{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:PNEUJEFIFPZLOMTJCLWRWZGSA4","short_pith_number":"pith:PNEUJEFI","canonical_record":{"source":{"id":"1805.03957","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-05-05T15:21:04Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7df9a354534bf0e01a7100e6a56050723ff49abef29ab3864845bcda74635663","abstract_canon_sha256":"fb71212929c09e6997b07c9b4c39c9be83610062b43481eaf0ab1cbf976a7b83"},"schema_version":"1.0"},"canonical_sha256":"7b494490a82bf2b7326912ed1b64d2073c35232983124a48b5dbf01bb5eb0be1","source":{"kind":"arxiv","id":"1805.03957","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.03957","created_at":"2026-05-18T00:16:15Z"},{"alias_kind":"arxiv_version","alias_value":"1805.03957v1","created_at":"2026-05-18T00:16:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.03957","created_at":"2026-05-18T00:16:15Z"},{"alias_kind":"pith_short_12","alias_value":"PNEUJEFIFPZL","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PNEUJEFIFPZLOMTJ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PNEUJEFI","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:PNEUJEFIFPZLOMTJCLWRWZGSA4","target":"record","payload":{"canonical_record":{"source":{"id":"1805.03957","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-05-05T15:21:04Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7df9a354534bf0e01a7100e6a56050723ff49abef29ab3864845bcda74635663","abstract_canon_sha256":"fb71212929c09e6997b07c9b4c39c9be83610062b43481eaf0ab1cbf976a7b83"},"schema_version":"1.0"},"canonical_sha256":"7b494490a82bf2b7326912ed1b64d2073c35232983124a48b5dbf01bb5eb0be1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:15.694624Z","signature_b64":"qyGi6I+BRdCPPPhxLc5LDjuwixG3eODlTeNb1OMEuQYmA6qYjaXlxYGstQIYM1hyQ9uF1LwmBrE+j4rZ3js/Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b494490a82bf2b7326912ed1b64d2073c35232983124a48b5dbf01bb5eb0be1","last_reissued_at":"2026-05-18T00:16:15.693998Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:15.693998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.03957","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":"2026-05-18T00:16:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5z+JRAJbi8W+2ReFOVnV/jTD9nMWjyOoLbMgxMCuK4bqfgoHuQk2UkEf1fcbmg5ml7qaBawQ819Ry8NfwVQRDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T00:56:18.144537Z"},"content_sha256":"667d256c1b16034c329a29e2dbdb22fe801921e78bac08a881ad393b8b7b03b2","schema_version":"1.0","event_id":"sha256:667d256c1b16034c329a29e2dbdb22fe801921e78bac08a881ad393b8b7b03b2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:PNEUJEFIFPZLOMTJCLWRWZGSA4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Turbulence Generation by Shock-Acoustic-Wave Interaction in Core-Collapse Supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"(2) Universidad Carlos III de Madrid), A. Nussupbekov (1), C. Huete (2), E. Abdikamalov (1), S. Berdibek (1) ((1) Nazarbayev University","submitted_at":"2018-05-05T15:21:04Z","abstract_excerpt":"Convective instabilities in the advanced stages of nuclear shell burning can play an important role in neutrino-driven supernova explosions. In our previous work, we studied the interaction of vorticity and entropy waves with the supernova shock using a linear perturbations theory. In this paper, we extend our work by studying the effect of acoustic waves. As the acoustic waves cross the shock, the perturbed shock induces a field of entropy and vorticity waves in the post-shock flow. We find that, even when the upstream flow is assumed to be dominated by sonic perturbations, the shock-generate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.03957","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":"2026-05-18T00:16:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4db5lOb48b0FGqWjeLtArsGx4yO8WJAoMnO6A35x9wKpzimSmr7iup+ZCi75FsOgHX6PapaiFBPdpfbD1W16DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T00:56:18.144898Z"},"content_sha256":"34363d38606b7f6e38b6e3767c86b6058a687abba51a15aa79be67260e8a8393","schema_version":"1.0","event_id":"sha256:34363d38606b7f6e38b6e3767c86b6058a687abba51a15aa79be67260e8a8393"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PNEUJEFIFPZLOMTJCLWRWZGSA4/bundle.json","state_url":"https://pith.science