{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:POBYIAUZREXSQ6NQ7HMU3MQ5B5","short_pith_number":"pith:POBYIAUZ","canonical_record":{"source":{"id":"1711.05273","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-14T19:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"be1310d9d49f269d2a16efc1c15f6bd42c81a7a99e2aa52aaa7c70cab589f43a","abstract_canon_sha256":"6a5768aaba8f674f2047ad4e93c4f5afea55d80d46b96338ac7e86ee5ce15b75"},"schema_version":"1.0"},"canonical_sha256":"7b83840299892f2879b0f9d94db21d0f6d93750f43fa558e2ce24d8271150d63","source":{"kind":"arxiv","id":"1711.05273","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.05273","created_at":"2026-05-18T00:27:10Z"},{"alias_kind":"arxiv_version","alias_value":"1711.05273v1","created_at":"2026-05-18T00:27:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.05273","created_at":"2026-05-18T00:27:10Z"},{"alias_kind":"pith_short_12","alias_value":"POBYIAUZREXS","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"POBYIAUZREXSQ6NQ","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"POBYIAUZ","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:POBYIAUZREXSQ6NQ7HMU3MQ5B5","target":"record","payload":{"canonical_record":{"source":{"id":"1711.05273","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-14T19:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"be1310d9d49f269d2a16efc1c15f6bd42c81a7a99e2aa52aaa7c70cab589f43a","abstract_canon_sha256":"6a5768aaba8f674f2047ad4e93c4f5afea55d80d46b96338ac7e86ee5ce15b75"},"schema_version":"1.0"},"canonical_sha256":"7b83840299892f2879b0f9d94db21d0f6d93750f43fa558e2ce24d8271150d63","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:10.678013Z","signature_b64":"iAEQFLozqsAYLzKORxG5UFIb+udKKMPk0AzdlMKZ26eWzInH3H28mKVnfMUNG1LaVLCgs+3ueefItZfePGAkBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b83840299892f2879b0f9d94db21d0f6d93750f43fa558e2ce24d8271150d63","last_reissued_at":"2026-05-18T00:27:10.677511Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:10.677511Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.05273","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":"2026-05-18T00:27:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bYXknIMUtFYUxy4/U13TBtvww+MPiAvKcY/tpdjza1G4+duDU3h/dHDczgu7F4KRMl/tZuTjI4MuacRjazSVCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T04:08:44.921758Z"},"content_sha256":"7ab7a4b325e8d36a3fe3dcec31603f53a1c928b8cac19f5ea3559b048de5f3d4","schema_version":"1.0","event_id":"sha256:7ab7a4b325e8d36a3fe3dcec31603f53a1c928b8cac19f5ea3559b048de5f3d4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:POBYIAUZREXSQ6NQ7HMU3MQ5B5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulating coronal loop implosion and compressible wave modes in a flare hit active region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Aveek Sarkar, Bhargav Vaidya, Jishnu Bhattacharyya, Soumitra Hazra","submitted_at":"2017-11-14T19:00:02Z","abstract_excerpt":"There is considerable observational evidence of implosion of magnetic loop systems inside solar coronal active regions following high energy events like solar flares. In this work, we propose that such collapse can be modeled in three dimensions quite accurately within the framework of ideal magnetohydrodynamics. We furthermore argue that the dynamics of loop implosion is only sensitive to the transmitted disturbance of one or more of the system variables, e.g. velocity generated at the event site. This indicates that to understand loop implosion, it is sensible to leave the event site out of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.05273","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":"2026-05-18T00:27:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9NEmM+b1/0qtw3beL5eTwZLtp5ESyaodcI9brvUAUCasdSbMOYhgZlSQ5pNtRLA7s8VLHeKXcpGBKnl6MgSoBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T04:08:44.922362Z"},"content_sha256":"c7ede6c0f5fa91f96a11b481a2aed01c4d426b166f62b4b527962eaaeb2db47f","schema_version":"1.0","event_id":"sha256:c7ede6c0f5fa91f96a11b481a2aed01c4d426b166f62b4b527962eaaeb2db47f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/POBYIAUZREXSQ6NQ7HMU3MQ5B5/bundle.json","state_url":"https://pith.science