{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:NRZIMPULVGOV4M2D5IA6IEHTZU","short_pith_number":"pith:NRZIMPUL","canonical_record":{"source":{"id":"2110.05573","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2021-10-11T19:28:11Z","cross_cats_sorted":["cs.CL","cs.LG"],"title_canon_sha256":"0ff4ef90256dfe5ba7296132ad9f34436d0f3c8a50cd379d9d4476d9930af608","abstract_canon_sha256":"1710f80118c355daf44ed729c129b6f4991d7f2c0bf4a40f40b3cccc7398d731"},"schema_version":"1.0"},"canonical_sha256":"6c72863e8ba99d5e3343ea01e410f3cd3973b916d9d74029d7756521c4382093","source":{"kind":"arxiv","id":"2110.05573","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.05573","created_at":"2026-07-05T03:22:04Z"},{"alias_kind":"arxiv_version","alias_value":"2110.05573v1","created_at":"2026-07-05T03:22:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.05573","created_at":"2026-07-05T03:22:04Z"},{"alias_kind":"pith_short_12","alias_value":"NRZIMPULVGOV","created_at":"2026-07-05T03:22:04Z"},{"alias_kind":"pith_short_16","alias_value":"NRZIMPULVGOV4M2D","created_at":"2026-07-05T03:22:04Z"},{"alias_kind":"pith_short_8","alias_value":"NRZIMPUL","created_at":"2026-07-05T03:22:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:NRZIMPULVGOV4M2D5IA6IEHTZU","target":"record","payload":{"canonical_record":{"source":{"id":"2110.05573","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2021-10-11T19:28:11Z","cross_cats_sorted":["cs.CL","cs.LG"],"title_canon_sha256":"0ff4ef90256dfe5ba7296132ad9f34436d0f3c8a50cd379d9d4476d9930af608","abstract_canon_sha256":"1710f80118c355daf44ed729c129b6f4991d7f2c0bf4a40f40b3cccc7398d731"},"schema_version":"1.0"},"canonical_sha256":"6c72863e8ba99d5e3343ea01e410f3cd3973b916d9d74029d7756521c4382093","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:22:04.310086Z","signature_b64":"Lm3mTktkkIzJcg8HhL+vYRB+fQXK9QhwHv2AeOkqG24vXzlNX4zq0VEzet9LK4dakkrKNyhjFbwb78UbpE3CBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c72863e8ba99d5e3343ea01e410f3cd3973b916d9d74029d7756521c4382093","last_reissued_at":"2026-07-05T03:22:04.309574Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:22:04.309574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.05573","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":"2026-07-05T03:22:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mm5qNWcyIbAr2aRTQPaUhMMbxw5ymS/e8pUR4Pu203+hDosvd92eobt0BY2aRC1Sqy5iUmU320BuA4AIBduLAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T10:02:42.153136Z"},"content_sha256":"7f3dfc9a60cd0425b20e3e949b895bb23876e96e4325fc50c09ae28bceae72dd","schema_version":"1.0","event_id":"sha256:7f3dfc9a60cd0425b20e3e949b895bb23876e96e4325fc50c09ae28bceae72dd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:NRZIMPULVGOV4M2D5IA6IEHTZU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spatial Data Mining of Public Transport Incidents reported in Social Media","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":["cs.CL","cs.LG"],"primary_cat":"cs.SI","authors_text":"Kamil Raczycki, Marcin Szyma\\'nski, Piotr Szyma\\'nski, Tomasz Kajdanowicz, Yahor Yeliseyenka","submitted_at":"2021-10-11T19:28:11Z","abstract_excerpt":"Public transport agencies use social media as an essential tool for communicating mobility incidents to passengers. However, while the short term, day-to-day information about transport phenomena is usually posted in social media with low latency, its availability is short term as the content is rarely made an aggregated form. Social media communication of transport phenomena usually lacks GIS annotations as most social media platforms do not allow attaching non-POI GPS coordinates to posts. As a result, the analysis of transport phenomena information is minimal. We collected three years of so"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.05573","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/2110.05573/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":"2026-07-05T03:22:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IyrWA7+gFCAgGaCzCJy/afW7qOX+8UWNZzYnFbcHpvi6GWjP3Z6D9EbUV4+ym6MCU4xmDytaKOme45RlZocVBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T10:02:42.153528Z"},"content_sha256":"30bcf0949a163194c2c35d23954005a2b03b7d27a63b46aeb30011cff20c9449","schema_version":"1.0","event_id":"sha256:30bcf0949a163194c2c35d23954005a2b03b7d27a63b46aeb30011cff20c9449"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NRZIMPULVGOV4M2D5IA6IEHTZU/bundle.json","state_url":"https://pith.science/pith/NRZIMPULVGOV4M2D5IA6IEHTZU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NRZIMPULVGOV4M2D5IA6IEHTZU/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":"2026-07-07T10:02:42Z","links":{"resolver":"https://pith.science/pith/NRZIMPULVGOV4M2D5IA6IEHTZU","bundle":"https://pith.science/pith/NRZIMPULVGOV4M2D5IA6IEHTZU/bundle.json","state":"https://pith.science/pith/NRZIMPULVGOV4M2D5IA6IEHTZU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NRZIMPULVGOV4M2D5IA6IEHTZU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:NRZIMPULVGOV4M2D5IA6IEHTZU","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":"1710f80118c355daf44ed729c129b6f4991d7f2c0bf4a40f40b3cccc7398d731","cross_cats_sorted":["cs.CL","cs.LG"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2021-10-11T19:28:11Z","title_canon_sha256":"0ff4ef90256dfe5ba7296132ad9f34436d0f3c8a50cd379d9d4476d9930af608"},"schema_version":"1.0","source":{"id":"2110.05573","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.05573","created_at":"2026-07-05T03:22:04Z"},{"alias_kind":"arxiv_version","alias_value":"2110.05573v1","created_at":"2026-07-05T03:22:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.05573","created_at":"2026-07-05T03:22:04Z"},{"alias_kind":"pith_short_12","alias_value":"NRZIMPULVGOV","created_at":"2026-07-05T03:22:04Z"},{"alias_kind":"pith_short_16","alias_value":"NRZIMPULVGOV4M2D","created_at":"2026-07-05T03:22:04Z"},{"alias_kind":"pith_short_8","alias_value":"NRZIMPUL","created_at":"2026-07-05T03:22:04Z"}],"graph_snapshots":[{"event_id":"sha256:30bcf0949a163194c2c35d23954005a2b03b7d27a63b46aeb30011cff20c9449","target":"graph","created_at":"2026-07-05T03:22:04Z","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/2110.05573/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Public transport agencies use social media as an essential tool for communicating mobility incidents to passengers. However, while the short term, day-to-day information about transport phenomena is usually posted in social media with low latency, its availability is short term as the content is rarely made an aggregated form. Social media communication of transport phenomena usually lacks GIS annotations as most social media platforms do not allow attaching non-POI GPS coordinates to posts. As a result, the analysis of transport phenomena information is minimal. We collected three years of so","authors_text":"Kamil Raczycki, Marcin Szyma\\'nski, Piotr Szyma\\'nski, Tomasz Kajdanowicz, Yahor Yeliseyenka","cross_cats":["cs.CL","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2021-10-11T19:28:11Z","title":"Spatial Data Mining of Public Transport Incidents reported in Social Media"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.05573","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":"sha256:7f3dfc9a60cd0425b20e3e949b895bb23876e96e4325fc50c09ae28bceae72dd","target":"record","created_at":"2026-07-05T03:22:04Z","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":"1710f80118c355daf44ed729c129b6f4991d7f2c0bf4a40f40b3cccc7398d731","cross_cats_sorted":["cs.CL","cs.LG"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2021-10-11T19:28:11Z","title_canon_sha256":"0ff4ef90256dfe5ba7296132ad9f34436d0f3c8a50cd379d9d4476d9930af608"},"schema_version":"1.0","source":{"id":"2110.05573","kind":"arxiv","version":1}},"canonical_sha256":"6c72863e8ba99d5e3343ea01e410f3cd3973b916d9d74029d7756521c4382093","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6c72863e8ba99d5e3343ea01e410f3cd3973b916d9d74029d7756521c4382093","first_computed_at":"2026-07-05T03:22:04.309574Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:22:04.309574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Lm3mTktkkIzJcg8HhL+vYRB+fQXK9QhwHv2AeOkqG24vXzlNX4zq0VEzet9LK4dakkrKNyhjFbwb78UbpE3CBg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:22:04.310086Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.05573","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f3dfc9a60cd0425b20e3e949b895bb23876e96e4325fc50c09ae28bceae72dd","sha256:30bcf0949a163194c2c35d23954005a2b03b7d27a63b46aeb30011cff20c9449"],"state_sha256":"27c961dd4fe3f222f8006c760e796562eb5f874406d5858aba259c3fa9215342"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tpdJm1hKoIgQ8ygd/S/i897PkN/sZS8gjpdX/uTp6QkZ3ZcnOoeMITm2WFBsEInBr/37lPyyJdghCIRhZC1fDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T10:02:42.155482Z","bundle_sha256":"5beec43a002bae9b5a5d57ec62838f7929dcc87c6ed46ebbc4871918b2df6121"}}