{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:25RDYHWCZP4UCERDR2SJTVX5ER","short_pith_number":"pith:25RDYHWC","canonical_record":{"source":{"id":"1708.09797","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-31T16:22:45Z","cross_cats_sorted":[],"title_canon_sha256":"cc7ab2fb703f7d83ee35ed43399c95d9ebb6708abdae9af7580dbc1c0bddf431","abstract_canon_sha256":"e26f9148ed72d2e1e9a10d92d5e5dc81da7704fb76d1f900c6a5b5de2f8ddc57"},"schema_version":"1.0"},"canonical_sha256":"d7623c1ec2cbf94112238ea499d6fd247d5c0b13495e0c7bf59dfc1215980821","source":{"kind":"arxiv","id":"1708.09797","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.09797","created_at":"2026-05-18T00:33:48Z"},{"alias_kind":"arxiv_version","alias_value":"1708.09797v2","created_at":"2026-05-18T00:33:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.09797","created_at":"2026-05-18T00:33:48Z"},{"alias_kind":"pith_short_12","alias_value":"25RDYHWCZP4U","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"25RDYHWCZP4UCERD","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"25RDYHWC","created_at":"2026-05-18T12:30:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:25RDYHWCZP4UCERDR2SJTVX5ER","target":"record","payload":{"canonical_record":{"source":{"id":"1708.09797","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-31T16:22:45Z","cross_cats_sorted":[],"title_canon_sha256":"cc7ab2fb703f7d83ee35ed43399c95d9ebb6708abdae9af7580dbc1c0bddf431","abstract_canon_sha256":"e26f9148ed72d2e1e9a10d92d5e5dc81da7704fb76d1f900c6a5b5de2f8ddc57"},"schema_version":"1.0"},"canonical_sha256":"d7623c1ec2cbf94112238ea499d6fd247d5c0b13495e0c7bf59dfc1215980821","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:48.394062Z","signature_b64":"h3Do7lsdpU7+KUD2Ofvmb6eDoGoaFtcCjE3SG84Lf0oKau+Y778vaTy8/NaOXa9aozqHi0U8bibz/C9E07EpDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d7623c1ec2cbf94112238ea499d6fd247d5c0b13495e0c7bf59dfc1215980821","last_reissued_at":"2026-05-18T00:33:48.393394Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:48.393394Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.09797","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:33:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ywRX7n6NjDSI8MB3zTzSVft8Rwq+BCRkjoevPUXen3bLZrg/52I6999J/8FT33g+j59o4uRby3bu5N1QojsFBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:41:36.702877Z"},"content_sha256":"154d27f029d9a623e798be414172efb3b970a03771e9cf727090d1ff30c54752","schema_version":"1.0","event_id":"sha256:154d27f029d9a623e798be414172efb3b970a03771e9cf727090d1ff30c54752"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:25RDYHWCZP4UCERDR2SJTVX5ER","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Time variations of observed H$\\alpha$ line profiles and precipitation depths of non-thermal electrons in a solar flare","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Berlicki, K. Radziszewski, P. Rudawy, R. Falewicz","submitted_at":"2017-08-31T16:22:45Z","abstract_excerpt":"We compare time variations of the H$\\alpha$ and X-ray emissions observed during the pre-impulsive and impulsive phases of the C1.1-class solar flare on 21 June 2013 with those of plasma parameters and synthesized X-ray emission from a one-dimensional hydro-dynamic numerical model of the flare. The numerical model was calculated assuming that the external energy is delivered to the flaring loop by non-thermal electrons. The H$\\alpha$ spectra and images were obtained using the Multi-channel Subtractive Double Pass spectrograph with a time resolution of 50~ms. The X-ray fluxes and spectra were re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.09797","kind":"arxiv","version":2},"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":"2026-05-18T00:33:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mMkx9ggNVl8RGWb4zQwX1csI5v6Pgw1KLDyNWI3vkRPyM4T4z6rNzoF3SmILjdQS6YeLpGYnc8kuFB/q2UpRAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:41:36.703525Z"},"content_sha256":"4139c8bd7540a19dcd49026b5e290e16929020e4e6e6722bb0927b8d4cfc070d","schema_version":"1.0","event_id":"sha256:4139c8bd7540a19dcd49026b5e290e16929020e4e6e6722bb0927b8d4cfc070d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/25RDYHWCZP4UCERDR2SJTVX5ER/bundle.json","state_url":"https://pith.science/pith/25RDYHWCZP4UCERDR2SJTVX5ER/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/25RDYHWCZP4UCERDR2SJTVX5ER/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":"2026-05-28T17:41:36Z","links":{"resolver":"https://pith.science/pith/25RDYHWCZP4UCERDR2SJTVX5ER","bundle":"https://pith.science/pith/25RDYHWCZP4UCERDR2SJTVX5ER/bundle.json","state":"https://pith.science/pith/25RDYHWCZP4UCERDR2SJTVX5ER/state.json","well_known_bundle":"https://pith.science/.well-known/pith/25RDYHWCZP4UCERDR2SJTVX5ER/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:25RDYHWCZP4UCERDR2SJTVX5ER","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":"e26f9148ed72d2e1e9a10d92d5e5dc81da7704fb76d1f900c6a5b5de2f8ddc57","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-31T16:22:45Z","title_canon_sha256":"cc7ab2fb703f7d83ee35ed43399c95d9ebb6708abdae9af7580dbc1c0bddf431"},"schema_version":"1.0","source":{"id":"1708.09797","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.09797","created_at":"2026-05-18T00:33:48Z"},{"alias_kind":"arxiv_version","alias_value":"1708.09797v2","created_at":"2026-05-18T00:33:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.09797","created_at":"2026-05-18T00:33:48Z"},{"alias_kind":"pith_short_12","alias_value":"25RDYHWCZP4U","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"25RDYHWCZP4UCERD","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"25RDYHWC","created_at":"2026-05-18T12:30:55Z"}],"graph_snapshots":[{"event_id":"sha256:4139c8bd7540a19dcd49026b5e290e16929020e4e6e6722bb0927b8d4cfc070d","target":"graph","created_at":"2026-05-18T00:33:48Z","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":"We compare time variations of the H$\\alpha$ and X-ray emissions observed during the pre-impulsive and impulsive phases of the C1.1-class solar flare on 21 June 2013 with those of plasma parameters and synthesized X-ray emission from a one-dimensional hydro-dynamic numerical model of the flare. The numerical model was calculated assuming that the external energy is delivered to the flaring loop by non-thermal electrons. The H$\\alpha$ spectra and images were obtained using the Multi-channel Subtractive Double Pass spectrograph with a time resolution of 50~ms. The X-ray fluxes and spectra were re","authors_text":"A. Berlicki, K. Radziszewski, P. Rudawy, R. Falewicz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-31T16:22:45Z","title":"Time variations of observed H$\\alpha$ line profiles and precipitation depths of non-thermal electrons in a solar flare"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.09797","kind":"arxiv","version":2},"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":"sha256:154d27f029d9a623e798be414172efb3b970a03771e9cf727090d1ff30c54752","target":"record","created_at":"2026-05-18T00:33:48Z","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":"e26f9148ed72d2e1e9a10d92d5e5dc81da7704fb76d1f900c6a5b5de2f8ddc57","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-31T16:22:45Z","title_canon_sha256":"cc7ab2fb703f7d83ee35ed43399c95d9ebb6708abdae9af7580dbc1c0bddf431"},"schema_version":"1.0","source":{"id":"1708.09797","kind":"arxiv","version":2}},"canonical_sha256":"d7623c1ec2cbf94112238ea499d6fd247d5c0b13495e0c7bf59dfc1215980821","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d7623c1ec2cbf94112238ea499d6fd247d5c0b13495e0c7bf59dfc1215980821","first_computed_at":"2026-05-18T00:33:48.393394Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:48.393394Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h3Do7lsdpU7+KUD2Ofvmb6eDoGoaFtcCjE3SG84Lf0oKau+Y778vaTy8/NaOXa9aozqHi0U8bibz/C9E07EpDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:48.394062Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.09797","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:154d27f029d9a623e798be414172efb3b970a03771e9cf727090d1ff30c54752","sha256:4139c8bd7540a19dcd49026b5e290e16929020e4e6e6722bb0927b8d4cfc070d"],"state_sha256":"0472d22810d77d27ea704ea298ceefa923aad3099209b9478f1521a1fde677ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U/ygVpQHJgnkqmkoooYmpKUjrnHA3HrYuKdL1XoirNadR3NTXo/cHIoI2fzX1VYCP4De2DXot2Cehp9zzzPWAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T17:41:36.707165Z","bundle_sha256":"876e4b5ba37071bbc946c54b20e8a718e2ba6308baa3f298a8608f988281f640"}}