{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:NPD3NT55HT747RHOWUTAVNPRC5","short_pith_number":"pith:NPD3NT55","canonical_record":{"source":{"id":"1411.7095","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-11-26T03:28:10Z","cross_cats_sorted":[],"title_canon_sha256":"c9304ca158c88f711dbe85bf8500edd990cdc73b1eb26f7635360c8fdafddc1a","abstract_canon_sha256":"ad032a0a1f83be8602bd5042b87f3090a600fa2004731e0eaedff09e54d57b07"},"schema_version":"1.0"},"canonical_sha256":"6bc7b6cfbd3cffcfc4eeb5260ab5f1177f2e517e866a1b76180cfc732f5d6b35","source":{"kind":"arxiv","id":"1411.7095","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.7095","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"arxiv_version","alias_value":"1411.7095v1","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.7095","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"pith_short_12","alias_value":"NPD3NT55HT74","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NPD3NT55HT747RHO","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NPD3NT55","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:NPD3NT55HT747RHOWUTAVNPRC5","target":"record","payload":{"canonical_record":{"source":{"id":"1411.7095","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-11-26T03:28:10Z","cross_cats_sorted":[],"title_canon_sha256":"c9304ca158c88f711dbe85bf8500edd990cdc73b1eb26f7635360c8fdafddc1a","abstract_canon_sha256":"ad032a0a1f83be8602bd5042b87f3090a600fa2004731e0eaedff09e54d57b07"},"schema_version":"1.0"},"canonical_sha256":"6bc7b6cfbd3cffcfc4eeb5260ab5f1177f2e517e866a1b76180cfc732f5d6b35","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:25.752638Z","signature_b64":"1xMTiwdfujxhuQda8K4ZkMypYNgtFtUZkxwxgbVxNNJWT7d28zDjYE1sO76I12WU97f10t5H7LNYZnqTZYS0Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6bc7b6cfbd3cffcfc4eeb5260ab5f1177f2e517e866a1b76180cfc732f5d6b35","last_reissued_at":"2026-05-18T01:41:25.752103Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:25.752103Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.7095","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":"2026-05-18T01:41:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i1mt7sLRT5cDNX+DhrgTbFr9X+GmUeswCRvZYzOPlif3HA33U5IOVccRe+UkkCn2cbjRemTx0Rlt5s+FaGCaBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:23:57.854088Z"},"content_sha256":"155c86c2ce2baae1de5654858e5c8ce82a682baa0b4a7cde80227b21b3f57f22","schema_version":"1.0","event_id":"sha256:155c86c2ce2baae1de5654858e5c8ce82a682baa0b4a7cde80227b21b3f57f22"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:NPD3NT55HT747RHOWUTAVNPRC5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MHD Seismology of a Coronal Loop System by the First Two Modes of Standing Kink Waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. K. Srivastava, B. N. Dwivedi, M. D. Ding, P. F. Chen, Q. Hao, R. Erd\\'elyi, X. Cheng, Y. Guo","submitted_at":"2014-11-26T03:28:10Z","abstract_excerpt":"We report the observation of the first two harmonics of the horizontally polarized kink waves excited in a coronal loop system lying at south-east of AR 11719 on 2013 April 11. The detected periods of the fundamental mode ($P_1$), its first overtone ($P_2$) in the northern half, and that in the southern one are $530.2 \\pm 13.3$, $300.4 \\pm 27.7$, and $334.7 \\pm 22.1$ s, respectively. The periods of the first overtone in the two halves are the same considering uncertainties in the measurement. We estimate the average electron density, temperature, and length of the loop system as $(5.1 \\pm 0.8)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.7095","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":"2026-05-18T01:41:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rg8sxjq9LhfN0WieUhP4ryB+QPaZiY9YmTHaz9iLgCy9WJrFWFiJt1W6/TYM2xZmy13mmJ605vm/qiYAvXgzBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:23:57.854778Z"},"content_sha256":"e54cbfe9402004947a12925a1cd5318045b4e1624e3259d57c601cbfc53550ad","schema_version":"1.0","event_id":"sha256:e54cbfe9402004947a12925a1cd5318045b4e1624e3259d57c601cbfc53550ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NPD3NT55HT747RHOWUTAVNPRC5/bundle.json","state_url":"https://pith.science/pith/