{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:A4VY6DYTZYRGUYPO2BBDCTMGQO","short_pith_number":"pith:A4VY6DYT","canonical_record":{"source":{"id":"1005.3966","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-05-21T14:03:37Z","cross_cats_sorted":[],"title_canon_sha256":"12e3e87b42798e51d2cff75c258a81a06485c004bec9208ac17251e17e55de59","abstract_canon_sha256":"0e0e941cdf2e35fc4278198452dbf8b56dc73b522674cb7bf3e3bb314e83672c"},"schema_version":"1.0"},"canonical_sha256":"072b8f0f13ce226a61eed042314d8683a6809ead6bb4d87e4f2c6e6da6243f5c","source":{"kind":"arxiv","id":"1005.3966","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.3966","created_at":"2026-05-18T02:07:15Z"},{"alias_kind":"arxiv_version","alias_value":"1005.3966v1","created_at":"2026-05-18T02:07:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.3966","created_at":"2026-05-18T02:07:15Z"},{"alias_kind":"pith_short_12","alias_value":"A4VY6DYTZYRG","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"A4VY6DYTZYRGUYPO","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"A4VY6DYT","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:A4VY6DYTZYRGUYPO2BBDCTMGQO","target":"record","payload":{"canonical_record":{"source":{"id":"1005.3966","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-05-21T14:03:37Z","cross_cats_sorted":[],"title_canon_sha256":"12e3e87b42798e51d2cff75c258a81a06485c004bec9208ac17251e17e55de59","abstract_canon_sha256":"0e0e941cdf2e35fc4278198452dbf8b56dc73b522674cb7bf3e3bb314e83672c"},"schema_version":"1.0"},"canonical_sha256":"072b8f0f13ce226a61eed042314d8683a6809ead6bb4d87e4f2c6e6da6243f5c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:15.732917Z","signature_b64":"uUnf0hZvXS/dg7sR3qy7lXaJVnGigYezMPisSiXCqNyY3WUBL1qzIuMVNM2K778AIrGtbGwvxFnGAoZ3ee1LAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"072b8f0f13ce226a61eed042314d8683a6809ead6bb4d87e4f2c6e6da6243f5c","last_reissued_at":"2026-05-18T02:07:15.732243Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:15.732243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1005.3966","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":"2026-05-18T02:07:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/g3dubRwjbwSwkf2j3jNcxkua8aD5LVyu4Qi3SCNqBmx8W3ZvowrUjsUnQV0WEK0pUXr1k07IfO00xipFBiaBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:00:39.475308Z"},"content_sha256":"e123a989c12db6871ce98de6a268201096815f50378b3f6a08d733f90ade50ef","schema_version":"1.0","event_id":"sha256:e123a989c12db6871ce98de6a268201096815f50378b3f6a08d733f90ade50ef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:A4VY6DYTZYRGUYPO2BBDCTMGQO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Jet simulations and Gamma-ray burst afterglow jet breaks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"H.J. van Eerten, R.A.M.J. Wijers, R. Keppens, Z. Meliani","submitted_at":"2010-05-21T14:03:37Z","abstract_excerpt":"The conventional derivation of the gamma-ray burst afterglow jet break time uses only the blast wave fluid Lorentz factor and therefore leads to an achromatic break. We show that in general gamma-ray burst afterglow jet breaks are chromatic across the self-absorption break. Depending on circumstances, the radio jet break may be postponed significantly. Using high-accuracy adaptive mesh fluid simulations in one dimension, coupled to a detailed synchrotron radiation code, we demonstrate that this is true even for the standard fireball model and hard-edged jets. We confirm these effects with a si"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.3966","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":"2026-05-18T02:07:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZHKl7IjViJxmRZMGTrOz9kiCZD1rNspivimJHe26fvfgQtRinBpNdWGfzYMauNtOKYLNqp92TJfxjcslRVCACA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:00:39.475702Z"},"content_sha256":"c0335c9ea1989765b79dc87ca82a4c2ff81214de572bcc6a3ce0176bb4bfeb49","schema_version":"1.0","event_id":"sha256:c0335c9ea1989765b79dc87ca82a4c2ff81214de572bcc6a3ce0176bb4bfeb49"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A4VY6DYTZYRGUYPO2BBDCTMGQO/bundle.json","state_url":"https://pith.science/pith/A4VY6DYTZYRGUYPO2BBDCTMGQO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A4VY6DYTZYRGUYPO2BBDCTMGQO/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":"2026-05-31T08:00:39Z","links":{"resolver":"https://pith.science/pith/A4VY6DYTZYRGUYPO2BBDCTMGQO","bundle":"https://pith.science/pith/A4VY6DYTZYRGUYPO2BBDCTMGQO/bundle.json","state":"https://pith.science/pith/A4VY6DYTZYRGUYPO2BBDCTMGQO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A4VY6DYTZYRGUYPO2BBDCTMGQO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:A4VY6DYTZYRGUYPO2BBDCTMGQO","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":"0e0e941cdf2e35fc4278198452dbf8b56dc73b522674cb7bf3e3bb314e83672c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-05-21T14:03:37Z","title_canon_sha256":"12e3e87b42798e51d2cff75c258a81a06485c004bec9208ac17251e17e55de59"},"schema_version":"1.0","source":{"id":"1005.3966","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.3966","created_at":"2026-05-18T02:07:15Z"},{"alias_kind":"arxiv_version","alias_value":"1005.3966v1","created_at":"2026-05-18T02:07:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.3966","created_at":"2026-05-18T02:07:15Z"},{"alias_kind":"pith_short_12","alias_value":"A4VY6DYTZYRG","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"A4VY6DYTZYRGUYPO","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"A4VY6DYT","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:c0335c9ea1989765b79dc87ca82a4c2ff81214de572bcc6a3ce0176bb4bfeb49","target":"graph","created_at":"2026-05-18T02:07:15Z","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":"The conventional derivation of the gamma-ray burst afterglow jet break time uses only the blast wave fluid Lorentz factor and therefore leads to an achromatic break. We show that in general gamma-ray burst afterglow jet breaks are chromatic across the self-absorption break. Depending on circumstances, the radio jet break may be postponed significantly. Using high-accuracy adaptive mesh fluid simulations in one dimension, coupled to a detailed synchrotron radiation code, we demonstrate that this is true even for the standard fireball model and hard-edged jets. We confirm these effects with a si","authors_text":"H.J. van Eerten, R.A.M.J. Wijers, R. Keppens, Z. Meliani","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-05-21T14:03:37Z","title":"Jet simulations and Gamma-ray burst afterglow jet breaks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.3966","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:e123a989c12db6871ce98de6a268201096815f50378b3f6a08d733f90ade50ef","target":"record","created_at":"2026-05-18T02:07:15Z","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":"0e0e941cdf2e35fc4278198452dbf8b56dc73b522674cb7bf3e3bb314e83672c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-05-21T14:03:37Z","title_canon_sha256":"12e3e87b42798e51d2cff75c258a81a06485c004bec9208ac17251e17e55de59"},"schema_version":"1.0","source":{"id":"1005.3966","kind":"arxiv","version":1}},"canonical_sha256":"072b8f0f13ce226a61eed042314d8683a6809ead6bb4d87e4f2c6e6da6243f5c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"072b8f0f13ce226a61eed042314d8683a6809ead6bb4d87e4f2c6e6da6243f5c","first_computed_at":"2026-05-18T02:07:15.732243Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:07:15.732243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uUnf0hZvXS/dg7sR3qy7lXaJVnGigYezMPisSiXCqNyY3WUBL1qzIuMVNM2K778AIrGtbGwvxFnGAoZ3ee1LAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:07:15.732917Z","signed_message":"canonical_sha256_bytes"},"source_id":"1005.3966","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e123a989c12db6871ce98de6a268201096815f50378b3f6a08d733f90ade50ef","sha256:c0335c9ea1989765b79dc87ca82a4c2ff81214de572bcc6a3ce0176bb4bfeb49"],"state_sha256":"f872d1a979ccdeee2dd47072772fbc16196d6b08204e9de0a9ba1609a7c275b5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LFy6BPlX13rnamclwViy9iqjIPSx6guXXIgdp7tDVAZY9Eu3oktiIqzNx9dQCFjUIl9Bi18NItYMst5mKb+7Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T08:00:39.479439Z","bundle_sha256":"d4d0501d1df4d27926b2956f159b84908e9c50130827ef7f71d8c6edc6104590"}}