{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:IE4WA5DFF34YGGJAUHO7OYHWIQ","short_pith_number":"pith:IE4WA5DF","canonical_record":{"source":{"id":"1305.0900","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-05-04T09:39:19Z","cross_cats_sorted":["cs.DL","math.HO","physics.soc-ph"],"title_canon_sha256":"9bdbbd1385c7aa0c6b2af6174647d17d3e36cbd7f3e76869e6829dc3a36b864d","abstract_canon_sha256":"070a154848f62017652e03633e837698a8f668a06f883f16097e453d44a8abd0"},"schema_version":"1.0"},"canonical_sha256":"41396074652ef9831920a1ddf760f6440ac191b5f1941e0b3d72dad79ae22f33","source":{"kind":"arxiv","id":"1305.0900","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.0900","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"arxiv_version","alias_value":"1305.0900v1","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.0900","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"pith_short_12","alias_value":"IE4WA5DFF34Y","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"IE4WA5DFF34YGGJA","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"IE4WA5DF","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:IE4WA5DFF34YGGJAUHO7OYHWIQ","target":"record","payload":{"canonical_record":{"source":{"id":"1305.0900","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-05-04T09:39:19Z","cross_cats_sorted":["cs.DL","math.HO","physics.soc-ph"],"title_canon_sha256":"9bdbbd1385c7aa0c6b2af6174647d17d3e36cbd7f3e76869e6829dc3a36b864d","abstract_canon_sha256":"070a154848f62017652e03633e837698a8f668a06f883f16097e453d44a8abd0"},"schema_version":"1.0"},"canonical_sha256":"41396074652ef9831920a1ddf760f6440ac191b5f1941e0b3d72dad79ae22f33","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:26:31.406963Z","signature_b64":"M6ceKJNl+wAz9x2teidl21HGRFLvGa161NJ020VrGEG7FwMs23GRHRUi77ZmTMjI4wn5b2YNC21jm3aSRYvnCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41396074652ef9831920a1ddf760f6440ac191b5f1941e0b3d72dad79ae22f33","last_reissued_at":"2026-05-18T03:26:31.406558Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:26:31.406558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.0900","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":"2026-05-18T03:26:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SYeL2Cjl+vbMgwI79x0D4/Cv+H2+8cRIQgCHogn3HjhWmI9fVpUM1aLYgUfrSB9NUMiBgoJ2+cVjVX4+DOfGBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:58:25.211459Z"},"content_sha256":"3be428a08b48d8e6a93fa60acef1f88f44884f3bf485f507ea8db8d0848acabe","schema_version":"1.0","event_id":"sha256:3be428a08b48d8e6a93fa60acef1f88f44884f3bf485f507ea8db8d0848acabe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:IE4WA5DFF34YGGJAUHO7OYHWIQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mathematical practice, crowdsourcing, and social machines","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DL","math.HO","physics.soc-ph"],"primary_cat":"cs.SI","authors_text":"Alison Pease, Ursula Martin","submitted_at":"2013-05-04T09:39:19Z","abstract_excerpt":"The highest level of mathematics has traditionally been seen as a solitary endeavour, to produce a proof for review and acceptance by research peers. Mathematics is now at a remarkable inflexion point, with new technology radically extending the power and limits of individuals. Crowdsourcing pulls together diverse experts to solve problems; symbolic computation tackles huge routine calculations; and computers check proofs too long and complicated for humans to comprehend.\n  Mathematical practice is an emerging interdisciplinary field which draws on philosophy and social science to understand h"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.0900","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":"2026-05-18T03:26:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zUuPtQTifWfegPyabQXwma3vaKe9Rv0tnei+Ct0uEskiUJi35e+sQXSItIkjgnFwCFw6VrK3kMHyXW1NikOUDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:58:25.212036Z"},"content_sha256":"ffc8f5922b637702e87bf5720d4a0379b10f3e225649a2d0669d0c76b4a52acf","schema_version":"1.0","event_id":"sha256:ffc8f5922b637702e87bf5720d4a0379b10f3e225649a2d0669d0c76b4a52acf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IE4WA5DFF34YGGJAUHO7OYHWIQ/bundle.json","state_url":"https://pith.science