{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:Y46B2Y7G2NN5IGM5XZOZ4OM6H7","short_pith_number":"pith:Y46B2Y7G","canonical_record":{"source":{"id":"1804.01344","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-04T11:07:28Z","cross_cats_sorted":[],"title_canon_sha256":"58dc6820831de76c4edbb05a76e9e217eb404dff45590e4be82829fe2a3c6329","abstract_canon_sha256":"7133edaded6e0deb75eaf24ad4f3664afb199435d60753cbf103366fe222e9b1"},"schema_version":"1.0"},"canonical_sha256":"c73c1d63e6d35bd4199dbe5d9e399e3fc35bcf21513ba9f478769fa8f1e09a7d","source":{"kind":"arxiv","id":"1804.01344","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01344","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01344v1","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01344","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"pith_short_12","alias_value":"Y46B2Y7G2NN5","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"Y46B2Y7G2NN5IGM5","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"Y46B2Y7G","created_at":"2026-05-18T12:33:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:Y46B2Y7G2NN5IGM5XZOZ4OM6H7","target":"record","payload":{"canonical_record":{"source":{"id":"1804.01344","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-04T11:07:28Z","cross_cats_sorted":[],"title_canon_sha256":"58dc6820831de76c4edbb05a76e9e217eb404dff45590e4be82829fe2a3c6329","abstract_canon_sha256":"7133edaded6e0deb75eaf24ad4f3664afb199435d60753cbf103366fe222e9b1"},"schema_version":"1.0"},"canonical_sha256":"c73c1d63e6d35bd4199dbe5d9e399e3fc35bcf21513ba9f478769fa8f1e09a7d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:37.960429Z","signature_b64":"BPvfL/q/0ClEbMJtnl3+lcc8ZMorVO2PhELfOdxpU3QkTT7px18D4VWtLho2UH2eAfSfvCYZai4JiXWj9cVdCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c73c1d63e6d35bd4199dbe5d9e399e3fc35bcf21513ba9f478769fa8f1e09a7d","last_reissued_at":"2026-05-18T00:17:37.959781Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:37.959781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.01344","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":"2026-05-18T00:17:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oIUCRQzspEz0L0gHYy/HWcXiSJMABugyjxftkvKmjK1piuYAoAh1giGwmCLDKWQzBkr4SJUogSnUqV8FRnXPAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T04:00:10.374387Z"},"content_sha256":"eaf3f68e6461a0d15d75c083c63075723a74ec69a9c3ecc6b39ce5d814e11b7d","schema_version":"1.0","event_id":"sha256:eaf3f68e6461a0d15d75c083c63075723a74ec69a9c3ecc6b39ce5d814e11b7d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:Y46B2Y7G2NN5IGM5XZOZ4OM6H7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Meridional Motions and Reynolds Stress Determined by Using Kanzelh\\\"{o}he Drawings and White Light Solar Images from 1964 to 2016","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Arnold Hanslmeier, Astrid Veronig, Davor Sudar, Domagoj Ru\\v{z}djak, Ivana Poljan\\v{c}i\\'c Beljan, Ivica Skoki\\'c, Rajka Jurdana-\\v{S}epi\\'c, Roman Braj\\v{s}a, Werner P\\\"otzi","submitted_at":"2018-04-04T11:07:28Z","abstract_excerpt":"Sunspot position data obtained from Kanzelh\\\"{o}he Observatory for Solar and Environmental Research (KSO) sunspot drawings and white light images in the period 1964 to 2016 were used to calculate the rotational and meridional velocities of the solar plasma. Velocities were calculated from daily shifts of sunspot groups and an iterative process of calculation of the differential rotation profiles was used to discard outliers. We found a differential rotation profile and meridional motions in agreement with previous studies using sunspots as tracers and conclude that the quality of the KSO data "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01344","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":"2026-05-18T00:17:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DepcKsb4dkZfeyPQT1RDQpWDSd4/RUqJcT98mNteCUVwoM8l8wMoAzfHRKhJfy6VmjPfLUKr9qD/YixxR8xhBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T04:00:10.374748Z"},"content_sha256":"6d68e65db8900430d70fb57cdeaf146b4de003c150222108d9e1aebb012335c5","schema_version":"1.0","event_id":"sha256:6d68e65db8900430d70fb57cdeaf146b4de003c150222108d9e1aebb012335c5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y46B2Y7G2NN5IGM5XZOZ4OM6H7/bundle.json","state_url":"https://pith.science/pith/Y46B2Y7G2NN5IGM5XZOZ4OM6H7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y46B2Y7G2NN5IGM5XZOZ4OM6H7/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":"2026-06-03T04:00:10Z","links":{"resolver":"https://pith.science/pith/Y46B2Y7G2NN5IGM5XZOZ4OM6H7","bundle":"https://pith.science/pith/Y46B2Y7G2NN5IGM5XZOZ4OM6H7/bundle.json","state":"https://pith.science/pith/Y46B2Y7G2NN5IGM5XZOZ4OM6H7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y46B2Y7G2NN5IGM5XZOZ4OM6H7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:Y46B2Y7G2NN5IGM5XZOZ4OM6H7","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":"7133edaded6e0deb75eaf24ad4f3664afb199435d60753cbf103366fe222e9b1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-04T11:07:28Z","title_canon_sha256":"58dc6820831de76c4edbb05a76e9e217eb404dff45590e4be82829fe2a3c6329"},"schema_version":"1.0","source":{"id":"1804.01344","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01344","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01344v1","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01344","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"pith_short_12","alias_value":"Y46B2Y7G2NN5","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"Y46B2Y7G2NN5IGM5","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"Y46B2Y7G","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:6d68e65db8900430d70fb57cdeaf146b4de003c150222108d9e1aebb012335c5","target":"graph","created_at":"2026-05-18T00:17:37Z","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":"Sunspot position data obtained from Kanzelh\\\"{o}he Observatory for Solar and Environmental Research (KSO) sunspot drawings and white light images in the period 1964 to 2016 were used to calculate the rotational and meridional velocities of the solar plasma. Velocities were calculated from daily shifts of sunspot groups and an iterative process of calculation of the differential rotation profiles was used to discard outliers. We found a differential rotation profile and meridional motions in agreement with previous studies using sunspots as tracers and conclude that the quality of the KSO data ","authors_text":"Arnold Hanslmeier, Astrid Veronig, Davor Sudar, Domagoj Ru\\v{z}djak, Ivana Poljan\\v{c}i\\'c Beljan, Ivica Skoki\\'c, Rajka Jurdana-\\v{S}epi\\'c, Roman Braj\\v{s}a, Werner P\\\"otzi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-04T11:07:28Z","title":"Meridional Motions and Reynolds Stress Determined by Using Kanzelh\\\"{o}he Drawings and White Light Solar Images from 1964 to 2016"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01344","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:eaf3f68e6461a0d15d75c083c63075723a74ec69a9c3ecc6b39ce5d814e11b7d","target":"record","created_at":"2026-05-18T00:17:37Z","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":"7133edaded6e0deb75eaf24ad4f3664afb199435d60753cbf103366fe222e9b1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-04T11:07:28Z","title_canon_sha256":"58dc6820831de76c4edbb05a76e9e217eb404dff45590e4be82829fe2a3c6329"},"schema_version":"1.0","source":{"id":"1804.01344","kind":"arxiv","version":1}},"canonical_sha256":"c73c1d63e6d35bd4199dbe5d9e399e3fc35bcf21513ba9f478769fa8f1e09a7d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c73c1d63e6d35bd4199dbe5d9e399e3fc35bcf21513ba9f478769fa8f1e09a7d","first_computed_at":"2026-05-18T00:17:37.959781Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:37.959781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BPvfL/q/0ClEbMJtnl3+lcc8ZMorVO2PhELfOdxpU3QkTT7px18D4VWtLho2UH2eAfSfvCYZai4JiXWj9cVdCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:37.960429Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.01344","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eaf3f68e6461a0d15d75c083c63075723a74ec69a9c3ecc6b39ce5d814e11b7d","sha256:6d68e65db8900430d70fb57cdeaf146b4de003c150222108d9e1aebb012335c5"],"state_sha256":"1152425c351364cad41e219ea6cdd6e277ecfd607e30ac0b935ac185236a76a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zNg0Wk6HE3ZjEjkGwsZBGsCu0dLCKckzVPhfMtyrBxing/1JMvTKABOZ2JTNYps4bIXxISZEwBG/rjE+syH+DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T04:00:10.376712Z","bundle_sha256":"bb626d2e42b2173f6e4c5b3f7e6c93f3f0cc021e96a49615edd01000e817dad9"}}