{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:ATI3MWIJS4CGP2XC3RW6AHGHZA","short_pith_number":"pith:ATI3MWIJ","canonical_record":{"source":{"id":"1807.06603","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-17T18:00:08Z","cross_cats_sorted":[],"title_canon_sha256":"63b271ad4372b0ed0db2b887470f3998e3fc808e1b01c9b123877ccb2b25b6b9","abstract_canon_sha256":"89481c737fbea519a8cfd290262504951200533afb78b674f19a2920de440162"},"schema_version":"1.0"},"canonical_sha256":"04d1b65909970467eae2dc6de01cc7c81ec431adba830157fb5dd7d112132d38","source":{"kind":"arxiv","id":"1807.06603","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.06603","created_at":"2026-05-18T00:03:15Z"},{"alias_kind":"arxiv_version","alias_value":"1807.06603v2","created_at":"2026-05-18T00:03:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.06603","created_at":"2026-05-18T00:03:15Z"},{"alias_kind":"pith_short_12","alias_value":"ATI3MWIJS4CG","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"ATI3MWIJS4CGP2XC","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"ATI3MWIJ","created_at":"2026-05-18T12:32:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:ATI3MWIJS4CGP2XC3RW6AHGHZA","target":"record","payload":{"canonical_record":{"source":{"id":"1807.06603","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-17T18:00:08Z","cross_cats_sorted":[],"title_canon_sha256":"63b271ad4372b0ed0db2b887470f3998e3fc808e1b01c9b123877ccb2b25b6b9","abstract_canon_sha256":"89481c737fbea519a8cfd290262504951200533afb78b674f19a2920de440162"},"schema_version":"1.0"},"canonical_sha256":"04d1b65909970467eae2dc6de01cc7c81ec431adba830157fb5dd7d112132d38","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:15.816141Z","signature_b64":"sWcZcXPI8hiVmnss+oC2D3chIocpZIkECPWav3SO9gPtjjdOwoBd1UkrJqxkQDpCpXDgQWucq9XZni2Lj+AjDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"04d1b65909970467eae2dc6de01cc7c81ec431adba830157fb5dd7d112132d38","last_reissued_at":"2026-05-18T00:03:15.815591Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:15.815591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.06603","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":"2026-05-18T00:03:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P53/f8hIiVBvPx43rLZ0BHpO6K9R9hIV13uPPl2tByYy/pTdm0B3M94jK9leP0GouKu3PExpemDiv+1UGkD1Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T18:53:08.018739Z"},"content_sha256":"b33e6e192cfac3b2288c9357c274d4826015ae7948cc016506b746ec2e5eaddd","schema_version":"1.0","event_id":"sha256:b33e6e192cfac3b2288c9357c274d4826015ae7948cc016506b746ec2e5eaddd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:ATI3MWIJS4CGP2XC3RW6AHGHZA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Numerical simulations of supernova remnants in turbulent molecular clouds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Dong Zhang, Roger A. Chevalier","submitted_at":"2018-07-17T18:00:08Z","abstract_excerpt":"Core-collapse supernova (SN) explosions may occur in the highly inhomogeneous molecular clouds (MCs) in which their progenitors were born. We perform a series of 3-dimensional hydrodynamic simulations to model the interaction between an individual supernova remnant (SNR) and a turbulent MC medium, in order to investigate possible observational evidence for the turbulent structure of MCs. We find that the properties of SNRs are mainly controlled by the mean density of the surrounding medium, while a SNR in a more turbulent medium with higher supersonic turbulent Mach number shows lower interior"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.06603","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":"2026-05-18T00:03:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FApyefG+gBf6y68THAtgBY+MTDtkYHok6SxGvQbbI0GiIdbJy+gcJTuD49+HB+zOG1JQ4ViHUEYt4/cDqpzQBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T18:53:08.019146Z"},"content_sha256":"775dd40331283bb4f31427d5e6633a6db41c97e6a647c04bceb473f12265f4f9","schema_version":"1.0","event_id":"sha256:775dd40331283bb4f31427d5e6633a6db41c97e6a647c04bceb473f12265f4f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ATI3MWIJS4CGP2XC3RW6AHGHZA/bundle.json","state_url":"https://pith