{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:O463CKT5I6K63R4XNHEIGMNXBO","short_pith_number":"pith:O463CKT5","canonical_record":{"source":{"id":"1011.6005","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-27T23:00:44Z","cross_cats_sorted":[],"title_canon_sha256":"239f34f62d96f918af85550eaa0608e9d7463b23a63bbc42ac3136c194018729","abstract_canon_sha256":"5ea4a60c92d9fed5864cd2e7a71b6302e948e166a0fc450ca253684a16889fe4"},"schema_version":"1.0"},"canonical_sha256":"773db12a7d4795edc79769c88331b70bb9a9a0a2c9fa01765fac026ea23a061c","source":{"kind":"arxiv","id":"1011.6005","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.6005","created_at":"2026-05-18T02:04:38Z"},{"alias_kind":"arxiv_version","alias_value":"1011.6005v2","created_at":"2026-05-18T02:04:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.6005","created_at":"2026-05-18T02:04:38Z"},{"alias_kind":"pith_short_12","alias_value":"O463CKT5I6K6","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"O463CKT5I6K63R4X","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"O463CKT5","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:O463CKT5I6K63R4XNHEIGMNXBO","target":"record","payload":{"canonical_record":{"source":{"id":"1011.6005","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-27T23:00:44Z","cross_cats_sorted":[],"title_canon_sha256":"239f34f62d96f918af85550eaa0608e9d7463b23a63bbc42ac3136c194018729","abstract_canon_sha256":"5ea4a60c92d9fed5864cd2e7a71b6302e948e166a0fc450ca253684a16889fe4"},"schema_version":"1.0"},"canonical_sha256":"773db12a7d4795edc79769c88331b70bb9a9a0a2c9fa01765fac026ea23a061c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:38.266057Z","signature_b64":"qPRbs1htx8FCYpyYcmedfLiRjmcNh7yvpb/0ptnF1rU7ODQoBS3rsd7wG+DVzD50EUhmEx2Pa+GKtkM7rbGxCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"773db12a7d4795edc79769c88331b70bb9a9a0a2c9fa01765fac026ea23a061c","last_reissued_at":"2026-05-18T02:04:38.265221Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:38.265221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.6005","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":"2026-05-18T02:04:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1gyR4qsdP3UV6lwrGHh/uQJT+NeRSmo9PhjbdndgzJlKCwRPqIpEUSklDpzzsIXU/MdJ+wyEKk/1iJGFr7aBCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T23:17:55.875742Z"},"content_sha256":"dfdb8c99ec4a8d670581452d4d09f1efd59f92169784372cbcda846d563c0668","schema_version":"1.0","event_id":"sha256:dfdb8c99ec4a8d670581452d4d09f1efd59f92169784372cbcda846d563c0668"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:O463CKT5I6K63R4XNHEIGMNXBO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radiative transfer in ultra-relativistic outflows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Andrei M. Beloborodov (Columbia University)","submitted_at":"2010-11-27T23:00:44Z","abstract_excerpt":"Analytical and numerical solutions are obtained for the equation of radiative transfer in ultra-relativistic opaque jets. The solution describes the initial trapping of radiation, its adiabatic cooling, and the transition to transparency. Two opposite regimes are examined: (1) Matter-dominated outflow. Surprisingly, radiation develops enormous anisotropy in the fluid frame before decoupling from the fluid. The radiation is strongly polarized. (2) Radiation-dominated outflow. The transfer occurs as if radiation propagated in vacuum, preserving the angular distribution and the blackbody shape of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.6005","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":"2026-05-18T02:04:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l+OPEyEU/mX+FhAjp4jOFvaW+ScXAX9XIQd7S4DlHfNqdxAWyLTHQf2PRTiEjw5Gul0lkgnSImDGdnODYcBuBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T23:17:55.876086Z"},"content_sha256":"264cad358aa0787ed38f71bd2e6c58dc83e1798b64f92ae6484189ea5887ec56","schema_version":"1.0","event_id":"sha256:264cad358aa0787ed38f71bd2e6c58dc83e1798b64f92ae6484189ea5887ec56"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O463CKT5I6K63R4XNHEIGMNXBO/bundle.json","state_url":"https://pith