{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:P56GCMEEJFMWJKCYCOCUSYZN4V","short_pith_number":"pith:P56GCMEE","canonical_record":{"source":{"id":"0910.4137","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-10-21T16:52:47Z","cross_cats_sorted":[],"title_canon_sha256":"dffa07b65910eece39cd8bfb679463316a0e82f8492567e4a7ca6ffb0eef964d","abstract_canon_sha256":"3c67e7d8be2e12f27c5734ec0cd42fa11b7897e59cd96093072cb9b2b27f5d87"},"schema_version":"1.0"},"canonical_sha256":"7f7c613084495964a858138549632de54839f9f428a02a6a00f5c81f54843128","source":{"kind":"arxiv","id":"0910.4137","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.4137","created_at":"2026-05-18T02:34:13Z"},{"alias_kind":"arxiv_version","alias_value":"0910.4137v1","created_at":"2026-05-18T02:34:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4137","created_at":"2026-05-18T02:34:13Z"},{"alias_kind":"pith_short_12","alias_value":"P56GCMEEJFMW","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"P56GCMEEJFMWJKCY","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"P56GCMEE","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:P56GCMEEJFMWJKCYCOCUSYZN4V","target":"record","payload":{"canonical_record":{"source":{"id":"0910.4137","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-10-21T16:52:47Z","cross_cats_sorted":[],"title_canon_sha256":"dffa07b65910eece39cd8bfb679463316a0e82f8492567e4a7ca6ffb0eef964d","abstract_canon_sha256":"3c67e7d8be2e12f27c5734ec0cd42fa11b7897e59cd96093072cb9b2b27f5d87"},"schema_version":"1.0"},"canonical_sha256":"7f7c613084495964a858138549632de54839f9f428a02a6a00f5c81f54843128","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:13.226578Z","signature_b64":"CL3peOdU9QectlZK9Fq1BGFC9R33L7YmXw1D7jVbVANDXnpxtZNWYGnYXHePwL+T+WLAgAE+6bCD1C86e2N/AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f7c613084495964a858138549632de54839f9f428a02a6a00f5c81f54843128","last_reissued_at":"2026-05-18T02:34:13.226200Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:13.226200Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.4137","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":"2026-05-18T02:34:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uUdHOc6pTMDvsdcoGNRzicQVoHwlq+z/1UNRkMrQLsWM3kv+jq1guoKz+9oRCQKO/ycQ3rMDTYBWOBtoDQNXBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:23:40.452135Z"},"content_sha256":"3b45ec29285450bcf79c89493d7fe9184f258d5c14ddff15f3425c627d7f5ded","schema_version":"1.0","event_id":"sha256:3b45ec29285450bcf79c89493d7fe9184f258d5c14ddff15f3425c627d7f5ded"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:P56GCMEEJFMWJKCYCOCUSYZN4V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Solar flows and their effect on frequencies of acoustic modes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"H. M. Antia, Piyali Chatterjee","submitted_at":"2009-10-21T16:52:47Z","abstract_excerpt":"We have calculated the effects of large scale solar flows like the meridional circulation, giant convection cells and solar rotation on the helioseismic splitting coefficients using quasi-degenerate perturbation theory (QDPT). Our investigation reveals that the effect of poloidal flows like the large scale meridional circulation are difficult to detect in observational data of the global acoustic modes since the frequency shifts are much less than the errors. However, signatures of large scale convective flows may be detected if their amplitude is sufficiently large by looking for frequency sh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4137","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":"2026-05-18T02:34:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HqL3QZYQkJ8frYPSZvXHyNKlfJntlNZKVJxJH/NSJjHxFFQwMyjpgo66D2FkRZu/6ZDYLAZNbKdc5Bb8IMHxCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:23:40.452887Z"},"content_sha256":"e54ffde3a8e303b288f4c7317ae5f49e3249283df23fe4c4071f9b2b29b0b977","schema_version":"1.0","event_id":"sha256:e54ffde3a8e303b288f4c7317ae5f49e3249283df23fe4c4071f9b2b29b0b977"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P56GCMEEJFMWJKCYCOCUSYZN4V/bundle.json","state_url":"https://pith.science/pith