{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:EE53YBLBBV2I4PRVYWAFZH3FYH","short_pith_number":"pith:EE53YBLB","canonical_record":{"source":{"id":"1801.00473","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-01-01T16:54:37Z","cross_cats_sorted":[],"title_canon_sha256":"96acdbc336936b067f388a8c42aca7ef7cac315c16ec7c5f8aa925c3b12f22e4","abstract_canon_sha256":"c9e0473e29163f14588323665f3d9c33aa274ec34d5e6e928492278b12e69e9c"},"schema_version":"1.0"},"canonical_sha256":"213bbc05610d748e3e35c5805c9f65c1f7ef691b50bc72ebca4192b10e8780ee","source":{"kind":"arxiv","id":"1801.00473","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.00473","created_at":"2026-05-18T00:23:28Z"},{"alias_kind":"arxiv_version","alias_value":"1801.00473v1","created_at":"2026-05-18T00:23:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.00473","created_at":"2026-05-18T00:23:28Z"},{"alias_kind":"pith_short_12","alias_value":"EE53YBLBBV2I","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EE53YBLBBV2I4PRV","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EE53YBLB","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:EE53YBLBBV2I4PRVYWAFZH3FYH","target":"record","payload":{"canonical_record":{"source":{"id":"1801.00473","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-01-01T16:54:37Z","cross_cats_sorted":[],"title_canon_sha256":"96acdbc336936b067f388a8c42aca7ef7cac315c16ec7c5f8aa925c3b12f22e4","abstract_canon_sha256":"c9e0473e29163f14588323665f3d9c33aa274ec34d5e6e928492278b12e69e9c"},"schema_version":"1.0"},"canonical_sha256":"213bbc05610d748e3e35c5805c9f65c1f7ef691b50bc72ebca4192b10e8780ee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:23:28.054226Z","signature_b64":"whTnk/tu2u7KNbWr6UTABTtBtK4Frpfr5/W++hJRQ8mAJH9iYfS+X8P8aSLuUGfG7PY1rMGIM5W1du4VTfErBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"213bbc05610d748e3e35c5805c9f65c1f7ef691b50bc72ebca4192b10e8780ee","last_reissued_at":"2026-05-18T00:23:28.053551Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:23:28.053551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.00473","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":"2026-05-18T00:23:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UnaCJdo632X95vgU2ZY+o4oR31BrSItrML6/omvXexi9RKbGyRkxRzzwTzqyMFsFMspaGP4TyjXa/f89UtjcDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T01:35:52.897443Z"},"content_sha256":"e5c926ad323c423ccff50f107b21bf263fa81674733eba56bb928440cf5a7c7d","schema_version":"1.0","event_id":"sha256:e5c926ad323c423ccff50f107b21bf263fa81674733eba56bb928440cf5a7c7d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:EE53YBLBBV2I4PRVYWAFZH3FYH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Comparative Study of the Eruptive and Non-Eruptive Flares Produced by the Largest Active Region of Solar Cycle 24","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Nandita Srivastava, Ranadeep Sarkar","submitted_at":"2018-01-01T16:54:37Z","abstract_excerpt":"We investigate the morphological and magnetic characteristics of solar active region (AR) NOAA 12192. AR 12192 was the largest region of Solar Cycle 24; it underwent noticeable growth and produced 6 X-class flares, 22 M-class flares, and 53 C-class flares in the course of its disc passage. However, the most peculiar fact of this AR is that it was associated with only one CME in spite of producing several X-class flares. In this work, we carry out a comparative study between the eruptive and non-eruptive flares produced by AR 12192. We find that the magnitude of abrupt and permanent changes in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.00473","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":"2026-05-18T00:23:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m3cK1FXSgtXcPVp91XctQOpk5OrU9gxM1BzJoLtQodBYfaHANTg4GQE+TI8AGuMMHcngwnIM6dtxk281l2KpCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T01:35:52.898099Z"},"content_sha256":"8d4481f3f37726a26dfacd00a7ea4e42f969cfa61f6f5f3afbf044c272fad4df","schema_version":"1.0","event_id":"sha256:8d4481f3f37726a26dfacd00a7ea4e42f969cfa61f6f5f3afbf044c272fad4df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EE53YBLBBV2I4PRVYWAFZH3FYH/bundle.json","state_url":"https://pith