{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:LHYXD3XBELWEOH5G3NCH65C7DY","short_pith_number":"pith:LHYXD3XB","canonical_record":{"source":{"id":"2406.02083","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-06-04T08:06:17Z","cross_cats_sorted":[],"title_canon_sha256":"e056de7fe877e014ce385150c021fbd5a5a7a0b810c9d1c2fa8f73219bd5c6b2","abstract_canon_sha256":"d402f7479ca1154cb9c99946fd86e728d30afa29326e9d039ddc007d7c39f3ca"},"schema_version":"1.0"},"canonical_sha256":"59f171eee122ec471fa6db447f745f1e019676bfc48124f97f16cb5829cc60a5","source":{"kind":"arxiv","id":"2406.02083","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.02083","created_at":"2026-07-05T08:51:17Z"},{"alias_kind":"arxiv_version","alias_value":"2406.02083v1","created_at":"2026-07-05T08:51:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.02083","created_at":"2026-07-05T08:51:17Z"},{"alias_kind":"pith_short_12","alias_value":"LHYXD3XBELWE","created_at":"2026-07-05T08:51:17Z"},{"alias_kind":"pith_short_16","alias_value":"LHYXD3XBELWEOH5G","created_at":"2026-07-05T08:51:17Z"},{"alias_kind":"pith_short_8","alias_value":"LHYXD3XB","created_at":"2026-07-05T08:51:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:LHYXD3XBELWEOH5G3NCH65C7DY","target":"record","payload":{"canonical_record":{"source":{"id":"2406.02083","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-06-04T08:06:17Z","cross_cats_sorted":[],"title_canon_sha256":"e056de7fe877e014ce385150c021fbd5a5a7a0b810c9d1c2fa8f73219bd5c6b2","abstract_canon_sha256":"d402f7479ca1154cb9c99946fd86e728d30afa29326e9d039ddc007d7c39f3ca"},"schema_version":"1.0"},"canonical_sha256":"59f171eee122ec471fa6db447f745f1e019676bfc48124f97f16cb5829cc60a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:51:17.783148Z","signature_b64":"za9T4pKvhGWIf/y8eviIdIf5j7QA/+6c/oaOwfxHTtCCe6rXKV16Q9bmC8/FQC5SDbJ2yziQVt+fL9eyISFeBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"59f171eee122ec471fa6db447f745f1e019676bfc48124f97f16cb5829cc60a5","last_reissued_at":"2026-07-05T08:51:17.782656Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:51:17.782656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.02083","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":"2026-07-05T08:51:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zPzGDq5cCBMWEJKZnWbUFlTyM5z+8WANG5yr6HERvFlS40RnDxTfeOijSlJEiSbPE7P6WNAjyaEJ3fcnVoLkCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T10:53:07.933277Z"},"content_sha256":"93f3f5824d1b162e87ec6a2d1868b905e4cde191035d39f07b3bd9c2c1e1b5ff","schema_version":"1.0","event_id":"sha256:93f3f5824d1b162e87ec6a2d1868b905e4cde191035d39f07b3bd9c2c1e1b5ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:LHYXD3XBELWEOH5G3NCH65C7DY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simultaneous spectropolarimetric observations in the H$\\alpha$ and Ca II 8662 {\\AA} lines of an active region","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Harsh Mathur, Jayant Joshi, K. Nagaraju, Rahul Yadav","submitted_at":"2024-06-04T08:06:17Z","abstract_excerpt":"We present spectropolarimetric observations of an active region recorded simultaneously in the H$\\alpha$ Ca II 8662 {\\AA} lines. The sunspot exhibits multiple structures, including a lightbridge and a region where Ca II 8662 {\\AA} line core is in emission. Correspondingly, the H$\\alpha$ line core image displays brightening in the emission region, with the spectral profiles showing elevated line cores. The stratification of the line-of-sight magnetic field is inferred through non-LTE multiline inversions of the Ca II 8662 {\\AA} line and the weak field approximation over the H$\\alpha$ line. The "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.02083","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2406.02083/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:51:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n2cP2jc3asX/mUF/OUE3xKJp8Kr6u2tvM1I4Ezf3UQ0kr6hrpvONLmy/vGBla0R9agW1qpKhh3hfeKJvx4bPDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T10:53:07.933790Z"},"content_sha256":"8c2f993938c5ada72b3e62cdbd6ea886c03a112dbddaf797749250356a2b4e0b","schema_version":"1.0","event_id":"sha256:8c2f993938c5ada72b3e62cdbd6ea886c03a112dbddaf797749250356a2b4e0b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LHYXD3XBELWEOH5G3NCH65C7DY/bundle.json","state_url":"https://pith.science/pith/LHYXD3XBELWEOH5G3NCH65C7DY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LHYXD3XBELWEOH5G3NCH65C7DY/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":"2026-08-10T10:53:07Z","links":{"resolver":"https://pith.science/pith/LHYXD3XBELWEOH5G3NCH65C7DY","bundle":"https://pith.science/pith/LHYXD3XBELWEOH5G3NCH65C7DY/bundle.json","state":"https://pith.science/pith/LHYXD3XBELWEOH5G3NCH65C7DY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LHYXD3XBELWEOH5G3NCH65C7DY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:LHYXD3XBELWEOH5G3NCH65C7DY","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":"d402f7479ca1154cb9c99946fd86e728d30afa29326e9d039ddc007d7c39f3ca","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-06-04T08:06:17Z","title_canon_sha256":"e056de7fe877e014ce385150c021fbd5a5a7a0b810c9d1c2fa8f73219bd5c6b2"},"schema_version":"1.0","source":{"id":"2406.02083","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.02083","created_at":"2026-07-05T08:51:17Z"},{"alias_kind":"arxiv_version","alias_value":"2406.02083v1","created_at":"2026-07-05T08:51:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.02083","created_at":"2026-07-05T08:51:17Z"},{"alias_kind":"pith_short_12","alias_value":"LHYXD3XBELWE","created_at":"2026-07-05T08:51:17Z"},{"alias_kind":"pith_short_16","alias_value":"LHYXD3XBELWEOH5G","created_at":"2026-07-05T08:51:17Z"},{"alias_kind":"pith_short_8","alias_value":"LHYXD3XB","created_at":"2026-07-05T08:51:17Z"}],"graph_snapshots":[{"event_id":"sha256:8c2f993938c5ada72b3e62cdbd6ea886c03a112dbddaf797749250356a2b4e0b","target":"graph","created_at":"2026-07-05T08:51:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2406.02083/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present spectropolarimetric observations of an active region recorded simultaneously in the H$\\alpha$ Ca II 8662 {\\AA} lines. The sunspot exhibits multiple structures, including a lightbridge and a region where Ca II 8662 {\\AA} line core is in emission. Correspondingly, the H$\\alpha$ line core image displays brightening in the emission region, with the spectral profiles showing elevated line cores. The stratification of the line-of-sight magnetic field is inferred through non-LTE multiline inversions of the Ca II 8662 {\\AA} line and the weak field approximation over the H$\\alpha$ line. The ","authors_text":"Harsh Mathur, Jayant Joshi, K. Nagaraju, Rahul Yadav","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-06-04T08:06:17Z","title":"Simultaneous spectropolarimetric observations in the H$\\alpha$ and Ca II 8662 {\\AA} lines of an active region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.02083","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":"sha256:93f3f5824d1b162e87ec6a2d1868b905e4cde191035d39f07b3bd9c2c1e1b5ff","target":"record","created_at":"2026-07-05T08:51:17Z","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":"d402f7479ca1154cb9c99946fd86e728d30afa29326e9d039ddc007d7c39f3ca","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-06-04T08:06:17Z","title_canon_sha256":"e056de7fe877e014ce385150c021fbd5a5a7a0b810c9d1c2fa8f73219bd5c6b2"},"schema_version":"1.0","source":{"id":"2406.02083","kind":"arxiv","version":1}},"canonical_sha256":"59f171eee122ec471fa6db447f745f1e019676bfc48124f97f16cb5829cc60a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"59f171eee122ec471fa6db447f745f1e019676bfc48124f97f16cb5829cc60a5","first_computed_at":"2026-07-05T08:51:17.782656Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:51:17.782656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"za9T4pKvhGWIf/y8eviIdIf5j7QA/+6c/oaOwfxHTtCCe6rXKV16Q9bmC8/FQC5SDbJ2yziQVt+fL9eyISFeBA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:51:17.783148Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.02083","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93f3f5824d1b162e87ec6a2d1868b905e4cde191035d39f07b3bd9c2c1e1b5ff","sha256:8c2f993938c5ada72b3e62cdbd6ea886c03a112dbddaf797749250356a2b4e0b"],"state_sha256":"7430e04a774f72372c46b1837f7156b0e50d5d5790da5963bdf24a195171cc0a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5rwNmrbY21z/F9+O+zA84xYBrdLrtMKgqYh3BZXHW39vSQp8ILXdb8dFaA76K+ErF8GJysLEo9F28GhY2yi/DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T10:53:07.937751Z","bundle_sha256":"2f382c6f77b19cc585eac01a6bfde6e86ef55d20949aff6c3d6ae1409de6e2a5"}}