{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:CJXNQ6VSBSR66EJHYUQUJ7ROVB","short_pith_number":"pith:CJXNQ6VS","canonical_record":{"source":{"id":"1108.5768","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2011-08-29T21:52:04Z","cross_cats_sorted":[],"title_canon_sha256":"34d3c212409e9802ee7b827b8ed1557713fc20c696be3362134a9c262209878d","abstract_canon_sha256":"9ab0e59ed56eb9372f5ba39166f50ca2f3df67498526ca22f5ccf59ea12c1fdc"},"schema_version":"1.0"},"canonical_sha256":"126ed87ab20ca3ef1127c52144fe2ea87ce3ade2bd9600212469919fb05d503f","source":{"kind":"arxiv","id":"1108.5768","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.5768","created_at":"2026-05-18T02:51:23Z"},{"alias_kind":"arxiv_version","alias_value":"1108.5768v2","created_at":"2026-05-18T02:51:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.5768","created_at":"2026-05-18T02:51:23Z"},{"alias_kind":"pith_short_12","alias_value":"CJXNQ6VSBSR6","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"CJXNQ6VSBSR66EJH","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"CJXNQ6VS","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:CJXNQ6VSBSR66EJHYUQUJ7ROVB","target":"record","payload":{"canonical_record":{"source":{"id":"1108.5768","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2011-08-29T21:52:04Z","cross_cats_sorted":[],"title_canon_sha256":"34d3c212409e9802ee7b827b8ed1557713fc20c696be3362134a9c262209878d","abstract_canon_sha256":"9ab0e59ed56eb9372f5ba39166f50ca2f3df67498526ca22f5ccf59ea12c1fdc"},"schema_version":"1.0"},"canonical_sha256":"126ed87ab20ca3ef1127c52144fe2ea87ce3ade2bd9600212469919fb05d503f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:51:23.722019Z","signature_b64":"5Ppc/fXjt6qqF6uEkm7f+jduLLTUWupCZzldov0H7az/loa1XcVtJ+esapBVK0uPI7+LwMuxD28StyXOTX6pCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"126ed87ab20ca3ef1127c52144fe2ea87ce3ade2bd9600212469919fb05d503f","last_reissued_at":"2026-05-18T02:51:23.721373Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:51:23.721373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.5768","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":"2026-05-18T02:51:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"opYYRqvRiZeHvgQlBcHQ5R+sRlZdB1D5MDB4KQLO1doQZqRaw8ULYnVviO9PGGLlx3osMY+q/qrgpG8kwxvxAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T02:58:14.630265Z"},"content_sha256":"80ec45de6c6793740947eab9e06919ca330d179543d15bc7bbbef1660419433d","schema_version":"1.0","event_id":"sha256:80ec45de6c6793740947eab9e06919ca330d179543d15bc7bbbef1660419433d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:CJXNQ6VSBSR66EJHYUQUJ7ROVB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Food Redistribution as Optimization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.OH","authors_text":"Becky Higbee, Caleb Phillips, Rhonda Hoenigman","submitted_at":"2011-08-29T21:52:04Z","abstract_excerpt":"In this paper we study the simultaneous problems of food waste and hunger in the context of the possible solution of food (waste) rescue and redistribution. To this end, we develop an empirical model that can be used in Monte Carlo simulations to study the dynamics of the underlying problem. Our model's parameters are derived from a unique data set provided by a large food bank and food rescue organization in north central Colorado. We find that food supply is a non-parametric heavy-tailed process that is well-modeled with an extreme value peaks-over-threshold model. Although the underlying pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.5768","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":"2026-05-18T02:51:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dcV/jWSycNNz51tOOOMvwoEsHZHcFQgf8xn06gVsskfnkD15kBv8YnFu1LakmQeyCuD3TPkMD9b8nFIIIzawCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T02:58:14.630628Z"},"content_sha256":"ae93dc2d16836122c105808572d28bd684d40b551770f10abef9d7b4ff706e6b","schema_version":"1.0","event_id":"sha256:ae93dc2d16836122c105808572d28bd684d40b551770f10abef9d7b4ff706e6b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CJXNQ6VSBSR66EJHYUQUJ7ROVB/bundle.json","state_url":"https://pith