{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:YJ2HNXEEAVWBYLDTHBPW7CG23R","short_pith_number":"pith:YJ2HNXEE","canonical_record":{"source":{"id":"1806.00489","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-01T18:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"2b874ab3f02695b1b40d311b1ae99c10f176261c5fdb26d0021ce26938d9f141","abstract_canon_sha256":"d9999dbcf848a30091f8001c4274f27213eddac998c54c4490f2ba8122f8f200"},"schema_version":"1.0"},"canonical_sha256":"c27476dc84056c1c2c73385f6f88dadc78cf43903c18f6c94acdd6dacf384c80","source":{"kind":"arxiv","id":"1806.00489","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.00489","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"arxiv_version","alias_value":"1806.00489v1","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.00489","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"pith_short_12","alias_value":"YJ2HNXEEAVWB","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YJ2HNXEEAVWBYLDT","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YJ2HNXEE","created_at":"2026-05-18T12:33:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:YJ2HNXEEAVWBYLDTHBPW7CG23R","target":"record","payload":{"canonical_record":{"source":{"id":"1806.00489","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-01T18:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"2b874ab3f02695b1b40d311b1ae99c10f176261c5fdb26d0021ce26938d9f141","abstract_canon_sha256":"d9999dbcf848a30091f8001c4274f27213eddac998c54c4490f2ba8122f8f200"},"schema_version":"1.0"},"canonical_sha256":"c27476dc84056c1c2c73385f6f88dadc78cf43903c18f6c94acdd6dacf384c80","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:21.086375Z","signature_b64":"6yA0ZZdq/ALgG592O40laVt6Kgb8xi1QLouJ0aoZcrIftAxhr04oKGhrPCdvfbtctr6DMC3tdNKlEhm0nufiCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c27476dc84056c1c2c73385f6f88dadc78cf43903c18f6c94acdd6dacf384c80","last_reissued_at":"2026-05-18T00:14:21.085759Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:21.085759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.00489","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":"2026-05-18T00:14:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s0M7By3LcdBI4tcf/OkncjSu8JgxNywcOd77nCu45KtSBIpyw/Nnx6uZ2ypGZ4MR9u7AS57NH9bxAOUEqodnCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:33:55.615629Z"},"content_sha256":"f6e832a723084acc95dbf0e21da793105cbd1d1158a1d8404292e4b459cf1f8a","schema_version":"1.0","event_id":"sha256:f6e832a723084acc95dbf0e21da793105cbd1d1158a1d8404292e4b459cf1f8a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:YJ2HNXEEAVWBYLDTHBPW7CG23R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Small-scale magnetic flux emergence in the quiet Sun","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"D. Mu\\~noz, F. Moreno-Insertis, J. Martinez-Sykora, V. H. Hansteen","submitted_at":"2018-06-01T18:00:05Z","abstract_excerpt":"Small bipolar magnetic features are observed to appear in the interior of individual granules in the quiet Sun, signaling the emergence of tiny magnetic loops from the solar interior. We study the origin of those features as part of the magnetoconvection process in the top layers of the convection zone. Two quiet-Sun magnetoconvection models, calculated with the radiation-magnetohydrodynamic (MHD) Bifrost code and with domain stretching from the top layers of the convection zone to the corona, are analyzed. Using 3D visualization as well as a posteriori spectral synthesis of Stokes parameters,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.00489","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":"2026-05-18T00:14:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YP/KxDBkfiezx01rbybDypRAybcG3sP2gFWevgAlAA3Pmc362/F80JqIH8Ski3Y/3Yef/U84GY7Dozpy/qJmCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:33:55.615979Z"},"content_sha256":"918ac6d6bd89a63d7b7865565b6cfe85f6ee745c6886a7f329ef19c050961d3d","schema_version":"1.0","event_id":"sha256:918ac6d6bd89a63d7b7865565b6cfe85f6ee745c6886a7f329ef19c050961d3d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YJ2HNXEEAVWBYLDTHBPW7CG23R/bundle.json","state_url":"https