{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:NF4YN75VGMPMS4Q2DC2H56RSMC","short_pith_number":"pith:NF4YN75V","canonical_record":{"source":{"id":"1210.6080","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.GN","submitted_at":"2012-10-22T22:46:59Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"a8d0bbcdf4102e5aa23caa2090845e67c86868253cce404a5e05e12f8c3e5de0","abstract_canon_sha256":"cbd4335275ccffe26061c114fa18ab8290958c9f20e37187ed4c2069cbda50a7"},"schema_version":"1.0"},"canonical_sha256":"697986ffb5331ec9721a18b47efa3260a6572b213f789831147d4c80921664f7","source":{"kind":"arxiv","id":"1210.6080","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.6080","created_at":"2026-05-18T03:42:33Z"},{"alias_kind":"arxiv_version","alias_value":"1210.6080v1","created_at":"2026-05-18T03:42:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.6080","created_at":"2026-05-18T03:42:33Z"},{"alias_kind":"pith_short_12","alias_value":"NF4YN75VGMPM","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NF4YN75VGMPMS4Q2","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NF4YN75V","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:NF4YN75VGMPMS4Q2DC2H56RSMC","target":"record","payload":{"canonical_record":{"source":{"id":"1210.6080","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.GN","submitted_at":"2012-10-22T22:46:59Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"a8d0bbcdf4102e5aa23caa2090845e67c86868253cce404a5e05e12f8c3e5de0","abstract_canon_sha256":"cbd4335275ccffe26061c114fa18ab8290958c9f20e37187ed4c2069cbda50a7"},"schema_version":"1.0"},"canonical_sha256":"697986ffb5331ec9721a18b47efa3260a6572b213f789831147d4c80921664f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:42:33.347968Z","signature_b64":"As9TVbn2WpyKrMA7P0Gr3sKy0Ie43aLtZ94FUzYXDU1ZKQeGsAxEfCYnIp16TN0/fadaxw6gWEF0cwK8tL4oCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"697986ffb5331ec9721a18b47efa3260a6572b213f789831147d4c80921664f7","last_reissued_at":"2026-05-18T03:42:33.347486Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:42:33.347486Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.6080","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":"2026-05-18T03:42:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zY3eGA6DgcPA1AHmGxOkMVuijuumUX/1CUDkAlm/+6nbi0SBYZ3f4UVPlTrmXIzk7Mk8dyqWIvqK+4MNRAhZBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:49:53.965618Z"},"content_sha256":"f02263a4c4f1aa49bda73eabfd9be4ef929676043d0861eb660d6da92ca9bd03","schema_version":"1.0","event_id":"sha256:f02263a4c4f1aa49bda73eabfd9be4ef929676043d0861eb660d6da92ca9bd03"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:NF4YN75VGMPMS4Q2DC2H56RSMC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Food for fuel: The price of ethanol","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.soc-ph"],"primary_cat":"q-fin.GN","authors_text":"Dominic K. Albino, Karla Z. Bertrand, Yaneer Bar-Yam","submitted_at":"2012-10-22T22:46:59Z","abstract_excerpt":"Conversion of corn to ethanol in the US since 2005 has been a major cause of global food price increases during that time and has been shown to be ineffective in achieving US energy independence and reducing environmental impact. We make three key statements to enhance understanding and communication about ethanol production's impact on the food and fuel markets: (1) The amount of corn used to produce the ethanol in a gallon of regular gas would feed a person for a day, (2) The production of ethanol is so energy intensive that it uses only 20% less fossil fuel than gasoline, and (3) The cost o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.6080","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":"2026-05-18T03:42:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xj0J9ZOjByO5vpDjXjdQPNBa5HrbHmy70zZliGVkyQWzig2adCvggTtZE0BC307bVSXCUl8hn9+iFsEVVzsdDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:49:53.966347Z"},"content_sha256":"ddb2088558286902dd619d1a09aedf8b149fc4f2cc7ca708c40b2b9663d29606","schema_version":"1.0","event_id":"sha256:ddb2088558286902dd619d1a09aedf8b149fc4f2cc7ca708c40b2b9663d29606"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NF4YN75VGMPMS4Q2DC2H56RSMC/bundle.json","state_url":"https://pith