{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:Y2YEEKV3AVFVVVTTPCM5WGPXZR","short_pith_number":"pith:Y2YEEKV3","canonical_record":{"source":{"id":"2210.12269","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"math.CO","submitted_at":"2022-10-21T21:51:25Z","cross_cats_sorted":[],"title_canon_sha256":"b5eebf75ea288849b246ffe3be2d21bd1c54df613bf0aff14266afa126eb4f59","abstract_canon_sha256":"ac770e2bb1cbb25f560edc585eb96d5c9ccb27964342523a67e2084da879406a"},"schema_version":"1.0"},"canonical_sha256":"c6b0422abb054b5ad6737899db19f7cc737c5f098d16d46248c3eabc5d2c8cc2","source":{"kind":"arxiv","id":"2210.12269","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.12269","created_at":"2026-07-05T05:09:25Z"},{"alias_kind":"arxiv_version","alias_value":"2210.12269v1","created_at":"2026-07-05T05:09:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.12269","created_at":"2026-07-05T05:09:25Z"},{"alias_kind":"pith_short_12","alias_value":"Y2YEEKV3AVFV","created_at":"2026-07-05T05:09:25Z"},{"alias_kind":"pith_short_16","alias_value":"Y2YEEKV3AVFVVVTT","created_at":"2026-07-05T05:09:25Z"},{"alias_kind":"pith_short_8","alias_value":"Y2YEEKV3","created_at":"2026-07-05T05:09:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:Y2YEEKV3AVFVVVTTPCM5WGPXZR","target":"record","payload":{"canonical_record":{"source":{"id":"2210.12269","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"math.CO","submitted_at":"2022-10-21T21:51:25Z","cross_cats_sorted":[],"title_canon_sha256":"b5eebf75ea288849b246ffe3be2d21bd1c54df613bf0aff14266afa126eb4f59","abstract_canon_sha256":"ac770e2bb1cbb25f560edc585eb96d5c9ccb27964342523a67e2084da879406a"},"schema_version":"1.0"},"canonical_sha256":"c6b0422abb054b5ad6737899db19f7cc737c5f098d16d46248c3eabc5d2c8cc2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:09:25.964777Z","signature_b64":"KPnTozxQKUQk7Xyz4LF9en5m3GcXMqmDm7dI5f5loMhrrhnldGeJPdTAOoJCAEw7q8d4HFd27tEpZnlZHtttDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c6b0422abb054b5ad6737899db19f7cc737c5f098d16d46248c3eabc5d2c8cc2","last_reissued_at":"2026-07-05T05:09:25.964373Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:09:25.964373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.12269","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":"2026-07-05T05:09:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Eh0sBSZmsRWmyfRaLT5KK03v0tif+Zw/CWs6NBOsM30mfVLPET9aE28hQWTgeYfyDZmGNxBIkYGAloRR91hKCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T00:53:21.432889Z"},"content_sha256":"9be4fa9052a816b6fd9cf817820bc2b307d6796c795d79a5131c10acfdba9276","schema_version":"1.0","event_id":"sha256:9be4fa9052a816b6fd9cf817820bc2b307d6796c795d79a5131c10acfdba9276"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:Y2YEEKV3AVFVVVTTPCM5WGPXZR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Variations on the Missionaries and Cannibals Problem","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"math.CO","authors_text":"Doron Zeilberger, George Spahn","submitted_at":"2022-10-21T21:51:25Z","abstract_excerpt":"We explore both automated and human approaches to the generalized Missionaries and Cannibals problem."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.12269","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2210.12269/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:09:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yEe7+++j6X3GJaK4KjkfB9gvn3g1dMNXIXXGoiTskEPrW+xqUrWrkuQe3lC5aGmXAhW0XwZ+ZWyO7QC8E95ZCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T00:53:21.433814Z"},"content_sha256":"8c052588bf3b8bb6100c5c4bfbf3abea4b7ccafaf0abc236a27fd58164ffed46","schema_version":"1.0","event_id":"sha256:8c052588bf3b8bb6100c5c4bfbf3abea4b7ccafaf0abc236a27fd58164ffed46"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y2YEEKV3AVFVVVTTPCM5WGPXZR/bundle.json","state_url":"https://pith.science