{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:J743EZFJWBNCHZO7BPE6K4P7W3","short_pith_number":"pith:J743EZFJ","canonical_record":{"source":{"id":"2201.11629","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-01-27T16:35:54Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"c2154cbc29efa4014458b388a052528f01b900e7dba0d398740f521a39cd3b77","abstract_canon_sha256":"2cacda77976a6a5248ef388a13ac675a0e2266eea73b03ecdd7b3c12d5bb486b"},"schema_version":"1.0"},"canonical_sha256":"4ff9b264a9b05a23e5df0bc9e571ffb6f3d9ce6b216ca12813c304eec20bd973","source":{"kind":"arxiv","id":"2201.11629","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.11629","created_at":"2026-07-05T03:55:52Z"},{"alias_kind":"arxiv_version","alias_value":"2201.11629v2","created_at":"2026-07-05T03:55:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.11629","created_at":"2026-07-05T03:55:52Z"},{"alias_kind":"pith_short_12","alias_value":"J743EZFJWBNC","created_at":"2026-07-05T03:55:52Z"},{"alias_kind":"pith_short_16","alias_value":"J743EZFJWBNCHZO7","created_at":"2026-07-05T03:55:52Z"},{"alias_kind":"pith_short_8","alias_value":"J743EZFJ","created_at":"2026-07-05T03:55:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:J743EZFJWBNCHZO7BPE6K4P7W3","target":"record","payload":{"canonical_record":{"source":{"id":"2201.11629","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-01-27T16:35:54Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"c2154cbc29efa4014458b388a052528f01b900e7dba0d398740f521a39cd3b77","abstract_canon_sha256":"2cacda77976a6a5248ef388a13ac675a0e2266eea73b03ecdd7b3c12d5bb486b"},"schema_version":"1.0"},"canonical_sha256":"4ff9b264a9b05a23e5df0bc9e571ffb6f3d9ce6b216ca12813c304eec20bd973","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:55:52.115869Z","signature_b64":"bI1oopIKUOhD6i+Dc8BuSWnYCeBD8kWnLPDUAzTc8P6gPXNx0F5Tn1k3X0PqXkaaURyb3zwTUKVpkmwJF6zLAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ff9b264a9b05a23e5df0bc9e571ffb6f3d9ce6b216ca12813c304eec20bd973","last_reissued_at":"2026-07-05T03:55:52.115436Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:55:52.115436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.11629","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:55:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b6d8imRXoIauV1ZN9rYEH+20ia6qpNByxHHEJQm3xbQY81sLoy7yRmE/fVglBPD2aiBTulr7POqY3HSjt9uuDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T13:42:16.090351Z"},"content_sha256":"d171624e4258a5208e9a62edccd04594e9664fc0e8dcb49113e6813082874411","schema_version":"1.0","event_id":"sha256:d171624e4258a5208e9a62edccd04594e9664fc0e8dcb49113e6813082874411"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:J743EZFJWBNCHZO7BPE6K4P7W3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Asteroseismology across the HR diagram","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Donald Kurtz","submitted_at":"2022-01-27T16:35:54Z","abstract_excerpt":"Asteroseismology has grown from its beginnings three decades ago to a mature field teeming with discoveries and applications. This phenomenal growth has been enabled by space photometry with precision $10-100$ times better than ground-based observations, with nearly continuous light curves for durations of weeks to years, and by large scale ground-based surveys spanning years designed to detect all time-variable phenomena. The new high precision data are full of surprises, deepening our understanding of the physics of stars.\n  $\\bullet$ This review explores asteroseismic developments from the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.11629","kind":"arxiv","version":2},"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/2201.11629/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":"2026-07-05T03:55:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6pWBX/gLUEYMNxdx9W0OLgdKovjSxz0sCi3dmL5yDnUAHjWl0RM6fDuD4XbNeL7srP5ElJ/Aw4IBj6j0+9lgDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T13:42:16.091155Z"},"content_sha256":"4bf6afb87a1ca15e1634284a557f6835b3fb0469b9466fb1f575d0011d6526a8","schema_version":"1.0","event_id":"sha256:4bf6afb87a1ca15e1634284a557f6835b3fb0469b9466fb1f575d0011d6526a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J743EZFJWBNCHZO7BPE6K4P7W3/bundle.json","state_url":"https://pith.science/pith/J743