{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DGBUBD55SRJCZXY7LHPXQJDKMF","short_pith_number":"pith:DGBUBD55","canonical_record":{"source":{"id":"1803.11172","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-03-29T17:37:54Z","cross_cats_sorted":[],"title_canon_sha256":"cd94be55f60e2a3db7d09201247082d80abaa986be26e35521831f5d66ab61a6","abstract_canon_sha256":"886ad96476bbaef33f83a8edfd25c1261517850fa9004b0292453dfa488bb786"},"schema_version":"1.0"},"canonical_sha256":"1983408fbd94522cdf1f59df78246a61440a1b4bcd6ed7bdede37de34bed3a6e","source":{"kind":"arxiv","id":"1803.11172","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.11172","created_at":"2026-05-18T00:16:49Z"},{"alias_kind":"arxiv_version","alias_value":"1803.11172v2","created_at":"2026-05-18T00:16:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.11172","created_at":"2026-05-18T00:16:49Z"},{"alias_kind":"pith_short_12","alias_value":"DGBUBD55SRJC","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DGBUBD55SRJCZXY7","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DGBUBD55","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DGBUBD55SRJCZXY7LHPXQJDKMF","target":"record","payload":{"canonical_record":{"source":{"id":"1803.11172","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-03-29T17:37:54Z","cross_cats_sorted":[],"title_canon_sha256":"cd94be55f60e2a3db7d09201247082d80abaa986be26e35521831f5d66ab61a6","abstract_canon_sha256":"886ad96476bbaef33f83a8edfd25c1261517850fa9004b0292453dfa488bb786"},"schema_version":"1.0"},"canonical_sha256":"1983408fbd94522cdf1f59df78246a61440a1b4bcd6ed7bdede37de34bed3a6e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:49.982325Z","signature_b64":"QlEpXYx5Nl2VMdFuJXN5hHcrzdQMRUTrVeIQSOQ/8o9tOftYPiMSIfR+duUR0Br+PpzLKtVMR4RgBAezBbV5Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1983408fbd94522cdf1f59df78246a61440a1b4bcd6ed7bdede37de34bed3a6e","last_reissued_at":"2026-05-18T00:16:49.981639Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:49.981639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.11172","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":"2026-05-18T00:16:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ydod2mX0idCRaEobCEw0d6e5d0QPbHldWR3QdS9rYd1CVF2GDQRR+/axY3TfezQ+o0v38WvJrBZ8+9qv0QjcDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T04:57:04.444280Z"},"content_sha256":"424507ae3310ece81747a7904c46759ee3b05be48ffd25d596cbbd9457535527","schema_version":"1.0","event_id":"sha256:424507ae3310ece81747a7904c46759ee3b05be48ffd25d596cbbd9457535527"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DGBUBD55SRJCZXY7LHPXQJDKMF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation and Modeling of Chromospheric Evaporation in a Coronal Loop Related to Active Region Transient Brightening","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Aveek Sarkar, Durgesh Tripathi, G. R. Gupta","submitted_at":"2018-03-29T17:37:54Z","abstract_excerpt":"Using the observations recorded by Atmospheric Imaging Assembly (AIA) on-board the Solar Dynamics Observatory (SDO), the Interface Region Imaging Spectrograph (IRIS) and the Extreme-ultraviolet Imaging Spectrometer (EIS) and X-Ray Telescope (XRT) both on-board Hinode, we present the evidence of chromospheric evaporation in a coronal loop after the occurrence of two active region transient brightenings (ARTBs) at the two footpoints. The chromospheric evaporation started nearly simultaneously in all the three hot channels of AIA such as 131~{\\AA}, 94~{\\AA} and 335~{\\AA}, which was observed to be"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.11172","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":"2026-05-18T00:16:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gZ8Yw1BinMfoytHJEU2eqX3cLKv+IX9ezdJUWhxJHfoQmlkP2/7U3iq8r+m/Y62q1+QQwsPC8dqdmJYSp29DDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T04:57:04.444975Z"},"content_sha256":"e5b80b324038c8214ef8d99e4cc5ce50ec4c229cd85d289c222a4240192844f8","schema_version":"1.0","event_id":"sha256:e5b80b324038c8214ef8d99e4cc5ce50ec4c229cd85d289c222a4240192844f8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DGBUBD55SRJCZXY7LHPXQJDKMF/bundle.json","state_url":"https://pith.science/pith