{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:6K3GURFZZMTBOK5TLQSI73B2QY","short_pith_number":"pith:6K3GURFZ","canonical_record":{"source":{"id":"2107.03952","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-07-08T16:24:33Z","cross_cats_sorted":[],"title_canon_sha256":"2e7b53e5fdb53706b0b2293c9e592e140fb16e4ea914381114c0e188fb28f32c","abstract_canon_sha256":"8ad382104a1f6f59081b7a4a542c3053974c9dff50cbf11ff4e18d7d47296dad"},"schema_version":"1.0"},"canonical_sha256":"f2b66a44b9cb26172bb35c248fec3a8623ebf29589cf1d86010170014b51b4bb","source":{"kind":"arxiv","id":"2107.03952","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.03952","created_at":"2026-07-05T02:56:21Z"},{"alias_kind":"arxiv_version","alias_value":"2107.03952v1","created_at":"2026-07-05T02:56:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.03952","created_at":"2026-07-05T02:56:21Z"},{"alias_kind":"pith_short_12","alias_value":"6K3GURFZZMTB","created_at":"2026-07-05T02:56:21Z"},{"alias_kind":"pith_short_16","alias_value":"6K3GURFZZMTBOK5T","created_at":"2026-07-05T02:56:21Z"},{"alias_kind":"pith_short_8","alias_value":"6K3GURFZ","created_at":"2026-07-05T02:56:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:6K3GURFZZMTBOK5TLQSI73B2QY","target":"record","payload":{"canonical_record":{"source":{"id":"2107.03952","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-07-08T16:24:33Z","cross_cats_sorted":[],"title_canon_sha256":"2e7b53e5fdb53706b0b2293c9e592e140fb16e4ea914381114c0e188fb28f32c","abstract_canon_sha256":"8ad382104a1f6f59081b7a4a542c3053974c9dff50cbf11ff4e18d7d47296dad"},"schema_version":"1.0"},"canonical_sha256":"f2b66a44b9cb26172bb35c248fec3a8623ebf29589cf1d86010170014b51b4bb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:56:21.020061Z","signature_b64":"gJk+m8BU69sN2wtXeAWEj0NA4+N8vhK3fBNmKPquix/TGAQ1xReBxtOLiR7RrEe0vWJYcGtZBIT1wgYDUKDpBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f2b66a44b9cb26172bb35c248fec3a8623ebf29589cf1d86010170014b51b4bb","last_reissued_at":"2026-07-05T02:56:21.019613Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:56:21.019613Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.03952","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":"2026-07-05T02:56:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BuviHvyUpg2Q6IcvSR9jtLMyNFklJJ94XVhY7ufF1/Ie/QYPMTMpioC7BAXInDuqpF1aaBD5K/rPLcHiyDelDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:50:40.911674Z"},"content_sha256":"93260953ef8237532cf9d95647adc94511cac3d89de446760bf326f5c84c6084","schema_version":"1.0","event_id":"sha256:93260953ef8237532cf9d95647adc94511cac3d89de446760bf326f5c84c6084"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:6K3GURFZZMTBOK5TLQSI73B2QY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Convection and rotation boosted prescription of magnetic braking: application to the formation of extremely low-mass white dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"L. T. T. Soethe, S. O. Kepler","submitted_at":"2021-07-08T16:24:33Z","abstract_excerpt":"Extremely low-mass white dwarfs (ELM WDs) are the result of binary evolution in which a low-mass donor star is stripped by its companion leaving behind a helium-core white dwarf. We explore the formation of ELM WDs in binary systems considering the Convection And Rotation Boosted magnetic braking treatment. Our evolutionary sequences were calculated using the MESA code, with initial masses of 1.0 and 1.2 Msun (donor), and 1.4 (accretor), compatible with low mass X-ray binaries (LMXB) systems. We obtain ELM models in the range 0.15 to 0.27 Msun from a broad range of initial orbital periods, 1 t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.03952","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/2107.03952/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":"2026-07-05T02:56:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HZv6iDB2KGNUFKfhaJura/9yERC8zxkC9wSTdqIEQEfmrbCxTbYX3Onrw4rMO9Fsw62BNPmk5ZtOx9oRN5LhDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:50:40.912166Z"},"content_sha256":"9d39376f58023a40aed58a8aea97c37d5bad8756e67271d7a4bd97beb494350b","schema_version":"1.0","event_id":"sha256:9d39376f58023a40aed58a8aea97c37d5bad8756e67271d7a4bd97beb494350b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6K3GURFZZMTBOK5TLQSI73B2QY/bundle.json","state_url":"https://pith.science