{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:LB6E3LFA2TIXOGORAJWPWTRSPK","short_pith_number":"pith:LB6E3LFA","canonical_record":{"source":{"id":"1510.05061","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-10-17T02:09:26Z","cross_cats_sorted":[],"title_canon_sha256":"542d19a740febbf52aa2ca90bde8b37b8d02d5f3a692546da273c3871d17dfb0","abstract_canon_sha256":"ee0063fc73e6f0733e907f48b639a8a30ae84e20fc735717c20b49d731d0f5e9"},"schema_version":"1.0"},"canonical_sha256":"587c4daca0d4d17719d1026cfb4e327a81f553fc4a2489909aea93faf8bcb8ec","source":{"kind":"arxiv","id":"1510.05061","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.05061","created_at":"2026-05-18T01:29:53Z"},{"alias_kind":"arxiv_version","alias_value":"1510.05061v1","created_at":"2026-05-18T01:29:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.05061","created_at":"2026-05-18T01:29:53Z"},{"alias_kind":"pith_short_12","alias_value":"LB6E3LFA2TIX","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"LB6E3LFA2TIXOGOR","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"LB6E3LFA","created_at":"2026-05-18T12:29:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:LB6E3LFA2TIXOGORAJWPWTRSPK","target":"record","payload":{"canonical_record":{"source":{"id":"1510.05061","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-10-17T02:09:26Z","cross_cats_sorted":[],"title_canon_sha256":"542d19a740febbf52aa2ca90bde8b37b8d02d5f3a692546da273c3871d17dfb0","abstract_canon_sha256":"ee0063fc73e6f0733e907f48b639a8a30ae84e20fc735717c20b49d731d0f5e9"},"schema_version":"1.0"},"canonical_sha256":"587c4daca0d4d17719d1026cfb4e327a81f553fc4a2489909aea93faf8bcb8ec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:29:53.294809Z","signature_b64":"c36rgydYY0u5wZeh0wEbf+t7/3smPWyOPdxwo0Irfg/xgOmSJQzLIoTk8ldgDbvp9nJfNPOdLtH42pizp/j9BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"587c4daca0d4d17719d1026cfb4e327a81f553fc4a2489909aea93faf8bcb8ec","last_reissued_at":"2026-05-18T01:29:53.294186Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:29:53.294186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.05061","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":"2026-05-18T01:29:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2tXqtIWNA0FqmTbWK50nS2jv2X7M9S/yrfz3aV5t62Laeb+yeNUAfwowGJjGrHtdwHbCx2r/H0BZ6ZoDxmkCBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T02:02:08.561149Z"},"content_sha256":"c94c1630b83d145fa215920b5e5bdeced437d0d46a07c97e584940116b5e8711","schema_version":"1.0","event_id":"sha256:c94c1630b83d145fa215920b5e5bdeced437d0d46a07c97e584940116b5e8711"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:LB6E3LFA2TIXOGORAJWPWTRSPK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modeling Astrophysical Explosions with Sustained Exascale Computing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. C. Calder, C. M. Malone, F. X. Timmes, M. Zingale","submitted_at":"2015-10-17T02:09:26Z","abstract_excerpt":"Our understanding of stars and their fates is based on coupling observations to theoretical models. Unlike laboratory physicists, we cannot perform experiments on stars, but rather must patiently take what nature allows us to observe. Simulation offers a means of virtual experimentation, enabling a detailed understanding of the most violent ongoing explosions in the Universe---the deaths of stars."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.05061","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":"2026-05-18T01:29:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+RjHyJxwVSe12QB8zGCDP7xJlQc6Iswdf+LVnospZE4HEPZI3jjNQv5uYhswX9I6uLN+wQYp8wPy3WyavIxdAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T02:02:08.561510Z"},"content_sha256":"b3e51c0add218b05c062dafcb811786c4cf860b828280514922efb4c98824e9e","schema_version":"1.0","event_id":"sha256:b3e51c0add218b05c062dafcb811786c4cf860b828280514922efb4c98824e9e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LB6E3LFA2TIXOGORAJWPWTRSPK/bundle.json","state_url":