/pith/PNEUJEFIFPZLOMTJCLWRWZGSA4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PNEUJEFIFPZLOMTJCLWRWZGSA4/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":"2026-06-01T00:56:18Z","links":{"resolver":"https://pith.science/pith/PNEUJEFIFPZLOMTJCLWRWZGSA4","bundle":"https://pith.science/pith/PNEUJEFIFPZLOMTJCLWRWZGSA4/bundle.json","state":"https://pith.science/pith/PNEUJEFIFPZLOMTJCLWRWZGSA4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PNEUJEFIFPZLOMTJCLWRWZGSA4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PNEUJEFIFPZLOMTJCLWRWZGSA4","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":"fb71212929c09e6997b07c9b4c39c9be83610062b43481eaf0ab1cbf976a7b83","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-05-05T15:21:04Z","title_canon_sha256":"7df9a354534bf0e01a7100e6a56050723ff49abef29ab3864845bcda74635663"},"schema_version":"1.0","source":{"id":"1805.03957","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.03957","created_at":"2026-05-18T00:16:15Z"},{"alias_kind":"arxiv_version","alias_value":"1805.03957v1","created_at":"2026-05-18T00:16:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.03957","created_at":"2026-05-18T00:16:15Z"},{"alias_kind":"pith_short_12","alias_value":"PNEUJEFIFPZL","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PNEUJEFIFPZLOMTJ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PNEUJEFI","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:34363d38606b7f6e38b6e3767c86b6058a687abba51a15aa79be67260e8a8393","target":"graph","created_at":"2026-05-18T00:16:15Z","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":"Convective instabilities in the advanced stages of nuclear shell burning can play an important role in neutrino-driven supernova explosions. In our previous work, we studied the interaction of vorticity and entropy waves with the supernova shock using a linear perturbations theory. In this paper, we extend our work by studying the effect of acoustic waves. As the acoustic waves cross the shock, the perturbed shock induces a field of entropy and vorticity waves in the post-shock flow. We find that, even when the upstream flow is assumed to be dominated by sonic perturbations, the shock-generate","authors_text":"(2) Universidad Carlos III de Madrid), A. Nussupbekov (1), C. Huete (2), E. Abdikamalov (1), S. Berdibek (1) ((1) Nazarbayev University","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-05-05T15:21:04Z","title":"Turbulence Generation by Shock-Acoustic-Wave Interaction in Core-Collapse Supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.03957","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":"sha256:667d256c1b16034c329a29e2dbdb22fe801921e78bac08a881ad393b8b7b03b2","target":"record","created_at":"2026-05-18T00:16:15Z","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":"fb71212929c09e6997b07c9b4c39c9be83610062b43481eaf0ab1cbf976a7b83","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-05-05T15:21:04Z","title_canon_sha256":"7df9a354534bf0e01a7100e6a56050723ff49abef29ab3864845bcda74635663"},"schema_version":"1.0","source":{"id":"1805.03957","kind":"arxiv","version":1}},"canonical_sha256":"7b494490a82bf2b7326912ed1b64d2073c35232983124a48b5dbf01bb5eb0be1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b494490a82bf2b7326912ed1b64d2073c35232983124a48b5dbf01bb5eb0be1","first_computed_at":"2026-05-18T00:16:15.693998Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:15.693998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qyGi6I+BRdCPPPhxLc5LDjuwixG3eODlTeNb1OMEuQYmA6qYjaXlxYGstQIYM1hyQ9uF1LwmBrE+j4rZ3js/Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:15.694624Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.03957","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:667d256c1b16034c329a29e2dbdb22fe801921e78bac08a881ad393b8b7b03b2","sha256:34363d38606b7f6e38b6e3767c86b6058a687abba51a15aa79be67260e8a8393"],"state_sha256":"f51dcba7d1886eac2495ea04215a5d6e6f7f4f0e225a365ff8a6e4b7994a1ac7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rgc3gJFbv8wGeCu/xBW3U/zclGOuGHRblFpN/5f8WKqkWC5oA2noHiz+KHHfU88fo43ooqRZawFFo3ayrp4GCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T00:56:18.147144Z","bundle_sha256":"f54da65766d4ec501f95752c05ec972a2b2ca75b450a675425e8828c690c4974"}}