{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:EZENBWUSQG5PKB4TV2T7A7KXTG","short_pith_number":"pith:EZENBWUS","canonical_record":{"source":{"id":"1711.07761","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-21T13:07:18Z","cross_cats_sorted":[],"title_canon_sha256":"3ddb0118072e42b5df5503d8f2381d711453e5e6546f6bbc22bd965857566869","abstract_canon_sha256":"4808a6af36f266b1eb5e8d88bcd2d6d443b3a0cfc14a5cb98aa003eef30d0446"},"schema_version":"1.0"},"canonical_sha256":"2648d0da9281baf50793aea7f07d5799beb0f56846f53b16e186a1d9ede1b861","source":{"kind":"arxiv","id":"1711.07761","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.07761","created_at":"2026-05-18T00:27:17Z"},{"alias_kind":"arxiv_version","alias_value":"1711.07761v1","created_at":"2026-05-18T00:27:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.07761","created_at":"2026-05-18T00:27:17Z"},{"alias_kind":"pith_short_12","alias_value":"EZENBWUSQG5P","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EZENBWUSQG5PKB4T","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EZENBWUS","created_at":"2026-05-18T12:31:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:EZENBWUSQG5PKB4TV2T7A7KXTG","target":"record","payload":{"canonical_record":{"source":{"id":"1711.07761","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-21T13:07:18Z","cross_cats_sorted":[],"title_canon_sha256":"3ddb0118072e42b5df5503d8f2381d711453e5e6546f6bbc22bd965857566869","abstract_canon_sha256":"4808a6af36f266b1eb5e8d88bcd2d6d443b3a0cfc14a5cb98aa003eef30d0446"},"schema_version":"1.0"},"canonical_sha256":"2648d0da9281baf50793aea7f07d5799beb0f56846f53b16e186a1d9ede1b861","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:17.721149Z","signature_b64":"8h78Nh3t0Uw5rz+xFueG7SmdGkLvpScPcMz5w/0vomPyKRfFfX2WkXOm0idJJ3u0EVbAatnwGveRdF+K43vHBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2648d0da9281baf50793aea7f07d5799beb0f56846f53b16e186a1d9ede1b861","last_reissued_at":"2026-05-18T00:27:17.720615Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:17.720615Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.07761","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":"2026-05-18T00:27:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nBOBLtUfhVdiUqsQ91RFCONwJPAivFikFmVMoI1xwGgUSn9or95eCVAKhiNeNRq7eukf7/V7+TrhnePLmFJEAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:48:15.941397Z"},"content_sha256":"b3de28d412f6d25b996341c65de30ce86dfbd7ad0f19f8f237974fb994510bf8","schema_version":"1.0","event_id":"sha256:b3de28d412f6d25b996341c65de30ce86dfbd7ad0f19f8f237974fb994510bf8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:EZENBWUSQG5PKB4TV2T7A7KXTG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-ray line coincidence photopumping in a solar flare","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"D. Hynes, D. J. Christian, F. P. Keenan, J. Flowerdew, J. Nilsen, K. Poppenhaeger, M. Mathioudakis, S. J. Rose, W. R. Johnson","submitted_at":"2017-11-21T13:07:18Z","abstract_excerpt":"Line coincidence photopumping is a process where the electrons of an atomic or molecular species are radiatively excited through the absorption of line emission from another species at a coincident wavelength. There are many instances of line coincidence photopumping in astrophysical sources at optical and ultraviolet wavelengths, with the most famous example being Bowen fluorescence (pumping of O III 303.80 A by He II), but none to our knowledge in X-rays. However, here we report on a scheme where a He-like line of Ne IX at 11.000 A is photopumped by He-like Na X at 11.003 A, which predicts s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.07761","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":"2026-05-18T00:27:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aGJKxJ2W8v2b2RB0WFMiiuv7HNIPEuc3PEtd+mBIsP1Lo0NIC8BhGjX1EQ8voVox512VIjCQ1Xsn+8ivLg7rAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:48:15.942058Z"},"content_sha256":"fe4184ff05d6aad2034d22f6bd8fe8aea01119e928debee27e3d3c07769b6870","schema_version":"1.0","event_id":"sha256:fe4184ff05d6aad2034d22f6bd8fe8aea01119e928debee27e3d3c07769b6870"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EZENBWUSQG5PKB4TV2T7A7KXTG/bundle.json","state_url":"https://pith.science