/pith/Y2YEEKV3AVFVVVTTPCM5WGPXZR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y2YEEKV3AVFVVVTTPCM5WGPXZR/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":"2026-08-09T00:53:21Z","links":{"resolver":"https://pith.science/pith/Y2YEEKV3AVFVVVTTPCM5WGPXZR","bundle":"https://pith.science/pith/Y2YEEKV3AVFVVVTTPCM5WGPXZR/bundle.json","state":"https://pith.science/pith/Y2YEEKV3AVFVVVTTPCM5WGPXZR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y2YEEKV3AVFVVVTTPCM5WGPXZR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:Y2YEEKV3AVFVVVTTPCM5WGPXZR","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":"ac770e2bb1cbb25f560edc585eb96d5c9ccb27964342523a67e2084da879406a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"math.CO","submitted_at":"2022-10-21T21:51:25Z","title_canon_sha256":"b5eebf75ea288849b246ffe3be2d21bd1c54df613bf0aff14266afa126eb4f59"},"schema_version":"1.0","source":{"id":"2210.12269","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.12269","created_at":"2026-07-05T05:09:25Z"},{"alias_kind":"arxiv_version","alias_value":"2210.12269v1","created_at":"2026-07-05T05:09:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.12269","created_at":"2026-07-05T05:09:25Z"},{"alias_kind":"pith_short_12","alias_value":"Y2YEEKV3AVFV","created_at":"2026-07-05T05:09:25Z"},{"alias_kind":"pith_short_16","alias_value":"Y2YEEKV3AVFVVVTT","created_at":"2026-07-05T05:09:25Z"},{"alias_kind":"pith_short_8","alias_value":"Y2YEEKV3","created_at":"2026-07-05T05:09:25Z"}],"graph_snapshots":[{"event_id":"sha256:8c052588bf3b8bb6100c5c4bfbf3abea4b7ccafaf0abc236a27fd58164ffed46","target":"graph","created_at":"2026-07-05T05:09:25Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2210.12269/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We explore both automated and human approaches to the generalized Missionaries and Cannibals problem.","authors_text":"Doron Zeilberger, George Spahn","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"math.CO","submitted_at":"2022-10-21T21:51:25Z","title":"Variations on the Missionaries and Cannibals Problem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.12269","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":"sha256:9be4fa9052a816b6fd9cf817820bc2b307d6796c795d79a5131c10acfdba9276","target":"record","created_at":"2026-07-05T05:09:25Z","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":"ac770e2bb1cbb25f560edc585eb96d5c9ccb27964342523a67e2084da879406a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"math.CO","submitted_at":"2022-10-21T21:51:25Z","title_canon_sha256":"b5eebf75ea288849b246ffe3be2d21bd1c54df613bf0aff14266afa126eb4f59"},"schema_version":"1.0","source":{"id":"2210.12269","kind":"arxiv","version":1}},"canonical_sha256":"c6b0422abb054b5ad6737899db19f7cc737c5f098d16d46248c3eabc5d2c8cc2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c6b0422abb054b5ad6737899db19f7cc737c5f098d16d46248c3eabc5d2c8cc2","first_computed_at":"2026-07-05T05:09:25.964373Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:09:25.964373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KPnTozxQKUQk7Xyz4LF9en5m3GcXMqmDm7dI5f5loMhrrhnldGeJPdTAOoJCAEw7q8d4HFd27tEpZnlZHtttDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:09:25.964777Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.12269","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9be4fa9052a816b6fd9cf817820bc2b307d6796c795d79a5131c10acfdba9276","sha256:8c052588bf3b8bb6100c5c4bfbf3abea4b7ccafaf0abc236a27fd58164ffed46"],"state_sha256":"05116d27258e22c2ad1e5c2ec2ff67f8d98d7e8c0829883ecd1f246da0ce838f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A+ya+czpuA88mDb8DBnia0EzgA2rdK/u3J/5RIqlQL1htH/97THSX/IAO3Ux6Dmnq1jv5RyqhwlBBt0JrKjhAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T00:53:21.439745Z","bundle_sha256":"e0f895d58a1e606d38e4c401e09077e6036e4a7caa34939d3f98ac72e54b3437"}}