{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:HFXD7ZOT2HCF3BL6Q23LBBXMGE","short_pith_number":"pith:HFXD7ZOT","canonical_record":{"source":{"id":"2606.06703","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-04T20:41:48Z","cross_cats_sorted":[],"title_canon_sha256":"3590ec7d045a637dae36e6e245e78527097297bb7eee59789366db6d54978571","abstract_canon_sha256":"0483325dd5b0d14ad69cdce89741dcdc7f6b6a2f2d5e1b675b8ef003fe0fd842"},"schema_version":"1.0"},"canonical_sha256":"396e3fe5d3d1c45d857e86b6b086ec312392bcd3db17faba8bef0d05d233e6cc","source":{"kind":"arxiv","id":"2606.06703","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.06703","created_at":"2026-06-08T01:04:23Z"},{"alias_kind":"arxiv_version","alias_value":"2606.06703v1","created_at":"2026-06-08T01:04:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.06703","created_at":"2026-06-08T01:04:23Z"},{"alias_kind":"pith_short_12","alias_value":"HFXD7ZOT2HCF","created_at":"2026-06-08T01:04:23Z"},{"alias_kind":"pith_short_16","alias_value":"HFXD7ZOT2HCF3BL6","created_at":"2026-06-08T01:04:23Z"},{"alias_kind":"pith_short_8","alias_value":"HFXD7ZOT","created_at":"2026-06-08T01:04:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:HFXD7ZOT2HCF3BL6Q23LBBXMGE","target":"record","payload":{"canonical_record":{"source":{"id":"2606.06703","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-04T20:41:48Z","cross_cats_sorted":[],"title_canon_sha256":"3590ec7d045a637dae36e6e245e78527097297bb7eee59789366db6d54978571","abstract_canon_sha256":"0483325dd5b0d14ad69cdce89741dcdc7f6b6a2f2d5e1b675b8ef003fe0fd842"},"schema_version":"1.0"},"canonical_sha256":"396e3fe5d3d1c45d857e86b6b086ec312392bcd3db17faba8bef0d05d233e6cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-08T01:04:23.573959Z","signature_b64":"aSPtT3EgGNvObxT0KBqg5cgf6XKT5klfjb17jjrFT5iPoyp1Os8uHKaZ9nbYrb57yyanSqPj/WYv0pst0urJCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"396e3fe5d3d1c45d857e86b6b086ec312392bcd3db17faba8bef0d05d233e6cc","last_reissued_at":"2026-06-08T01:04:23.573071Z","signature_status":"signed_v1","first_computed_at":"2026-06-08T01:04:23.573071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.06703","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":"2026-06-08T01:04:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DIdibYB+fMS0vp1YkBjGfo+H2ilyWObwkpEcPoTrPWF9laUUsJ1xTonEmynHtxVTcgunblHKy76WIyLKgQ1QBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T14:32:05.728549Z"},"content_sha256":"90c0fa66306e9975c71a759a23d535235cf1fb987c25775fbaa0e0e6c010a25a","schema_version":"1.0","event_id":"sha256:90c0fa66306e9975c71a759a23d535235cf1fb987c25775fbaa0e0e6c010a25a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:HFXD7ZOT2HCF3BL6Q23LBBXMGE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Oscillatory Phase and Acoustic Travel-Time Inconsistencies Measured between SDO/HMI and GONG Dopplergrams","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Junwei Zhao, Ruizhu Chen, Shukur Kholikov, S. P. Rajaguru","submitted_at":"2026-06-04T20:41:48Z","abstract_excerpt":"We investigate the causes of discrepancies in meridional-circulation measurements derived from the helioseismic observations by the Helioseismic and Magnetic Imager onboard the Solar Dynamics Observatory (SDO/HMI) and the Global Oscillation Network Group (GONG). Using contemporaneous Dopplergrams from both instruments that are processed consistently, we measure relative oscillatory phase shifts at identical solar locations and analyze north-south acoustic travel-time shifts on both sides of the solar central meridian. Our analysis reveals a persistent area of phase-shift anomalies in the north"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.06703","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.06703/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-06-08T01:04:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2n6koRQmwNOss9qFJOG78qHwt2WGy6GXvAuC4ZnLgoHm3F0E4Bl68qsoLrfqDaCVJre2lQJZDHTqxI5z4NTyBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T14:32:05.728918Z"},"content_sha256":"38ee8124094148484665933126d644565c85e7d66932c929bcaa12a9f99d3196","schema_version":"1.0","event_id":"sha256:38ee8124094148484665933126d644565c85e7d66932c929bcaa12a9f99d3196"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HFXD7ZOT2HCF3BL6Q23LBBXMGE/bundle.json","state_url":"https://