{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:GSDXDRFELAX62HURBJOOBNKI2D","short_pith_number":"pith:GSDXDRFE","canonical_record":{"source":{"id":"1706.06253","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2017-06-20T03:19:33Z","cross_cats_sorted":["cs.CY","physics.soc-ph"],"title_canon_sha256":"54a036701600d40fbc03704732f8de3c8047788f3b0b478e8a781fe8f57984fc","abstract_canon_sha256":"30929d67dcb1ea56a859717666806c81000c83bf39817a8542aa37e32dd35b06"},"schema_version":"1.0"},"canonical_sha256":"348771c4a4582fed1e910a5ce0b548d0e40a3e858f8ddb653349fa9c3462b763","source":{"kind":"arxiv","id":"1706.06253","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.06253","created_at":"2026-05-18T00:42:03Z"},{"alias_kind":"arxiv_version","alias_value":"1706.06253v1","created_at":"2026-05-18T00:42:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.06253","created_at":"2026-05-18T00:42:03Z"},{"alias_kind":"pith_short_12","alias_value":"GSDXDRFELAX6","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"GSDXDRFELAX62HUR","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"GSDXDRFE","created_at":"2026-05-18T12:31:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:GSDXDRFELAX62HURBJOOBNKI2D","target":"record","payload":{"canonical_record":{"source":{"id":"1706.06253","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2017-06-20T03:19:33Z","cross_cats_sorted":["cs.CY","physics.soc-ph"],"title_canon_sha256":"54a036701600d40fbc03704732f8de3c8047788f3b0b478e8a781fe8f57984fc","abstract_canon_sha256":"30929d67dcb1ea56a859717666806c81000c83bf39817a8542aa37e32dd35b06"},"schema_version":"1.0"},"canonical_sha256":"348771c4a4582fed1e910a5ce0b548d0e40a3e858f8ddb653349fa9c3462b763","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:03.758594Z","signature_b64":"m6YEUP+zbAb7CjpuJmxqShVHAGhu78JQ31+QuqMmL4peeMvHuo6h31M9WZXyNitpkbNb/igKBgdQDbf7qLSeDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"348771c4a4582fed1e910a5ce0b548d0e40a3e858f8ddb653349fa9c3462b763","last_reissued_at":"2026-05-18T00:42:03.757849Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:03.757849Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.06253","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":"2026-05-18T00:42:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"52pdLV66oy5DEMi2mIffoo8DWsEs9ACFX1Yzfx7rh/Y8hExw/SI1dg0ZtRpPHLgWDxiFsPrA3EiJ3IjAVX9HCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:28:53.561563Z"},"content_sha256":"8146d9f2e19a9443743c9c5b5892594538705d252ac9e47b40fb829f029b0740","schema_version":"1.0","event_id":"sha256:8146d9f2e19a9443743c9c5b5892594538705d252ac9e47b40fb829f029b0740"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:GSDXDRFELAX62HURBJOOBNKI2D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Social Events in a Time-Varying Mobile Phone Graph","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cs.CY","physics.soc-ph"],"primary_cat":"cs.SI","authors_text":"Artur Ziviani, Carlos Sarraute, Javier Burroni, J.I. Alvarez-Hamelin, Jorge Brea, Klaus Wehmuth","submitted_at":"2017-06-20T03:19:33Z","abstract_excerpt":"The large-scale study of human mobility has been significantly enhanced over the last decade by the massive use of mobile phones in urban populations. Studying the activity of mobile phones allows us, not only to infer social networks between individuals, but also to observe the movements of these individuals in space and time. In this work, we investigate how these two related sources of information can be integrated within the context of detecting and analyzing large social events. We show that large social events can be characterized not only by an anomalous increase in activity of the ante"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.06253","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":"2026-05-18T00:42:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5GH6oKMKlzzqfBrjeDm6cEiEuT1AziDHviBVcrhGuTAc2F94bC+nOM2EP6T/0Wn8s1Z16V8dyR6SDzSdEYWbDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:28:53.562169Z"},"content_sha256":"50cf20a1b809364756cd4ec0bf46bc801e4fea00e708e4a5fbcbf51c3096e28d","schema_version":"1.0","event_id":"sha256:50cf20a1b809364756cd4ec0bf46bc801e4fea00e708e4a5fbcbf51c3096e28d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GSDXDRFELAX62HURBJOOBNKI2D/bundle.json","state_url":"https://pith.