256":"4e5473ff01c1c9541425455c91a3dbecdae258b820332f68646e12b6fd17a74a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:54.312082Z","signature_b64":"cy12M+CmTowyr52eRHHlQ62mPwaZsNWbDVJVjxPTP7H4HQ/1ku0/whdiWqy7HXlI4kZKfDVoJPTdNk72NdQtDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e5473ff01c1c9541425455c91a3dbecdae258b820332f68646e12b6fd17a74a","last_reissued_at":"2026-05-18T00:46:54.311607Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:54.311607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.01802","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":"2026-05-18T00:46:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/IRr6pAh3ABrNmLbtcI9NuTEKwmpgyvGeKZDjgujatWMDa2TzmEeGDmOHWH7a3e/v7BIMeNEAgDBJOPN2bjZAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T09:44:01.744005Z"},"content_sha256":"f703dc7046cf3bb1b9d3a511cad8d3faeee5c1f425ded55e17d1b0223aa28289","schema_version":"1.0","event_id":"sha256:f703dc7046cf3bb1b9d3a511cad8d3faeee5c1f425ded55e17d1b0223aa28289"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:JZKHH7YBYHEVIFBFIVOJDI635T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Contextual Data Collection for Smart Cities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY"],"primary_cat":"cs.AI","authors_text":"Deborah L. McGuinness, Henrique Santos, Paulo Pinheiro, Vasco Furtado","submitted_at":"2017-04-06T12:21:57Z","abstract_excerpt":"As part of Smart Cities initiatives, national, regional and local governments all over the globe are under the mandate of being more open regarding how they share their data. Under this mandate, many of these governments are publishing data under the umbrella of open government data, which includes measurement data from city-wide sensor networks. Furthermore, many of these data are published in so-called data portals as documents that may be spreadsheets, comma-separated value (CSV) data files, or plain documents in PDF or Word documents. The sharing of these documents may be a convenient way "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.01802","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":""},"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":"2026-05-18T00:46:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IpMWMeLEbtIsPbKrzyy8VOEhvMQ77qawRLXoDkm0N1RdDvtZSaVYiA/KbUJJ2kaUc3h2y5+GH/WNXU2UjlDwAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T09:44:01.744356Z"},"content_sha256":"5f36286db59bfdcd56dd4fba8fc0d9aba23f22b7b5403a43213da9fd85a964da","schema_version":"1.0","event_id":"sha256:5f36286db59bfdcd56dd4fba8fc0d9aba23f22b7b5403a43213da9fd85a964da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JZKHH7YBYHEVIFBFIVOJDI635T/bundle.json","state_url":"https://pith.science/pith/JZKHH7YBYHEVIFBFIVOJDI635T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JZKHH7YBYHEVIFBFIVOJDI635T/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":"2026-06-22T09:44:01Z","links":{"resolver":"https://pith.science/pith/JZKHH7YBYHEVIFBFIVOJDI635T","bundle":"https://pith.science/pith/JZKHH7YBYHEVIFBFIVOJDI635T/bundle.json","state":"https://pith.science/pith/JZKHH7YBYHEVIFBFIVOJDI635T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JZKHH7YBYHEVIFBFIVOJDI635T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:JZKHH7YBYHEVIFBFIVOJDI635T","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":"1f74e0367d91c9bfdb7313d9f5e1d2cde18401d71b8617f7d137b83c119f686d","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2017-04-06T12:21:57Z","title_canon_sha256":"631ace25096ffb6537f217e44e9abc74b9d2f169d549fffae389dad317c85ce4"},"schema_version":"1.0","source":{"id":"1704.01802","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.01802","created_at":"2026-05-18T00:46:54Z"},{"alias_kind":"arxiv_version","alias_value":"1704.01802v1","created_at":"2026-05-18T00:46:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.01802","created_at":"2026-05-18T00:46:54Z"},{"alias_kind":"pith_short_12","alias_value":"JZKHH7YBYHEV","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JZKHH7YBYHEVIFBF","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JZKHH7YB","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:5f36286db59bfdcd56dd4fba8fc0d9aba23f22b7b5403a43213da9fd85a964da","target":"graph","created_at":"2026-05-18T00:46:54Z","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":"As part of Smart Cities initiatives, national, regional and local governments all over the globe are under the mandate of being more open regarding how they share their data. Under this mandate, many of these governments are publishing data under the umbrella of open government data, which includes measurement data from city-wide sensor networks. Furthermore, many of these data are published in so-called data portals as documents that may be spreadsheets, comma-separated value (CSV) data files, or plain documents in PDF or Word documents. The sharing of these documents may be a convenient way ","authors_text":"Deborah L. McGuinness, Henrique Santos, Paulo Pinheiro, Vasco Furtado","cross_cats":["cs.CY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2017-04-06T12:21:57Z","title":"Contextual Data Collection for Smart Cities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.01802","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:f703dc7046cf3bb1b9d3a511cad8d3faeee5c1f425ded55e17d1b0223aa28289","target":"record","created_at":"2026-05-18T00:46:54Z","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":"1f74e0367d91c9bfdb7313d9f5e1d2cde18401d71b8617f7d137b83c119f686d","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2017-04-06T12:21:57Z","title_canon_sha256":"631ace25096ffb6537f217e44e9abc74b9d2f169d549fffae389dad317c85ce4"},"schema_version":"1.0","source":{"id":"1704.01802","kind":"arxiv","version":1}},"canonical_sha256":"4e5473ff01c1c9541425455c91a3dbecdae258b820332f68646e12b6fd17a74a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e5473ff01c1c9541425455c91a3dbecdae258b820332f68646e12b6fd17a74a","first_computed_at":"2026-05-18T00:46:54.311607Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:54.311607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cy12M+CmTowyr52eRHHlQ62mPwaZsNWbDVJVjxPTP7H4HQ/1ku0/whdiWqy7HXlI4kZKfDVoJPTdNk72NdQtDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:54.312082Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.01802","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f703dc7046cf3bb1b9d3a511cad8d3faeee5c1f425ded55e17d1b0223aa28289","sha256:5f36286db59bfdcd56dd4fba8fc0d9aba23f22b7b5403a43213da9fd85a964da"],"state_sha256":"e0a49d2c118e553ccf5097f9bf6d404d1ca93442f50832f296af0d10ab4f5e21"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VtcWCppW1XgdgMNQh5VM+WllmdikQc2HdB89uXA5eQzH0GcqM4sZDwl/TqUNKwAKLQ8oSdlJoc9rtAVsJQXyBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T09:44:01.746256Z","bundle_sha256":"4ac93e32b6a992fb831e46adeaa7fc46935bc89952a5bae2d1902b068787cc44"}}