{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:OG7QG2JM3O43YEZ25XYZNS4TDD","short_pith_number":"pith:OG7QG2JM","canonical_record":{"source":{"id":"1501.01151","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-01-06T11:33:50Z","cross_cats_sorted":[],"title_canon_sha256":"0afece6b613f7ba3ec2d609870e14837715e185208682b53f88d455fe8c6c8e8","abstract_canon_sha256":"5b6114491729a9174f4fca766be79d83ff95df4090da32c29bcf217b1a01e479"},"schema_version":"1.0"},"canonical_sha256":"71bf03692cdbb9bc133aedf196cb9318dbf9879fc743f6ae898865beb5a69907","source":{"kind":"arxiv","id":"1501.01151","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.01151","created_at":"2026-05-18T02:20:30Z"},{"alias_kind":"arxiv_version","alias_value":"1501.01151v1","created_at":"2026-05-18T02:20:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.01151","created_at":"2026-05-18T02:20:30Z"},{"alias_kind":"pith_short_12","alias_value":"OG7QG2JM3O43","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OG7QG2JM3O43YEZ2","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OG7QG2JM","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:OG7QG2JM3O43YEZ25XYZNS4TDD","target":"record","payload":{"canonical_record":{"source":{"id":"1501.01151","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-01-06T11:33:50Z","cross_cats_sorted":[],"title_canon_sha256":"0afece6b613f7ba3ec2d609870e14837715e185208682b53f88d455fe8c6c8e8","abstract_canon_sha256":"5b6114491729a9174f4fca766be79d83ff95df4090da32c29bcf217b1a01e479"},"schema_version":"1.0"},"canonical_sha256":"71bf03692cdbb9bc133aedf196cb9318dbf9879fc743f6ae898865beb5a69907","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:20:30.320017Z","signature_b64":"sNomo5TERSLxXPWlkgHyDgwA+HQEzv4JZ489Po3nCpFbSjXIjOYW77dqyYKfydiQN4hSFxmoXQCXB+yZ39cQAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"71bf03692cdbb9bc133aedf196cb9318dbf9879fc743f6ae898865beb5a69907","last_reissued_at":"2026-05-18T02:20:30.319653Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:20:30.319653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.01151","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":"2026-05-18T02:20:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wJ8h4o0mKvjA9C8L6rGpufnKMwUDTKhlawGqplmMNpe4pRvY4+i+88eoPp9Tnn8V7U+fAZhdfTILN5Dq2cKyAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:59:30.551353Z"},"content_sha256":"dbc828b973bb222e4c250a322c2dbe2945bf23df13609ebf1066ab0719f05eab","schema_version":"1.0","event_id":"sha256:dbc828b973bb222e4c250a322c2dbe2945bf23df13609ebf1066ab0719f05eab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:OG7QG2JM3O43YEZ25XYZNS4TDD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Properties of solar plage from a spatially coupled inversion of Hinode SP data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Lagg, D. Buehler, M. van Noort, S.K. Solanki","submitted_at":"2015-01-06T11:33:50Z","abstract_excerpt":"The properties of magnetic fields forming an extended plage region in AR 10953 were investigated. Stokes spectra of the Fe I line pair at 6302 \\AA recorded by the spectropolarimeter aboard the Hinode satellite were inverted using the SPINOR code. The code performed a 2D spatially coupled inversion on the Stokes spectra, allowing the retrieval of gradients in optical depth within the atmosphere of each pixel, whilst accounting for the effects of the instrument's PSF. Consequently, no magnetic filling factor was needed. The inversion results reveal that plage is composed of magnetic flux concent"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.01151","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":"2026-05-18T02:20:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J2GYk/znPX0wZs0NyGCO+Bost4BfvGsnLb3ioGNQ88iyLbknQocR9xn08RjzoPucGLrcpCNAFI1/D7gElmEeCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:59:30.552015Z"},"content_sha256":"24a7aa97499fcc5b803ee8de645a33cd61a9a8dbbea8db836cafe6c769be6043","schema_version":"1.0","event_id":"sha256:24a7aa97499fcc5b803ee8de645a33cd61a9a8dbbea8db836cafe6c769be6043"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OG7QG2JM3O43YEZ25XYZNS4TDD/bundle.json","state_url":"https://pith.science