{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:3BWSVF6X2N7JHKOGFKKCO53HPL","short_pith_number":"pith:3BWSVF6X","canonical_record":{"source":{"id":"1911.05493","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-11-03T02:45:20Z","cross_cats_sorted":["cs.LG","stat.ML"],"title_canon_sha256":"d7ea2087679d1f62b4783acfb9ec9e518263f4de1fc419e5d4fde532bcd7ce54","abstract_canon_sha256":"a1c628400305f3e7ec3762da3d03c96e5fedb9e7dc9b7185a069173dc34fac08"},"schema_version":"1.0"},"canonical_sha256":"d86d2a97d7d37e93a9c62a942777677ac867c3e46a39f97dbcffb9f3f52f338e","source":{"kind":"arxiv","id":"1911.05493","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.05493","created_at":"2026-07-05T00:18:57Z"},{"alias_kind":"arxiv_version","alias_value":"1911.05493v1","created_at":"2026-07-05T00:18:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.05493","created_at":"2026-07-05T00:18:57Z"},{"alias_kind":"pith_short_12","alias_value":"3BWSVF6X2N7J","created_at":"2026-07-05T00:18:57Z"},{"alias_kind":"pith_short_16","alias_value":"3BWSVF6X2N7JHKOG","created_at":"2026-07-05T00:18:57Z"},{"alias_kind":"pith_short_8","alias_value":"3BWSVF6X","created_at":"2026-07-05T00:18:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:3BWSVF6X2N7JHKOGFKKCO53HPL","target":"record","payload":{"canonical_record":{"source":{"id":"1911.05493","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-11-03T02:45:20Z","cross_cats_sorted":["cs.LG","stat.ML"],"title_canon_sha256":"d7ea2087679d1f62b4783acfb9ec9e518263f4de1fc419e5d4fde532bcd7ce54","abstract_canon_sha256":"a1c628400305f3e7ec3762da3d03c96e5fedb9e7dc9b7185a069173dc34fac08"},"schema_version":"1.0"},"canonical_sha256":"d86d2a97d7d37e93a9c62a942777677ac867c3e46a39f97dbcffb9f3f52f338e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:18:57.783884Z","signature_b64":"798y5ueuO0aCmAGRM3u+XmzB0kF0XdV9UVk8BIucP8TakHPDeEhUDqreyVQGR2Aoe3foUlsY79CSEopLXw8mDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d86d2a97d7d37e93a9c62a942777677ac867c3e46a39f97dbcffb9f3f52f338e","last_reissued_at":"2026-07-05T00:18:57.783447Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:18:57.783447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.05493","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":"2026-07-05T00:18:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I4Q584EaoytDSb3N0bBh0ZvBkgrtXUJbiJjrqg1tspJEEJwFD7UQ2Rk41i5QyJxI7EpanMDPcWUiNDVlR9XhBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:04:52.399483Z"},"content_sha256":"d504d1df5a39236d973189394a604c6b315ce54c45c6aabe0633ff60b389df75","schema_version":"1.0","event_id":"sha256:d504d1df5a39236d973189394a604c6b315ce54c45c6aabe0633ff60b389df75"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:3BWSVF6X2N7JHKOGFKKCO53HPL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"UrbanRhythm: Revealing Urban Dynamics Hidden in Mobility Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","stat.ML"],"primary_cat":"cs.SI","authors_text":"Depeng Jin, Pan Hui, Sirui Song, Tong Xia, Yong Li","submitted_at":"2019-11-03T02:45:20Z","abstract_excerpt":"Understanding urban dynamics, i.e., how the types and intensity of urban residents' activities in the city change along with time, is of urgent demand for building an efficient and livable city. Nonetheless, this is challenging due to the expanding urban population and the complicated spatial distribution of residents. In this paper, to reveal urban dynamics, we propose a novel system UrbanRhythm to reveal the urban dynamics hidden in human mobility data. UrbanRhythm addresses three questions: 1) What mobility feature should be used to present residents' high-dimensional activities in the city"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.05493","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/1911.05493/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":"2026-07-05T00:18:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+EP5WgaDfYwwYJHfC6u3BJHsczyMOcaWT9KE/Ygv2A7+JN5jshtCUWfKgMR/IeXKUeZQtvgdXZciziDAyfevDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:04:52.400078Z"},"content_sha256":"8f599495ccd9a3ac78b5d541585541f69632334f89a2a33e67ce1b08617a6206","schema_version":"1.0","event_id":"sha256:8f599495ccd9a3ac78b5d541585541f69632334f89a2a33e67ce1b08617a6206"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3BWSVF6X2N7JHKOGFKKCO53HPL/bundle.json","state_url":"https://pith.