science/pith/GSDXDRFELAX62HURBJOOBNKI2D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GSDXDRFELAX62HURBJOOBNKI2D/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":"2026-06-05T06:28:53Z","links":{"resolver":"https://pith.science/pith/GSDXDRFELAX62HURBJOOBNKI2D","bundle":"https://pith.science/pith/GSDXDRFELAX62HURBJOOBNKI2D/bundle.json","state":"https://pith.science/pith/GSDXDRFELAX62HURBJOOBNKI2D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GSDXDRFELAX62HURBJOOBNKI2D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:GSDXDRFELAX62HURBJOOBNKI2D","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":"30929d67dcb1ea56a859717666806c81000c83bf39817a8542aa37e32dd35b06","cross_cats_sorted":["cs.CY","physics.soc-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2017-06-20T03:19:33Z","title_canon_sha256":"54a036701600d40fbc03704732f8de3c8047788f3b0b478e8a781fe8f57984fc"},"schema_version":"1.0","source":{"id":"1706.06253","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.06253","created_at":"2026-05-18T00:42:03Z"},{"alias_kind":"arxiv_version","alias_value":"1706.06253v1","created_at":"2026-05-18T00:42:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.06253","created_at":"2026-05-18T00:42:03Z"},{"alias_kind":"pith_short_12","alias_value":"GSDXDRFELAX6","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"GSDXDRFELAX62HUR","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"GSDXDRFE","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:50cf20a1b809364756cd4ec0bf46bc801e4fea00e708e4a5fbcbf51c3096e28d","target":"graph","created_at":"2026-05-18T00:42:03Z","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":"The large-scale study of human mobility has been significantly enhanced over the last decade by the massive use of mobile phones in urban populations. Studying the activity of mobile phones allows us, not only to infer social networks between individuals, but also to observe the movements of these individuals in space and time. In this work, we investigate how these two related sources of information can be integrated within the context of detecting and analyzing large social events. We show that large social events can be characterized not only by an anomalous increase in activity of the ante","authors_text":"Artur Ziviani, Carlos Sarraute, Javier Burroni, J.I. Alvarez-Hamelin, Jorge Brea, Klaus Wehmuth","cross_cats":["cs.CY","physics.soc-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2017-06-20T03:19:33Z","title":"Social Events in a Time-Varying Mobile Phone Graph"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.06253","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":"sha256:8146d9f2e19a9443743c9c5b5892594538705d252ac9e47b40fb829f029b0740","target":"record","created_at":"2026-05-18T00:42:03Z","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":"30929d67dcb1ea56a859717666806c81000c83bf39817a8542aa37e32dd35b06","cross_cats_sorted":["cs.CY","physics.soc-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2017-06-20T03:19:33Z","title_canon_sha256":"54a036701600d40fbc03704732f8de3c8047788f3b0b478e8a781fe8f57984fc"},"schema_version":"1.0","source":{"id":"1706.06253","kind":"arxiv","version":1}},"canonical_sha256":"348771c4a4582fed1e910a5ce0b548d0e40a3e858f8ddb653349fa9c3462b763","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"348771c4a4582fed1e910a5ce0b548d0e40a3e858f8ddb653349fa9c3462b763","first_computed_at":"2026-05-18T00:42:03.757849Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:03.757849Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m6YEUP+zbAb7CjpuJmxqShVHAGhu78JQ31+QuqMmL4peeMvHuo6h31M9WZXyNitpkbNb/igKBgdQDbf7qLSeDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:03.758594Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.06253","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8146d9f2e19a9443743c9c5b5892594538705d252ac9e47b40fb829f029b0740","sha256:50cf20a1b809364756cd4ec0bf46bc801e4fea00e708e4a5fbcbf51c3096e28d"],"state_sha256":"abd78c6ce90120bb005ab132b1f07da7118079fa82739d0189637fb442c36407"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yGzFWhkz2JeyKoeyshRQqiv6Mj3/WwS7BLXPchDvGr/AafNjoXT9YGUS697goU5WOEd25ucmaPYFQVgiz1BBBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T06:28:53.566237Z","bundle_sha256":"e042b23e1bdc59c406a91ed701cb3a88291b1a6ec318ef017be530ec5350436e"}}