{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DQQ3ARFRFZKF7X6FVM5AZTADKO","short_pith_number":"pith:DQQ3ARFR","canonical_record":{"source":{"id":"1801.01692","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AC","submitted_at":"2018-01-05T10:24:31Z","cross_cats_sorted":[],"title_canon_sha256":"77e920e90c2cbe1b6a420a28d98b75bd3d7ab5c46fdc7d37c4a637378f6ec4d3","abstract_canon_sha256":"19693df0e1f549cecf56a4a787ae345d6fdb07822ed8f8392d065e4fb58a6bbb"},"schema_version":"1.0"},"canonical_sha256":"1c21b044b12e545fdfc5ab3a0ccc0353b9049474a8c780ba1296caefaab5ae54","source":{"kind":"arxiv","id":"1801.01692","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.01692","created_at":"2026-05-17T23:46:55Z"},{"alias_kind":"arxiv_version","alias_value":"1801.01692v1","created_at":"2026-05-17T23:46:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.01692","created_at":"2026-05-17T23:46:55Z"},{"alias_kind":"pith_short_12","alias_value":"DQQ3ARFRFZKF","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DQQ3ARFRFZKF7X6F","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DQQ3ARFR","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DQQ3ARFRFZKF7X6FVM5AZTADKO","target":"record","payload":{"canonical_record":{"source":{"id":"1801.01692","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AC","submitted_at":"2018-01-05T10:24:31Z","cross_cats_sorted":[],"title_canon_sha256":"77e920e90c2cbe1b6a420a28d98b75bd3d7ab5c46fdc7d37c4a637378f6ec4d3","abstract_canon_sha256":"19693df0e1f549cecf56a4a787ae345d6fdb07822ed8f8392d065e4fb58a6bbb"},"schema_version":"1.0"},"canonical_sha256":"1c21b044b12e545fdfc5ab3a0ccc0353b9049474a8c780ba1296caefaab5ae54","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:55.525359Z","signature_b64":"F920naDlAclUH+P24rS2jv5swyywl/BZGMe/xQ/pKEH6I7VIAJN/aUGWO6KmLUE359WBDVcuDUIwBKPCFTr5Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c21b044b12e545fdfc5ab3a0ccc0353b9049474a8c780ba1296caefaab5ae54","last_reissued_at":"2026-05-17T23:46:55.524642Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:55.524642Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.01692","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":"2026-05-17T23:46:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yA5GqcmWJPAhjyghdMyVsv4ZqCAkVD7tZy5R6M6sYGjmHulsisz50kRHHrU4q4ohfa2H9Sy31tWXANQR6lRIDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:16:53.285350Z"},"content_sha256":"70192a902c75b77e37d40b91549ade66b49ae2e4ee9e58ebc3f05f647a6a598c","schema_version":"1.0","event_id":"sha256:70192a902c75b77e37d40b91549ade66b49ae2e4ee9e58ebc3f05f647a6a598c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DQQ3ARFRFZKF7X6FVM5AZTADKO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Algebraic stories from one and from the other pockets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AC","authors_text":"Alessandro Oneto, Boris Shapiro, Ralf Fr\\\"oberg, Samuel Lundqvist","submitted_at":"2018-01-05T10:24:31Z","abstract_excerpt":"We present a number of questions in commutative algebra posed on the problem solving seminar in algebra at Stockholm University during the period Fall 2014 - Spring 2017."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.01692","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":"2026-05-17T23:46:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZLKwK/7Wzn60JNuMO8SWcUOpnr3CGLrkLSptwjWABWSFZCZWS0ZiR9+95nEi0wvxf7lnm0pt3o/x0nihNZB9Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:16:53.285943Z"},"content_sha256":"1b3bfe8a366fc448f7923258cca54c1bf24bb0978f32168577bacadd6e7e53fc","schema_version":"1.0","event_id":"sha256:1b3bfe8a366fc448f7923258cca54c1bf24bb0978f32168577bacadd6e7e53fc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DQQ3ARFRFZKF7X6FVM5AZTADKO/bundle.json","state_url":"https://pith.science/pith