/pith/OG7QG2JM3O43YEZ25XYZNS4TDD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OG7QG2JM3O43YEZ25XYZNS4TDD/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":"2026-05-27T08:59:30Z","links":{"resolver":"https://pith.science/pith/OG7QG2JM3O43YEZ25XYZNS4TDD","bundle":"https://pith.science/pith/OG7QG2JM3O43YEZ25XYZNS4TDD/bundle.json","state":"https://pith.science/pith/OG7QG2JM3O43YEZ25XYZNS4TDD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OG7QG2JM3O43YEZ25XYZNS4TDD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:OG7QG2JM3O43YEZ25XYZNS4TDD","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":"5b6114491729a9174f4fca766be79d83ff95df4090da32c29bcf217b1a01e479","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-01-06T11:33:50Z","title_canon_sha256":"0afece6b613f7ba3ec2d609870e14837715e185208682b53f88d455fe8c6c8e8"},"schema_version":"1.0","source":{"id":"1501.01151","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.01151","created_at":"2026-05-18T02:20:30Z"},{"alias_kind":"arxiv_version","alias_value":"1501.01151v1","created_at":"2026-05-18T02:20:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.01151","created_at":"2026-05-18T02:20:30Z"},{"alias_kind":"pith_short_12","alias_value":"OG7QG2JM3O43","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OG7QG2JM3O43YEZ2","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OG7QG2JM","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:24a7aa97499fcc5b803ee8de645a33cd61a9a8dbbea8db836cafe6c769be6043","target":"graph","created_at":"2026-05-18T02:20:30Z","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 properties of magnetic fields forming an extended plage region in AR 10953 were investigated. Stokes spectra of the Fe I line pair at 6302 \\AA recorded by the spectropolarimeter aboard the Hinode satellite were inverted using the SPINOR code. The code performed a 2D spatially coupled inversion on the Stokes spectra, allowing the retrieval of gradients in optical depth within the atmosphere of each pixel, whilst accounting for the effects of the instrument's PSF. Consequently, no magnetic filling factor was needed. The inversion results reveal that plage is composed of magnetic flux concent","authors_text":"A. Lagg, D. Buehler, M. van Noort, S.K. Solanki","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-01-06T11:33:50Z","title":"Properties of solar plage from a spatially coupled inversion of Hinode SP data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.01151","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:dbc828b973bb222e4c250a322c2dbe2945bf23df13609ebf1066ab0719f05eab","target":"record","created_at":"2026-05-18T02:20:30Z","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":"5b6114491729a9174f4fca766be79d83ff95df4090da32c29bcf217b1a01e479","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-01-06T11:33:50Z","title_canon_sha256":"0afece6b613f7ba3ec2d609870e14837715e185208682b53f88d455fe8c6c8e8"},"schema_version":"1.0","source":{"id":"1501.01151","kind":"arxiv","version":1}},"canonical_sha256":"71bf03692cdbb9bc133aedf196cb9318dbf9879fc743f6ae898865beb5a69907","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"71bf03692cdbb9bc133aedf196cb9318dbf9879fc743f6ae898865beb5a69907","first_computed_at":"2026-05-18T02:20:30.319653Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:20:30.319653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sNomo5TERSLxXPWlkgHyDgwA+HQEzv4JZ489Po3nCpFbSjXIjOYW77dqyYKfydiQN4hSFxmoXQCXB+yZ39cQAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:20:30.320017Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.01151","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbc828b973bb222e4c250a322c2dbe2945bf23df13609ebf1066ab0719f05eab","sha256:24a7aa97499fcc5b803ee8de645a33cd61a9a8dbbea8db836cafe6c769be6043"],"state_sha256":"0ac650325f785829819f7986c941a26584bd6667b41bdb9b2b23e0fa8aa9155d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7pwHwwlE1KjFijcqkdSgAZ6SpOqw9ReXTUyW6LA359s/LFWYGrSWCAabbnn1M3r8jsKaQQZvs8PpOdq/BRUEDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T08:59:30.555752Z","bundle_sha256":"f1b45d7908bda83f950a00b806bb0c71d880701faa9d0e9c105c0f3d66cf726e"}}