{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:YLWOJMEUBG4WAJGTEMQNKGOMTV","short_pith_number":"pith:YLWOJMEU","canonical_record":{"source":{"id":"1609.03375","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2016-09-12T12:51:28Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"2ad821c7f72fe45d897fd611eca1645383c59c4964218efc4b0d877a62b96796","abstract_canon_sha256":"272b0aa55bb2e82530b330124dfee45c27e561481de604704ed564c6d7d1cf3a"},"schema_version":"1.0"},"canonical_sha256":"c2ece4b09409b96024d32320d519cc9d4bf2f3d2e6f4398bc84711af91f127a6","source":{"kind":"arxiv","id":"1609.03375","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.03375","created_at":"2026-05-18T00:29:46Z"},{"alias_kind":"arxiv_version","alias_value":"1609.03375v3","created_at":"2026-05-18T00:29:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.03375","created_at":"2026-05-18T00:29:46Z"},{"alias_kind":"pith_short_12","alias_value":"YLWOJMEUBG4W","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YLWOJMEUBG4WAJGT","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YLWOJMEU","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:YLWOJMEUBG4WAJGTEMQNKGOMTV","target":"record","payload":{"canonical_record":{"source":{"id":"1609.03375","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2016-09-12T12:51:28Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"2ad821c7f72fe45d897fd611eca1645383c59c4964218efc4b0d877a62b96796","abstract_canon_sha256":"272b0aa55bb2e82530b330124dfee45c27e561481de604704ed564c6d7d1cf3a"},"schema_version":"1.0"},"canonical_sha256":"c2ece4b09409b96024d32320d519cc9d4bf2f3d2e6f4398bc84711af91f127a6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:46.803858Z","signature_b64":"MMXdHj2CgjJm402//KONcp5jGvLWwhAITi1gNx9W/9/k2gRNI/zTK3zpxwSlBKtLFoGz0Lbp9eR698r4tExnCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2ece4b09409b96024d32320d519cc9d4bf2f3d2e6f4398bc84711af91f127a6","last_reissued_at":"2026-05-18T00:29:46.803260Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:46.803260Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.03375","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":"2026-05-18T00:29:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"owy5ICSOIe+RWDLdKxgI0dBJbsYGVITn8YpEhC280THdCyLEcWeYeBTucS2wYJvjSyzGYcU0XC8wbEIq3sD/Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T03:05:53.935374Z"},"content_sha256":"46bb71e68d8038753975d7b75c039a8ef1cfed1772d9b9db542bfd999399f194","schema_version":"1.0","event_id":"sha256:46bb71e68d8038753975d7b75c039a8ef1cfed1772d9b9db542bfd999399f194"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:YLWOJMEUBG4WAJGTEMQNKGOMTV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Is spatial information in ICT data reliable?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY"],"primary_cat":"physics.soc-ph","authors_text":"Jos\\'e J. Ramasco, Marc Barthelemy, Maxime Lenormand, Thomas Louail","submitted_at":"2016-09-12T12:51:28Z","abstract_excerpt":"An increasing number of human activities are studied using data produced by individuals' ICT devices. In particular, when ICT data contain spatial information, they represent an invaluable source for analyzing urban dynamics. However, there have been relatively few contributions investigating the robustness of this type of results against fluctuations of data characteristics. Here, we present a stability analysis of higher-level information extracted from mobile phone data passively produced during an entire year by 9 million individuals in Senegal. We focus on two information-retrieval tasks:"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.03375","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":""},"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":"2026-05-18T00:29:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lnbFvBDbvmNzYqD6v3N396zpRk1onkgRCKeErc44A0z+rYgkpecDqytzcda297rRlHwqy+Qzn2enGASuH8mBBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T03:05:53.935732Z"},"content_sha256":"3f3ed1da0d1607066cce2822529f200924a0f768823ad350d9241972b59cdf32","schema_version":"1.0","event_id":"sha256:3f3ed1da0d1607066cce2822529f200924a0f768823ad350d9241972b59cdf32"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YLWOJMEUBG4WAJGTEMQNKGOMTV/bundle.json","state_url":"https://pith.science/pith/YLWOJMEUBG4WAJGTEMQNKGOMTV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YLWOJMEUBG4WAJGTEMQNKGOMTV/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":"2026-06-02T03:05:53Z","links":{"resolver":"https://pith.science/pith/YLWOJMEUBG4WAJGTEMQNKGOMTV","bundle":"https://pith.science/pith/YLWOJMEUBG4WAJGTEMQNKGOMTV/bundle.json","state":"https://pith.science/pith/YLWOJMEUBG4WAJGTEMQNKGOMTV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YLWOJMEUBG4WAJGTEMQNKGOMTV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:YLWOJMEUBG4WAJGTEMQNKGOMTV","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":"272b0aa55bb2e82530b330124dfee45c27e561481de604704ed564c6d7d1cf3a","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2016-09-12T12:51:28Z","title_canon_sha256":"2ad821c7f72fe45d897fd611eca1645383c59c4964218efc4b0d877a62b96796"},"schema_version":"1.0","source":{"id":"1609.03375","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.03375","created_at":"2026-05-18T00:29:46Z"},{"alias_kind":"arxiv_version","alias_value":"1609.03375v3","created_at":"2026-05-18T00:29:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.03375","created_at":"2026-05-18T00:29:46Z"},{"alias_kind":"pith_short_12","alias_value":"YLWOJMEUBG4W","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YLWOJMEUBG4WAJGT","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YLWOJMEU","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:3f3ed1da0d1607066cce2822529f200924a0f768823ad350d9241972b59cdf32","target":"graph","created_at":"2026-05-18T00:29:46Z","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":"An increasing number of human activities are studied using data produced by individuals' ICT devices. In particular, when ICT data contain spatial information, they represent an invaluable source for analyzing urban dynamics. However, there have been relatively few contributions investigating the robustness of this type of results against fluctuations of data characteristics. Here, we present a stability analysis of higher-level information extracted from mobile phone data passively produced during an entire year by 9 million individuals in Senegal. We focus on two information-retrieval tasks:","authors_text":"Jos\\'e J. Ramasco, Marc Barthelemy, Maxime Lenormand, Thomas Louail","cross_cats":["cs.CY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2016-09-12T12:51:28Z","title":"Is spatial information in ICT data reliable?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.03375","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":"sha256:46bb71e68d8038753975d7b75c039a8ef1cfed1772d9b9db542bfd999399f194","target":"record","created_at":"2026-05-18T00:29:46Z","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":"272b0aa55bb2e82530b330124dfee45c27e561481de604704ed564c6d7d1cf3a","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2016-09-12T12:51:28Z","title_canon_sha256":"2ad821c7f72fe45d897fd611eca1645383c59c4964218efc4b0d877a62b96796"},"schema_version":"1.0","source":{"id":"1609.03375","kind":"arxiv","version":3}},"canonical_sha256":"c2ece4b09409b96024d32320d519cc9d4bf2f3d2e6f4398bc84711af91f127a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2ece4b09409b96024d32320d519cc9d4bf2f3d2e6f4398bc84711af91f127a6","first_computed_at":"2026-05-18T00:29:46.803260Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:46.803260Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MMXdHj2CgjJm402//KONcp5jGvLWwhAITi1gNx9W/9/k2gRNI/zTK3zpxwSlBKtLFoGz0Lbp9eR698r4tExnCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:46.803858Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.03375","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46bb71e68d8038753975d7b75c039a8ef1cfed1772d9b9db542bfd999399f194","sha256:3f3ed1da0d1607066cce2822529f200924a0f768823ad350d9241972b59cdf32"],"state_sha256":"3ffe9a933e7ce57ff97e158fbd814d37e834e7e16a24043eb1600664b4fd1be8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rq0N6PUxtuzYK+fZuXMzoWU73sEeGX82RT3qiHKbf9KeuYARt0J1hwaWIc95Lh6rdudxTsuFx4sGrI6mkDOmAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T03:05:53.937719Z","bundle_sha256":"6bda21665883a542cfba104437769fbb7ccf42c9715da8035ea4a9bc7d21a14a"}}