{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:MTRFTFXBRNH6GTWVENV5MT537M","short_pith_number":"pith:MTRFTFXB","canonical_record":{"source":{"id":"1804.04089","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-11T16:52:29Z","cross_cats_sorted":[],"title_canon_sha256":"75a9cf3cec517229850d4a28ab3d0eda0f7e629d17145f70bdc63382cb7237a1","abstract_canon_sha256":"a434c0de3e0ba1f296785337f9cf2569a9dfaf33de989c3abc76524dd1cc939c"},"schema_version":"1.0"},"canonical_sha256":"64e25996e18b4fe34ed5236bd64fbbfb25ceb5826b412ea2e34d7b1e4da03b87","source":{"kind":"arxiv","id":"1804.04089","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.04089","created_at":"2026-05-18T00:18:42Z"},{"alias_kind":"arxiv_version","alias_value":"1804.04089v1","created_at":"2026-05-18T00:18:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.04089","created_at":"2026-05-18T00:18:42Z"},{"alias_kind":"pith_short_12","alias_value":"MTRFTFXBRNH6","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"MTRFTFXBRNH6GTWV","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"MTRFTFXB","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:MTRFTFXBRNH6GTWVENV5MT537M","target":"record","payload":{"canonical_record":{"source":{"id":"1804.04089","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-11T16:52:29Z","cross_cats_sorted":[],"title_canon_sha256":"75a9cf3cec517229850d4a28ab3d0eda0f7e629d17145f70bdc63382cb7237a1","abstract_canon_sha256":"a434c0de3e0ba1f296785337f9cf2569a9dfaf33de989c3abc76524dd1cc939c"},"schema_version":"1.0"},"canonical_sha256":"64e25996e18b4fe34ed5236bd64fbbfb25ceb5826b412ea2e34d7b1e4da03b87","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:42.135442Z","signature_b64":"D6SRCNc+f/yWEZAjt8UODFp61aTsRP3HfEtAWKt4guuRW1Dg/CSKc+exByCKs832eodObQ5zGW3nVtHx8kK4Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64e25996e18b4fe34ed5236bd64fbbfb25ceb5826b412ea2e34d7b1e4da03b87","last_reissued_at":"2026-05-18T00:18:42.134856Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:42.134856Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.04089","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":"2026-05-18T00:18:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RZe4sWrMf/CbPnK8EyZmef8+3Z5O57RcRqd/SfSZqEjSF+p6/entguiQ4xpPAcfzMMVJzXRpfHNqJCvMDpLTBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T04:03:17.266238Z"},"content_sha256":"ddd009791fe06788b8bea27eb95c9fdf4f37ded198b8074102a2524ee0c95b13","schema_version":"1.0","event_id":"sha256:ddd009791fe06788b8bea27eb95c9fdf4f37ded198b8074102a2524ee0c95b13"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:MTRFTFXBRNH6GTWVENV5MT537M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coronal electron density, temperature and solar spectral irradiance during the solar cycle 23 and 24","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Dal Lago, J.M Rodr\\'iguez G\\'omez, J. Palacios, L. Vieira","submitted_at":"2018-04-11T16:52:29Z","abstract_excerpt":"The plasma parameters such as the electron density and temperature plays a key role in the dynamics of the solar atmosphere. These characteristics are important in solar physics, because they can help to understand the physics in the solar corona. The goal is to reconstruct the electron density and temperature distributions in the solar corona. The relations between emission and plasma parameters in different time scales are studied. We present a physics-based model to reconstruct the density, temperature and emission in the EUV band. This model called CODET is composed of a flux transport mod"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04089","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":"2026-05-18T00:18:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zbkWC5CchLBxyMdHr3xCGnofVmffyeDxBo2JdJL41iycdKxU6K8elGr3ZeNSVAwE53Oyn2C1mMsM2+p8BYrvAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T04:03:17.267036Z"},"content_sha256":"d3cd9b8e43a5df40677ac422f6d3f6aabd61f1a9546f070659950cba4d8879d0","schema_version":"1.0","event_id":"sha256:d3cd9b8e43a5df40677ac422f6d3f6aabd61f1a9546f070659950cba4d8879d0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MTRFTFXBRNH6GTWVENV5MT537M/bundle.json","state_url":"https://pith.