.science/pith/NF4YN75VGMPMS4Q2DC2H56RSMC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NF4YN75VGMPMS4Q2DC2H56RSMC/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":"2026-06-07T17:49:53Z","links":{"resolver":"https://pith.science/pith/NF4YN75VGMPMS4Q2DC2H56RSMC","bundle":"https://pith.science/pith/NF4YN75VGMPMS4Q2DC2H56RSMC/bundle.json","state":"https://pith.science/pith/NF4YN75VGMPMS4Q2DC2H56RSMC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NF4YN75VGMPMS4Q2DC2H56RSMC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:NF4YN75VGMPMS4Q2DC2H56RSMC","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":"cbd4335275ccffe26061c114fa18ab8290958c9f20e37187ed4c2069cbda50a7","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.GN","submitted_at":"2012-10-22T22:46:59Z","title_canon_sha256":"a8d0bbcdf4102e5aa23caa2090845e67c86868253cce404a5e05e12f8c3e5de0"},"schema_version":"1.0","source":{"id":"1210.6080","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.6080","created_at":"2026-05-18T03:42:33Z"},{"alias_kind":"arxiv_version","alias_value":"1210.6080v1","created_at":"2026-05-18T03:42:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.6080","created_at":"2026-05-18T03:42:33Z"},{"alias_kind":"pith_short_12","alias_value":"NF4YN75VGMPM","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NF4YN75VGMPMS4Q2","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NF4YN75V","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:ddb2088558286902dd619d1a09aedf8b149fc4f2cc7ca708c40b2b9663d29606","target":"graph","created_at":"2026-05-18T03:42:33Z","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":"Conversion of corn to ethanol in the US since 2005 has been a major cause of global food price increases during that time and has been shown to be ineffective in achieving US energy independence and reducing environmental impact. We make three key statements to enhance understanding and communication about ethanol production's impact on the food and fuel markets: (1) The amount of corn used to produce the ethanol in a gallon of regular gas would feed a person for a day, (2) The production of ethanol is so energy intensive that it uses only 20% less fossil fuel than gasoline, and (3) The cost o","authors_text":"Dominic K. Albino, Karla Z. Bertrand, Yaneer Bar-Yam","cross_cats":["physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.GN","submitted_at":"2012-10-22T22:46:59Z","title":"Food for fuel: The price of ethanol"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.6080","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:f02263a4c4f1aa49bda73eabfd9be4ef929676043d0861eb660d6da92ca9bd03","target":"record","created_at":"2026-05-18T03:42:33Z","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":"cbd4335275ccffe26061c114fa18ab8290958c9f20e37187ed4c2069cbda50a7","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.GN","submitted_at":"2012-10-22T22:46:59Z","title_canon_sha256":"a8d0bbcdf4102e5aa23caa2090845e67c86868253cce404a5e05e12f8c3e5de0"},"schema_version":"1.0","source":{"id":"1210.6080","kind":"arxiv","version":1}},"canonical_sha256":"697986ffb5331ec9721a18b47efa3260a6572b213f789831147d4c80921664f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"697986ffb5331ec9721a18b47efa3260a6572b213f789831147d4c80921664f7","first_computed_at":"2026-05-18T03:42:33.347486Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:42:33.347486Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"As9TVbn2WpyKrMA7P0Gr3sKy0Ie43aLtZ94FUzYXDU1ZKQeGsAxEfCYnIp16TN0/fadaxw6gWEF0cwK8tL4oCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:42:33.347968Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.6080","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f02263a4c4f1aa49bda73eabfd9be4ef929676043d0861eb660d6da92ca9bd03","sha256:ddb2088558286902dd619d1a09aedf8b149fc4f2cc7ca708c40b2b9663d29606"],"state_sha256":"e91827d47e342918e0b916c047f86684a5cd9af1e5b49b2caf3252f3c5278c3d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EzXL91xAO+vGhf037UIpq1iR6lQ4uGlb4kjoFvouof6ZX8t8w3VfYC9U7vGDtV2v+nyB/ShiEcx4O2BrgM6eCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T17:49:53.969878Z","bundle_sha256":"8b065de0fcf60feba7004f0529bfb127158c53766534045f79e950c28519bf02"}}