{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:T7Z32UM6BFZI6DJNQNN4QVZYN3","short_pith_number":"pith:T7Z32UM6","canonical_record":{"source":{"id":"1301.4651","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-20T11:08:55Z","cross_cats_sorted":[],"title_canon_sha256":"ac76b21b9a78af4d51b91c7a40132ae76024ee29bdb0b7346c5d3dfcd46dd619","abstract_canon_sha256":"bc1af498dcf486e08878e785a49d18d8bbe16949026cc1e46296a704405643d8"},"schema_version":"1.0"},"canonical_sha256":"9ff3bd519e09728f0d2d835bc857386edfaa1fdb145fda2cbc2c7e8570435a85","source":{"kind":"arxiv","id":"1301.4651","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.4651","created_at":"2026-05-18T03:35:56Z"},{"alias_kind":"arxiv_version","alias_value":"1301.4651v1","created_at":"2026-05-18T03:35:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.4651","created_at":"2026-05-18T03:35:56Z"},{"alias_kind":"pith_short_12","alias_value":"T7Z32UM6BFZI","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"T7Z32UM6BFZI6DJN","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"T7Z32UM6","created_at":"2026-05-18T12:27:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:T7Z32UM6BFZI6DJNQNN4QVZYN3","target":"record","payload":{"canonical_record":{"source":{"id":"1301.4651","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-20T11:08:55Z","cross_cats_sorted":[],"title_canon_sha256":"ac76b21b9a78af4d51b91c7a40132ae76024ee29bdb0b7346c5d3dfcd46dd619","abstract_canon_sha256":"bc1af498dcf486e08878e785a49d18d8bbe16949026cc1e46296a704405643d8"},"schema_version":"1.0"},"canonical_sha256":"9ff3bd519e09728f0d2d835bc857386edfaa1fdb145fda2cbc2c7e8570435a85","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:35:56.035373Z","signature_b64":"LpFNJXEZG9mIzcMk4pOh7I2b291icuYO88ZmjmlMbiUGihr5ZSWMWikLF7LVD2g1hKLCbqFrGrZn7CBlKvkcBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ff3bd519e09728f0d2d835bc857386edfaa1fdb145fda2cbc2c7e8570435a85","last_reissued_at":"2026-05-18T03:35:56.034783Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:35:56.034783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.4651","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":"2026-05-18T03:35:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dg/nNTJe6fLRby2+VwYZVTVjaJn/xowLbRVhLwCUfLynTBSv1cWwG7lqLEeO1o4ANQeY+CgZYdQrLCYzQ0vGBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:22:37.900551Z"},"content_sha256":"93908f316c18c998ba0ed023e38e9bb315c2351066642093373b4a331fea4686","schema_version":"1.0","event_id":"sha256:93908f316c18c998ba0ed023e38e9bb315c2351066642093373b4a331fea4686"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:T7Z32UM6BFZI6DJNQNN4QVZYN3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reconstructing the Subsurface Three-Dimensional Magnetic Structure of A Solar Active Region Using SDO/HMI Observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Astronomy, Computational Sciences, George Mason University), Georgios Chintzoglou, Jie Zhang (School of Physics","submitted_at":"2013-01-20T11:08:55Z","abstract_excerpt":"A solar active region (AR) is a three-dimensional magnetic structure formed in the convection zone, whose property is fundamentally important for determining the coronal structure and solar activity when emerged. However, our knowledge on the detailed 3-D structure prior to its emergence is rather poor, largely limited by the low cadence and sensitivity of previous instruments. Here, using the 45-second high-cadence observations from the Helioseismic and Magnetic Imager (\\emph{HMI}) onboard the Solar Dynamics Observatory (\\emph{SDO}), we are able for the first time to reconstruct a 3-D datacub"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.4651","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":"2026-05-18T03:35:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OkuBVxsFcDIzScpQt26rYsL49cRN5mJeT7i8lXfH7CFq9I0iSjYNLqTyf2d6j4k/Q2YAro8iulxYXbifaPalBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:22:37.901194Z"},"content_sha256":"4f97d1dec1c310b0e5c3cc46137e69532ce5fc6b1dc2f3fe35d98800f8d85b03","schema_version":"1.0","event_id":"sha256:4f97d1dec1c310b0e5c3cc46137e69532ce5fc6b1dc2f3fe35d98800f8d85b03"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T7Z32UM6BFZI6DJNQNN4QVZYN3/bundle.json","state_url":"https://pith.science