{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:ZMXMCJ4DKUZSULQ3AVVAFH4V2U","short_pith_number":"pith:ZMXMCJ4D","canonical_record":{"source":{"id":"1309.5853","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-09-23T15:40:40Z","cross_cats_sorted":[],"title_canon_sha256":"1b751be2724d7ea6a6a4282211f4030ff0918c2c3dfdb36c6c754f775bf118fb","abstract_canon_sha256":"a85e54d6a6cb8bbc6dd138b7c9db3563dcab502b30be47b0c3ab5027aa325fb8"},"schema_version":"1.0"},"canonical_sha256":"cb2ec1278355332a2e1b056a029f95d50a0e15c30511b5f8f23ff58c73b5b7d5","source":{"kind":"arxiv","id":"1309.5853","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.5853","created_at":"2026-05-18T01:47:34Z"},{"alias_kind":"arxiv_version","alias_value":"1309.5853v1","created_at":"2026-05-18T01:47:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.5853","created_at":"2026-05-18T01:47:34Z"},{"alias_kind":"pith_short_12","alias_value":"ZMXMCJ4DKUZS","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"ZMXMCJ4DKUZSULQ3","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"ZMXMCJ4D","created_at":"2026-05-18T12:28:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:ZMXMCJ4DKUZSULQ3AVVAFH4V2U","target":"record","payload":{"canonical_record":{"source":{"id":"1309.5853","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-09-23T15:40:40Z","cross_cats_sorted":[],"title_canon_sha256":"1b751be2724d7ea6a6a4282211f4030ff0918c2c3dfdb36c6c754f775bf118fb","abstract_canon_sha256":"a85e54d6a6cb8bbc6dd138b7c9db3563dcab502b30be47b0c3ab5027aa325fb8"},"schema_version":"1.0"},"canonical_sha256":"cb2ec1278355332a2e1b056a029f95d50a0e15c30511b5f8f23ff58c73b5b7d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:34.156384Z","signature_b64":"DxzvdsJ3HkuhbsU47fkBWJV1tz8WpnlgqymURlPQvEj4eNSP3b5Wseu67ATm/kWgPwAR+vSoHeGuuzZb6dXvDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb2ec1278355332a2e1b056a029f95d50a0e15c30511b5f8f23ff58c73b5b7d5","last_reissued_at":"2026-05-18T01:47:34.155550Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:34.155550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.5853","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":"2026-05-18T01:47:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TPEmDx2GmreCPvE1sG+hRqd3020G36Fw1F4G4p46xnko/LNMKAR7XTiskwIRtLn+4xyhlGt2CfK2LzgBJGWBAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T20:49:55.539577Z"},"content_sha256":"3bf96eaad8fb28f9982d8fc256a835f070d8052498aaf5a8a60f14fccf945725","schema_version":"1.0","event_id":"sha256:3bf96eaad8fb28f9982d8fc256a835f070d8052498aaf5a8a60f14fccf945725"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:ZMXMCJ4DKUZSULQ3AVVAFH4V2U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First use of synoptic vector magnetograms for global nonlinear force free coronal magnetic field models","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alexei A. Pevtsov, P. MacNeice, S. Gosain, Tilaye Tadesse, T. Wiegelmann","submitted_at":"2013-09-23T15:40:40Z","abstract_excerpt":"The magnetic field permeating the solar atmosphere is generally thought to provide the energy for much of the activity seen in the solar corona, such as flares, coronal mass ejections (CMEs), etc. To overcome the unavailability of coronal magnetic field measurements, photospheric magnetic field vector data can be used to reconstruct the coronal field. Currently there are several modelling techniques being used to calculate three-dimension of the field lines into the solar atmosphere. For the first time, synoptic maps of photospheric vector magnetic field synthesized from Vector Spectromagnetog"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.5853","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":"2026-05-18T01:47:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xX1t1rjV1zjNPaSun1/qNFlKijbCYCzonVE5df3usd6CdRCWzGMdNWiFdmRMT1io8+ddri3iC05SzEqMZvK7Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T20:49:55.539973Z"},"content_sha256":"d155cc592559a0516a63b0ae1bbebce34a39ee982353c091800c9554520960ed","schema_version":"1.0","event_id":"sha256:d155cc592559a0516a63b0ae1bbebce34a39ee982353c091800c9554520960ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZMXMCJ4DKUZSULQ3AVVAFH4V2U/bundle.json","state_url":"https