{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:72G5HX4WQYSCAO5KQJF3BLOXLL","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":"947f81131f249d53898fcc2103997d24cb31b72e7c11394c135fae8b4a9945e7","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-11T11:43:01Z","title_canon_sha256":"9c9677b2633d68ee34082c0d97754b20a29bf60151de0e625d524a1ef143450c"},"schema_version":"1.0","source":{"id":"1006.2268","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.2268","created_at":"2026-05-18T02:06:54Z"},{"alias_kind":"arxiv_version","alias_value":"1006.2268v1","created_at":"2026-05-18T02:06:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.2268","created_at":"2026-05-18T02:06:54Z"},{"alias_kind":"pith_short_12","alias_value":"72G5HX4WQYSC","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"72G5HX4WQYSCAO5K","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"72G5HX4W","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:fe34c2685af981374b9024c03f4b586f7ff35d61145fd71d816865fce0eaadc4","target":"graph","created_at":"2026-05-18T02:06:54Z","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 present radiation-hydrodynamics simulations of core-collapse supernova (SN) explosions, artificially generated by driving a piston at the base of the envelope of a rotating or non-rotating red-supergiant progenitor star. We search for trends in ejecta kinematics in the resulting Type II-Plateau (II-P) SN, exploring dependencies with explosion energy and pre-SN stellar-evolution model. We recover the trivial result that larger explosion energies yield larger ejecta velocities in a given progenitor. However, we emphasise that for a given explosion energy, the increasing helium-core mass with ","authors_text":"Eli Livne, Luc Dessart, Roni Waldman","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-11T11:43:01Z","title":"Determining the main-sequence mass of Type II supernova progenitors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.2268","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":"sha256:86e9bbbd2f2a16021c782517892831eea138ee93cc4047074e42fc5bf77a0cbe","target":"record","created_at":"2026-05-18T02:06:54Z","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":"947f81131f249d53898fcc2103997d24cb31b72e7c11394c135fae8b4a9945e7","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-11T11:43:01Z","title_canon_sha256":"9c9677b2633d68ee34082c0d97754b20a29bf60151de0e625d524a1ef143450c"},"schema_version":"1.0","source":{"id":"1006.2268","kind":"arxiv","version":1}},"canonical_sha256":"fe8dd3df968624203baa824bb0add75aedbf5bab1febf6975d18d6db12d45378","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe8dd3df968624203baa824bb0add75aedbf5bab1febf6975d18d6db12d45378","first_computed_at":"2026-05-18T02:06:54.595305Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:06:54.595305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2N+ohSMBlUXVCHpYLgmdfx6opMQOCIvOpNbch8/NS0m00VUfwH4806X68f1TpQR1cCB7OdXoiMr0TJhJlV6zDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:06:54.596150Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.2268","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:86e9bbbd2f2a16021c782517892831eea138ee93cc4047074e42fc5bf77a0cbe","sha256:fe34c2685af981374b9024c03f4b586f7ff35d61145fd71d816865fce0eaadc4"],"state_sha256":"1fb4937d792aa5b51c4b7867a0fad963f90e6a5c08719248ae612c6adce1f469"}