{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:IGYKYUPM2643LL7JEWDGNXIJEU","short_pith_number":"pith:IGYKYUPM","canonical_record":{"source":{"id":"1104.5468","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"astro-ph.SR","submitted_at":"2011-04-28T18:52:47Z","cross_cats_sorted":[],"title_canon_sha256":"86cd83bb172590e1512930d59608ba201d0c8805e1971204979d14d9a7b84b78","abstract_canon_sha256":"36c9fff301dadd24b9c19cc9fbcf66b5e359eb69e2a34bd136918c88b33d97f4"},"schema_version":"1.0"},"canonical_sha256":"41b0ac51ecd7b9b5afe9258666dd0925232e34e898fb08b625b9ab2f04bb1ec1","source":{"kind":"arxiv","id":"1104.5468","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.5468","created_at":"2026-05-18T02:02:13Z"},{"alias_kind":"arxiv_version","alias_value":"1104.5468v1","created_at":"2026-05-18T02:02:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.5468","created_at":"2026-05-18T02:02:13Z"},{"alias_kind":"pith_short_12","alias_value":"IGYKYUPM2643","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"IGYKYUPM2643LL7J","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"IGYKYUPM","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:IGYKYUPM2643LL7JEWDGNXIJEU","target":"record","payload":{"canonical_record":{"source":{"id":"1104.5468","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"astro-ph.SR","submitted_at":"2011-04-28T18:52:47Z","cross_cats_sorted":[],"title_canon_sha256":"86cd83bb172590e1512930d59608ba201d0c8805e1971204979d14d9a7b84b78","abstract_canon_sha256":"36c9fff301dadd24b9c19cc9fbcf66b5e359eb69e2a34bd136918c88b33d97f4"},"schema_version":"1.0"},"canonical_sha256":"41b0ac51ecd7b9b5afe9258666dd0925232e34e898fb08b625b9ab2f04bb1ec1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:13.382288Z","signature_b64":"aJUq9MgxpxUrL6aGgXJk94OFxDKVFaFdoFJKkrqqqdlgAmeqHhCUW/Jm1yFDlNw9sxQgu8UMAKrzbPPHyKGbBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41b0ac51ecd7b9b5afe9258666dd0925232e34e898fb08b625b9ab2f04bb1ec1","last_reissued_at":"2026-05-18T02:02:13.381705Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:13.381705Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.5468","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":"2026-05-18T02:02:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n60Sfig2WYyyLUJckZ9Ooda2buYkLLIfFqNOWTMbjHMBubB2A6uW87FPHnd3OoaAMkPy2KladZEUjc3z+Q1WAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:09:05.118227Z"},"content_sha256":"a59699decbb3f091afa02820080362fefa3dcc4335791f1ab2a24532b9e1e05b","schema_version":"1.0","event_id":"sha256:a59699decbb3f091afa02820080362fefa3dcc4335791f1ab2a24532b9e1e05b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:IGYKYUPM2643LL7JEWDGNXIJEU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transition Region Emission from Solar Flares during the Impulsive Phase","license":"http://creativecommons.org/licenses/publicdomain/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Ciaravella, H. Johnson, J.C. Raymond, N.A. Murphy, R. Suleiman, S. Giordano, Y.-K. Ko","submitted_at":"2011-04-28T18:52:47Z","abstract_excerpt":"There are relatively few observations of UV emission during the impulsive phases of solar flares, so the nature of that emission is poorly known. Photons produced by solar flares can resonantly scatter off atoms and ions in the corona. Based on off-limb measurements by SOHO/UVCS, we derive the O VI $\\lambda$1032 luminosities for 29 flares during the impulsive phase and the Ly$\\alpha$ luminosities of 5 flares, and we compare them with X-ray luminosities from GOES measurements. The upper transition region and lower transition region luminosities of the events observed are comparable. They are