/pith/EZENBWUSQG5PKB4TV2T7A7KXTG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EZENBWUSQG5PKB4TV2T7A7KXTG/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":"2026-05-29T21:48:15Z","links":{"resolver":"https://pith.science/pith/EZENBWUSQG5PKB4TV2T7A7KXTG","bundle":"https://pith.science/pith/EZENBWUSQG5PKB4TV2T7A7KXTG/bundle.json","state":"https://pith.science/pith/EZENBWUSQG5PKB4TV2T7A7KXTG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EZENBWUSQG5PKB4TV2T7A7KXTG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:EZENBWUSQG5PKB4TV2T7A7KXTG","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":"4808a6af36f266b1eb5e8d88bcd2d6d443b3a0cfc14a5cb98aa003eef30d0446","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-21T13:07:18Z","title_canon_sha256":"3ddb0118072e42b5df5503d8f2381d711453e5e6546f6bbc22bd965857566869"},"schema_version":"1.0","source":{"id":"1711.07761","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.07761","created_at":"2026-05-18T00:27:17Z"},{"alias_kind":"arxiv_version","alias_value":"1711.07761v1","created_at":"2026-05-18T00:27:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.07761","created_at":"2026-05-18T00:27:17Z"},{"alias_kind":"pith_short_12","alias_value":"EZENBWUSQG5P","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EZENBWUSQG5PKB4T","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EZENBWUS","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:fe4184ff05d6aad2034d22f6bd8fe8aea01119e928debee27e3d3c07769b6870","target":"graph","created_at":"2026-05-18T00:27:17Z","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"},"paper":{"abstract_excerpt":"Line coincidence photopumping is a process where the electrons of an atomic or molecular species are radiatively excited through the absorption of line emission from another species at a coincident wavelength. There are many instances of line coincidence photopumping in astrophysical sources at optical and ultraviolet wavelengths, with the most famous example being Bowen fluorescence (pumping of O III 303.80 A by He II), but none to our knowledge in X-rays. However, here we report on a scheme where a He-like line of Ne IX at 11.000 A is photopumped by He-like Na X at 11.003 A, which predicts s","authors_text":"D. Hynes, D. J. Christian, F. P. Keenan, J. Flowerdew, J. Nilsen, K. Poppenhaeger, M. Mathioudakis, S. J. Rose, W. R. Johnson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-21T13:07:18Z","title":"X-ray line coincidence photopumping in a solar flare"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.07761","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:b3de28d412f6d25b996341c65de30ce86dfbd7ad0f19f8f237974fb994510bf8","target":"record","created_at":"2026-05-18T00:27:17Z","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":"4808a6af36f266b1eb5e8d88bcd2d6d443b3a0cfc14a5cb98aa003eef30d0446","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-21T13:07:18Z","title_canon_sha256":"3ddb0118072e42b5df5503d8f2381d711453e5e6546f6bbc22bd965857566869"},"schema_version":"1.0","source":{"id":"1711.07761","kind":"arxiv","version":1}},"canonical_sha256":"2648d0da9281baf50793aea7f07d5799beb0f56846f53b16e186a1d9ede1b861","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2648d0da9281baf50793aea7f07d5799beb0f56846f53b16e186a1d9ede1b861","first_computed_at":"2026-05-18T00:27:17.720615Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:17.720615Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8h78Nh3t0Uw5rz+xFueG7SmdGkLvpScPcMz5w/0vomPyKRfFfX2WkXOm0idJJ3u0EVbAatnwGveRdF+K43vHBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:17.721149Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.07761","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3de28d412f6d25b996341c65de30ce86dfbd7ad0f19f8f237974fb994510bf8","sha256:fe4184ff05d6aad2034d22f6bd8fe8aea01119e928debee27e3d3c07769b6870"],"state_sha256":"fc4f5426733af38bee07544abb5380bfea50d01290b0bbdd7a8dc2a2e8c3cd0b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xz5/IIvt0FsnIDnuzRcsKHfyWFB1gEc9CN860+gKrgY3LStzf19c5lu84DJuh5+4KcwPA6rjIQ9j9j1ov8jIAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T21:48:15.945793Z","bundle_sha256":"9b5daaa19ac599c5b1557cd06f34c1f9b2ca67b361b319e2a6e0dfa7c2bea0dc"}}