science/pith/3BWSVF6X2N7JHKOGFKKCO53HPL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3BWSVF6X2N7JHKOGFKKCO53HPL/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":"2026-08-04T21:04:52Z","links":{"resolver":"https://pith.science/pith/3BWSVF6X2N7JHKOGFKKCO53HPL","bundle":"https://pith.science/pith/3BWSVF6X2N7JHKOGFKKCO53HPL/bundle.json","state":"https://pith.science/pith/3BWSVF6X2N7JHKOGFKKCO53HPL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3BWSVF6X2N7JHKOGFKKCO53HPL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:3BWSVF6X2N7JHKOGFKKCO53HPL","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":"a1c628400305f3e7ec3762da3d03c96e5fedb9e7dc9b7185a069173dc34fac08","cross_cats_sorted":["cs.LG","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-11-03T02:45:20Z","title_canon_sha256":"d7ea2087679d1f62b4783acfb9ec9e518263f4de1fc419e5d4fde532bcd7ce54"},"schema_version":"1.0","source":{"id":"1911.05493","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.05493","created_at":"2026-07-05T00:18:57Z"},{"alias_kind":"arxiv_version","alias_value":"1911.05493v1","created_at":"2026-07-05T00:18:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.05493","created_at":"2026-07-05T00:18:57Z"},{"alias_kind":"pith_short_12","alias_value":"3BWSVF6X2N7J","created_at":"2026-07-05T00:18:57Z"},{"alias_kind":"pith_short_16","alias_value":"3BWSVF6X2N7JHKOG","created_at":"2026-07-05T00:18:57Z"},{"alias_kind":"pith_short_8","alias_value":"3BWSVF6X","created_at":"2026-07-05T00:18:57Z"}],"graph_snapshots":[{"event_id":"sha256:8f599495ccd9a3ac78b5d541585541f69632334f89a2a33e67ce1b08617a6206","target":"graph","created_at":"2026-07-05T00:18:57Z","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/1911.05493/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Understanding urban dynamics, i.e., how the types and intensity of urban residents' activities in the city change along with time, is of urgent demand for building an efficient and livable city. Nonetheless, this is challenging due to the expanding urban population and the complicated spatial distribution of residents. In this paper, to reveal urban dynamics, we propose a novel system UrbanRhythm to reveal the urban dynamics hidden in human mobility data. UrbanRhythm addresses three questions: 1) What mobility feature should be used to present residents' high-dimensional activities in the city","authors_text":"Depeng Jin, Pan Hui, Sirui Song, Tong Xia, Yong Li","cross_cats":["cs.LG","stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-11-03T02:45:20Z","title":"UrbanRhythm: Revealing Urban Dynamics Hidden in Mobility Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.05493","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:d504d1df5a39236d973189394a604c6b315ce54c45c6aabe0633ff60b389df75","target":"record","created_at":"2026-07-05T00:18:57Z","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":"a1c628400305f3e7ec3762da3d03c96e5fedb9e7dc9b7185a069173dc34fac08","cross_cats_sorted":["cs.LG","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-11-03T02:45:20Z","title_canon_sha256":"d7ea2087679d1f62b4783acfb9ec9e518263f4de1fc419e5d4fde532bcd7ce54"},"schema_version":"1.0","source":{"id":"1911.05493","kind":"arxiv","version":1}},"canonical_sha256":"d86d2a97d7d37e93a9c62a942777677ac867c3e46a39f97dbcffb9f3f52f338e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d86d2a97d7d37e93a9c62a942777677ac867c3e46a39f97dbcffb9f3f52f338e","first_computed_at":"2026-07-05T00:18:57.783447Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:18:57.783447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"798y5ueuO0aCmAGRM3u+XmzB0kF0XdV9UVk8BIucP8TakHPDeEhUDqreyVQGR2Aoe3foUlsY79CSEopLXw8mDg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:18:57.783884Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.05493","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d504d1df5a39236d973189394a604c6b315ce54c45c6aabe0633ff60b389df75","sha256:8f599495ccd9a3ac78b5d541585541f69632334f89a2a33e67ce1b08617a6206"],"state_sha256":"4ccaee2271ab72bdade2f9fe089857959611ab384d44df76771fcb290f3dbb33"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ROVeNl7NUS9WTcgczSkVHsHOfM2YURGfgx1qpMx+jiPmKbff3S1zg+vTDXt6jJ5DQ7in94T0SWuB/2KT67AUDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T21:04:52.403321Z","bundle_sha256":"5a0bf22e1b3dc01177b828a1b71c8645e522da9756543781991007c032979ef8"}}