{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:H4XSMS63LAI3IZGAUQVHPL5MWC","short_pith_number":"pith:H4XSMS63","canonical_record":{"source":{"id":"1612.02507","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-08T01:51:14Z","cross_cats_sorted":[],"title_canon_sha256":"04c60fd5cd203bd25d4b592623ce7d3efa13434b22b4275334f94afa1dd84798","abstract_canon_sha256":"dd6ab6514e7eb44eb7fa7be024156f52ce0d7007e7f130e9217be6d1e46144ed"},"schema_version":"1.0"},"canonical_sha256":"3f2f264bdb5811b464c0a42a77afacb0adb36e2f6687a12a1f1ab39c685e3459","source":{"kind":"arxiv","id":"1612.02507","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.02507","created_at":"2026-05-18T00:31:13Z"},{"alias_kind":"arxiv_version","alias_value":"1612.02507v1","created_at":"2026-05-18T00:31:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.02507","created_at":"2026-05-18T00:31:13Z"},{"alias_kind":"pith_short_12","alias_value":"H4XSMS63LAI3","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"H4XSMS63LAI3IZGA","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"H4XSMS63","created_at":"2026-05-18T12:30:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:H4XSMS63LAI3IZGAUQVHPL5MWC","target":"record","payload":{"canonical_record":{"source":{"id":"1612.02507","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-08T01:51:14Z","cross_cats_sorted":[],"title_canon_sha256":"04c60fd5cd203bd25d4b592623ce7d3efa13434b22b4275334f94afa1dd84798","abstract_canon_sha256":"dd6ab6514e7eb44eb7fa7be024156f52ce0d7007e7f130e9217be6d1e46144ed"},"schema_version":"1.0"},"canonical_sha256":"3f2f264bdb5811b464c0a42a77afacb0adb36e2f6687a12a1f1ab39c685e3459","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:31:13.578065Z","signature_b64":"LM+6wi6Yjqql1MpEuRGT0wutKOupZMXQ6FLzycWEKpcAsvDiR++Y8pSaDqPtSw43JiXLjhocGmLnGqJb1SKyAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f2f264bdb5811b464c0a42a77afacb0adb36e2f6687a12a1f1ab39c685e3459","last_reissued_at":"2026-05-18T00:31:13.577485Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:31:13.577485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.02507","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":"2026-05-18T00:31:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KGioHosu8IxvCdUkIpYIrY4ffq4DSo0HEHdkWJYYPooYysGT6bvW3DHjA/CuA3LMqo6Qu/wV0/qfCNAchEmsAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T12:01:36.684511Z"},"content_sha256":"f875c3af45e5b7ef577d7fcf956300ea70a6bf464cb9d3d65f2f1f362540b215","schema_version":"1.0","event_id":"sha256:f875c3af45e5b7ef577d7fcf956300ea70a6bf464cb9d3d65f2f1f362540b215"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:H4XSMS63LAI3IZGAUQVHPL5MWC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Asteroseismic Constraints on the Models of Hot B Subdwarfs: Convective Helium-Burning Cores","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Elizabeth M. Green, J.-T. Schindler, W. David Arnett","submitted_at":"2016-12-08T01:51:14Z","abstract_excerpt":"Asteroseismology of non-radial pulsations in Hot B Subdwarfs (sdB stars) offers a unique view into the interior of core-helium-burning stars. Ground-based and space-borne high precision light curves allow for the analysis of pressure and gravity mode pulsations to probe the structure of sdB stars deep into the convective core. As such asteroseismological analysis provides an excellent opportunity to test our understanding of stellar evolution. In light of the newest constraints from asteroseismology of sdB and red clump stars, standard approaches of convective mixing in 1D stellar evolution mo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.02507","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":"2026-05-18T00:31:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b+udrj9U6lDHLFgCRbnyFIi/76erUbkxPNhcwv2FNtestUP0F1Ml21LdD70MreSUYAECnU9kXj9y36epy6mECg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T12:01:36.685223Z"},"content_sha256":"c88f8ed3dc71e61a9d19adfaed3d82791c3ab7d50f1915987f543f124df7be24","schema_version":"1.0","event_id":"sha256:c88f8ed3dc71e61a9d19adfaed3d82791c3ab7d50f1915987f543f124df7be24"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H4XSMS63LAI3IZGAUQVHPL5MWC/bundle.json","state_url