.science/pith/EE53YBLBBV2I4PRVYWAFZH3FYH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EE53YBLBBV2I4PRVYWAFZH3FYH/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":"2026-06-10T01:35:52Z","links":{"resolver":"https://pith.science/pith/EE53YBLBBV2I4PRVYWAFZH3FYH","bundle":"https://pith.science/pith/EE53YBLBBV2I4PRVYWAFZH3FYH/bundle.json","state":"https://pith.science/pith/EE53YBLBBV2I4PRVYWAFZH3FYH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EE53YBLBBV2I4PRVYWAFZH3FYH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:EE53YBLBBV2I4PRVYWAFZH3FYH","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":"c9e0473e29163f14588323665f3d9c33aa274ec34d5e6e928492278b12e69e9c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-01-01T16:54:37Z","title_canon_sha256":"96acdbc336936b067f388a8c42aca7ef7cac315c16ec7c5f8aa925c3b12f22e4"},"schema_version":"1.0","source":{"id":"1801.00473","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.00473","created_at":"2026-05-18T00:23:28Z"},{"alias_kind":"arxiv_version","alias_value":"1801.00473v1","created_at":"2026-05-18T00:23:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.00473","created_at":"2026-05-18T00:23:28Z"},{"alias_kind":"pith_short_12","alias_value":"EE53YBLBBV2I","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EE53YBLBBV2I4PRV","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EE53YBLB","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:8d4481f3f37726a26dfacd00a7ea4e42f969cfa61f6f5f3afbf044c272fad4df","target":"graph","created_at":"2026-05-18T00:23:28Z","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 investigate the morphological and magnetic characteristics of solar active region (AR) NOAA 12192. AR 12192 was the largest region of Solar Cycle 24; it underwent noticeable growth and produced 6 X-class flares, 22 M-class flares, and 53 C-class flares in the course of its disc passage. However, the most peculiar fact of this AR is that it was associated with only one CME in spite of producing several X-class flares. In this work, we carry out a comparative study between the eruptive and non-eruptive flares produced by AR 12192. We find that the magnitude of abrupt and permanent changes in ","authors_text":"Nandita Srivastava, Ranadeep Sarkar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-01-01T16:54:37Z","title":"A Comparative Study of the Eruptive and Non-Eruptive Flares Produced by the Largest Active Region of Solar Cycle 24"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.00473","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:e5c926ad323c423ccff50f107b21bf263fa81674733eba56bb928440cf5a7c7d","target":"record","created_at":"2026-05-18T00:23:28Z","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":"c9e0473e29163f14588323665f3d9c33aa274ec34d5e6e928492278b12e69e9c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-01-01T16:54:37Z","title_canon_sha256":"96acdbc336936b067f388a8c42aca7ef7cac315c16ec7c5f8aa925c3b12f22e4"},"schema_version":"1.0","source":{"id":"1801.00473","kind":"arxiv","version":1}},"canonical_sha256":"213bbc05610d748e3e35c5805c9f65c1f7ef691b50bc72ebca4192b10e8780ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"213bbc05610d748e3e35c5805c9f65c1f7ef691b50bc72ebca4192b10e8780ee","first_computed_at":"2026-05-18T00:23:28.053551Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:23:28.053551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"whTnk/tu2u7KNbWr6UTABTtBtK4Frpfr5/W++hJRQ8mAJH9iYfS+X8P8aSLuUGfG7PY1rMGIM5W1du4VTfErBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:23:28.054226Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.00473","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5c926ad323c423ccff50f107b21bf263fa81674733eba56bb928440cf5a7c7d","sha256:8d4481f3f37726a26dfacd00a7ea4e42f969cfa61f6f5f3afbf044c272fad4df"],"state_sha256":"7ceaa7c26f0b6ea9a124129fa3f9c6c152dd2b2299b94d5908d41d163e941c4b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1aremO5kc2hrlF6oZq0EMgDh+VEBe6sUzCnCnJaDRQY9FAzGsdRRsUbAyBe6WnMbPKkW03QNmjE71lweidYLDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T01:35:52.902294Z","bundle_sha256":"ed14cdf5f6da63f17836398d3a64a124c0ec3c8a891f64d80d2a65b6df37e819"}}