{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:WFYQZC62MQ6W7B2J6DSV6AQQQM","short_pith_number":"pith:WFYQZC62","canonical_record":{"source":{"id":"1612.01408","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2016-12-01T03:37:13Z","cross_cats_sorted":[],"title_canon_sha256":"b5e4df07463ed3d7d41445228656a0ed001db2c5e51aa0052ada650a986a3e59","abstract_canon_sha256":"df3611c91eae78642f70f980a57b13abb771b44432a5327f13d64783f2e8ad4d"},"schema_version":"1.0"},"canonical_sha256":"b1710c8bda643d6f8749f0e55f02108314e586d858cb283f4ada736004abebcc","source":{"kind":"arxiv","id":"1612.01408","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.01408","created_at":"2026-05-18T00:55:52Z"},{"alias_kind":"arxiv_version","alias_value":"1612.01408v1","created_at":"2026-05-18T00:55:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.01408","created_at":"2026-05-18T00:55:52Z"},{"alias_kind":"pith_short_12","alias_value":"WFYQZC62MQ6W","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"WFYQZC62MQ6W7B2J","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"WFYQZC62","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:WFYQZC62MQ6W7B2J6DSV6AQQQM","target":"record","payload":{"canonical_record":{"source":{"id":"1612.01408","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2016-12-01T03:37:13Z","cross_cats_sorted":[],"title_canon_sha256":"b5e4df07463ed3d7d41445228656a0ed001db2c5e51aa0052ada650a986a3e59","abstract_canon_sha256":"df3611c91eae78642f70f980a57b13abb771b44432a5327f13d64783f2e8ad4d"},"schema_version":"1.0"},"canonical_sha256":"b1710c8bda643d6f8749f0e55f02108314e586d858cb283f4ada736004abebcc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:52.731766Z","signature_b64":"JLWhdxYjY1++SidgkFIJMoV7BZqNzkMasvWnoHPsP+zGJgKaSgdn+KsXcZlz0YHI1Fg+hD5nE6UjaoQ9dz3VAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1710c8bda643d6f8749f0e55f02108314e586d858cb283f4ada736004abebcc","last_reissued_at":"2026-05-18T00:55:52.731168Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:52.731168Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.01408","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":"2026-05-18T00:55:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jgEuSublt6NZE4AGj1ZUERnjQBQNWBJRWpH2zamDf+5MP27jB2gRR99znnLv0nFSvDvFY2mwvsHa5dHNpOw1DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T11:49:36.193528Z"},"content_sha256":"f862e2021730ee51ed89cd627e864ede6397ba3bfe582cdb76a207777e547c89","schema_version":"1.0","event_id":"sha256:f862e2021730ee51ed89cd627e864ede6397ba3bfe582cdb76a207777e547c89"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:WFYQZC62MQ6W7B2J6DSV6AQQQM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A General Age-Specific Mortality Model with An Example Indexed by Child or Child/Adult Mortality","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"stat.AP","authors_text":"Samuel J. Clark","submitted_at":"2016-12-01T03:37:13Z","abstract_excerpt":"BACKGROUND. The majority of countries in Africa and nearly one third of all countries require mortality models to infer complete age schedules of mortality, required for population estimates, projections/forecasts and many other tasks in demography and epidemiology. Models that relate child mortality to mortality at other ages are important because all countries have measures of child mortality.\n  OBJECTIVE. 1) Design a general model for age-specific mortality that provides a standard way to relate covariates to age-specific mortality. 2) Calibrate that model using the relationship between chi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.01408","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":"2026-05-18T00:55:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wcihypvDRESzQ+eqDvzVawngcIhD8DDCYg1lBGj1G0+ehO+Az9YpiO+2t5kbxsy+Xk8lrS3GcIWPAVI9xOvlCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T11:49:36.193964Z"},"content_sha256":"766d97451e28b38b649fc3999bd8eb93c355caa4f0b1bce75d1a776437fe4ef9","schema_version":"1.0","event_id":"sha256:766d97451e28b38b649fc3999bd8eb93c355caa4f0b1bce75d1a776437fe4ef9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WFYQZC62MQ6W7B2J6DSV6AQQQM/bundle.json","state_url":"https://