{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:VIQIWBDG47CLCIH6CEJRDBQ4PK","short_pith_number":"pith:VIQIWBDG","canonical_record":{"source":{"id":"1804.03100","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-09T16:58:03Z","cross_cats_sorted":[],"title_canon_sha256":"4ceeb8706275b534809d38ce2cece1214c46677956b01c7d77d55b193eb5fa7b","abstract_canon_sha256":"ee49f41d29f60a5d7a9b0919b34d492d7ba4bf49080585879f3f533dff7ad5be"},"schema_version":"1.0"},"canonical_sha256":"aa208b0466e7c4b120fe111311861c7aaa4760a1d15b59b0add5b7c155d4af25","source":{"kind":"arxiv","id":"1804.03100","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.03100","created_at":"2026-05-18T00:05:45Z"},{"alias_kind":"arxiv_version","alias_value":"1804.03100v1","created_at":"2026-05-18T00:05:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.03100","created_at":"2026-05-18T00:05:45Z"},{"alias_kind":"pith_short_12","alias_value":"VIQIWBDG47CL","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VIQIWBDG47CLCIH6","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VIQIWBDG","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:VIQIWBDG47CLCIH6CEJRDBQ4PK","target":"record","payload":{"canonical_record":{"source":{"id":"1804.03100","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-09T16:58:03Z","cross_cats_sorted":[],"title_canon_sha256":"4ceeb8706275b534809d38ce2cece1214c46677956b01c7d77d55b193eb5fa7b","abstract_canon_sha256":"ee49f41d29f60a5d7a9b0919b34d492d7ba4bf49080585879f3f533dff7ad5be"},"schema_version":"1.0"},"canonical_sha256":"aa208b0466e7c4b120fe111311861c7aaa4760a1d15b59b0add5b7c155d4af25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:45.643083Z","signature_b64":"TD9aLd7eqYIycxI2UJd53xjT1a73OY5TyHLohiPxRzpxZlRE7qb8sjdliEpJY4rCBvRAzJkxUZzT3UGja7MKDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa208b0466e7c4b120fe111311861c7aaa4760a1d15b59b0add5b7c155d4af25","last_reissued_at":"2026-05-18T00:05:45.642396Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:45.642396Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.03100","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":"2026-05-18T00:05:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uRZ3rJQb8eftq8dgV1Evz3iFlf8OkW1XLopiGnuk7LX35bZ1PGnQC6RYKzisIjcEqSt4Y529bl+IGKUv/scnDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T03:30:11.605309Z"},"content_sha256":"9796e77fd083953b84142d0c2c6e75db8b896fdfb3f99a47d0a09cfe379b9894","schema_version":"1.0","event_id":"sha256:9796e77fd083953b84142d0c2c6e75db8b896fdfb3f99a47d0a09cfe379b9894"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:VIQIWBDG47CLCIH6CEJRDBQ4PK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Incorporating Surface Convection into a 3D Babcock-Leighton Solar Dynamo Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Gopal Hazra, Mark Miesch","submitted_at":"2018-04-09T16:58:03Z","abstract_excerpt":"The observed convective flows on the photosphere (e.g., supergranulation, granulation) play a key role in the Babcock-Leighton (BL) process to generate large-scale polar fields from sunspots fields. In most surface flux transport (SFT) and BL dynamo models, the dispersal and migration of surface fields is modeled as an effective turbulent diffusion. Recent SFT models have incorporated explicit, realistic convective flows in order to improve the fidelity of convective transport but, to our knowledge, this has not yet been implemented in previous BL models. Since most Flux-Transport (FT)/BL mode"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.03100","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":"2026-05-18T00:05:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W/tSBg6xzE0yRHUvtyB75CyhWU4JvazQHmIjkmrRdNIxOLs+CaVNP9E+LoVR/pnT5V0UPk6MQE14YUikCj4ZCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T03:30:11.605792Z"},"content_sha256":"09174e6acbbcc80c2af3b37ef120dfc5099535c37dde31ca3a788860708d98e6","schema_version":"1.0","event_id":"sha256:09174e6acbbcc80c2af3b37ef120dfc5099535c37dde31ca3a788860708d98e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VIQIWBDG47CLCIH6CEJRDBQ4PK/bundle.json","state_url":"https://pith.science