://pith.science/pith/YJ2HNXEEAVWBYLDTHBPW7CG23R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YJ2HNXEEAVWBYLDTHBPW7CG23R/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":"2026-05-28T11:33:55Z","links":{"resolver":"https://pith.science/pith/YJ2HNXEEAVWBYLDTHBPW7CG23R","bundle":"https://pith.science/pith/YJ2HNXEEAVWBYLDTHBPW7CG23R/bundle.json","state":"https://pith.science/pith/YJ2HNXEEAVWBYLDTHBPW7CG23R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YJ2HNXEEAVWBYLDTHBPW7CG23R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:YJ2HNXEEAVWBYLDTHBPW7CG23R","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":"d9999dbcf848a30091f8001c4274f27213eddac998c54c4490f2ba8122f8f200","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-01T18:00:05Z","title_canon_sha256":"2b874ab3f02695b1b40d311b1ae99c10f176261c5fdb26d0021ce26938d9f141"},"schema_version":"1.0","source":{"id":"1806.00489","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.00489","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"arxiv_version","alias_value":"1806.00489v1","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.00489","created_at":"2026-05-18T00:14:21Z"},{"alias_kind":"pith_short_12","alias_value":"YJ2HNXEEAVWB","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YJ2HNXEEAVWBYLDT","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YJ2HNXEE","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:918ac6d6bd89a63d7b7865565b6cfe85f6ee745c6886a7f329ef19c050961d3d","target":"graph","created_at":"2026-05-18T00:14:21Z","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":"Small bipolar magnetic features are observed to appear in the interior of individual granules in the quiet Sun, signaling the emergence of tiny magnetic loops from the solar interior. We study the origin of those features as part of the magnetoconvection process in the top layers of the convection zone. Two quiet-Sun magnetoconvection models, calculated with the radiation-magnetohydrodynamic (MHD) Bifrost code and with domain stretching from the top layers of the convection zone to the corona, are analyzed. Using 3D visualization as well as a posteriori spectral synthesis of Stokes parameters,","authors_text":"D. Mu\\~noz, F. Moreno-Insertis, J. Martinez-Sykora, V. H. Hansteen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-01T18:00:05Z","title":"Small-scale magnetic flux emergence in the quiet Sun"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.00489","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:f6e832a723084acc95dbf0e21da793105cbd1d1158a1d8404292e4b459cf1f8a","target":"record","created_at":"2026-05-18T00:14:21Z","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":"d9999dbcf848a30091f8001c4274f27213eddac998c54c4490f2ba8122f8f200","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-01T18:00:05Z","title_canon_sha256":"2b874ab3f02695b1b40d311b1ae99c10f176261c5fdb26d0021ce26938d9f141"},"schema_version":"1.0","source":{"id":"1806.00489","kind":"arxiv","version":1}},"canonical_sha256":"c27476dc84056c1c2c73385f6f88dadc78cf43903c18f6c94acdd6dacf384c80","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c27476dc84056c1c2c73385f6f88dadc78cf43903c18f6c94acdd6dacf384c80","first_computed_at":"2026-05-18T00:14:21.085759Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:14:21.085759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6yA0ZZdq/ALgG592O40laVt6Kgb8xi1QLouJ0aoZcrIftAxhr04oKGhrPCdvfbtctr6DMC3tdNKlEhm0nufiCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:14:21.086375Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.00489","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f6e832a723084acc95dbf0e21da793105cbd1d1158a1d8404292e4b459cf1f8a","sha256:918ac6d6bd89a63d7b7865565b6cfe85f6ee745c6886a7f329ef19c050961d3d"],"state_sha256":"eec1d544160059e0630956265ffc6bf80490f59dc7ec99d1e19adb13b93acb89"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5EQMGl7FVUxDmY0C64HhLEcXuh/JjqQPM+gqhrksUeqRW+PHuq5fFSA4HxWLlJ8iOiGxteGDeff6a7hnVBcGBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T11:33:55.617945Z","bundle_sha256":"aa7738a76a3c59c56acf47c4933a8b9b2ee46011e8fd32c5e40edb274a5d8599"}}