pith.science/pith/WFYQZC62MQ6W7B2J6DSV6AQQQM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WFYQZC62MQ6W7B2J6DSV6AQQQM/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":"2026-06-09T11:49:36Z","links":{"resolver":"https://pith.science/pith/WFYQZC62MQ6W7B2J6DSV6AQQQM","bundle":"https://pith.science/pith/WFYQZC62MQ6W7B2J6DSV6AQQQM/bundle.json","state":"https://pith.science/pith/WFYQZC62MQ6W7B2J6DSV6AQQQM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WFYQZC62MQ6W7B2J6DSV6AQQQM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:WFYQZC62MQ6W7B2J6DSV6AQQQM","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":"df3611c91eae78642f70f980a57b13abb771b44432a5327f13d64783f2e8ad4d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2016-12-01T03:37:13Z","title_canon_sha256":"b5e4df07463ed3d7d41445228656a0ed001db2c5e51aa0052ada650a986a3e59"},"schema_version":"1.0","source":{"id":"1612.01408","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.01408","created_at":"2026-05-18T00:55:52Z"},{"alias_kind":"arxiv_version","alias_value":"1612.01408v1","created_at":"2026-05-18T00:55:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.01408","created_at":"2026-05-18T00:55:52Z"},{"alias_kind":"pith_short_12","alias_value":"WFYQZC62MQ6W","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"WFYQZC62MQ6W7B2J","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"WFYQZC62","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:766d97451e28b38b649fc3999bd8eb93c355caa4f0b1bce75d1a776437fe4ef9","target":"graph","created_at":"2026-05-18T00:55:52Z","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":"BACKGROUND. The majority of countries in Africa and nearly one third of all countries require mortality models to infer complete age schedules of mortality, required for population estimates, projections/forecasts and many other tasks in demography and epidemiology. Models that relate child mortality to mortality at other ages are important because all countries have measures of child mortality.\n  OBJECTIVE. 1) Design a general model for age-specific mortality that provides a standard way to relate covariates to age-specific mortality. 2) Calibrate that model using the relationship between chi","authors_text":"Samuel J. Clark","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2016-12-01T03:37:13Z","title":"A General Age-Specific Mortality Model with An Example Indexed by Child or Child/Adult Mortality"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.01408","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:f862e2021730ee51ed89cd627e864ede6397ba3bfe582cdb76a207777e547c89","target":"record","created_at":"2026-05-18T00:55:52Z","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":"df3611c91eae78642f70f980a57b13abb771b44432a5327f13d64783f2e8ad4d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2016-12-01T03:37:13Z","title_canon_sha256":"b5e4df07463ed3d7d41445228656a0ed001db2c5e51aa0052ada650a986a3e59"},"schema_version":"1.0","source":{"id":"1612.01408","kind":"arxiv","version":1}},"canonical_sha256":"b1710c8bda643d6f8749f0e55f02108314e586d858cb283f4ada736004abebcc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b1710c8bda643d6f8749f0e55f02108314e586d858cb283f4ada736004abebcc","first_computed_at":"2026-05-18T00:55:52.731168Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:55:52.731168Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JLWhdxYjY1++SidgkFIJMoV7BZqNzkMasvWnoHPsP+zGJgKaSgdn+KsXcZlz0YHI1Fg+hD5nE6UjaoQ9dz3VAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:55:52.731766Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.01408","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f862e2021730ee51ed89cd627e864ede6397ba3bfe582cdb76a207777e547c89","sha256:766d97451e28b38b649fc3999bd8eb93c355caa4f0b1bce75d1a776437fe4ef9"],"state_sha256":"ffb05c66b1f81fb02bf39518bffa60b621765ebba4e5da1b28172a65bae36642"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JY6hLkVtj4QmvL2Ak+mCCave8vFjm0qoACyxv6Us8KZbg7xL+A0C4fZwOvRNEZ7uxllhCboDB3wfigRDSknFDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T11:49:36.198426Z","bundle_sha256":"e0c8e63f52e4f122ab44c92db66efe8033de356279cbd8af097980b0b4576ef1"}}