{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:K7RVF7YQMBXO7A5W4AD42JNINU","short_pith_number":"pith:K7RVF7YQ","canonical_record":{"source":{"id":"1504.02463","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-04-09T18:48:31Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"437dea8164b2be80ea304eb98892d51780f4dffc9902172e805a014bdea6bec5","abstract_canon_sha256":"ff05e6eb4757f71b0abfc4b138945c98ec2054691fb94ebb4b616c933d72dcc8"},"schema_version":"1.0"},"canonical_sha256":"57e352ff10606eef83b6e007cd25a86d3c90e6706f81d66a61370c0d19003f95","source":{"kind":"arxiv","id":"1504.02463","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.02463","created_at":"2026-05-18T01:55:59Z"},{"alias_kind":"arxiv_version","alias_value":"1504.02463v2","created_at":"2026-05-18T01:55:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.02463","created_at":"2026-05-18T01:55:59Z"},{"alias_kind":"pith_short_12","alias_value":"K7RVF7YQMBXO","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"K7RVF7YQMBXO7A5W","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"K7RVF7YQ","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:K7RVF7YQMBXO7A5W4AD42JNINU","target":"record","payload":{"canonical_record":{"source":{"id":"1504.02463","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-04-09T18:48:31Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"437dea8164b2be80ea304eb98892d51780f4dffc9902172e805a014bdea6bec5","abstract_canon_sha256":"ff05e6eb4757f71b0abfc4b138945c98ec2054691fb94ebb4b616c933d72dcc8"},"schema_version":"1.0"},"canonical_sha256":"57e352ff10606eef83b6e007cd25a86d3c90e6706f81d66a61370c0d19003f95","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:59.522616Z","signature_b64":"icn8X57pTkEOKtEUM5AxqVrilySA/y9dtrFMdwTzaEvZiCeRhez9mqfCafaS4N4ypKuhvBKs/3LBzNuy9nrXAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57e352ff10606eef83b6e007cd25a86d3c90e6706f81d66a61370c0d19003f95","last_reissued_at":"2026-05-18T01:55:59.522177Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:59.522177Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.02463","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:55:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ws5OUBGM8zs+J4+SJ0G2SThI/P/3w/8qesQ5U2E2h7VMOBoP+PPA+5mjgJGos6Um9+BX8pheP39XESUE72TuCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T22:37:18.158958Z"},"content_sha256":"09dca2f5606d043ab6344fc5dcde124721814b8150210b761385b1e1ed177e2f","schema_version":"1.0","event_id":"sha256:09dca2f5606d043ab6344fc5dcde124721814b8150210b761385b1e1ed177e2f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:K7RVF7YQMBXO7A5W4AD42JNINU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Earthquakes, Hurricanes, and Mobile Communication Patterns in the New York Metro Area: Collective Behavior during Extreme Events","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY"],"primary_cat":"cs.SI","authors_text":"Christopher Small, Ram\\'on C\\'aceres, Richard Becker, Simon Urbanek","submitted_at":"2015-04-09T18:48:31Z","abstract_excerpt":"We use wireless voice-call and text-message volumes to quantify spatiotemporal communication patterns in the New York Metro area before, during, and after the Virginia earthquake and Hurricane Irene in 2011. The earthquake produces an instantaneous and pervasive increase in volume and a ~90-minute temporal disruption to both call and text volume patterns, but call volume anomalies are much larger. The magnitude of call volume anomaly diminishes with distance from earthquake epicenter, with multiple clusters of high response in Manhattan. The hurricane produces a two-day, spatially varying disr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.02463","kind":"arxiv","version":2},"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":"2026-05-18T01:55:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ViSlskfDf91jG+a4fayY+pIgRi2Va0Uqt8+U4ICCe8DHtzu7vhxDKRkpnb74bA8znyqntoqT4JxqNHwIVNzLAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T22:37:18.159698Z"},"content_sha256":"349cb42c22cb6bf9bb504e9292c09a4597ea6bf3c4a73c31b77a111d7b566510","schema_version":"1.0","event_id":"sha256:349cb42c22cb6bf9bb504e9292c09a4597ea6bf3c4a73c31b77a111d7b566510"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K7RVF7YQMBXO7A5W4AD42JNINU/bundle.json","state_url":"https://pith.science