{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:I6UZPZJTVV6ZSERBU6PCTYZ3EZ","short_pith_number":"pith:I6UZPZJT","canonical_record":{"source":{"id":"1202.2318","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-02-10T17:56:49Z","cross_cats_sorted":[],"title_canon_sha256":"7d839890770f0a61972232433892839c727f0daa08da75572c927b705c2d4eed","abstract_canon_sha256":"509fc81429b956adc3d198e02236a2b5bc76e4370a59b3c85261bb22cd112000"},"schema_version":"1.0"},"canonical_sha256":"47a997e533ad7d991221a79e29e33b2656241aba7cb88040536f89c74fa0b01d","source":{"kind":"arxiv","id":"1202.2318","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.2318","created_at":"2026-05-18T04:02:36Z"},{"alias_kind":"arxiv_version","alias_value":"1202.2318v1","created_at":"2026-05-18T04:02:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2318","created_at":"2026-05-18T04:02:36Z"},{"alias_kind":"pith_short_12","alias_value":"I6UZPZJTVV6Z","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"I6UZPZJTVV6ZSERB","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"I6UZPZJT","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:I6UZPZJTVV6ZSERBU6PCTYZ3EZ","target":"record","payload":{"canonical_record":{"source":{"id":"1202.2318","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-02-10T17:56:49Z","cross_cats_sorted":[],"title_canon_sha256":"7d839890770f0a61972232433892839c727f0daa08da75572c927b705c2d4eed","abstract_canon_sha256":"509fc81429b956adc3d198e02236a2b5bc76e4370a59b3c85261bb22cd112000"},"schema_version":"1.0"},"canonical_sha256":"47a997e533ad7d991221a79e29e33b2656241aba7cb88040536f89c74fa0b01d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:02:36.708418Z","signature_b64":"B1ogAP3m8UiiyIz6JjyrFtLJVdNO5pVmfrUW0GR21Kp23oGiHK/pYK7rcLp4pSpSVvTKl+sp2on41e4bHTY4BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"47a997e533ad7d991221a79e29e33b2656241aba7cb88040536f89c74fa0b01d","last_reissued_at":"2026-05-18T04:02:36.707803Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:02:36.707803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.2318","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":"2026-05-18T04:02:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AKHhrhoywN6YSne+MkMXowKTwpjHesYs5lMJFB1BHw8Kg83ago43sph8dxUC5oX90HZU6osViNhnTwjceSSACA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T12:15:43.868767Z"},"content_sha256":"4a841c9fdc4227753922ea53b9653063d2b75a7cb7a506b709c05bdea56d9e0e","schema_version":"1.0","event_id":"sha256:4a841c9fdc4227753922ea53b9653063d2b75a7cb7a506b709c05bdea56d9e0e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:I6UZPZJTVV6ZSERBU6PCTYZ3EZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detonation re-initiation mechanism following the Mach reflection of a quenched detonation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Geoffrey Maines, Logan Maley, Matei Ioan Radulescu, Rohit Bhattacharjee, Sebastien She Ming Lau-Chapdelaine","submitted_at":"2012-02-10T17:56:49Z","abstract_excerpt":"This experimental study addresses the re-initiation mechanism of detonation waves following the Mach reflection of a shock-flame complex. The detonation diffraction around a cylinder is used to reproducibly generate the shock-flame complex of interest. The experiments are performed in methane-oxygen. We use a novel experimental technique of coupling a two-in-line-spark flash system with a double-frame camera in order to obtain microsecond time resolution permitting accurate schlieren velocimetry. The first series of experiments compares the non-reactive sequence of shock reflections with the r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2318","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":"2026-05-18T04:02:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HfFmC0WLTxMjGlogZcLodveW93qswR42sOQXjgAIqMqHMJC9gCPR5gb/WjABApFIp/CtthygizdDrTtZtMRoAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T12:15:43.869104Z"},"content_sha256":"ac107f6f61105aed28c13b0704f91fb37acce532d8d46bd03b43f8e115a23117","schema_version":"1.0","event_id":"sha256:ac107f6f61105aed28c13b0704f91fb37acce532d8d46bd03b43f8e115a23117"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I6UZPZJTVV6ZSERBU6PCTYZ3EZ/bundle.json","state_url":"https://pith.science/pith