/pith/6K3GURFZZMTBOK5TLQSI73B2QY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6K3GURFZZMTBOK5TLQSI73B2QY/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":"2026-08-03T17:50:40Z","links":{"resolver":"https://pith.science/pith/6K3GURFZZMTBOK5TLQSI73B2QY","bundle":"https://pith.science/pith/6K3GURFZZMTBOK5TLQSI73B2QY/bundle.json","state":"https://pith.science/pith/6K3GURFZZMTBOK5TLQSI73B2QY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6K3GURFZZMTBOK5TLQSI73B2QY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:6K3GURFZZMTBOK5TLQSI73B2QY","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":"8ad382104a1f6f59081b7a4a542c3053974c9dff50cbf11ff4e18d7d47296dad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-07-08T16:24:33Z","title_canon_sha256":"2e7b53e5fdb53706b0b2293c9e592e140fb16e4ea914381114c0e188fb28f32c"},"schema_version":"1.0","source":{"id":"2107.03952","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.03952","created_at":"2026-07-05T02:56:21Z"},{"alias_kind":"arxiv_version","alias_value":"2107.03952v1","created_at":"2026-07-05T02:56:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.03952","created_at":"2026-07-05T02:56:21Z"},{"alias_kind":"pith_short_12","alias_value":"6K3GURFZZMTB","created_at":"2026-07-05T02:56:21Z"},{"alias_kind":"pith_short_16","alias_value":"6K3GURFZZMTBOK5T","created_at":"2026-07-05T02:56:21Z"},{"alias_kind":"pith_short_8","alias_value":"6K3GURFZ","created_at":"2026-07-05T02:56:21Z"}],"graph_snapshots":[{"event_id":"sha256:9d39376f58023a40aed58a8aea97c37d5bad8756e67271d7a4bd97beb494350b","target":"graph","created_at":"2026-07-05T02:56:21Z","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/2107.03952/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Extremely low-mass white dwarfs (ELM WDs) are the result of binary evolution in which a low-mass donor star is stripped by its companion leaving behind a helium-core white dwarf. We explore the formation of ELM WDs in binary systems considering the Convection And Rotation Boosted magnetic braking treatment. Our evolutionary sequences were calculated using the MESA code, with initial masses of 1.0 and 1.2 Msun (donor), and 1.4 (accretor), compatible with low mass X-ray binaries (LMXB) systems. We obtain ELM models in the range 0.15 to 0.27 Msun from a broad range of initial orbital periods, 1 t","authors_text":"L. T. T. Soethe, S. O. Kepler","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-07-08T16:24:33Z","title":"Convection and rotation boosted prescription of magnetic braking: application to the formation of extremely low-mass white dwarfs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.03952","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":"sha256:93260953ef8237532cf9d95647adc94511cac3d89de446760bf326f5c84c6084","target":"record","created_at":"2026-07-05T02:56:21Z","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":"8ad382104a1f6f59081b7a4a542c3053974c9dff50cbf11ff4e18d7d47296dad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-07-08T16:24:33Z","title_canon_sha256":"2e7b53e5fdb53706b0b2293c9e592e140fb16e4ea914381114c0e188fb28f32c"},"schema_version":"1.0","source":{"id":"2107.03952","kind":"arxiv","version":1}},"canonical_sha256":"f2b66a44b9cb26172bb35c248fec3a8623ebf29589cf1d86010170014b51b4bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f2b66a44b9cb26172bb35c248fec3a8623ebf29589cf1d86010170014b51b4bb","first_computed_at":"2026-07-05T02:56:21.019613Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:56:21.019613Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gJk+m8BU69sN2wtXeAWEj0NA4+N8vhK3fBNmKPquix/TGAQ1xReBxtOLiR7RrEe0vWJYcGtZBIT1wgYDUKDpBw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:56:21.020061Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.03952","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93260953ef8237532cf9d95647adc94511cac3d89de446760bf326f5c84c6084","sha256:9d39376f58023a40aed58a8aea97c37d5bad8756e67271d7a4bd97beb494350b"],"state_sha256":"7005603f842bcda99ea53089323f7559c60a0235c486f20e5bf34d33029eec26"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E5oJUiYyNJN7E7d7J4Eeu3MLBmo+eGNqK+D2cizj0u3oe2jQwLJc/SnVxE65nEexm1mF6lnoDKIfTmUWXH7bBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T17:50:40.916658Z","bundle_sha256":"79fa1e0f10546156226ba4ebacdfbbd9e11b4157206dec73d7d045399f1f823c"}}