/pith/POBYIAUZREXSQ6NQ7HMU3MQ5B5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/POBYIAUZREXSQ6NQ7HMU3MQ5B5/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":"2026-06-05T04:08:44Z","links":{"resolver":"https://pith.science/pith/POBYIAUZREXSQ6NQ7HMU3MQ5B5","bundle":"https://pith.science/pith/POBYIAUZREXSQ6NQ7HMU3MQ5B5/bundle.json","state":"https://pith.science/pith/POBYIAUZREXSQ6NQ7HMU3MQ5B5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/POBYIAUZREXSQ6NQ7HMU3MQ5B5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:POBYIAUZREXSQ6NQ7HMU3MQ5B5","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":"6a5768aaba8f674f2047ad4e93c4f5afea55d80d46b96338ac7e86ee5ce15b75","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-14T19:00:02Z","title_canon_sha256":"be1310d9d49f269d2a16efc1c15f6bd42c81a7a99e2aa52aaa7c70cab589f43a"},"schema_version":"1.0","source":{"id":"1711.05273","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.05273","created_at":"2026-05-18T00:27:10Z"},{"alias_kind":"arxiv_version","alias_value":"1711.05273v1","created_at":"2026-05-18T00:27:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.05273","created_at":"2026-05-18T00:27:10Z"},{"alias_kind":"pith_short_12","alias_value":"POBYIAUZREXS","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"POBYIAUZREXSQ6NQ","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"POBYIAUZ","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:c7ede6c0f5fa91f96a11b481a2aed01c4d426b166f62b4b527962eaaeb2db47f","target":"graph","created_at":"2026-05-18T00:27:10Z","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 is considerable observational evidence of implosion of magnetic loop systems inside solar coronal active regions following high energy events like solar flares. In this work, we propose that such collapse can be modeled in three dimensions quite accurately within the framework of ideal magnetohydrodynamics. We furthermore argue that the dynamics of loop implosion is only sensitive to the transmitted disturbance of one or more of the system variables, e.g. velocity generated at the event site. This indicates that to understand loop implosion, it is sensible to leave the event site out of ","authors_text":"Aveek Sarkar, Bhargav Vaidya, Jishnu Bhattacharyya, Soumitra Hazra","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-14T19:00:02Z","title":"Simulating coronal loop implosion and compressible wave modes in a flare hit active region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.05273","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":"sha256:7ab7a4b325e8d36a3fe3dcec31603f53a1c928b8cac19f5ea3559b048de5f3d4","target":"record","created_at":"2026-05-18T00:27:10Z","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":"6a5768aaba8f674f2047ad4e93c4f5afea55d80d46b96338ac7e86ee5ce15b75","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-14T19:00:02Z","title_canon_sha256":"be1310d9d49f269d2a16efc1c15f6bd42c81a7a99e2aa52aaa7c70cab589f43a"},"schema_version":"1.0","source":{"id":"1711.05273","kind":"arxiv","version":1}},"canonical_sha256":"7b83840299892f2879b0f9d94db21d0f6d93750f43fa558e2ce24d8271150d63","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b83840299892f2879b0f9d94db21d0f6d93750f43fa558e2ce24d8271150d63","first_computed_at":"2026-05-18T00:27:10.677511Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:10.677511Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iAEQFLozqsAYLzKORxG5UFIb+udKKMPk0AzdlMKZ26eWzInH3H28mKVnfMUNG1LaVLCgs+3ueefItZfePGAkBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:10.678013Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.05273","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ab7a4b325e8d36a3fe3dcec31603f53a1c928b8cac19f5ea3559b048de5f3d4","sha256:c7ede6c0f5fa91f96a11b481a2aed01c4d426b166f62b4b527962eaaeb2db47f"],"state_sha256":"57c8521e200e0ad80ce3474a8bd07ea3673bc1d8229a80ddf6beda4183a6f76d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wFARFMMDYWPZatqE+J0SJ1E7+CFoAUMZTZ98j5C+bw9N1dNZZJv9rgyPrasAH9i4RZlHNo7kf078+CBA7/MFAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T04:08:44.925184Z","bundle_sha256":"2fa4c5b13d189c1eae3d4d5ed5b867e54f0c3c55e8a668a39d362db10241e2e8"}}