/DGBUBD55SRJCZXY7LHPXQJDKMF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DGBUBD55SRJCZXY7LHPXQJDKMF/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":"2026-06-11T04:57:04Z","links":{"resolver":"https://pith.science/pith/DGBUBD55SRJCZXY7LHPXQJDKMF","bundle":"https://pith.science/pith/DGBUBD55SRJCZXY7LHPXQJDKMF/bundle.json","state":"https://pith.science/pith/DGBUBD55SRJCZXY7LHPXQJDKMF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DGBUBD55SRJCZXY7LHPXQJDKMF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DGBUBD55SRJCZXY7LHPXQJDKMF","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":"886ad96476bbaef33f83a8edfd25c1261517850fa9004b0292453dfa488bb786","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-03-29T17:37:54Z","title_canon_sha256":"cd94be55f60e2a3db7d09201247082d80abaa986be26e35521831f5d66ab61a6"},"schema_version":"1.0","source":{"id":"1803.11172","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.11172","created_at":"2026-05-18T00:16:49Z"},{"alias_kind":"arxiv_version","alias_value":"1803.11172v2","created_at":"2026-05-18T00:16:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.11172","created_at":"2026-05-18T00:16:49Z"},{"alias_kind":"pith_short_12","alias_value":"DGBUBD55SRJC","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DGBUBD55SRJCZXY7","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DGBUBD55","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:e5b80b324038c8214ef8d99e4cc5ce50ec4c229cd85d289c222a4240192844f8","target":"graph","created_at":"2026-05-18T00:16:49Z","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":"Using the observations recorded by Atmospheric Imaging Assembly (AIA) on-board the Solar Dynamics Observatory (SDO), the Interface Region Imaging Spectrograph (IRIS) and the Extreme-ultraviolet Imaging Spectrometer (EIS) and X-Ray Telescope (XRT) both on-board Hinode, we present the evidence of chromospheric evaporation in a coronal loop after the occurrence of two active region transient brightenings (ARTBs) at the two footpoints. The chromospheric evaporation started nearly simultaneously in all the three hot channels of AIA such as 131~{\\AA}, 94~{\\AA} and 335~{\\AA}, which was observed to be","authors_text":"Aveek Sarkar, Durgesh Tripathi, G. R. Gupta","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-03-29T17:37:54Z","title":"Observation and Modeling of Chromospheric Evaporation in a Coronal Loop Related to Active Region Transient Brightening"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.11172","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":"sha256:424507ae3310ece81747a7904c46759ee3b05be48ffd25d596cbbd9457535527","target":"record","created_at":"2026-05-18T00:16:49Z","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":"886ad96476bbaef33f83a8edfd25c1261517850fa9004b0292453dfa488bb786","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-03-29T17:37:54Z","title_canon_sha256":"cd94be55f60e2a3db7d09201247082d80abaa986be26e35521831f5d66ab61a6"},"schema_version":"1.0","source":{"id":"1803.11172","kind":"arxiv","version":2}},"canonical_sha256":"1983408fbd94522cdf1f59df78246a61440a1b4bcd6ed7bdede37de34bed3a6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1983408fbd94522cdf1f59df78246a61440a1b4bcd6ed7bdede37de34bed3a6e","first_computed_at":"2026-05-18T00:16:49.981639Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:49.981639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QlEpXYx5Nl2VMdFuJXN5hHcrzdQMRUTrVeIQSOQ/8o9tOftYPiMSIfR+duUR0Br+PpzLKtVMR4RgBAezBbV5Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:49.982325Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.11172","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:424507ae3310ece81747a7904c46759ee3b05be48ffd25d596cbbd9457535527","sha256:e5b80b324038c8214ef8d99e4cc5ce50ec4c229cd85d289c222a4240192844f8"],"state_sha256":"c555821a3da2d273a034b122218d001b08fbccc5c0a0f08e3e5f4a539780b5cf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EvixNKRkp75VDbjG/cWXFvME1gGdJUt+gn7DJQxIQUjiBXG8BW4aSPmxU5lKWHneUDVwan1nhQhdKAd0L1QhAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T04:57:04.449479Z","bundle_sha256":"b0e3bff79fbcb337bebf1153f50a7e137545be237caa9cda7d9424365b5da3d4"}}