.science/pith/O463CKT5I6K63R4XNHEIGMNXBO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O463CKT5I6K63R4XNHEIGMNXBO/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":"2026-06-27T23:17:55Z","links":{"resolver":"https://pith.science/pith/O463CKT5I6K63R4XNHEIGMNXBO","bundle":"https://pith.science/pith/O463CKT5I6K63R4XNHEIGMNXBO/bundle.json","state":"https://pith.science/pith/O463CKT5I6K63R4XNHEIGMNXBO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O463CKT5I6K63R4XNHEIGMNXBO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:O463CKT5I6K63R4XNHEIGMNXBO","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":"5ea4a60c92d9fed5864cd2e7a71b6302e948e166a0fc450ca253684a16889fe4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-27T23:00:44Z","title_canon_sha256":"239f34f62d96f918af85550eaa0608e9d7463b23a63bbc42ac3136c194018729"},"schema_version":"1.0","source":{"id":"1011.6005","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.6005","created_at":"2026-05-18T02:04:38Z"},{"alias_kind":"arxiv_version","alias_value":"1011.6005v2","created_at":"2026-05-18T02:04:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.6005","created_at":"2026-05-18T02:04:38Z"},{"alias_kind":"pith_short_12","alias_value":"O463CKT5I6K6","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"O463CKT5I6K63R4X","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"O463CKT5","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:264cad358aa0787ed38f71bd2e6c58dc83e1798b64f92ae6484189ea5887ec56","target":"graph","created_at":"2026-05-18T02:04:38Z","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":"Analytical and numerical solutions are obtained for the equation of radiative transfer in ultra-relativistic opaque jets. The solution describes the initial trapping of radiation, its adiabatic cooling, and the transition to transparency. Two opposite regimes are examined: (1) Matter-dominated outflow. Surprisingly, radiation develops enormous anisotropy in the fluid frame before decoupling from the fluid. The radiation is strongly polarized. (2) Radiation-dominated outflow. The transfer occurs as if radiation propagated in vacuum, preserving the angular distribution and the blackbody shape of","authors_text":"Andrei M. Beloborodov (Columbia University)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-27T23:00:44Z","title":"Radiative transfer in ultra-relativistic outflows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.6005","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:dfdb8c99ec4a8d670581452d4d09f1efd59f92169784372cbcda846d563c0668","target":"record","created_at":"2026-05-18T02:04:38Z","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":"5ea4a60c92d9fed5864cd2e7a71b6302e948e166a0fc450ca253684a16889fe4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-27T23:00:44Z","title_canon_sha256":"239f34f62d96f918af85550eaa0608e9d7463b23a63bbc42ac3136c194018729"},"schema_version":"1.0","source":{"id":"1011.6005","kind":"arxiv","version":2}},"canonical_sha256":"773db12a7d4795edc79769c88331b70bb9a9a0a2c9fa01765fac026ea23a061c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"773db12a7d4795edc79769c88331b70bb9a9a0a2c9fa01765fac026ea23a061c","first_computed_at":"2026-05-18T02:04:38.265221Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:38.265221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qPRbs1htx8FCYpyYcmedfLiRjmcNh7yvpb/0ptnF1rU7ODQoBS3rsd7wG+DVzD50EUhmEx2Pa+GKtkM7rbGxCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:38.266057Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.6005","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dfdb8c99ec4a8d670581452d4d09f1efd59f92169784372cbcda846d563c0668","sha256:264cad358aa0787ed38f71bd2e6c58dc83e1798b64f92ae6484189ea5887ec56"],"state_sha256":"39a37b0e64f9c347d3146344dfd46fbca151e3d261f530442629f2efc7b83696"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I11IjEQvUbwYiGS6pF6CrqB7bNNS9LFffXTug4B65M+MZsbx3rN3ZfNlAa8y6AErr2fzk3UNc6hdq+a7wW6rAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T23:17:55.877965Z","bundle_sha256":"cb20441e3411a0febef103d0551549476991e30671d982251b6f75934033c702"}}