/I6UZPZJTVV6ZSERBU6PCTYZ3EZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I6UZPZJTVV6ZSERBU6PCTYZ3EZ/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":"2026-07-02T12:15:43Z","links":{"resolver":"https://pith.science/pith/I6UZPZJTVV6ZSERBU6PCTYZ3EZ","bundle":"https://pith.science/pith/I6UZPZJTVV6ZSERBU6PCTYZ3EZ/bundle.json","state":"https://pith.science/pith/I6UZPZJTVV6ZSERBU6PCTYZ3EZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I6UZPZJTVV6ZSERBU6PCTYZ3EZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:I6UZPZJTVV6ZSERBU6PCTYZ3EZ","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":"509fc81429b956adc3d198e02236a2b5bc76e4370a59b3c85261bb22cd112000","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-02-10T17:56:49Z","title_canon_sha256":"7d839890770f0a61972232433892839c727f0daa08da75572c927b705c2d4eed"},"schema_version":"1.0","source":{"id":"1202.2318","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.2318","created_at":"2026-05-18T04:02:36Z"},{"alias_kind":"arxiv_version","alias_value":"1202.2318v1","created_at":"2026-05-18T04:02:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2318","created_at":"2026-05-18T04:02:36Z"},{"alias_kind":"pith_short_12","alias_value":"I6UZPZJTVV6Z","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"I6UZPZJTVV6ZSERB","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"I6UZPZJT","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:ac107f6f61105aed28c13b0704f91fb37acce532d8d46bd03b43f8e115a23117","target":"graph","created_at":"2026-05-18T04:02:36Z","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":"This experimental study addresses the re-initiation mechanism of detonation waves following the Mach reflection of a shock-flame complex. The detonation diffraction around a cylinder is used to reproducibly generate the shock-flame complex of interest. The experiments are performed in methane-oxygen. We use a novel experimental technique of coupling a two-in-line-spark flash system with a double-frame camera in order to obtain microsecond time resolution permitting accurate schlieren velocimetry. The first series of experiments compares the non-reactive sequence of shock reflections with the r","authors_text":"Geoffrey Maines, Logan Maley, Matei Ioan Radulescu, Rohit Bhattacharjee, Sebastien She Ming Lau-Chapdelaine","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-02-10T17:56:49Z","title":"Detonation re-initiation mechanism following the Mach reflection of a quenched detonation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2318","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":"sha256:4a841c9fdc4227753922ea53b9653063d2b75a7cb7a506b709c05bdea56d9e0e","target":"record","created_at":"2026-05-18T04:02:36Z","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":"509fc81429b956adc3d198e02236a2b5bc76e4370a59b3c85261bb22cd112000","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-02-10T17:56:49Z","title_canon_sha256":"7d839890770f0a61972232433892839c727f0daa08da75572c927b705c2d4eed"},"schema_version":"1.0","source":{"id":"1202.2318","kind":"arxiv","version":1}},"canonical_sha256":"47a997e533ad7d991221a79e29e33b2656241aba7cb88040536f89c74fa0b01d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"47a997e533ad7d991221a79e29e33b2656241aba7cb88040536f89c74fa0b01d","first_computed_at":"2026-05-18T04:02:36.707803Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:02:36.707803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B1ogAP3m8UiiyIz6JjyrFtLJVdNO5pVmfrUW0GR21Kp23oGiHK/pYK7rcLp4pSpSVvTKl+sp2on41e4bHTY4BA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:02:36.708418Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.2318","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4a841c9fdc4227753922ea53b9653063d2b75a7cb7a506b709c05bdea56d9e0e","sha256:ac107f6f61105aed28c13b0704f91fb37acce532d8d46bd03b43f8e115a23117"],"state_sha256":"bf74c28c1178e0e69efc4bcf7dbc8ee6da1f44f46ddd1ea44e5b9452d8020044"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JkqI7j393shPrqikeEKhS9z+WKHkLnSwyG6J3KA4Ev2GiPYICtEK7xg+kXEBdi7+NumHQ4sE/obIlzyU7IzEDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T12:15:43.870950Z","bundle_sha256":"664779c454c28b61e9cc1375c940821570213add884449ba2b9f5836b91114d6"}}