{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:IJUETMDZZZAOXOXKL5V26XRV7W","short_pith_number":"pith:IJUETMDZ","canonical_record":{"source":{"id":"1102.1753","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2011-02-09T00:11:28Z","cross_cats_sorted":["physics.soc-ph","stat.ML"],"title_canon_sha256":"5cb541cc3b7d49c00992ee08be778c59b91b0b54c299c09048347a665c685b22","abstract_canon_sha256":"b07088169a702820236a0bfbf704c26c3ed3c7925074de3a4319013ff09363bd"},"schema_version":"1.0"},"canonical_sha256":"426849b079ce40ebbaea5f6baf5e35fda71c5faeda9191e7aecf188294051c83","source":{"kind":"arxiv","id":"1102.1753","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.1753","created_at":"2026-05-18T04:28:56Z"},{"alias_kind":"arxiv_version","alias_value":"1102.1753v2","created_at":"2026-05-18T04:28:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.1753","created_at":"2026-05-18T04:28:56Z"},{"alias_kind":"pith_short_12","alias_value":"IJUETMDZZZAO","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"IJUETMDZZZAOXOXK","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"IJUETMDZ","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:IJUETMDZZZAOXOXKL5V26XRV7W","target":"record","payload":{"canonical_record":{"source":{"id":"1102.1753","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2011-02-09T00:11:28Z","cross_cats_sorted":["physics.soc-ph","stat.ML"],"title_canon_sha256":"5cb541cc3b7d49c00992ee08be778c59b91b0b54c299c09048347a665c685b22","abstract_canon_sha256":"b07088169a702820236a0bfbf704c26c3ed3c7925074de3a4319013ff09363bd"},"schema_version":"1.0"},"canonical_sha256":"426849b079ce40ebbaea5f6baf5e35fda71c5faeda9191e7aecf188294051c83","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:28:56.505045Z","signature_b64":"mq4znfKTyvnsmCAKyoeOgvctwJxv8YX4Rv4u5UmM04VlU1gPyfue0VB1kEr2QnCXAQRx1bRwPuHQqU2M6Un4Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"426849b079ce40ebbaea5f6baf5e35fda71c5faeda9191e7aecf188294051c83","last_reissued_at":"2026-05-18T04:28:56.504535Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:28:56.504535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.1753","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":"2026-05-18T04:28:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"egnJSRLRyz1FadtJf3JHv06tOBbADw2kxp6+EHR8nZxEZKSzDZLASpwZ6pY8BDqpgL92bTEb4JpaVpkyvNGsBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T16:32:39.568900Z"},"content_sha256":"54896457dc92d03aee5199dd80519dde902bb72ab2218b46a6c50daad8b46383","schema_version":"1.0","event_id":"sha256:54896457dc92d03aee5199dd80519dde902bb72ab2218b46a6c50daad8b46383"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:IJUETMDZZZAOXOXKL5V26XRV7W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Predictors of short-term decay of cell phone contacts in a large scale communication network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.soc-ph","stat.ML"],"primary_cat":"cs.SI","authors_text":"David Hachen, Nitesh V. Chawla, Omar Lizardo, Troy Raeder","submitted_at":"2011-02-09T00:11:28Z","abstract_excerpt":"Under what conditions is an edge present in a social network at time t likely to decay or persist by some future time t + Delta(t)? Previous research addressing this issue suggests that the network range of the people involved in the edge, the extent to which the edge is embedded in a surrounding structure, and the age of the edge all play a role in edge decay. This paper uses weighted data from a large-scale social network built from cell-phone calls in an 8-week period to determine the importance of edge weight for the decay/persistence process. In particular, we study the relative predictiv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.1753","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":"2026-05-18T04:28:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d8d+YFcXv6qhIWWYux+hXQhbhYnO682g3tB0zQMV0mBZ+Gwy2NcmApP/ik6utyC0Bv9GT/9nINrRYhrChrOpDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T16:32:39.569258Z"},"content_sha256":"4723d8545ab46842547268ae1051133383b9c10e19366d81f255788fad337981","schema_version":"1.0","event_id":"sha256:4723d8545ab46842547268ae1051133383b9c10e19366d81f255788fad337981"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IJUETMDZZZAOXOXKL5V26XRV7W/bundle.json","state_url":"https://pith.science/pith