/pith/IE4WA5DFF34YGGJAUHO7OYHWIQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IE4WA5DFF34YGGJAUHO7OYHWIQ/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":"2026-05-26T21:58:25Z","links":{"resolver":"https://pith.science/pith/IE4WA5DFF34YGGJAUHO7OYHWIQ","bundle":"https://pith.science/pith/IE4WA5DFF34YGGJAUHO7OYHWIQ/bundle.json","state":"https://pith.science/pith/IE4WA5DFF34YGGJAUHO7OYHWIQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IE4WA5DFF34YGGJAUHO7OYHWIQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:IE4WA5DFF34YGGJAUHO7OYHWIQ","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":"070a154848f62017652e03633e837698a8f668a06f883f16097e453d44a8abd0","cross_cats_sorted":["cs.DL","math.HO","physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-05-04T09:39:19Z","title_canon_sha256":"9bdbbd1385c7aa0c6b2af6174647d17d3e36cbd7f3e76869e6829dc3a36b864d"},"schema_version":"1.0","source":{"id":"1305.0900","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.0900","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"arxiv_version","alias_value":"1305.0900v1","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.0900","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"pith_short_12","alias_value":"IE4WA5DFF34Y","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"IE4WA5DFF34YGGJA","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"IE4WA5DF","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:ffc8f5922b637702e87bf5720d4a0379b10f3e225649a2d0669d0c76b4a52acf","target":"graph","created_at":"2026-05-18T03:26:31Z","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":"The highest level of mathematics has traditionally been seen as a solitary endeavour, to produce a proof for review and acceptance by research peers. Mathematics is now at a remarkable inflexion point, with new technology radically extending the power and limits of individuals. Crowdsourcing pulls together diverse experts to solve problems; symbolic computation tackles huge routine calculations; and computers check proofs too long and complicated for humans to comprehend.\n  Mathematical practice is an emerging interdisciplinary field which draws on philosophy and social science to understand h","authors_text":"Alison Pease, Ursula Martin","cross_cats":["cs.DL","math.HO","physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-05-04T09:39:19Z","title":"Mathematical practice, crowdsourcing, and social machines"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.0900","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":"sha256:3be428a08b48d8e6a93fa60acef1f88f44884f3bf485f507ea8db8d0848acabe","target":"record","created_at":"2026-05-18T03:26:31Z","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":"070a154848f62017652e03633e837698a8f668a06f883f16097e453d44a8abd0","cross_cats_sorted":["cs.DL","math.HO","physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-05-04T09:39:19Z","title_canon_sha256":"9bdbbd1385c7aa0c6b2af6174647d17d3e36cbd7f3e76869e6829dc3a36b864d"},"schema_version":"1.0","source":{"id":"1305.0900","kind":"arxiv","version":1}},"canonical_sha256":"41396074652ef9831920a1ddf760f6440ac191b5f1941e0b3d72dad79ae22f33","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"41396074652ef9831920a1ddf760f6440ac191b5f1941e0b3d72dad79ae22f33","first_computed_at":"2026-05-18T03:26:31.406558Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:26:31.406558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M6ceKJNl+wAz9x2teidl21HGRFLvGa161NJ020VrGEG7FwMs23GRHRUi77ZmTMjI4wn5b2YNC21jm3aSRYvnCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:26:31.406963Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.0900","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3be428a08b48d8e6a93fa60acef1f88f44884f3bf485f507ea8db8d0848acabe","sha256:ffc8f5922b637702e87bf5720d4a0379b10f3e225649a2d0669d0c76b4a52acf"],"state_sha256":"e91b8952a84a1181ef43da2d77ca9744c75955b8fecabb807157d3dc7b75bea6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TulUGa0X0mzH//kVa01Oq1QIH1W/csc3AXhA6a8xBPcxNfD7BVGOeWg2ubkYTjDZvITAaAd5/eNzaywX0XgzCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:58:25.215205Z","bundle_sha256":"92f5e8a155104453f8aa4a85d34133d2530341db754fd1e390afc1fc6415c5a3"}}