{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:C2OW5KZ4FUCMVF5LL5NRJVHOV7","short_pith_number":"pith:C2OW5KZ4","canonical_record":{"source":{"id":"1508.03141","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-13T08:21:24Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"8e92ca353df0306560515ca01c158f50aaf29181144a20a2465a9426f428fc68","abstract_canon_sha256":"54f34c57ffd42abe7b1c28464e5e53972bf4045b6991985eeae691064a0dbef1"},"schema_version":"1.0"},"canonical_sha256":"169d6eab3c2d04ca97ab5f5b14d4eeaff3e812a0fe9d19d4ac1b60098fac789e","source":{"kind":"arxiv","id":"1508.03141","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.03141","created_at":"2026-05-18T01:18:43Z"},{"alias_kind":"arxiv_version","alias_value":"1508.03141v1","created_at":"2026-05-18T01:18:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.03141","created_at":"2026-05-18T01:18:43Z"},{"alias_kind":"pith_short_12","alias_value":"C2OW5KZ4FUCM","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C2OW5KZ4FUCMVF5L","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C2OW5KZ4","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:C2OW5KZ4FUCMVF5LL5NRJVHOV7","target":"record","payload":{"canonical_record":{"source":{"id":"1508.03141","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-13T08:21:24Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"8e92ca353df0306560515ca01c158f50aaf29181144a20a2465a9426f428fc68","abstract_canon_sha256":"54f34c57ffd42abe7b1c28464e5e53972bf4045b6991985eeae691064a0dbef1"},"schema_version":"1.0"},"canonical_sha256":"169d6eab3c2d04ca97ab5f5b14d4eeaff3e812a0fe9d19d4ac1b60098fac789e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:43.746238Z","signature_b64":"dklLADRSqnuYChTV1X02ZkM0l7Xkz2ffYcAEJoFv2x3IpKzJfZQYYkXloS9K37SJ6s/2fhMISmx7KuJRsfVvAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"169d6eab3c2d04ca97ab5f5b14d4eeaff3e812a0fe9d19d4ac1b60098fac789e","last_reissued_at":"2026-05-18T01:18:43.745557Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:43.745557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.03141","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":"2026-05-18T01:18:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qLqjy6O7Ap2aBHrbKAUVPECWJ0/RoAexJUUUAYWSYhy3KCgybUu/oNlcPLYmk09eY2qt8IF0o6RoLP1zCFr9DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T00:28:22.987696Z"},"content_sha256":"2bc331bacdaef7a569dcef8cb65cfe3e96a95761c1520f383ee64325db060e27","schema_version":"1.0","event_id":"sha256:2bc331bacdaef7a569dcef8cb65cfe3e96a95761c1520f383ee64325db060e27"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:C2OW5KZ4FUCMVF5LL5NRJVHOV7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Growing White Dwarfs to the Chandrasekhar Limit: The Parameter Space of the Single Degenerate SNIa Channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Attay Kovetz, Dina Prialnik, Michael M. Shara, Yael Hillman","submitted_at":"2015-08-13T08:21:24Z","abstract_excerpt":"Can a white dwarf, accreting hydrogen-rich matter from a non-degenerate companion star, ever exceed the Chandrasekhar mass and explode as a type Ia supernova? We explore the range of accretion rates that allow a white dwarf (WD) to secularly grow in mass, and derive limits on the accretion rate and on the initial mass that will allow it to reach $1.4M_\\odot$ --- the Chandrasekhar mass. We follow the evolution through a long series of hydrogen flashes, during which a thick helium shell accumulates. This determines the effective helium mass accretion rate for long-term, self-consistent evolution"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.03141","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":"2026-05-18T01:18:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q6+lFcsy+tMzLfByCQEhm4SkK/vC0WIQfEJkjdSaisRy1LBB75bXBhZlOw/eXIlfrcQsdJ4PLcakPtlVwPUhCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T00:28:22.988047Z"},"content_sha256":"6d870c2e9f9708173417a9421e0793cea310cc324e83c5bccb617eb0ba07c1d8","schema_version":"1.0","event_id":"sha256:6d870c2e9f9708173417a9421e0793cea310cc324e83c5bccb617eb0ba07c1d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C2OW5KZ4FUCMVF5LL5NRJVHOV7/bundle.json","state_url":"https://pith.science