{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:52XE2XLBHXVNWZPMCQSZ4C4G5B","short_pith_number":"pith:52XE2XLB","canonical_record":{"source":{"id":"2607.19724","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-22T03:45:05Z","cross_cats_sorted":[],"title_canon_sha256":"41fc9796dbd6562d39c5954cc29ad27ddda1206cea7f378c1fae9cb736b76890","abstract_canon_sha256":"256a1300589d620d6a1d38e9a64b75c187506041ddef01893be102d918eb8921"},"schema_version":"1.0"},"canonical_sha256":"eeae4d5d613deadb65ec14259e0b86e845c9a510e1a4f45f67bb3e06864ae7a6","source":{"kind":"arxiv","id":"2607.19724","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.19724","created_at":"2026-07-23T00:24:05Z"},{"alias_kind":"arxiv_version","alias_value":"2607.19724v1","created_at":"2026-07-23T00:24:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.19724","created_at":"2026-07-23T00:24:05Z"},{"alias_kind":"pith_short_12","alias_value":"52XE2XLBHXVN","created_at":"2026-07-23T00:24:05Z"},{"alias_kind":"pith_short_16","alias_value":"52XE2XLBHXVNWZPM","created_at":"2026-07-23T00:24:05Z"},{"alias_kind":"pith_short_8","alias_value":"52XE2XLB","created_at":"2026-07-23T00:24:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:52XE2XLBHXVNWZPMCQSZ4C4G5B","target":"record","payload":{"canonical_record":{"source":{"id":"2607.19724","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-22T03:45:05Z","cross_cats_sorted":[],"title_canon_sha256":"41fc9796dbd6562d39c5954cc29ad27ddda1206cea7f378c1fae9cb736b76890","abstract_canon_sha256":"256a1300589d620d6a1d38e9a64b75c187506041ddef01893be102d918eb8921"},"schema_version":"1.0"},"canonical_sha256":"eeae4d5d613deadb65ec14259e0b86e845c9a510e1a4f45f67bb3e06864ae7a6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-23T00:24:05.922762Z","signature_b64":"N4h7Rg6KAw7EZatdf0VL8laM1AC+jctw92lNvzqJNlD33KB14zW5m1ky3hHDmTkBGE6KbfVVBPr7Ar33iwu2BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eeae4d5d613deadb65ec14259e0b86e845c9a510e1a4f45f67bb3e06864ae7a6","last_reissued_at":"2026-07-23T00:24:05.921831Z","signature_status":"signed_v1","first_computed_at":"2026-07-23T00:24:05.921831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.19724","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":"2026-07-23T00:24:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"77UhACSGPK76Y/DR4UmTtSsmwuTdSlRi3FCdhMcWFqAtSF1DtykQMDr4QKvNMeMjnDW8DiRq3Um8tKyqU38CCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T13:30:20.585955Z"},"content_sha256":"cb4dded61a332b6971d7dc21de86474c1910c89fcb98af2b29135be483b82b7b","schema_version":"1.0","event_id":"sha256:cb4dded61a332b6971d7dc21de86474c1910c89fcb98af2b29135be483b82b7b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:52XE2XLBHXVNWZPMCQSZ4C4G5B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploring the Small-scale Magnetic Fields in the Atmosphere of HD 49385 by Asteroseismic Analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Guifang Lin, Tao Wu, Yaguang Li, Yan Li, Yuetong Wang","submitted_at":"2026-07-22T03:45:05Z","abstract_excerpt":"Recent asteroseismic studies have shown convincing evidences that magnetic fields may exist in the interior of some pulsating red giants. Inspired by this breakthrough, we explored the effect of small-scale magnetic fields on the p-mode oscillations in an evolved star, HD 49385. {\\bf We incorporate a modified Eddington $T$-$\\tau$ equation that phenomenologically mimics the effect of the magnetic fields in the atmosphere of HD 49385,} and calculate the frequencies of p-modes with $l=0$, 1, and 2. By comparing the calculated frequencies with the observed ones, we select two best-fit models with "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.19724","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/2607.19724/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":"2026-07-23T00:24:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pSxswwBDHUlwpa0L49G6g5JfcDKLX8b/94dHIFZHqHjNWoeMLz6/QgtRv4kKIUPxdVfgVynyJ+HeIEj8A8YMCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T13:30:20.586563Z"},"content_sha256":"411e74ca66496ddff37a107f38a2a5c9bc68426e2e80e6b28ca4d14fb6c39f99","schema_version":"1.0","event_id":"sha256:411e74ca66496ddff37a107f38a2a5c9bc68426e2e80e6b28ca4d14fb6c39f99"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/52XE2XLBHXVNWZPMCQSZ4C4G5B/bundle.json","state_url":"https