"https://pith.science/pith/LB6E3LFA2TIXOGORAJWPWTRSPK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LB6E3LFA2TIXOGORAJWPWTRSPK/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":"2026-06-02T02:02:08Z","links":{"resolver":"https://pith.science/pith/LB6E3LFA2TIXOGORAJWPWTRSPK","bundle":"https://pith.science/pith/LB6E3LFA2TIXOGORAJWPWTRSPK/bundle.json","state":"https://pith.science/pith/LB6E3LFA2TIXOGORAJWPWTRSPK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LB6E3LFA2TIXOGORAJWPWTRSPK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:LB6E3LFA2TIXOGORAJWPWTRSPK","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":"ee0063fc73e6f0733e907f48b639a8a30ae84e20fc735717c20b49d731d0f5e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-10-17T02:09:26Z","title_canon_sha256":"542d19a740febbf52aa2ca90bde8b37b8d02d5f3a692546da273c3871d17dfb0"},"schema_version":"1.0","source":{"id":"1510.05061","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.05061","created_at":"2026-05-18T01:29:53Z"},{"alias_kind":"arxiv_version","alias_value":"1510.05061v1","created_at":"2026-05-18T01:29:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.05061","created_at":"2026-05-18T01:29:53Z"},{"alias_kind":"pith_short_12","alias_value":"LB6E3LFA2TIX","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"LB6E3LFA2TIXOGOR","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"LB6E3LFA","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:b3e51c0add218b05c062dafcb811786c4cf860b828280514922efb4c98824e9e","target":"graph","created_at":"2026-05-18T01:29:53Z","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":"Our understanding of stars and their fates is based on coupling observations to theoretical models. Unlike laboratory physicists, we cannot perform experiments on stars, but rather must patiently take what nature allows us to observe. Simulation offers a means of virtual experimentation, enabling a detailed understanding of the most violent ongoing explosions in the Universe---the deaths of stars.","authors_text":"A. C. Calder, C. M. Malone, F. X. Timmes, M. Zingale","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-10-17T02:09:26Z","title":"Modeling Astrophysical Explosions with Sustained Exascale Computing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.05061","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:c94c1630b83d145fa215920b5e5bdeced437d0d46a07c97e584940116b5e8711","target":"record","created_at":"2026-05-18T01:29:53Z","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":"ee0063fc73e6f0733e907f48b639a8a30ae84e20fc735717c20b49d731d0f5e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-10-17T02:09:26Z","title_canon_sha256":"542d19a740febbf52aa2ca90bde8b37b8d02d5f3a692546da273c3871d17dfb0"},"schema_version":"1.0","source":{"id":"1510.05061","kind":"arxiv","version":1}},"canonical_sha256":"587c4daca0d4d17719d1026cfb4e327a81f553fc4a2489909aea93faf8bcb8ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"587c4daca0d4d17719d1026cfb4e327a81f553fc4a2489909aea93faf8bcb8ec","first_computed_at":"2026-05-18T01:29:53.294186Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:29:53.294186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c36rgydYY0u5wZeh0wEbf+t7/3smPWyOPdxwo0Irfg/xgOmSJQzLIoTk8ldgDbvp9nJfNPOdLtH42pizp/j9BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:29:53.294809Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.05061","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c94c1630b83d145fa215920b5e5bdeced437d0d46a07c97e584940116b5e8711","sha256:b3e51c0add218b05c062dafcb811786c4cf860b828280514922efb4c98824e9e"],"state_sha256":"cdee216261b770afb4af050796b56ae5205996be470eef840faeca9fa739a773"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n/9LOmNBaEF2OO/4wjUznM85xNN00u2QJM31xCiekFV1sLRq3Z4EFPFV/9O877baCdRidk3rSILfz3mBiAxwBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T02:02:08.563426Z","bundle_sha256":"e1c6804796ec1662ce80e6257012203169af2c4d9763dad94a84af5d4681993f"}}