.science/pith/ATI3MWIJS4CGP2XC3RW6AHGHZA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ATI3MWIJS4CGP2XC3RW6AHGHZA/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":"2026-05-18T18:53:08Z","links":{"resolver":"https://pith.science/pith/ATI3MWIJS4CGP2XC3RW6AHGHZA","bundle":"https://pith.science/pith/ATI3MWIJS4CGP2XC3RW6AHGHZA/bundle.json","state":"https://pith.science/pith/ATI3MWIJS4CGP2XC3RW6AHGHZA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ATI3MWIJS4CGP2XC3RW6AHGHZA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ATI3MWIJS4CGP2XC3RW6AHGHZA","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":"89481c737fbea519a8cfd290262504951200533afb78b674f19a2920de440162","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-17T18:00:08Z","title_canon_sha256":"63b271ad4372b0ed0db2b887470f3998e3fc808e1b01c9b123877ccb2b25b6b9"},"schema_version":"1.0","source":{"id":"1807.06603","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.06603","created_at":"2026-05-18T00:03:15Z"},{"alias_kind":"arxiv_version","alias_value":"1807.06603v2","created_at":"2026-05-18T00:03:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.06603","created_at":"2026-05-18T00:03:15Z"},{"alias_kind":"pith_short_12","alias_value":"ATI3MWIJS4CG","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"ATI3MWIJS4CGP2XC","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"ATI3MWIJ","created_at":"2026-05-18T12:32:13Z"}],"graph_snapshots":[{"event_id":"sha256:775dd40331283bb4f31427d5e6633a6db41c97e6a647c04bceb473f12265f4f9","target":"graph","created_at":"2026-05-18T00:03:15Z","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":"Core-collapse supernova (SN) explosions may occur in the highly inhomogeneous molecular clouds (MCs) in which their progenitors were born. We perform a series of 3-dimensional hydrodynamic simulations to model the interaction between an individual supernova remnant (SNR) and a turbulent MC medium, in order to investigate possible observational evidence for the turbulent structure of MCs. We find that the properties of SNRs are mainly controlled by the mean density of the surrounding medium, while a SNR in a more turbulent medium with higher supersonic turbulent Mach number shows lower interior","authors_text":"Dong Zhang, Roger A. Chevalier","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-17T18:00:08Z","title":"Numerical simulations of supernova remnants in turbulent molecular clouds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.06603","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:b33e6e192cfac3b2288c9357c274d4826015ae7948cc016506b746ec2e5eaddd","target":"record","created_at":"2026-05-18T00:03:15Z","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":"89481c737fbea519a8cfd290262504951200533afb78b674f19a2920de440162","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-17T18:00:08Z","title_canon_sha256":"63b271ad4372b0ed0db2b887470f3998e3fc808e1b01c9b123877ccb2b25b6b9"},"schema_version":"1.0","source":{"id":"1807.06603","kind":"arxiv","version":2}},"canonical_sha256":"04d1b65909970467eae2dc6de01cc7c81ec431adba830157fb5dd7d112132d38","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"04d1b65909970467eae2dc6de01cc7c81ec431adba830157fb5dd7d112132d38","first_computed_at":"2026-05-18T00:03:15.815591Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:15.815591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sWcZcXPI8hiVmnss+oC2D3chIocpZIkECPWav3SO9gPtjjdOwoBd1UkrJqxkQDpCpXDgQWucq9XZni2Lj+AjDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:15.816141Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.06603","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b33e6e192cfac3b2288c9357c274d4826015ae7948cc016506b746ec2e5eaddd","sha256:775dd40331283bb4f31427d5e6633a6db41c97e6a647c04bceb473f12265f4f9"],"state_sha256":"a867f7f81b8eab3ba670e90304512fae4a1e9596f5200fb77f76bb0caaee83f6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p8YJ94yWKuWPm5Xepb2yIsW8Gu5VMac8zLn04Xomr9MS3J6lcUBNfpAHWXyZDpyRm7gomvFS/JhRQDJQzor3Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T18:53:08.021121Z","bundle_sha256":"2d742f6482c1bb09428f1ff3887242b3b2c84861d55acd9795021e409f7cae3a"}}