://pith.science/pith/52XE2XLBHXVNWZPMCQSZ4C4G5B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/52XE2XLBHXVNWZPMCQSZ4C4G5B/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":"2026-08-06T13:30:20Z","links":{"resolver":"https://pith.science/pith/52XE2XLBHXVNWZPMCQSZ4C4G5B","bundle":"https://pith.science/pith/52XE2XLBHXVNWZPMCQSZ4C4G5B/bundle.json","state":"https://pith.science/pith/52XE2XLBHXVNWZPMCQSZ4C4G5B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/52XE2XLBHXVNWZPMCQSZ4C4G5B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:52XE2XLBHXVNWZPMCQSZ4C4G5B","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":"256a1300589d620d6a1d38e9a64b75c187506041ddef01893be102d918eb8921","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-22T03:45:05Z","title_canon_sha256":"41fc9796dbd6562d39c5954cc29ad27ddda1206cea7f378c1fae9cb736b76890"},"schema_version":"1.0","source":{"id":"2607.19724","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.19724","created_at":"2026-07-23T00:24:05Z"},{"alias_kind":"arxiv_version","alias_value":"2607.19724v1","created_at":"2026-07-23T00:24:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.19724","created_at":"2026-07-23T00:24:05Z"},{"alias_kind":"pith_short_12","alias_value":"52XE2XLBHXVN","created_at":"2026-07-23T00:24:05Z"},{"alias_kind":"pith_short_16","alias_value":"52XE2XLBHXVNWZPM","created_at":"2026-07-23T00:24:05Z"},{"alias_kind":"pith_short_8","alias_value":"52XE2XLB","created_at":"2026-07-23T00:24:05Z"}],"graph_snapshots":[{"event_id":"sha256:411e74ca66496ddff37a107f38a2a5c9bc68426e2e80e6b28ca4d14fb6c39f99","target":"graph","created_at":"2026-07-23T00:24:05Z","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/2607.19724/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent asteroseismic studies have shown convincing evidences that magnetic fields may exist in the interior of some pulsating red giants. Inspired by this breakthrough, we explored the effect of small-scale magnetic fields on the p-mode oscillations in an evolved star, HD 49385. {\\bf We incorporate a modified Eddington $T$-$\\tau$ equation that phenomenologically mimics the effect of the magnetic fields in the atmosphere of HD 49385,} and calculate the frequencies of p-modes with $l=0$, 1, and 2. By comparing the calculated frequencies with the observed ones, we select two best-fit models with ","authors_text":"Guifang Lin, Tao Wu, Yaguang Li, Yan Li, Yuetong Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-22T03:45:05Z","title":"Exploring the Small-scale Magnetic Fields in the Atmosphere of HD 49385 by Asteroseismic Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.19724","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:cb4dded61a332b6971d7dc21de86474c1910c89fcb98af2b29135be483b82b7b","target":"record","created_at":"2026-07-23T00:24:05Z","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":"256a1300589d620d6a1d38e9a64b75c187506041ddef01893be102d918eb8921","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-07-22T03:45:05Z","title_canon_sha256":"41fc9796dbd6562d39c5954cc29ad27ddda1206cea7f378c1fae9cb736b76890"},"schema_version":"1.0","source":{"id":"2607.19724","kind":"arxiv","version":1}},"canonical_sha256":"eeae4d5d613deadb65ec14259e0b86e845c9a510e1a4f45f67bb3e06864ae7a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eeae4d5d613deadb65ec14259e0b86e845c9a510e1a4f45f67bb3e06864ae7a6","first_computed_at":"2026-07-23T00:24:05.921831Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-23T00:24:05.921831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N4h7Rg6KAw7EZatdf0VL8laM1AC+jctw92lNvzqJNlD33KB14zW5m1ky3hHDmTkBGE6KbfVVBPr7Ar33iwu2BA==","signature_status":"signed_v1","signed_at":"2026-07-23T00:24:05.922762Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.19724","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cb4dded61a332b6971d7dc21de86474c1910c89fcb98af2b29135be483b82b7b","sha256:411e74ca66496ddff37a107f38a2a5c9bc68426e2e80e6b28ca4d14fb6c39f99"],"state_sha256":"2a77d4c9f75b6b09db06231ffe55e2f542a3961671de4455ae601cd8806d0bbb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cCBsVQhPb4y54rsyR2WPhSJkQC7mQKWlAEBBWoPB8RrS95whDfzmR7ocFdmAkgtlJetsZAeZH/FKyktzj4J6Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T13:30:20.590241Z","bundle_sha256":"0ad08f50c0773c7dc778bccc4bc6ba3320bdc85b805299b9298cd13331d9d67c"}}