/P56GCMEEJFMWJKCYCOCUSYZN4V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P56GCMEEJFMWJKCYCOCUSYZN4V/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":"2026-05-27T04:23:40Z","links":{"resolver":"https://pith.science/pith/P56GCMEEJFMWJKCYCOCUSYZN4V","bundle":"https://pith.science/pith/P56GCMEEJFMWJKCYCOCUSYZN4V/bundle.json","state":"https://pith.science/pith/P56GCMEEJFMWJKCYCOCUSYZN4V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P56GCMEEJFMWJKCYCOCUSYZN4V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:P56GCMEEJFMWJKCYCOCUSYZN4V","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":"3c67e7d8be2e12f27c5734ec0cd42fa11b7897e59cd96093072cb9b2b27f5d87","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-10-21T16:52:47Z","title_canon_sha256":"dffa07b65910eece39cd8bfb679463316a0e82f8492567e4a7ca6ffb0eef964d"},"schema_version":"1.0","source":{"id":"0910.4137","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.4137","created_at":"2026-05-18T02:34:13Z"},{"alias_kind":"arxiv_version","alias_value":"0910.4137v1","created_at":"2026-05-18T02:34:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4137","created_at":"2026-05-18T02:34:13Z"},{"alias_kind":"pith_short_12","alias_value":"P56GCMEEJFMW","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"P56GCMEEJFMWJKCY","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"P56GCMEE","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:e54ffde3a8e303b288f4c7317ae5f49e3249283df23fe4c4071f9b2b29b0b977","target":"graph","created_at":"2026-05-18T02:34:13Z","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 have calculated the effects of large scale solar flows like the meridional circulation, giant convection cells and solar rotation on the helioseismic splitting coefficients using quasi-degenerate perturbation theory (QDPT). Our investigation reveals that the effect of poloidal flows like the large scale meridional circulation are difficult to detect in observational data of the global acoustic modes since the frequency shifts are much less than the errors. However, signatures of large scale convective flows may be detected if their amplitude is sufficiently large by looking for frequency sh","authors_text":"H. M. Antia, Piyali Chatterjee","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-10-21T16:52:47Z","title":"Solar flows and their effect on frequencies of acoustic modes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4137","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":"sha256:3b45ec29285450bcf79c89493d7fe9184f258d5c14ddff15f3425c627d7f5ded","target":"record","created_at":"2026-05-18T02:34:13Z","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":"3c67e7d8be2e12f27c5734ec0cd42fa11b7897e59cd96093072cb9b2b27f5d87","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-10-21T16:52:47Z","title_canon_sha256":"dffa07b65910eece39cd8bfb679463316a0e82f8492567e4a7ca6ffb0eef964d"},"schema_version":"1.0","source":{"id":"0910.4137","kind":"arxiv","version":1}},"canonical_sha256":"7f7c613084495964a858138549632de54839f9f428a02a6a00f5c81f54843128","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f7c613084495964a858138549632de54839f9f428a02a6a00f5c81f54843128","first_computed_at":"2026-05-18T02:34:13.226200Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:13.226200Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CL3peOdU9QectlZK9Fq1BGFC9R33L7YmXw1D7jVbVANDXnpxtZNWYGnYXHePwL+T+WLAgAE+6bCD1C86e2N/AA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:13.226578Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.4137","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b45ec29285450bcf79c89493d7fe9184f258d5c14ddff15f3425c627d7f5ded","sha256:e54ffde3a8e303b288f4c7317ae5f49e3249283df23fe4c4071f9b2b29b0b977"],"state_sha256":"0f4913c0fd332106560694de9cca247726d968b25c5b2ffc37c6996267ce8293"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"smluzbOx4FMo/DfR8/Vgi6m741CJdwjL15FxbM+pjnr8RFMWLjj5CmZ9bTGdVddoCM5PcVYGzOP56ZUYSPbOCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T04:23:40.456403Z","bundle_sha256":"f11834950aadb972e81b4b01ab9b15bac40f3a391d09d5da8fbcaed7947446f3"}}