":"https://pith.science/pith/H4XSMS63LAI3IZGAUQVHPL5MWC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H4XSMS63LAI3IZGAUQVHPL5MWC/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":"2026-06-07T12:01:36Z","links":{"resolver":"https://pith.science/pith/H4XSMS63LAI3IZGAUQVHPL5MWC","bundle":"https://pith.science/pith/H4XSMS63LAI3IZGAUQVHPL5MWC/bundle.json","state":"https://pith.science/pith/H4XSMS63LAI3IZGAUQVHPL5MWC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H4XSMS63LAI3IZGAUQVHPL5MWC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:H4XSMS63LAI3IZGAUQVHPL5MWC","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":"dd6ab6514e7eb44eb7fa7be024156f52ce0d7007e7f130e9217be6d1e46144ed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-08T01:51:14Z","title_canon_sha256":"04c60fd5cd203bd25d4b592623ce7d3efa13434b22b4275334f94afa1dd84798"},"schema_version":"1.0","source":{"id":"1612.02507","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.02507","created_at":"2026-05-18T00:31:13Z"},{"alias_kind":"arxiv_version","alias_value":"1612.02507v1","created_at":"2026-05-18T00:31:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.02507","created_at":"2026-05-18T00:31:13Z"},{"alias_kind":"pith_short_12","alias_value":"H4XSMS63LAI3","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"H4XSMS63LAI3IZGA","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"H4XSMS63","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:c88f8ed3dc71e61a9d19adfaed3d82791c3ab7d50f1915987f543f124df7be24","target":"graph","created_at":"2026-05-18T00:31:13Z","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":"Asteroseismology of non-radial pulsations in Hot B Subdwarfs (sdB stars) offers a unique view into the interior of core-helium-burning stars. Ground-based and space-borne high precision light curves allow for the analysis of pressure and gravity mode pulsations to probe the structure of sdB stars deep into the convective core. As such asteroseismological analysis provides an excellent opportunity to test our understanding of stellar evolution. In light of the newest constraints from asteroseismology of sdB and red clump stars, standard approaches of convective mixing in 1D stellar evolution mo","authors_text":"Elizabeth M. Green, J.-T. Schindler, W. David Arnett","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-08T01:51:14Z","title":"Asteroseismic Constraints on the Models of Hot B Subdwarfs: Convective Helium-Burning Cores"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.02507","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:f875c3af45e5b7ef577d7fcf956300ea70a6bf464cb9d3d65f2f1f362540b215","target":"record","created_at":"2026-05-18T00:31:13Z","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":"dd6ab6514e7eb44eb7fa7be024156f52ce0d7007e7f130e9217be6d1e46144ed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-08T01:51:14Z","title_canon_sha256":"04c60fd5cd203bd25d4b592623ce7d3efa13434b22b4275334f94afa1dd84798"},"schema_version":"1.0","source":{"id":"1612.02507","kind":"arxiv","version":1}},"canonical_sha256":"3f2f264bdb5811b464c0a42a77afacb0adb36e2f6687a12a1f1ab39c685e3459","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3f2f264bdb5811b464c0a42a77afacb0adb36e2f6687a12a1f1ab39c685e3459","first_computed_at":"2026-05-18T00:31:13.577485Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:31:13.577485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LM+6wi6Yjqql1MpEuRGT0wutKOupZMXQ6FLzycWEKpcAsvDiR++Y8pSaDqPtSw43JiXLjhocGmLnGqJb1SKyAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:31:13.578065Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.02507","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f875c3af45e5b7ef577d7fcf956300ea70a6bf464cb9d3d65f2f1f362540b215","sha256:c88f8ed3dc71e61a9d19adfaed3d82791c3ab7d50f1915987f543f124df7be24"],"state_sha256":"b0aa506998f12974f6c8c34421e3f8e77dff2a41da9fad40349b75d93aec62b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gDFlBl9TGnalmB3jzJlOcCGQo1lcRnP/tY/fl+0NSNGw/3idKzRJWmxkciWcsd+2Pt4FB7rO1xY0urI5H2qqBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T12:01:36.688640Z","bundle_sha256":"cd434e30d8ed21fa7fe56dd8ab728343b3305ce472516e853afccfa946d08d65"}}