{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:ZZMJP4MJINYFQRIKDYIB36XNJR","short_pith_number":"pith:ZZMJP4MJ","canonical_record":{"source":{"id":"1207.3392","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-07-14T05:43:53Z","cross_cats_sorted":["cs.SE"],"title_canon_sha256":"1ef82df5a91ef1b15c76a5618876ad395eaa3a51b4ee4a533ac4ce4bcfddd103","abstract_canon_sha256":"aad085539c8d6c775a23bb121d641e78c7dd0e2059c785f57fe097e5edfa05a1"},"schema_version":"1.0"},"canonical_sha256":"ce5897f189437058450a1e101dfaed4c40a04eb3b9c271db2250e5d958f48e1f","source":{"kind":"arxiv","id":"1207.3392","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.3392","created_at":"2026-05-18T01:37:11Z"},{"alias_kind":"arxiv_version","alias_value":"1207.3392v2","created_at":"2026-05-18T01:37:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.3392","created_at":"2026-05-18T01:37:11Z"},{"alias_kind":"pith_short_12","alias_value":"ZZMJP4MJINYF","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"ZZMJP4MJINYFQRIK","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"ZZMJP4MJ","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:ZZMJP4MJINYFQRIKDYIB36XNJR","target":"record","payload":{"canonical_record":{"source":{"id":"1207.3392","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-07-14T05:43:53Z","cross_cats_sorted":["cs.SE"],"title_canon_sha256":"1ef82df5a91ef1b15c76a5618876ad395eaa3a51b4ee4a533ac4ce4bcfddd103","abstract_canon_sha256":"aad085539c8d6c775a23bb121d641e78c7dd0e2059c785f57fe097e5edfa05a1"},"schema_version":"1.0"},"canonical_sha256":"ce5897f189437058450a1e101dfaed4c40a04eb3b9c271db2250e5d958f48e1f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:37:11.739914Z","signature_b64":"SDYJ1YZcEimeM1lQri88kx3QhNizGPtg7U8ldKrmpRTNAu6JwGcs7++ATxUbcQICxbqeK4sLVaSSXwZz9NrLAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ce5897f189437058450a1e101dfaed4c40a04eb3b9c271db2250e5d958f48e1f","last_reissued_at":"2026-05-18T01:37:11.739245Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:37:11.739245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.3392","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:37:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hg0y96BnBmo59aKkdlx3pRNUj3qzo9yfQKkC++fHK/qSO+35UScOTVK7FmHRGHExSgEgJ0/XN7ki28AZrOp1BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:21:45.037207Z"},"content_sha256":"f5532ec567f8b201c9368ad2ca7fc313bafc2c03c91f1c93f8b06601fab3fa2b","schema_version":"1.0","event_id":"sha256:f5532ec567f8b201c9368ad2ca7fc313bafc2c03c91f1c93f8b06601fab3fa2b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:ZZMJP4MJINYFQRIKDYIB36XNJR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GenASiS: General Astrophysical Simulation System. I. Refinable Mesh and Nonrelativistic Hydrodynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SE"],"primary_cat":"astro-ph.IM","authors_text":"Anthony Mezzacappa, Christian Y. Cardall, Eirik Endeve, Reuben D. Budiardja","submitted_at":"2012-07-14T05:43:53Z","abstract_excerpt":"GenASiS (General Astrophysical Simulation System) is a new code being developed initially and primarily, though by no means exclusively, for the simulation of core-collapse supernovae on the world's leading capability supercomputers. This paper---the first in a series---demonstrates a centrally refined coordinate patch suitable for gravitational collapse and documents methods for compressible nonrelativistic hydrodynamics. We benchmark the hydrodynamics capabilities of GenASiS against many standard test problems; the results illustrate the basic competence of our implementation, demonstrate th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.3392","kind":"arxiv","version":2},"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":"2026-05-18T01:37:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vaec3idaCxB5tgjkT1yIrk1X+CICftVXQULYXsNBbvv6KiwLYAij8yPY18a0KUK5NITYMbiEwF0nZUCllXkUCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:21:45.037575Z"},"content_sha256":"52c4d31c8682e64b7da1c9ba85d51a759850ec5177ae52d38047180b6c419875","schema_version":"1.0","event_id":"sha256:52c4d31c8682e64b7da1c9ba85d51a759850ec5177ae52d38047180b6c419875"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZZMJP4MJINYFQRIKDYIB36XNJR/bundle.json","state_url":"https://pith.science/pith/ZZMJP4MJINYFQRIKDYIB36XNJR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZZMJP4MJINYFQRIKDYIB36XNJR/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":"2026-06-01T20:21:45Z","links":{"resolver":"https://pith.science/pith/ZZMJP4MJINYFQRIKDYIB36XNJR","bundle":"https://pith.science/pith/ZZMJP4MJINYFQRIKDYIB36XNJR/bundle.json","state":"https://pith.science/pith/ZZMJP4MJINYFQRIKDYIB36XNJR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZZMJP4MJINYFQRIKDYIB36XNJR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:ZZMJP4MJINYFQRIKDYIB36XNJR","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":"aad085539c8d6c775a23bb121d641e78c7dd0e2059c785f57fe097e5edfa05a1","cross_cats_sorted":["cs.SE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-07-14T05:43:53Z","title_canon_sha256":"1ef82df5a91ef1b15c76a5618876ad395eaa3a51b4ee4a533ac4ce4bcfddd103"},"schema_version":"1.0","source":{"id":"1207.3392","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.3392","created_at":"2026-05-18T01:37:11Z"},{"alias_kind":"arxiv_version","alias_value":"1207.3392v2","created_at":"2026-05-18T01:37:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.3392","created_at":"2026-05-18T01:37:11Z"},{"alias_kind":"pith_short_12","alias_value":"ZZMJP4MJINYF","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"ZZMJP4MJINYFQRIK","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"ZZMJP4MJ","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:52c4d31c8682e64b7da1c9ba85d51a759850ec5177ae52d38047180b6c419875","target":"graph","created_at":"2026-05-18T01:37:11Z","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":"GenASiS (General Astrophysical Simulation System) is a new code being developed initially and primarily, though by no means exclusively, for the simulation of core-collapse supernovae on the world's leading capability supercomputers. This paper---the first in a series---demonstrates a centrally refined coordinate patch suitable for gravitational collapse and documents methods for compressible nonrelativistic hydrodynamics. We benchmark the hydrodynamics capabilities of GenASiS against many standard test problems; the results illustrate the basic competence of our implementation, demonstrate th","authors_text":"Anthony Mezzacappa, Christian Y. Cardall, Eirik Endeve, Reuben D. Budiardja","cross_cats":["cs.SE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-07-14T05:43:53Z","title":"GenASiS: General Astrophysical Simulation System. I. Refinable Mesh and Nonrelativistic Hydrodynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.3392","kind":"arxiv","version":2},"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:f5532ec567f8b201c9368ad2ca7fc313bafc2c03c91f1c93f8b06601fab3fa2b","target":"record","created_at":"2026-05-18T01:37:11Z","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":"aad085539c8d6c775a23bb121d641e78c7dd0e2059c785f57fe097e5edfa05a1","cross_cats_sorted":["cs.SE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-07-14T05:43:53Z","title_canon_sha256":"1ef82df5a91ef1b15c76a5618876ad395eaa3a51b4ee4a533ac4ce4bcfddd103"},"schema_version":"1.0","source":{"id":"1207.3392","kind":"arxiv","version":2}},"canonical_sha256":"ce5897f189437058450a1e101dfaed4c40a04eb3b9c271db2250e5d958f48e1f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ce5897f189437058450a1e101dfaed4c40a04eb3b9c271db2250e5d958f48e1f","first_computed_at":"2026-05-18T01:37:11.739245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:37:11.739245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SDYJ1YZcEimeM1lQri88kx3QhNizGPtg7U8ldKrmpRTNAu6JwGcs7++ATxUbcQICxbqeK4sLVaSSXwZz9NrLAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:37:11.739914Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.3392","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f5532ec567f8b201c9368ad2ca7fc313bafc2c03c91f1c93f8b06601fab3fa2b","sha256:52c4d31c8682e64b7da1c9ba85d51a759850ec5177ae52d38047180b6c419875"],"state_sha256":"e5f2f814fd2d7d32de8bc88424adabb0c23f1f422e8b60a45262ea04888533c1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nfkNF/EO7aoTtGV5ZA0cAhF+c9FLEEMFtHIftiFkzBFytC06mKpQI0HpxF2COVE4iIfRMuyaj+BEjJC7UCZQCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T20:21:45.039439Z","bundle_sha256":"da7671f5e78c41b0c4f3e08382240ecf7d2a22950f26abc30320f3be29108b4f"}}