/pith/K7RVF7YQMBXO7A5W4AD42JNINU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K7RVF7YQMBXO7A5W4AD42JNINU/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":"2026-06-10T22:37:18Z","links":{"resolver":"https://pith.science/pith/K7RVF7YQMBXO7A5W4AD42JNINU","bundle":"https://pith.science/pith/K7RVF7YQMBXO7A5W4AD42JNINU/bundle.json","state":"https://pith.science/pith/K7RVF7YQMBXO7A5W4AD42JNINU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K7RVF7YQMBXO7A5W4AD42JNINU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:K7RVF7YQMBXO7A5W4AD42JNINU","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":"ff05e6eb4757f71b0abfc4b138945c98ec2054691fb94ebb4b616c933d72dcc8","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-04-09T18:48:31Z","title_canon_sha256":"437dea8164b2be80ea304eb98892d51780f4dffc9902172e805a014bdea6bec5"},"schema_version":"1.0","source":{"id":"1504.02463","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.02463","created_at":"2026-05-18T01:55:59Z"},{"alias_kind":"arxiv_version","alias_value":"1504.02463v2","created_at":"2026-05-18T01:55:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.02463","created_at":"2026-05-18T01:55:59Z"},{"alias_kind":"pith_short_12","alias_value":"K7RVF7YQMBXO","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"K7RVF7YQMBXO7A5W","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"K7RVF7YQ","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:349cb42c22cb6bf9bb504e9292c09a4597ea6bf3c4a73c31b77a111d7b566510","target":"graph","created_at":"2026-05-18T01:55:59Z","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":"We use wireless voice-call and text-message volumes to quantify spatiotemporal communication patterns in the New York Metro area before, during, and after the Virginia earthquake and Hurricane Irene in 2011. The earthquake produces an instantaneous and pervasive increase in volume and a ~90-minute temporal disruption to both call and text volume patterns, but call volume anomalies are much larger. The magnitude of call volume anomaly diminishes with distance from earthquake epicenter, with multiple clusters of high response in Manhattan. The hurricane produces a two-day, spatially varying disr","authors_text":"Christopher Small, Ram\\'on C\\'aceres, Richard Becker, Simon Urbanek","cross_cats":["cs.CY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-04-09T18:48:31Z","title":"Earthquakes, Hurricanes, and Mobile Communication Patterns in the New York Metro Area: Collective Behavior during Extreme Events"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.02463","kind":"arxiv","version":2},"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":"sha256:09dca2f5606d043ab6344fc5dcde124721814b8150210b761385b1e1ed177e2f","target":"record","created_at":"2026-05-18T01:55:59Z","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":"ff05e6eb4757f71b0abfc4b138945c98ec2054691fb94ebb4b616c933d72dcc8","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-04-09T18:48:31Z","title_canon_sha256":"437dea8164b2be80ea304eb98892d51780f4dffc9902172e805a014bdea6bec5"},"schema_version":"1.0","source":{"id":"1504.02463","kind":"arxiv","version":2}},"canonical_sha256":"57e352ff10606eef83b6e007cd25a86d3c90e6706f81d66a61370c0d19003f95","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57e352ff10606eef83b6e007cd25a86d3c90e6706f81d66a61370c0d19003f95","first_computed_at":"2026-05-18T01:55:59.522177Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:55:59.522177Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"icn8X57pTkEOKtEUM5AxqVrilySA/y9dtrFMdwTzaEvZiCeRhez9mqfCafaS4N4ypKuhvBKs/3LBzNuy9nrXAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:55:59.522616Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.02463","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:09dca2f5606d043ab6344fc5dcde124721814b8150210b761385b1e1ed177e2f","sha256:349cb42c22cb6bf9bb504e9292c09a4597ea6bf3c4a73c31b77a111d7b566510"],"state_sha256":"ec84146202a9bde94ec262f5823d060c0ccbbefd6a9e3b25ffe4be2654d6183f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1YgY3hROmsndKWoU5trLn6oeKDipg4bRp8cCbTyu2d/tK79EBweKx9xgEfYLpPYwsQzZWHaRs0gYIO6HPUgKBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T22:37:18.163702Z","bundle_sha256":"d2dda54ff87b68c68bcbf1f3aedb7a543dd94731669f1e8d5cfaa1c9a444a844"}}