NPD3NT55HT747RHOWUTAVNPRC5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NPD3NT55HT747RHOWUTAVNPRC5/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":"2026-05-25T08:23:57Z","links":{"resolver":"https://pith.science/pith/NPD3NT55HT747RHOWUTAVNPRC5","bundle":"https://pith.science/pith/NPD3NT55HT747RHOWUTAVNPRC5/bundle.json","state":"https://pith.science/pith/NPD3NT55HT747RHOWUTAVNPRC5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NPD3NT55HT747RHOWUTAVNPRC5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:NPD3NT55HT747RHOWUTAVNPRC5","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":"ad032a0a1f83be8602bd5042b87f3090a600fa2004731e0eaedff09e54d57b07","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-11-26T03:28:10Z","title_canon_sha256":"c9304ca158c88f711dbe85bf8500edd990cdc73b1eb26f7635360c8fdafddc1a"},"schema_version":"1.0","source":{"id":"1411.7095","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.7095","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"arxiv_version","alias_value":"1411.7095v1","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.7095","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"pith_short_12","alias_value":"NPD3NT55HT74","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NPD3NT55HT747RHO","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NPD3NT55","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:e54cbfe9402004947a12925a1cd5318045b4e1624e3259d57c601cbfc53550ad","target":"graph","created_at":"2026-05-18T01:41:25Z","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 report the observation of the first two harmonics of the horizontally polarized kink waves excited in a coronal loop system lying at south-east of AR 11719 on 2013 April 11. The detected periods of the fundamental mode ($P_1$), its first overtone ($P_2$) in the northern half, and that in the southern one are $530.2 \\pm 13.3$, $300.4 \\pm 27.7$, and $334.7 \\pm 22.1$ s, respectively. The periods of the first overtone in the two halves are the same considering uncertainties in the measurement. We estimate the average electron density, temperature, and length of the loop system as $(5.1 \\pm 0.8)","authors_text":"A. K. Srivastava, B. N. Dwivedi, M. D. Ding, P. F. Chen, Q. Hao, R. Erd\\'elyi, X. Cheng, Y. Guo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-11-26T03:28:10Z","title":"MHD Seismology of a Coronal Loop System by the First Two Modes of Standing Kink Waves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.7095","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":"sha256:155c86c2ce2baae1de5654858e5c8ce82a682baa0b4a7cde80227b21b3f57f22","target":"record","created_at":"2026-05-18T01:41:25Z","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":"ad032a0a1f83be8602bd5042b87f3090a600fa2004731e0eaedff09e54d57b07","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-11-26T03:28:10Z","title_canon_sha256":"c9304ca158c88f711dbe85bf8500edd990cdc73b1eb26f7635360c8fdafddc1a"},"schema_version":"1.0","source":{"id":"1411.7095","kind":"arxiv","version":1}},"canonical_sha256":"6bc7b6cfbd3cffcfc4eeb5260ab5f1177f2e517e866a1b76180cfc732f5d6b35","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6bc7b6cfbd3cffcfc4eeb5260ab5f1177f2e517e866a1b76180cfc732f5d6b35","first_computed_at":"2026-05-18T01:41:25.752103Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:25.752103Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1xMTiwdfujxhuQda8K4ZkMypYNgtFtUZkxwxgbVxNNJWT7d28zDjYE1sO76I12WU97f10t5H7LNYZnqTZYS0Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:25.752638Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.7095","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:155c86c2ce2baae1de5654858e5c8ce82a682baa0b4a7cde80227b21b3f57f22","sha256:e54cbfe9402004947a12925a1cd5318045b4e1624e3259d57c601cbfc53550ad"],"state_sha256":"9a118b5ed08300eeac28675154650cf0366165e78eeff27ec4b422dec0461778"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w4Ge9JPZrEyyqeHH5TshAdQwNPfXb3XeeSfMD3PoWoMYzWme614DRcqeU/pVS94KSYMvoCXS3hiQbxKFzyrLCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T08:23:57.858460Z","bundle_sha256":"b216bf901b40d15e7bd2cf5f69c6db873b3e40e288233cf6f9a2018495666db9"}}