pith.science/pith/HFXD7ZOT2HCF3BL6Q23LBBXMGE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HFXD7ZOT2HCF3BL6Q23LBBXMGE/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":"2026-06-28T14:32:05Z","links":{"resolver":"https://pith.science/pith/HFXD7ZOT2HCF3BL6Q23LBBXMGE","bundle":"https://pith.science/pith/HFXD7ZOT2HCF3BL6Q23LBBXMGE/bundle.json","state":"https://pith.science/pith/HFXD7ZOT2HCF3BL6Q23LBBXMGE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HFXD7ZOT2HCF3BL6Q23LBBXMGE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:HFXD7ZOT2HCF3BL6Q23LBBXMGE","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":"0483325dd5b0d14ad69cdce89741dcdc7f6b6a2f2d5e1b675b8ef003fe0fd842","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-04T20:41:48Z","title_canon_sha256":"3590ec7d045a637dae36e6e245e78527097297bb7eee59789366db6d54978571"},"schema_version":"1.0","source":{"id":"2606.06703","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.06703","created_at":"2026-06-08T01:04:23Z"},{"alias_kind":"arxiv_version","alias_value":"2606.06703v1","created_at":"2026-06-08T01:04:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.06703","created_at":"2026-06-08T01:04:23Z"},{"alias_kind":"pith_short_12","alias_value":"HFXD7ZOT2HCF","created_at":"2026-06-08T01:04:23Z"},{"alias_kind":"pith_short_16","alias_value":"HFXD7ZOT2HCF3BL6","created_at":"2026-06-08T01:04:23Z"},{"alias_kind":"pith_short_8","alias_value":"HFXD7ZOT","created_at":"2026-06-08T01:04:23Z"}],"graph_snapshots":[{"event_id":"sha256:38ee8124094148484665933126d644565c85e7d66932c929bcaa12a9f99d3196","target":"graph","created_at":"2026-06-08T01:04:23Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.06703/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the causes of discrepancies in meridional-circulation measurements derived from the helioseismic observations by the Helioseismic and Magnetic Imager onboard the Solar Dynamics Observatory (SDO/HMI) and the Global Oscillation Network Group (GONG). Using contemporaneous Dopplergrams from both instruments that are processed consistently, we measure relative oscillatory phase shifts at identical solar locations and analyze north-south acoustic travel-time shifts on both sides of the solar central meridian. Our analysis reveals a persistent area of phase-shift anomalies in the north","authors_text":"Junwei Zhao, Ruizhu Chen, Shukur Kholikov, S. P. Rajaguru","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-04T20:41:48Z","title":"Oscillatory Phase and Acoustic Travel-Time Inconsistencies Measured between SDO/HMI and GONG Dopplergrams"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.06703","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":"sha256:90c0fa66306e9975c71a759a23d535235cf1fb987c25775fbaa0e0e6c010a25a","target":"record","created_at":"2026-06-08T01:04:23Z","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":"0483325dd5b0d14ad69cdce89741dcdc7f6b6a2f2d5e1b675b8ef003fe0fd842","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-04T20:41:48Z","title_canon_sha256":"3590ec7d045a637dae36e6e245e78527097297bb7eee59789366db6d54978571"},"schema_version":"1.0","source":{"id":"2606.06703","kind":"arxiv","version":1}},"canonical_sha256":"396e3fe5d3d1c45d857e86b6b086ec312392bcd3db17faba8bef0d05d233e6cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"396e3fe5d3d1c45d857e86b6b086ec312392bcd3db17faba8bef0d05d233e6cc","first_computed_at":"2026-06-08T01:04:23.573071Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-08T01:04:23.573071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aSPtT3EgGNvObxT0KBqg5cgf6XKT5klfjb17jjrFT5iPoyp1Os8uHKaZ9nbYrb57yyanSqPj/WYv0pst0urJCA==","signature_status":"signed_v1","signed_at":"2026-06-08T01:04:23.573959Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.06703","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:90c0fa66306e9975c71a759a23d535235cf1fb987c25775fbaa0e0e6c010a25a","sha256:38ee8124094148484665933126d644565c85e7d66932c929bcaa12a9f99d3196"],"state_sha256":"a3a5696ea76bbc795e10aea3deb36d7b2b8149e32b5cb41c6cef1032bd8aec68"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r/HmXQp6EbiRLOW7Ubu6BsC5748CeWT0Y19/svjUTp9/bLeFS0AqaoKItsmLxDOrBocy/kwMd6l+IsKiOOgKAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T14:32:05.730897Z","bundle_sha256":"2c22d4ca479f86cc4ee64995e13b72cc7bddc81d0eb4a5ad64dda413dbf59cbd"}}