/DQQ3ARFRFZKF7X6FVM5AZTADKO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DQQ3ARFRFZKF7X6FVM5AZTADKO/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":"2026-05-26T19:16:53Z","links":{"resolver":"https://pith.science/pith/DQQ3ARFRFZKF7X6FVM5AZTADKO","bundle":"https://pith.science/pith/DQQ3ARFRFZKF7X6FVM5AZTADKO/bundle.json","state":"https://pith.science/pith/DQQ3ARFRFZKF7X6FVM5AZTADKO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DQQ3ARFRFZKF7X6FVM5AZTADKO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DQQ3ARFRFZKF7X6FVM5AZTADKO","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":"19693df0e1f549cecf56a4a787ae345d6fdb07822ed8f8392d065e4fb58a6bbb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AC","submitted_at":"2018-01-05T10:24:31Z","title_canon_sha256":"77e920e90c2cbe1b6a420a28d98b75bd3d7ab5c46fdc7d37c4a637378f6ec4d3"},"schema_version":"1.0","source":{"id":"1801.01692","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.01692","created_at":"2026-05-17T23:46:55Z"},{"alias_kind":"arxiv_version","alias_value":"1801.01692v1","created_at":"2026-05-17T23:46:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.01692","created_at":"2026-05-17T23:46:55Z"},{"alias_kind":"pith_short_12","alias_value":"DQQ3ARFRFZKF","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DQQ3ARFRFZKF7X6F","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DQQ3ARFR","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:1b3bfe8a366fc448f7923258cca54c1bf24bb0978f32168577bacadd6e7e53fc","target":"graph","created_at":"2026-05-17T23:46:55Z","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 present a number of questions in commutative algebra posed on the problem solving seminar in algebra at Stockholm University during the period Fall 2014 - Spring 2017.","authors_text":"Alessandro Oneto, Boris Shapiro, Ralf Fr\\\"oberg, Samuel Lundqvist","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AC","submitted_at":"2018-01-05T10:24:31Z","title":"Algebraic stories from one and from the other pockets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.01692","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":"sha256:70192a902c75b77e37d40b91549ade66b49ae2e4ee9e58ebc3f05f647a6a598c","target":"record","created_at":"2026-05-17T23:46:55Z","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":"19693df0e1f549cecf56a4a787ae345d6fdb07822ed8f8392d065e4fb58a6bbb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AC","submitted_at":"2018-01-05T10:24:31Z","title_canon_sha256":"77e920e90c2cbe1b6a420a28d98b75bd3d7ab5c46fdc7d37c4a637378f6ec4d3"},"schema_version":"1.0","source":{"id":"1801.01692","kind":"arxiv","version":1}},"canonical_sha256":"1c21b044b12e545fdfc5ab3a0ccc0353b9049474a8c780ba1296caefaab5ae54","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c21b044b12e545fdfc5ab3a0ccc0353b9049474a8c780ba1296caefaab5ae54","first_computed_at":"2026-05-17T23:46:55.524642Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:55.524642Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F920naDlAclUH+P24rS2jv5swyywl/BZGMe/xQ/pKEH6I7VIAJN/aUGWO6KmLUE359WBDVcuDUIwBKPCFTr5Aw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:55.525359Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.01692","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70192a902c75b77e37d40b91549ade66b49ae2e4ee9e58ebc3f05f647a6a598c","sha256:1b3bfe8a366fc448f7923258cca54c1bf24bb0978f32168577bacadd6e7e53fc"],"state_sha256":"148504579d9343aa4d05c170eaec18b9ebe3eca29db495a3554c8ae0928c8262"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5pwgLnEOnsoz5j3GMSpGprlAwU0U/QsKfrPUvY/IK3GGbiIGPZOGvUxlfZgjwl2Gc5aengZbmr/IyritYxkFCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:16:53.289578Z","bundle_sha256":"b447063ec2e5861ad3e5ac13e43d5730e8dd9e26e90e9739637f5da96da185b0"}}