science/pith/MTRFTFXBRNH6GTWVENV5MT537M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MTRFTFXBRNH6GTWVENV5MT537M/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":"2026-05-26T04:03:17Z","links":{"resolver":"https://pith.science/pith/MTRFTFXBRNH6GTWVENV5MT537M","bundle":"https://pith.science/pith/MTRFTFXBRNH6GTWVENV5MT537M/bundle.json","state":"https://pith.science/pith/MTRFTFXBRNH6GTWVENV5MT537M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MTRFTFXBRNH6GTWVENV5MT537M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:MTRFTFXBRNH6GTWVENV5MT537M","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":"a434c0de3e0ba1f296785337f9cf2569a9dfaf33de989c3abc76524dd1cc939c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-11T16:52:29Z","title_canon_sha256":"75a9cf3cec517229850d4a28ab3d0eda0f7e629d17145f70bdc63382cb7237a1"},"schema_version":"1.0","source":{"id":"1804.04089","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.04089","created_at":"2026-05-18T00:18:42Z"},{"alias_kind":"arxiv_version","alias_value":"1804.04089v1","created_at":"2026-05-18T00:18:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.04089","created_at":"2026-05-18T00:18:42Z"},{"alias_kind":"pith_short_12","alias_value":"MTRFTFXBRNH6","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"MTRFTFXBRNH6GTWV","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"MTRFTFXB","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:d3cd9b8e43a5df40677ac422f6d3f6aabd61f1a9546f070659950cba4d8879d0","target":"graph","created_at":"2026-05-18T00:18:42Z","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 plasma parameters such as the electron density and temperature plays a key role in the dynamics of the solar atmosphere. These characteristics are important in solar physics, because they can help to understand the physics in the solar corona. The goal is to reconstruct the electron density and temperature distributions in the solar corona. The relations between emission and plasma parameters in different time scales are studied. We present a physics-based model to reconstruct the density, temperature and emission in the EUV band. This model called CODET is composed of a flux transport mod","authors_text":"A. Dal Lago, J.M Rodr\\'iguez G\\'omez, J. Palacios, L. Vieira","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-11T16:52:29Z","title":"Coronal electron density, temperature and solar spectral irradiance during the solar cycle 23 and 24"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04089","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:ddd009791fe06788b8bea27eb95c9fdf4f37ded198b8074102a2524ee0c95b13","target":"record","created_at":"2026-05-18T00:18:42Z","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":"a434c0de3e0ba1f296785337f9cf2569a9dfaf33de989c3abc76524dd1cc939c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-11T16:52:29Z","title_canon_sha256":"75a9cf3cec517229850d4a28ab3d0eda0f7e629d17145f70bdc63382cb7237a1"},"schema_version":"1.0","source":{"id":"1804.04089","kind":"arxiv","version":1}},"canonical_sha256":"64e25996e18b4fe34ed5236bd64fbbfb25ceb5826b412ea2e34d7b1e4da03b87","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64e25996e18b4fe34ed5236bd64fbbfb25ceb5826b412ea2e34d7b1e4da03b87","first_computed_at":"2026-05-18T00:18:42.134856Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:18:42.134856Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D6SRCNc+f/yWEZAjt8UODFp61aTsRP3HfEtAWKt4guuRW1Dg/CSKc+exByCKs832eodObQ5zGW3nVtHx8kK4Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:18:42.135442Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.04089","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ddd009791fe06788b8bea27eb95c9fdf4f37ded198b8074102a2524ee0c95b13","sha256:d3cd9b8e43a5df40677ac422f6d3f6aabd61f1a9546f070659950cba4d8879d0"],"state_sha256":"a8ea9efe14e46797ea913ffb9b1b3571825a0ade708068b59c8bf260b0730e48"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZB18Q64wzTKr/M4wtOZ51pRQzLJQ4VG947yqN30bZ/ZHxcsaTruOkO+9D9cE12VmiJ5S2Gi3dG7Dtm52ki5yAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T04:03:17.271543Z","bundle_sha256":"7430b8ca28cab095176ae3a6998545c83cf39a8b2520854d277b90900691dcf6"}}