://pith.science/pith/ZMXMCJ4DKUZSULQ3AVVAFH4V2U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZMXMCJ4DKUZSULQ3AVVAFH4V2U/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":"2026-06-02T20:49:55Z","links":{"resolver":"https://pith.science/pith/ZMXMCJ4DKUZSULQ3AVVAFH4V2U","bundle":"https://pith.science/pith/ZMXMCJ4DKUZSULQ3AVVAFH4V2U/bundle.json","state":"https://pith.science/pith/ZMXMCJ4DKUZSULQ3AVVAFH4V2U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZMXMCJ4DKUZSULQ3AVVAFH4V2U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:ZMXMCJ4DKUZSULQ3AVVAFH4V2U","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":"a85e54d6a6cb8bbc6dd138b7c9db3563dcab502b30be47b0c3ab5027aa325fb8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-09-23T15:40:40Z","title_canon_sha256":"1b751be2724d7ea6a6a4282211f4030ff0918c2c3dfdb36c6c754f775bf118fb"},"schema_version":"1.0","source":{"id":"1309.5853","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.5853","created_at":"2026-05-18T01:47:34Z"},{"alias_kind":"arxiv_version","alias_value":"1309.5853v1","created_at":"2026-05-18T01:47:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.5853","created_at":"2026-05-18T01:47:34Z"},{"alias_kind":"pith_short_12","alias_value":"ZMXMCJ4DKUZS","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"ZMXMCJ4DKUZSULQ3","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"ZMXMCJ4D","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:d155cc592559a0516a63b0ae1bbebce34a39ee982353c091800c9554520960ed","target":"graph","created_at":"2026-05-18T01:47:34Z","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 magnetic field permeating the solar atmosphere is generally thought to provide the energy for much of the activity seen in the solar corona, such as flares, coronal mass ejections (CMEs), etc. To overcome the unavailability of coronal magnetic field measurements, photospheric magnetic field vector data can be used to reconstruct the coronal field. Currently there are several modelling techniques being used to calculate three-dimension of the field lines into the solar atmosphere. For the first time, synoptic maps of photospheric vector magnetic field synthesized from Vector Spectromagnetog","authors_text":"Alexei A. Pevtsov, P. MacNeice, S. Gosain, Tilaye Tadesse, T. Wiegelmann","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-09-23T15:40:40Z","title":"First use of synoptic vector magnetograms for global nonlinear force free coronal magnetic field models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.5853","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":"sha256:3bf96eaad8fb28f9982d8fc256a835f070d8052498aaf5a8a60f14fccf945725","target":"record","created_at":"2026-05-18T01:47:34Z","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":"a85e54d6a6cb8bbc6dd138b7c9db3563dcab502b30be47b0c3ab5027aa325fb8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-09-23T15:40:40Z","title_canon_sha256":"1b751be2724d7ea6a6a4282211f4030ff0918c2c3dfdb36c6c754f775bf118fb"},"schema_version":"1.0","source":{"id":"1309.5853","kind":"arxiv","version":1}},"canonical_sha256":"cb2ec1278355332a2e1b056a029f95d50a0e15c30511b5f8f23ff58c73b5b7d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cb2ec1278355332a2e1b056a029f95d50a0e15c30511b5f8f23ff58c73b5b7d5","first_computed_at":"2026-05-18T01:47:34.155550Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:34.155550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DxzvdsJ3HkuhbsU47fkBWJV1tz8WpnlgqymURlPQvEj4eNSP3b5Wseu67ATm/kWgPwAR+vSoHeGuuzZb6dXvDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:34.156384Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.5853","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3bf96eaad8fb28f9982d8fc256a835f070d8052498aaf5a8a60f14fccf945725","sha256:d155cc592559a0516a63b0ae1bbebce34a39ee982353c091800c9554520960ed"],"state_sha256":"1cf808e4edf0996f6090c78b70d1125d17612a3ea2edbb5219173eabce047bb6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kRvWijU8oYRJFd2U3wIgg2FPclDRKyLsx5aBGK5KP/K1ot6EUXOEfYICFDFr9lgYvxx828Ssgrv6ISAxrnHQCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T20:49:55.542351Z","bundle_sha256":"3d5d86bbecac6ab531f7186021c32c4da0496886c45bdf1c02ecee5c025d448b"}}