/pith/T7Z32UM6BFZI6DJNQNN4QVZYN3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T7Z32UM6BFZI6DJNQNN4QVZYN3/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":"2026-05-30T18:22:37Z","links":{"resolver":"https://pith.science/pith/T7Z32UM6BFZI6DJNQNN4QVZYN3","bundle":"https://pith.science/pith/T7Z32UM6BFZI6DJNQNN4QVZYN3/bundle.json","state":"https://pith.science/pith/T7Z32UM6BFZI6DJNQNN4QVZYN3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T7Z32UM6BFZI6DJNQNN4QVZYN3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:T7Z32UM6BFZI6DJNQNN4QVZYN3","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":"bc1af498dcf486e08878e785a49d18d8bbe16949026cc1e46296a704405643d8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-20T11:08:55Z","title_canon_sha256":"ac76b21b9a78af4d51b91c7a40132ae76024ee29bdb0b7346c5d3dfcd46dd619"},"schema_version":"1.0","source":{"id":"1301.4651","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.4651","created_at":"2026-05-18T03:35:56Z"},{"alias_kind":"arxiv_version","alias_value":"1301.4651v1","created_at":"2026-05-18T03:35:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.4651","created_at":"2026-05-18T03:35:56Z"},{"alias_kind":"pith_short_12","alias_value":"T7Z32UM6BFZI","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"T7Z32UM6BFZI6DJN","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"T7Z32UM6","created_at":"2026-05-18T12:27:59Z"}],"graph_snapshots":[{"event_id":"sha256:4f97d1dec1c310b0e5c3cc46137e69532ce5fc6b1dc2f3fe35d98800f8d85b03","target":"graph","created_at":"2026-05-18T03:35:56Z","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":"A solar active region (AR) is a three-dimensional magnetic structure formed in the convection zone, whose property is fundamentally important for determining the coronal structure and solar activity when emerged. However, our knowledge on the detailed 3-D structure prior to its emergence is rather poor, largely limited by the low cadence and sensitivity of previous instruments. Here, using the 45-second high-cadence observations from the Helioseismic and Magnetic Imager (\\emph{HMI}) onboard the Solar Dynamics Observatory (\\emph{SDO}), we are able for the first time to reconstruct a 3-D datacub","authors_text":"Astronomy, Computational Sciences, George Mason University), Georgios Chintzoglou, Jie Zhang (School of Physics","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-20T11:08:55Z","title":"Reconstructing the Subsurface Three-Dimensional Magnetic Structure of A Solar Active Region Using SDO/HMI Observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.4651","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":"sha256:93908f316c18c998ba0ed023e38e9bb315c2351066642093373b4a331fea4686","target":"record","created_at":"2026-05-18T03:35:56Z","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":"bc1af498dcf486e08878e785a49d18d8bbe16949026cc1e46296a704405643d8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-20T11:08:55Z","title_canon_sha256":"ac76b21b9a78af4d51b91c7a40132ae76024ee29bdb0b7346c5d3dfcd46dd619"},"schema_version":"1.0","source":{"id":"1301.4651","kind":"arxiv","version":1}},"canonical_sha256":"9ff3bd519e09728f0d2d835bc857386edfaa1fdb145fda2cbc2c7e8570435a85","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9ff3bd519e09728f0d2d835bc857386edfaa1fdb145fda2cbc2c7e8570435a85","first_computed_at":"2026-05-18T03:35:56.034783Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:35:56.034783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LpFNJXEZG9mIzcMk4pOh7I2b291icuYO88ZmjmlMbiUGihr5ZSWMWikLF7LVD2g1hKLCbqFrGrZn7CBlKvkcBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:35:56.035373Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.4651","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93908f316c18c998ba0ed023e38e9bb315c2351066642093373b4a331fea4686","sha256:4f97d1dec1c310b0e5c3cc46137e69532ce5fc6b1dc2f3fe35d98800f8d85b03"],"state_sha256":"4355a4a61fb2af1f239832525e4d6f050d9abaf7e094eb3f43201adf8cae460b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"La9jQkBl2Ts/6mGfX5u9R4LMxl0Z6Sy0XuZyiANM+nfXatwWDEzfF9udKOY1m/XS5B9BtItg4oJokW4iestSCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T18:22:37.904088Z","bundle_sha256":"71bb68be96ebde36a814af3bdfaf3640ce283bcfb5e3ccf8020a45dd5ab7e451"}}