/pith/C2OW5KZ4FUCMVF5LL5NRJVHOV7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C2OW5KZ4FUCMVF5LL5NRJVHOV7/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":"2026-06-12T00:28:22Z","links":{"resolver":"https://pith.science/pith/C2OW5KZ4FUCMVF5LL5NRJVHOV7","bundle":"https://pith.science/pith/C2OW5KZ4FUCMVF5LL5NRJVHOV7/bundle.json","state":"https://pith.science/pith/C2OW5KZ4FUCMVF5LL5NRJVHOV7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C2OW5KZ4FUCMVF5LL5NRJVHOV7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:C2OW5KZ4FUCMVF5LL5NRJVHOV7","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":"54f34c57ffd42abe7b1c28464e5e53972bf4045b6991985eeae691064a0dbef1","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-13T08:21:24Z","title_canon_sha256":"8e92ca353df0306560515ca01c158f50aaf29181144a20a2465a9426f428fc68"},"schema_version":"1.0","source":{"id":"1508.03141","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.03141","created_at":"2026-05-18T01:18:43Z"},{"alias_kind":"arxiv_version","alias_value":"1508.03141v1","created_at":"2026-05-18T01:18:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.03141","created_at":"2026-05-18T01:18:43Z"},{"alias_kind":"pith_short_12","alias_value":"C2OW5KZ4FUCM","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C2OW5KZ4FUCMVF5L","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C2OW5KZ4","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:6d870c2e9f9708173417a9421e0793cea310cc324e83c5bccb617eb0ba07c1d8","target":"graph","created_at":"2026-05-18T01:18:43Z","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":"Can a white dwarf, accreting hydrogen-rich matter from a non-degenerate companion star, ever exceed the Chandrasekhar mass and explode as a type Ia supernova? We explore the range of accretion rates that allow a white dwarf (WD) to secularly grow in mass, and derive limits on the accretion rate and on the initial mass that will allow it to reach $1.4M_\\odot$ --- the Chandrasekhar mass. We follow the evolution through a long series of hydrogen flashes, during which a thick helium shell accumulates. This determines the effective helium mass accretion rate for long-term, self-consistent evolution","authors_text":"Attay Kovetz, Dina Prialnik, Michael M. Shara, Yael Hillman","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-13T08:21:24Z","title":"Growing White Dwarfs to the Chandrasekhar Limit: The Parameter Space of the Single Degenerate SNIa Channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.03141","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":"sha256:2bc331bacdaef7a569dcef8cb65cfe3e96a95761c1520f383ee64325db060e27","target":"record","created_at":"2026-05-18T01:18:43Z","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":"54f34c57ffd42abe7b1c28464e5e53972bf4045b6991985eeae691064a0dbef1","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-13T08:21:24Z","title_canon_sha256":"8e92ca353df0306560515ca01c158f50aaf29181144a20a2465a9426f428fc68"},"schema_version":"1.0","source":{"id":"1508.03141","kind":"arxiv","version":1}},"canonical_sha256":"169d6eab3c2d04ca97ab5f5b14d4eeaff3e812a0fe9d19d4ac1b60098fac789e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"169d6eab3c2d04ca97ab5f5b14d4eeaff3e812a0fe9d19d4ac1b60098fac789e","first_computed_at":"2026-05-18T01:18:43.745557Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:43.745557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dklLADRSqnuYChTV1X02ZkM0l7Xkz2ffYcAEJoFv2x3IpKzJfZQYYkXloS9K37SJ6s/2fhMISmx7KuJRsfVvAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:43.746238Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.03141","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2bc331bacdaef7a569dcef8cb65cfe3e96a95761c1520f383ee64325db060e27","sha256:6d870c2e9f9708173417a9421e0793cea310cc324e83c5bccb617eb0ba07c1d8"],"state_sha256":"78830b51934cbedc36ba5579c4eb73ed256f99e0e5a314e03f6478eb06f33c61"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N56eoQJMpLa3BkitL3Zn1KqrI3tmfobIVM//FefBL5g2xivq8adRWZlyYj/YL9m6U/98He8xNaP6cQ6AraP3Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T00:28:22.989978Z","bundle_sha256":"4db3c56438cebdd352cbdc9663f14046e6577784321878e29cf41542450e6b59"}}