{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:ANYH4HRJBNR4B3WN6VKDPU7U2Q","short_pith_number":"pith:ANYH4HRJ","canonical_record":{"source":{"id":"1410.8217","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2014-10-30T01:07:33Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"c4a75a02a09f480b55d4ac886ac6ea00b7c4c7f2b050e861c3c547913a334140","abstract_canon_sha256":"cd8f6a6aab5b480a7c61aa2ff6419ada2253b29a91a481316ebe53abc8aa6df4"},"schema_version":"1.0"},"canonical_sha256":"03707e1e290b63c0eecdf55437d3f4d40a47d9ea3dbc046c83ae6f1906df8b78","source":{"kind":"arxiv","id":"1410.8217","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.8217","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"arxiv_version","alias_value":"1410.8217v1","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.8217","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"pith_short_12","alias_value":"ANYH4HRJBNR4","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"ANYH4HRJBNR4B3WN","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"ANYH4HRJ","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:ANYH4HRJBNR4B3WN6VKDPU7U2Q","target":"record","payload":{"canonical_record":{"source":{"id":"1410.8217","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2014-10-30T01:07:33Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"c4a75a02a09f480b55d4ac886ac6ea00b7c4c7f2b050e861c3c547913a334140","abstract_canon_sha256":"cd8f6a6aab5b480a7c61aa2ff6419ada2253b29a91a481316ebe53abc8aa6df4"},"schema_version":"1.0"},"canonical_sha256":"03707e1e290b63c0eecdf55437d3f4d40a47d9ea3dbc046c83ae6f1906df8b78","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:00.355498Z","signature_b64":"I340sc7W6HAv9Oql1W7TgaaAYyA7mhFi55/+pcr/ylAiIivK7OucLmNa7XWmciOJypBlZ6V927biC5E8khNPDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03707e1e290b63c0eecdf55437d3f4d40a47d9ea3dbc046c83ae6f1906df8b78","last_reissued_at":"2026-05-18T02:39:00.354930Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:00.354930Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.8217","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":"2026-05-18T02:39:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ftS+uOUKOv1nZQwIojWIlkvbXAcaSMc4elDaeAyKEMRp786fpmkknTeItTRsQ1BpLLDl8ZkHQnXo1gCkO+XNDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:01:53.095606Z"},"content_sha256":"8cc096fd935390267fe7bb9c3b1fed075e6a97ee04d9d87c96a64dded2f0785b","schema_version":"1.0","event_id":"sha256:8cc096fd935390267fe7bb9c3b1fed075e6a97ee04d9d87c96a64dded2f0785b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:ANYH4HRJBNR4B3WN6VKDPU7U2Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tinker, tailor, solver, proof","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.HC"],"primary_cat":"cs.LO","authors_text":"Aleks Kissinger (University of Oxford), Gudmund Grov (Heriot-Watt University), Yuhui Lin (Heriot-Watt University)","submitted_at":"2014-10-30T01:07:33Z","abstract_excerpt":"We introduce Tinker, a tool for designing and evaluating proof strategies based on proof-strategy graphs, a formalism previously introduced by the authors. We represent proof strategies as open-graphs, which are directed graphs with additional input/output edges. Tactics appear as nodes in a graph, and can be `piped' together by adding edges between them. Goals are added to the input edges of such a graph, and flow through the graph as the strategy is evaluated. Properties of the edges ensure that only the right `type' of goals are accepted. In this paper, we detail the Tinker tool and show ho"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.8217","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":"2026-05-18T02:39:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3T40LzzpjaMKDvWlwJitXcb6heTF3tt3AxrRg37NLhBnRGW1T5HZFmipe6h1Y8FnXbbk2tOGv9djPPHeKH7pBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:01:53.096141Z"},"content_sha256":"d0f26bd54f98de0011b161fd905efd367867254444af62a2880ac65013e1eb1d","schema_version":"1.0","event_id":"sha256:d0f26bd54f98de0011b161fd905efd367867254444af62a2880ac65013e1eb1d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ANYH4HRJBNR4B3WN6VKDPU7U2Q/bundle.json","state_url":"https://pith.science/pith/ANYH4HRJBNR4B3WN6VKDPU7U2Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ANYH4HRJBNR4B3WN6VKDPU7U2Q/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":"2026-06-03T19:01:53Z","links":{"resolver":"https://pith.science/pith/ANYH4HRJBNR4B3WN6VKDPU7U2Q","bundle":"https://pith.science/pith/ANYH4HRJBNR4B3WN6VKDPU7U2Q/bundle.json","state":"https://pith.science/pith/ANYH4HRJBNR4B3WN6VKDPU7U2Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ANYH4HRJBNR4B3WN6VKDPU7U2Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:ANYH4HRJBNR4B3WN6VKDPU7U2Q","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":"cd8f6a6aab5b480a7c61aa2ff6419ada2253b29a91a481316ebe53abc8aa6df4","cross_cats_sorted":["cs.HC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2014-10-30T01:07:33Z","title_canon_sha256":"c4a75a02a09f480b55d4ac886ac6ea00b7c4c7f2b050e861c3c547913a334140"},"schema_version":"1.0","source":{"id":"1410.8217","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.8217","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"arxiv_version","alias_value":"1410.8217v1","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.8217","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"pith_short_12","alias_value":"ANYH4HRJBNR4","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"ANYH4HRJBNR4B3WN","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"ANYH4HRJ","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:d0f26bd54f98de0011b161fd905efd367867254444af62a2880ac65013e1eb1d","target":"graph","created_at":"2026-05-18T02:39:00Z","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":"We introduce Tinker, a tool for designing and evaluating proof strategies based on proof-strategy graphs, a formalism previously introduced by the authors. We represent proof strategies as open-graphs, which are directed graphs with additional input/output edges. Tactics appear as nodes in a graph, and can be `piped' together by adding edges between them. Goals are added to the input edges of such a graph, and flow through the graph as the strategy is evaluated. Properties of the edges ensure that only the right `type' of goals are accepted. In this paper, we detail the Tinker tool and show ho","authors_text":"Aleks Kissinger (University of Oxford), Gudmund Grov (Heriot-Watt University), Yuhui Lin (Heriot-Watt University)","cross_cats":["cs.HC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2014-10-30T01:07:33Z","title":"Tinker, tailor, solver, proof"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.8217","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":"sha256:8cc096fd935390267fe7bb9c3b1fed075e6a97ee04d9d87c96a64dded2f0785b","target":"record","created_at":"2026-05-18T02:39:00Z","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":"cd8f6a6aab5b480a7c61aa2ff6419ada2253b29a91a481316ebe53abc8aa6df4","cross_cats_sorted":["cs.HC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2014-10-30T01:07:33Z","title_canon_sha256":"c4a75a02a09f480b55d4ac886ac6ea00b7c4c7f2b050e861c3c547913a334140"},"schema_version":"1.0","source":{"id":"1410.8217","kind":"arxiv","version":1}},"canonical_sha256":"03707e1e290b63c0eecdf55437d3f4d40a47d9ea3dbc046c83ae6f1906df8b78","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"03707e1e290b63c0eecdf55437d3f4d40a47d9ea3dbc046c83ae6f1906df8b78","first_computed_at":"2026-05-18T02:39:00.354930Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:00.354930Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I340sc7W6HAv9Oql1W7TgaaAYyA7mhFi55/+pcr/ylAiIivK7OucLmNa7XWmciOJypBlZ6V927biC5E8khNPDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:00.355498Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.8217","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8cc096fd935390267fe7bb9c3b1fed075e6a97ee04d9d87c96a64dded2f0785b","sha256:d0f26bd54f98de0011b161fd905efd367867254444af62a2880ac65013e1eb1d"],"state_sha256":"96ec199d65e00bc4f826981979c732c09a80ada6ef926fd9a76aeff669d5ab96"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ad7ZJdpioeE8Z/rQGNBKDSGiMLstYQA4lrfPbB84rV0fiEArbFe7Ts/LJVqruhVxDMbskKyVQ7QIUFEyxAYbBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T19:01:53.098108Z","bundle_sha256":"e47386f19f0fdb9c90b10cc4a94cd28de3c0f16567d1169cb1ce6306e2c97509"}}