{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:7AUQDXE2NCL5ORYR4VRNWJ7NBW","short_pith_number":"pith:7AUQDXE2","canonical_record":{"source":{"id":"1605.09377","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-30T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"2b18cffc06ca236abc44cc0330c5810e22f4e2d36f0d95788ae64efac2f230bd","abstract_canon_sha256":"b8363b7851da1561ee4c1ebd8b688bd1f6dbf4108976b6aeb180893c16b76bbd"},"schema_version":"1.0"},"canonical_sha256":"f82901dc9a6897d74711e562db27ed0d957a659e3a757c66be48c25df2c046ee","source":{"kind":"arxiv","id":"1605.09377","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.09377","created_at":"2026-05-18T01:11:30Z"},{"alias_kind":"arxiv_version","alias_value":"1605.09377v1","created_at":"2026-05-18T01:11:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.09377","created_at":"2026-05-18T01:11:30Z"},{"alias_kind":"pith_short_12","alias_value":"7AUQDXE2NCL5","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7AUQDXE2NCL5ORYR","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7AUQDXE2","created_at":"2026-05-18T12:30:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:7AUQDXE2NCL5ORYR4VRNWJ7NBW","target":"record","payload":{"canonical_record":{"source":{"id":"1605.09377","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-30T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"2b18cffc06ca236abc44cc0330c5810e22f4e2d36f0d95788ae64efac2f230bd","abstract_canon_sha256":"b8363b7851da1561ee4c1ebd8b688bd1f6dbf4108976b6aeb180893c16b76bbd"},"schema_version":"1.0"},"canonical_sha256":"f82901dc9a6897d74711e562db27ed0d957a659e3a757c66be48c25df2c046ee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:30.508474Z","signature_b64":"vlhPmAwxTRKdlwN1e3kkTkfZxYmg/vWmJ4b2KLYf4zRVUrJAmWvLLfM8pzih/905UdvRFdqkNYUK9kPA6kw7Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f82901dc9a6897d74711e562db27ed0d957a659e3a757c66be48c25df2c046ee","last_reissued_at":"2026-05-18T01:11:30.508131Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:30.508131Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.09377","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":"2026-05-18T01:11:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3LhxPqBUE5pxTGe9D68raZLST8ZccMZhXEJOS1nigyGpH7VPXS9kqcpJ3XzEA6nwu1HwiWmErReAk7ujOzlgAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:58:35.056290Z"},"content_sha256":"703b59c4bf58f3f0ba9795ce1cf141144fa12a4a1f91ac0f23094374cdc50747","schema_version":"1.0","event_id":"sha256:703b59c4bf58f3f0ba9795ce1cf141144fa12a4a1f91ac0f23094374cdc50747"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:7AUQDXE2NCL5ORYR4VRNWJ7NBW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The radiation hydrodynamics of relativistic shear flows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Eric R. Coughlin, Mitchell C. Begelman","submitted_at":"2016-05-30T20:00:00Z","abstract_excerpt":"We present a method for analyzing the interaction between radiation and matter in regions of intense, relativistic shear that can arise in many astrophysical situations. We show that there is a simple velocity profile that should be manifested in regions of large shear that have \"lost memory\" of their boundary conditions, and we use this self-similar velocity profile to construct the surface of last scattering, or $\\tau \\simeq 1$ surface, as viewed from any comoving point within the flow. We demonstrate that a simple treatment of scattering from this $\\tau \\simeq 1$ surface exactly conserves p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.09377","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":"2026-05-18T01:11:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vlyHpnjbJPLADEF0wm0dPBjKBybU9cs5xiki71ADqHpVxR9/jae/zpKkIdT/MyiOWvvNSb3RODh0w78P6Mu9Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:58:35.056658Z"},"content_sha256":"9980e97b0c3000b7727c046e2aa36e56fa8d9c13264882271b25272c1373b9db","schema_version":"1.0","event_id":"sha256:9980e97b0c3000b7727c046e2aa36e56fa8d9c13264882271b25272c1373b9db"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7AUQDXE2NCL5ORYR4VRNWJ7NBW/bundle.json","state_url":"https://pith.science/pith/7AUQDXE2NCL5ORYR4VRNWJ7NBW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7AUQDXE2NCL5ORYR4VRNWJ7NBW/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":"2026-05-28T01:58:35Z","links":{"resolver":"https://pith.science/pith/7AUQDXE2NCL5ORYR4VRNWJ7NBW","bundle":"https://pith.science/pith/7AUQDXE2NCL5ORYR4VRNWJ7NBW/bundle.json","state":"https://pith.science/pith/7AUQDXE2NCL5ORYR4VRNWJ7NBW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7AUQDXE2NCL5ORYR4VRNWJ7NBW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:7AUQDXE2NCL5ORYR4VRNWJ7NBW","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":"b8363b7851da1561ee4c1ebd8b688bd1f6dbf4108976b6aeb180893c16b76bbd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-30T20:00:00Z","title_canon_sha256":"2b18cffc06ca236abc44cc0330c5810e22f4e2d36f0d95788ae64efac2f230bd"},"schema_version":"1.0","source":{"id":"1605.09377","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.09377","created_at":"2026-05-18T01:11:30Z"},{"alias_kind":"arxiv_version","alias_value":"1605.09377v1","created_at":"2026-05-18T01:11:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.09377","created_at":"2026-05-18T01:11:30Z"},{"alias_kind":"pith_short_12","alias_value":"7AUQDXE2NCL5","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7AUQDXE2NCL5ORYR","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7AUQDXE2","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:9980e97b0c3000b7727c046e2aa36e56fa8d9c13264882271b25272c1373b9db","target":"graph","created_at":"2026-05-18T01:11:30Z","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":"We present a method for analyzing the interaction between radiation and matter in regions of intense, relativistic shear that can arise in many astrophysical situations. We show that there is a simple velocity profile that should be manifested in regions of large shear that have \"lost memory\" of their boundary conditions, and we use this self-similar velocity profile to construct the surface of last scattering, or $\\tau \\simeq 1$ surface, as viewed from any comoving point within the flow. We demonstrate that a simple treatment of scattering from this $\\tau \\simeq 1$ surface exactly conserves p","authors_text":"Eric R. Coughlin, Mitchell C. Begelman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-30T20:00:00Z","title":"The radiation hydrodynamics of relativistic shear flows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.09377","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":"sha256:703b59c4bf58f3f0ba9795ce1cf141144fa12a4a1f91ac0f23094374cdc50747","target":"record","created_at":"2026-05-18T01:11:30Z","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":"b8363b7851da1561ee4c1ebd8b688bd1f6dbf4108976b6aeb180893c16b76bbd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-30T20:00:00Z","title_canon_sha256":"2b18cffc06ca236abc44cc0330c5810e22f4e2d36f0d95788ae64efac2f230bd"},"schema_version":"1.0","source":{"id":"1605.09377","kind":"arxiv","version":1}},"canonical_sha256":"f82901dc9a6897d74711e562db27ed0d957a659e3a757c66be48c25df2c046ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f82901dc9a6897d74711e562db27ed0d957a659e3a757c66be48c25df2c046ee","first_computed_at":"2026-05-18T01:11:30.508131Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:11:30.508131Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vlhPmAwxTRKdlwN1e3kkTkfZxYmg/vWmJ4b2KLYf4zRVUrJAmWvLLfM8pzih/905UdvRFdqkNYUK9kPA6kw7Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:11:30.508474Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.09377","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:703b59c4bf58f3f0ba9795ce1cf141144fa12a4a1f91ac0f23094374cdc50747","sha256:9980e97b0c3000b7727c046e2aa36e56fa8d9c13264882271b25272c1373b9db"],"state_sha256":"290aac700a9c83d2bb19239aa33136ba9238bf8c8d3af34e67c8dd54913f5e40"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P9TK+YGJuwUP9DP4nfASZsz46aHYhsJKz470UFIqTWng2u4g7fh5H3JuI3irBRFgdA4khp6X/Ytkf5Gr2vu3BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T01:58:35.058720Z","bundle_sha256":"1daf493082f6283dea5cebd0da5bd25aed6a53cf38c24206b6afa628634faf21"}}