{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:O4ZQ33MC7GBOEFQKOUX6VX3V45","short_pith_number":"pith:O4ZQ33MC","canonical_record":{"source":{"id":"1310.5449","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-21T07:47:22Z","cross_cats_sorted":[],"title_canon_sha256":"0e037763a7758be881b14c37d06e1bb40300649c8cd8d0fe9876ee2f82ceee98","abstract_canon_sha256":"97920f4c9e925dde6a8b0a3e314f287ae4c1a476187269e2e72d0e1e474448fb"},"schema_version":"1.0"},"canonical_sha256":"77330ded82f982e2160a752feadf75e754715e7b27b6f2634e81bd01416b17cb","source":{"kind":"arxiv","id":"1310.5449","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.5449","created_at":"2026-05-18T01:46:57Z"},{"alias_kind":"arxiv_version","alias_value":"1310.5449v1","created_at":"2026-05-18T01:46:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.5449","created_at":"2026-05-18T01:46:57Z"},{"alias_kind":"pith_short_12","alias_value":"O4ZQ33MC7GBO","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"O4ZQ33MC7GBOEFQK","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"O4ZQ33MC","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:O4ZQ33MC7GBOEFQKOUX6VX3V45","target":"record","payload":{"canonical_record":{"source":{"id":"1310.5449","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-21T07:47:22Z","cross_cats_sorted":[],"title_canon_sha256":"0e037763a7758be881b14c37d06e1bb40300649c8cd8d0fe9876ee2f82ceee98","abstract_canon_sha256":"97920f4c9e925dde6a8b0a3e314f287ae4c1a476187269e2e72d0e1e474448fb"},"schema_version":"1.0"},"canonical_sha256":"77330ded82f982e2160a752feadf75e754715e7b27b6f2634e81bd01416b17cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:57.155786Z","signature_b64":"4vW8imZ+nVdkDrgR25iOS9hP0kzwAZ0TGnTFEgnqpF4aa+MZEKkrXe1doUnA6sb/Rk8ebfWyALtdfm5aNrvFAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77330ded82f982e2160a752feadf75e754715e7b27b6f2634e81bd01416b17cb","last_reissued_at":"2026-05-18T01:46:57.155031Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:57.155031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.5449","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":"2026-05-18T01:46:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s6gZ2C3IYIYu80qqKOptCBuO3PsTqqEga4pcn6qzS5Gj1BgsSHyQEgMWjLzvI8mZfL21NngtzKu1pAzsAfqXCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:11:23.626091Z"},"content_sha256":"0bdf46bdbfa1fb045984f4c6ec2af1a03589ef27ce8056b88cb6f001ab8747d7","schema_version":"1.0","event_id":"sha256:0bdf46bdbfa1fb045984f4c6ec2af1a03589ef27ce8056b88cb6f001ab8747d7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:O4ZQ33MC7GBOEFQKOUX6VX3V45","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the line profile changes observed during the X2.2 class flare in the active region NOAA 11158","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Raja Bayanna, Brajesh Kumar, B. Ravindra, P. Venkatakrishnan, R. A. Garcia, Savita Mathur, Shibu K Mathew","submitted_at":"2013-10-21T07:47:22Z","abstract_excerpt":"The solar active region NOAA 11158 produced a series of flares during its passage through the solar disk. The first major flare (of class X2.2) of the current solar cycle occurred in this active region on 2011 February 15 around 01:50 UT. We have analyzed the Dopplergrams and magnetograms obtained by the Helioseismic and Magnetic Imager (HMI) instrument onboard Solar Dynamics Observatory (SDO) to examine the photospheric velocity and magnetic field changes associated with this flare. The HMI instrument provides high-quality Doppler and magnetic maps of the solar disk at 0.5 arcsec spatial scal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.5449","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":"2026-05-18T01:46:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XdjjfpA1DmHGVKYAB1700yiSRHf+Ckzwqo9Z3tUqSTDY5R4FwCKLDqT4D+pJeSDQ7s7axqyjbqTf9ZpLc3+hBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:11:23.626449Z"},"content_sha256":"516142ef9b44967b8a85c06bcd5d37430b45f31af687269c3a2c724c01ce0965","schema_version":"1.0","event_id":"sha256:516142ef9b44967b8a85c06bcd5d37430b45f31af687269c3a2c724c01ce0965"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O4ZQ33MC7GBOEFQKOUX6VX3V45/bundle.json","state_url":"https://pith.science/pith/O4ZQ33MC7GBOEFQKOUX6VX3V45/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O4ZQ33MC7GBOEFQKOUX6VX3V45/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":"2026-06-05T10:11:23Z","links":{"resolver":"https://pith.science/pith/O4ZQ33MC7GBOEFQKOUX6VX3V45","bundle":"https://pith.science/pith/O4ZQ33MC7GBOEFQKOUX6VX3V45/bundle.json","state":"https://pith.science/pith/O4ZQ33MC7GBOEFQKOUX6VX3V45/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O4ZQ33MC7GBOEFQKOUX6VX3V45/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:O4ZQ33MC7GBOEFQKOUX6VX3V45","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":"97920f4c9e925dde6a8b0a3e314f287ae4c1a476187269e2e72d0e1e474448fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-21T07:47:22Z","title_canon_sha256":"0e037763a7758be881b14c37d06e1bb40300649c8cd8d0fe9876ee2f82ceee98"},"schema_version":"1.0","source":{"id":"1310.5449","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.5449","created_at":"2026-05-18T01:46:57Z"},{"alias_kind":"arxiv_version","alias_value":"1310.5449v1","created_at":"2026-05-18T01:46:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.5449","created_at":"2026-05-18T01:46:57Z"},{"alias_kind":"pith_short_12","alias_value":"O4ZQ33MC7GBO","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"O4ZQ33MC7GBOEFQK","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"O4ZQ33MC","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:516142ef9b44967b8a85c06bcd5d37430b45f31af687269c3a2c724c01ce0965","target":"graph","created_at":"2026-05-18T01:46:57Z","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":"The solar active region NOAA 11158 produced a series of flares during its passage through the solar disk. The first major flare (of class X2.2) of the current solar cycle occurred in this active region on 2011 February 15 around 01:50 UT. We have analyzed the Dopplergrams and magnetograms obtained by the Helioseismic and Magnetic Imager (HMI) instrument onboard Solar Dynamics Observatory (SDO) to examine the photospheric velocity and magnetic field changes associated with this flare. The HMI instrument provides high-quality Doppler and magnetic maps of the solar disk at 0.5 arcsec spatial scal","authors_text":"A. Raja Bayanna, Brajesh Kumar, B. Ravindra, P. Venkatakrishnan, R. A. Garcia, Savita Mathur, Shibu K Mathew","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-21T07:47:22Z","title":"On the line profile changes observed during the X2.2 class flare in the active region NOAA 11158"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.5449","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":"sha256:0bdf46bdbfa1fb045984f4c6ec2af1a03589ef27ce8056b88cb6f001ab8747d7","target":"record","created_at":"2026-05-18T01:46:57Z","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":"97920f4c9e925dde6a8b0a3e314f287ae4c1a476187269e2e72d0e1e474448fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-21T07:47:22Z","title_canon_sha256":"0e037763a7758be881b14c37d06e1bb40300649c8cd8d0fe9876ee2f82ceee98"},"schema_version":"1.0","source":{"id":"1310.5449","kind":"arxiv","version":1}},"canonical_sha256":"77330ded82f982e2160a752feadf75e754715e7b27b6f2634e81bd01416b17cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77330ded82f982e2160a752feadf75e754715e7b27b6f2634e81bd01416b17cb","first_computed_at":"2026-05-18T01:46:57.155031Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:57.155031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4vW8imZ+nVdkDrgR25iOS9hP0kzwAZ0TGnTFEgnqpF4aa+MZEKkrXe1doUnA6sb/Rk8ebfWyALtdfm5aNrvFAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:57.155786Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.5449","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0bdf46bdbfa1fb045984f4c6ec2af1a03589ef27ce8056b88cb6f001ab8747d7","sha256:516142ef9b44967b8a85c06bcd5d37430b45f31af687269c3a2c724c01ce0965"],"state_sha256":"92c18f351197def007610e5e8640f4875abf9ca372a296525a7a0e38ca553038"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fQgOR2r4jkVey6ae+lSY+n4pYfFrVX2VMshRNPgx4lA7CNqM10XPGaDWlvhNJBgZ/5+8e3qKUUkm90kKAoL0Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T10:11:23.628446Z","bundle_sha256":"87b6cdaf1be4ddd1ab76837b9cb3c482c7b97987040273dff2985f7b1bfe4416"}}