/IJUETMDZZZAOXOXKL5V26XRV7W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IJUETMDZZZAOXOXKL5V26XRV7W/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":"2026-06-05T16:32:39Z","links":{"resolver":"https://pith.science/pith/IJUETMDZZZAOXOXKL5V26XRV7W","bundle":"https://pith.science/pith/IJUETMDZZZAOXOXKL5V26XRV7W/bundle.json","state":"https://pith.science/pith/IJUETMDZZZAOXOXKL5V26XRV7W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IJUETMDZZZAOXOXKL5V26XRV7W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:IJUETMDZZZAOXOXKL5V26XRV7W","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":"b07088169a702820236a0bfbf704c26c3ed3c7925074de3a4319013ff09363bd","cross_cats_sorted":["physics.soc-ph","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2011-02-09T00:11:28Z","title_canon_sha256":"5cb541cc3b7d49c00992ee08be778c59b91b0b54c299c09048347a665c685b22"},"schema_version":"1.0","source":{"id":"1102.1753","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.1753","created_at":"2026-05-18T04:28:56Z"},{"alias_kind":"arxiv_version","alias_value":"1102.1753v2","created_at":"2026-05-18T04:28:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.1753","created_at":"2026-05-18T04:28:56Z"},{"alias_kind":"pith_short_12","alias_value":"IJUETMDZZZAO","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"IJUETMDZZZAOXOXK","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"IJUETMDZ","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:4723d8545ab46842547268ae1051133383b9c10e19366d81f255788fad337981","target":"graph","created_at":"2026-05-18T04:28:56Z","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":"Under what conditions is an edge present in a social network at time t likely to decay or persist by some future time t + Delta(t)? Previous research addressing this issue suggests that the network range of the people involved in the edge, the extent to which the edge is embedded in a surrounding structure, and the age of the edge all play a role in edge decay. This paper uses weighted data from a large-scale social network built from cell-phone calls in an 8-week period to determine the importance of edge weight for the decay/persistence process. In particular, we study the relative predictiv","authors_text":"David Hachen, Nitesh V. Chawla, Omar Lizardo, Troy Raeder","cross_cats":["physics.soc-ph","stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2011-02-09T00:11:28Z","title":"Predictors of short-term decay of cell phone contacts in a large scale communication network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.1753","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":"sha256:54896457dc92d03aee5199dd80519dde902bb72ab2218b46a6c50daad8b46383","target":"record","created_at":"2026-05-18T04:28:56Z","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":"b07088169a702820236a0bfbf704c26c3ed3c7925074de3a4319013ff09363bd","cross_cats_sorted":["physics.soc-ph","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2011-02-09T00:11:28Z","title_canon_sha256":"5cb541cc3b7d49c00992ee08be778c59b91b0b54c299c09048347a665c685b22"},"schema_version":"1.0","source":{"id":"1102.1753","kind":"arxiv","version":2}},"canonical_sha256":"426849b079ce40ebbaea5f6baf5e35fda71c5faeda9191e7aecf188294051c83","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"426849b079ce40ebbaea5f6baf5e35fda71c5faeda9191e7aecf188294051c83","first_computed_at":"2026-05-18T04:28:56.504535Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:28:56.504535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mq4znfKTyvnsmCAKyoeOgvctwJxv8YX4Rv4u5UmM04VlU1gPyfue0VB1kEr2QnCXAQRx1bRwPuHQqU2M6Un4Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:28:56.505045Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.1753","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:54896457dc92d03aee5199dd80519dde902bb72ab2218b46a6c50daad8b46383","sha256:4723d8545ab46842547268ae1051133383b9c10e19366d81f255788fad337981"],"state_sha256":"b86e6066103c8c7fdb9ab3cea9fac9cce9f98bf51aad6559b0fc29e188ac50db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t90HbB0buBIZjFpk10Jw1HKwzjcBw9zx8KzfJ8Pct/kP22a/0fomHIm8RGS9epbDXKahfuph7n/3lNnejdpzAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T16:32:39.571192Z","bundle_sha256":"4e7af5cf29e6b7ce8831176df29cb89ef03e981fea3fb935f7885edd494f2207"}}