/pith/VIQIWBDG47CLCIH6CEJRDBQ4PK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VIQIWBDG47CLCIH6CEJRDBQ4PK/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":"2026-05-23T03:30:11Z","links":{"resolver":"https://pith.science/pith/VIQIWBDG47CLCIH6CEJRDBQ4PK","bundle":"https://pith.science/pith/VIQIWBDG47CLCIH6CEJRDBQ4PK/bundle.json","state":"https://pith.science/pith/VIQIWBDG47CLCIH6CEJRDBQ4PK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VIQIWBDG47CLCIH6CEJRDBQ4PK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VIQIWBDG47CLCIH6CEJRDBQ4PK","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":"ee49f41d29f60a5d7a9b0919b34d492d7ba4bf49080585879f3f533dff7ad5be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-09T16:58:03Z","title_canon_sha256":"4ceeb8706275b534809d38ce2cece1214c46677956b01c7d77d55b193eb5fa7b"},"schema_version":"1.0","source":{"id":"1804.03100","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.03100","created_at":"2026-05-18T00:05:45Z"},{"alias_kind":"arxiv_version","alias_value":"1804.03100v1","created_at":"2026-05-18T00:05:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.03100","created_at":"2026-05-18T00:05:45Z"},{"alias_kind":"pith_short_12","alias_value":"VIQIWBDG47CL","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VIQIWBDG47CLCIH6","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VIQIWBDG","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:09174e6acbbcc80c2af3b37ef120dfc5099535c37dde31ca3a788860708d98e6","target":"graph","created_at":"2026-05-18T00:05:45Z","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 observed convective flows on the photosphere (e.g., supergranulation, granulation) play a key role in the Babcock-Leighton (BL) process to generate large-scale polar fields from sunspots fields. In most surface flux transport (SFT) and BL dynamo models, the dispersal and migration of surface fields is modeled as an effective turbulent diffusion. Recent SFT models have incorporated explicit, realistic convective flows in order to improve the fidelity of convective transport but, to our knowledge, this has not yet been implemented in previous BL models. Since most Flux-Transport (FT)/BL mode","authors_text":"Gopal Hazra, Mark Miesch","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-09T16:58:03Z","title":"Incorporating Surface Convection into a 3D Babcock-Leighton Solar Dynamo Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.03100","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":"sha256:9796e77fd083953b84142d0c2c6e75db8b896fdfb3f99a47d0a09cfe379b9894","target":"record","created_at":"2026-05-18T00:05:45Z","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":"ee49f41d29f60a5d7a9b0919b34d492d7ba4bf49080585879f3f533dff7ad5be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-09T16:58:03Z","title_canon_sha256":"4ceeb8706275b534809d38ce2cece1214c46677956b01c7d77d55b193eb5fa7b"},"schema_version":"1.0","source":{"id":"1804.03100","kind":"arxiv","version":1}},"canonical_sha256":"aa208b0466e7c4b120fe111311861c7aaa4760a1d15b59b0add5b7c155d4af25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa208b0466e7c4b120fe111311861c7aaa4760a1d15b59b0add5b7c155d4af25","first_computed_at":"2026-05-18T00:05:45.642396Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:45.642396Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TD9aLd7eqYIycxI2UJd53xjT1a73OY5TyHLohiPxRzpxZlRE7qb8sjdliEpJY4rCBvRAzJkxUZzT3UGja7MKDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:45.643083Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.03100","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9796e77fd083953b84142d0c2c6e75db8b896fdfb3f99a47d0a09cfe379b9894","sha256:09174e6acbbcc80c2af3b37ef120dfc5099535c37dde31ca3a788860708d98e6"],"state_sha256":"3e88900799bf2f19c2defca6bae5988e34f7dfa3dd6510735c1193582823e45f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9+SfVgtHkWlESeeQcAGW6Jv/4LHkVEgVpZr8dwXmP8L6mnmrhe+PLLpz4q37tE/nEGn5Y1MzqXeCsPJ+eok6CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T03:30:11.608153Z","bundle_sha256":"dc8e235163b0bcf67ff10b9325fb65b1054531a9c7887c88d08ec24b5965ac98"}}