EZFJWBNCHZO7BPE6K4P7W3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J743EZFJWBNCHZO7BPE6K4P7W3/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":"2026-08-23T13:42:16Z","links":{"resolver":"https://pith.science/pith/J743EZFJWBNCHZO7BPE6K4P7W3","bundle":"https://pith.science/pith/J743EZFJWBNCHZO7BPE6K4P7W3/bundle.json","state":"https://pith.science/pith/J743EZFJWBNCHZO7BPE6K4P7W3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J743EZFJWBNCHZO7BPE6K4P7W3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:J743EZFJWBNCHZO7BPE6K4P7W3","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":"2cacda77976a6a5248ef388a13ac675a0e2266eea73b03ecdd7b3c12d5bb486b","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-01-27T16:35:54Z","title_canon_sha256":"c2154cbc29efa4014458b388a052528f01b900e7dba0d398740f521a39cd3b77"},"schema_version":"1.0","source":{"id":"2201.11629","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.11629","created_at":"2026-07-05T03:55:52Z"},{"alias_kind":"arxiv_version","alias_value":"2201.11629v2","created_at":"2026-07-05T03:55:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.11629","created_at":"2026-07-05T03:55:52Z"},{"alias_kind":"pith_short_12","alias_value":"J743EZFJWBNC","created_at":"2026-07-05T03:55:52Z"},{"alias_kind":"pith_short_16","alias_value":"J743EZFJWBNCHZO7","created_at":"2026-07-05T03:55:52Z"},{"alias_kind":"pith_short_8","alias_value":"J743EZFJ","created_at":"2026-07-05T03:55:52Z"}],"graph_snapshots":[{"event_id":"sha256:4bf6afb87a1ca15e1634284a557f6835b3fb0469b9466fb1f575d0011d6526a8","target":"graph","created_at":"2026-07-05T03:55:52Z","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/2201.11629/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Asteroseismology has grown from its beginnings three decades ago to a mature field teeming with discoveries and applications. This phenomenal growth has been enabled by space photometry with precision $10-100$ times better than ground-based observations, with nearly continuous light curves for durations of weeks to years, and by large scale ground-based surveys spanning years designed to detect all time-variable phenomena. The new high precision data are full of surprises, deepening our understanding of the physics of stars.\n  $\\bullet$ This review explores asteroseismic developments from the ","authors_text":"Donald Kurtz","cross_cats":["astro-ph.EP"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-01-27T16:35:54Z","title":"Asteroseismology across the HR diagram"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.11629","kind":"arxiv","version":2},"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:d171624e4258a5208e9a62edccd04594e9664fc0e8dcb49113e6813082874411","target":"record","created_at":"2026-07-05T03:55:52Z","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":"2cacda77976a6a5248ef388a13ac675a0e2266eea73b03ecdd7b3c12d5bb486b","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-01-27T16:35:54Z","title_canon_sha256":"c2154cbc29efa4014458b388a052528f01b900e7dba0d398740f521a39cd3b77"},"schema_version":"1.0","source":{"id":"2201.11629","kind":"arxiv","version":2}},"canonical_sha256":"4ff9b264a9b05a23e5df0bc9e571ffb6f3d9ce6b216ca12813c304eec20bd973","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ff9b264a9b05a23e5df0bc9e571ffb6f3d9ce6b216ca12813c304eec20bd973","first_computed_at":"2026-07-05T03:55:52.115436Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:55:52.115436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bI1oopIKUOhD6i+Dc8BuSWnYCeBD8kWnLPDUAzTc8P6gPXNx0F5Tn1k3X0PqXkaaURyb3zwTUKVpkmwJF6zLAg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:55:52.115869Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.11629","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d171624e4258a5208e9a62edccd04594e9664fc0e8dcb49113e6813082874411","sha256:4bf6afb87a1ca15e1634284a557f6835b3fb0469b9466fb1f575d0011d6526a8"],"state_sha256":"3469b48a7c9483ed7634218b1920300480f7cf0cfc7a3a9998f8f79ceec93f53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g3pANDkRxCUNZ6ZrK0Pdt13M+5XEWLkrEWToPifYeEKohbzV/mtiEmfIvuifxIm/Q2VRHTR+hHDf7khL8FawCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T13:42:16.096200Z","bundle_sha256":"d238fd7cf58c99e5932033c8299e979b775c85d1d6dcf3d015e6485a65416f0c"}}