.science/pith/CJXNQ6VSBSR66EJHYUQUJ7ROVB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CJXNQ6VSBSR66EJHYUQUJ7ROVB/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":"2026-06-21T02:58:14Z","links":{"resolver":"https://pith.science/pith/CJXNQ6VSBSR66EJHYUQUJ7ROVB","bundle":"https://pith.science/pith/CJXNQ6VSBSR66EJHYUQUJ7ROVB/bundle.json","state":"https://pith.science/pith/CJXNQ6VSBSR66EJHYUQUJ7ROVB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CJXNQ6VSBSR66EJHYUQUJ7ROVB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:CJXNQ6VSBSR66EJHYUQUJ7ROVB","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":"9ab0e59ed56eb9372f5ba39166f50ca2f3df67498526ca22f5ccf59ea12c1fdc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2011-08-29T21:52:04Z","title_canon_sha256":"34d3c212409e9802ee7b827b8ed1557713fc20c696be3362134a9c262209878d"},"schema_version":"1.0","source":{"id":"1108.5768","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.5768","created_at":"2026-05-18T02:51:23Z"},{"alias_kind":"arxiv_version","alias_value":"1108.5768v2","created_at":"2026-05-18T02:51:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.5768","created_at":"2026-05-18T02:51:23Z"},{"alias_kind":"pith_short_12","alias_value":"CJXNQ6VSBSR6","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"CJXNQ6VSBSR66EJH","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"CJXNQ6VS","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:ae93dc2d16836122c105808572d28bd684d40b551770f10abef9d7b4ff706e6b","target":"graph","created_at":"2026-05-18T02:51:23Z","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":"In this paper we study the simultaneous problems of food waste and hunger in the context of the possible solution of food (waste) rescue and redistribution. To this end, we develop an empirical model that can be used in Monte Carlo simulations to study the dynamics of the underlying problem. Our model's parameters are derived from a unique data set provided by a large food bank and food rescue organization in north central Colorado. We find that food supply is a non-parametric heavy-tailed process that is well-modeled with an extreme value peaks-over-threshold model. Although the underlying pr","authors_text":"Becky Higbee, Caleb Phillips, Rhonda Hoenigman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2011-08-29T21:52:04Z","title":"Food Redistribution as Optimization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.5768","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":"sha256:80ec45de6c6793740947eab9e06919ca330d179543d15bc7bbbef1660419433d","target":"record","created_at":"2026-05-18T02:51:23Z","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":"9ab0e59ed56eb9372f5ba39166f50ca2f3df67498526ca22f5ccf59ea12c1fdc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2011-08-29T21:52:04Z","title_canon_sha256":"34d3c212409e9802ee7b827b8ed1557713fc20c696be3362134a9c262209878d"},"schema_version":"1.0","source":{"id":"1108.5768","kind":"arxiv","version":2}},"canonical_sha256":"126ed87ab20ca3ef1127c52144fe2ea87ce3ade2bd9600212469919fb05d503f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"126ed87ab20ca3ef1127c52144fe2ea87ce3ade2bd9600212469919fb05d503f","first_computed_at":"2026-05-18T02:51:23.721373Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:51:23.721373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5Ppc/fXjt6qqF6uEkm7f+jduLLTUWupCZzldov0H7az/loa1XcVtJ+esapBVK0uPI7+LwMuxD28StyXOTX6pCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:51:23.722019Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.5768","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:80ec45de6c6793740947eab9e06919ca330d179543d15bc7bbbef1660419433d","sha256:ae93dc2d16836122c105808572d28bd684d40b551770f10abef9d7b4ff706e6b"],"state_sha256":"8531bdf6ad0ae1c5c7611fb367fb5d5a904c303025e8faa29258d9db92946ffc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mvv+QmGom8gKxzdOYxr8QYef+UDLXyAKc9YGhWz0FiZdRn1Jh4FA4cLIDxcZCULzzQDqoDsCXN6a8ZM86iifDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T02:58:14.633005Z","bundle_sha256":"3dedc3b13660db88e5bdb019da6075b199316149afb5174c5be8d9f870f0b10c"}}