al"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.5468","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":"2026-05-18T02:02:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q2+rnwQYc21K4xK1o51odwOdj2IH/LGjCU77+6XT1UoFmg1kCkL9qEGh3Uaib7T9PzZ0gppplrFD40s41QdxBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:09:05.118597Z"},"content_sha256":"a0762c46b94245cfe601553eb22c3710200b1ce81df3115afe0a6a6d01aaee06","schema_version":"1.0","event_id":"sha256:a0762c46b94245cfe601553eb22c3710200b1ce81df3115afe0a6a6d01aaee06"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IGYKYUPM2643LL7JEWDGNXIJEU/bundle.json","state_url":"https://pith.science/pith/IGYKYUPM2643LL7JEWDGNXIJEU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IGYKYUPM2643LL7JEWDGNXIJEU/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":"2026-06-02T05:09:05Z","links":{"resolver":"https://pith.science/pith/IGYKYUPM2643LL7JEWDGNXIJEU","bundle":"https://pith.science/pith/IGYKYUPM2643LL7JEWDGNXIJEU/bundle.json","state":"https://pith.science/pith/IGYKYUPM2643LL7JEWDGNXIJEU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IGYKYUPM2643LL7JEWDGNXIJEU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:IGYKYUPM2643LL7JEWDGNXIJEU","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":"36c9fff301dadd24b9c19cc9fbcf66b5e359eb69e2a34bd136918c88b33d97f4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"astro-ph.SR","submitted_at":"2011-04-28T18:52:47Z","title_canon_sha256":"86cd83bb172590e1512930d59608ba201d0c8805e1971204979d14d9a7b84b78"},"schema_version":"1.0","source":{"id":"1104.5468","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.5468","created_at":"2026-05-18T02:02:13Z"},{"alias_kind":"arxiv_version","alias_value":"1104.5468v1","created_at":"2026-05-18T02:02:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.5468","created_at":"2026-05-18T02:02:13Z"},{"alias_kind":"pith_short_12","alias_value":"IGYKYUPM2643","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"IGYKYUPM2643LL7J","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"IGYKYUPM","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:a0762c46b94245cfe601553eb22c3710200b1ce81df3115afe0a6a6d01aaee06","target":"graph","created_at":"2026-05-18T02:02:13Z","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":"There are relatively few observations of UV emission during the impulsive phases of solar flares, so the nature of that emission is poorly known. Photons produced by solar flares can resonantly scatter off atoms and ions in the corona. Based on off-limb measurements by SOHO/UVCS, we derive the O VI $\\lambda$1032 luminosities for 29 flares during the impulsive phase and the Ly$\\alpha$ luminosities of 5 flares, and we compare them with X-ray luminosities from GOES measurements. The upper transition region and lower transition region luminosities of the events observed are comparable. They are al","authors_text":"A. Ciaravella, H. Johnson, J.C. Raymond, N.A. Murphy, R. Suleiman, S. Giordano, Y.-K. Ko","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"astro-ph.SR","submitted_at":"2011-04-28T18:52:47Z","title":"Transition Region Emission from Solar Flares during the Impulsive Phase"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.5468","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:a59699decbb3f091afa02820080362fefa3dcc4335791f1ab2a24532b9e1e05b","target":"record","created_at":"2026-05-18T02:02:13Z","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":"36c9fff301dadd24b9c19cc9fbcf66b5e359eb69e2a34bd136918c88b33d97f4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"astro-ph.SR","submitted_at":"2011-04-28T18:52:47Z","title_canon_sha256":"86cd83bb172590e1512930d59608ba201d0c8805e1971204979d14d9a7b84b78"},"schema_version":"1.0","source":{"id":"1104.5468","kind":"arxiv","version":1}},"canonical_sha256":"41b0ac51ecd7b9b5afe9258666dd0925232e34e898fb08b625b9ab2f04bb1ec1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"41b0ac51ecd7b9b5afe9258666dd0925232e34e898fb08b625b9ab2f04bb1ec1","first_computed_at":"2026-05-18T02:02:13.381705Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:13.381705Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aJUq9MgxpxUrL6aGgXJk94OFxDKVFaFdoFJKkrqqqdlgAmeqHhCUW/Jm1yFDlNw9sxQgu8UMAKrzbPPHyKGbBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:13.382288Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.5468","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a59699decbb3f091afa02820080362fefa3dcc4335791f1ab2a24532b9e1e05b","sha256:a0762c46b94245cfe601553eb22c3710200b1ce81df3115afe0a6a6d01aaee06"],"state_sha256":"9762ab13b81643edef7ec7898d0fc5a07a88768b43e6b9ffc17ad8614683e25e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PV00LfRrn0hPwldKf5yrXCHmvmZtoW2oNgRSiqX9SdRSFN/InHiTpzPucF9bT+1rQWjse/RsDRxJhDZxwfnHBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T05:09:05.120496Z","bundle_sha256":"a60898be46ff8f716864e9d38767a01a2d7854436cd118e1bdf3fa4422bc327c"}}