{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:QK4PM3HCT2F6R4ZOOJGXHORASI","short_pith_number":"pith:QK4PM3HC","canonical_record":{"source":{"id":"1309.7479","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-09-28T17:08:31Z","cross_cats_sorted":[],"title_canon_sha256":"d42267b440792fab5e889f2b88554c9c43ba39f1e8468eb2d895276a025d0656","abstract_canon_sha256":"8b8555399fdf32d28e98cab51b84e0b3255ce74ea96570ad70a0a11f6ed04d39"},"schema_version":"1.0"},"canonical_sha256":"82b8f66ce29e8be8f32e724d73ba2092119f019a641178499c8662d84670c1c0","source":{"kind":"arxiv","id":"1309.7479","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.7479","created_at":"2026-05-18T01:47:25Z"},{"alias_kind":"arxiv_version","alias_value":"1309.7479v1","created_at":"2026-05-18T01:47:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.7479","created_at":"2026-05-18T01:47:25Z"},{"alias_kind":"pith_short_12","alias_value":"QK4PM3HCT2F6","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QK4PM3HCT2F6R4ZO","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QK4PM3HC","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:QK4PM3HCT2F6R4ZOOJGXHORASI","target":"record","payload":{"canonical_record":{"source":{"id":"1309.7479","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-09-28T17:08:31Z","cross_cats_sorted":[],"title_canon_sha256":"d42267b440792fab5e889f2b88554c9c43ba39f1e8468eb2d895276a025d0656","abstract_canon_sha256":"8b8555399fdf32d28e98cab51b84e0b3255ce74ea96570ad70a0a11f6ed04d39"},"schema_version":"1.0"},"canonical_sha256":"82b8f66ce29e8be8f32e724d73ba2092119f019a641178499c8662d84670c1c0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:25.052078Z","signature_b64":"RZaqaKCcVn0Bz5OvCUFx+GiwJl+7Po6Brafqz86WguL8zFZRcmrjQ5yLxeJSTxk/BI4S8EI7X8NLBgR38SpACA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"82b8f66ce29e8be8f32e724d73ba2092119f019a641178499c8662d84670c1c0","last_reissued_at":"2026-05-18T01:47:25.051391Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:25.051391Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.7479","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":"2026-05-18T01:47:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"If4P2caextZRsIoZWOHrPXpAkulr28u9F1DqTvXCIdg7qlo8u96sZdUeNMmr7a8t4lePvo32oHEbHfFSxAWGAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T17:43:48.609728Z"},"content_sha256":"cea47170501bb644742a35adf728763b17b68b38d154a808905179e6e16a9523","schema_version":"1.0","event_id":"sha256:cea47170501bb644742a35adf728763b17b68b38d154a808905179e6e16a9523"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:QK4PM3HCT2F6R4ZOOJGXHORASI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Short GRB 130603B: Discovery of a jet break in the optical and radio afterglows, and a mysterious late-time X-ray excess","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Anne M. Hedlund, B. Ashley Zauderer, Brian D. Metzger, Claire M. Dickey, Edo Berger, Giulia Migliori, Karen J. Meech, Paul Harding, Raffaella Margutti, Ragnhild Lunnan, Ryan Chornock, Ryan J. Foley, Sarah Sonnett, Steven J. Desch, Tanmoy Laskar, Wen-fai Fong","submitted_at":"2013-09-28T17:08:31Z","abstract_excerpt":"We present radio, optical/NIR, and X-ray observations of the afterglow of the short-duration 130603B, and uncover a break in the radio and optical bands at 0.5 d after the burst, best explained as a jet break with an inferred jet opening angle of 4-8 deg. GRB 130603B is only the third short GRB with a radio afterglow detection to date, and the first time that a jet break is evident in the radio band. We model the temporal evolution of the spectral energy distribution to determine the burst explosion properties and find an isotropic-equivalent kinetic energy of (0.6-1.7) x 10^51 erg and a circu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.7479","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":"2026-05-18T01:47:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ufBJmdw/xzA5Nlps1+zHrhhsvPwnFLdNxX9+yKOJdjZBDTE+t0uy0sGLkjqwigsB/rtvsV/4wRX7chN76ShVCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T17:43:48.610276Z"},"content_sha256":"9a23a9ca16c5a362235dabc79f3ee10f9663e56353248099c7c00b1b3620ad04","schema_version":"1.0","event_id":"sha256:9a23a9ca16c5a362235dabc79f3ee10f9663e56353248099c7c00b1b3620ad04"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QK4PM3HCT2F6R4ZOOJGXHORASI/bundle.json","state_url":"https://pith.science/pith/QK4PM3HCT2F6R4ZOOJGXHORASI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QK4PM3HCT2F6R4ZOOJGXHORASI/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":"2026-06-04T17:43:48Z","links":{"resolver":"https://pith.science/pith/QK4PM3HCT2F6R4ZOOJGXHORASI","bundle":"https://pith.science/pith/QK4PM3HCT2F6R4ZOOJGXHORASI/bundle.json","state":"https://pith.science/pith/QK4PM3HCT2F6R4ZOOJGXHORASI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QK4PM3HCT2F6R4ZOOJGXHORASI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:QK4PM3HCT2F6R4ZOOJGXHORASI","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":"8b8555399fdf32d28e98cab51b84e0b3255ce74ea96570ad70a0a11f6ed04d39","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-09-28T17:08:31Z","title_canon_sha256":"d42267b440792fab5e889f2b88554c9c43ba39f1e8468eb2d895276a025d0656"},"schema_version":"1.0","source":{"id":"1309.7479","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.7479","created_at":"2026-05-18T01:47:25Z"},{"alias_kind":"arxiv_version","alias_value":"1309.7479v1","created_at":"2026-05-18T01:47:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.7479","created_at":"2026-05-18T01:47:25Z"},{"alias_kind":"pith_short_12","alias_value":"QK4PM3HCT2F6","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QK4PM3HCT2F6R4ZO","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QK4PM3HC","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:9a23a9ca16c5a362235dabc79f3ee10f9663e56353248099c7c00b1b3620ad04","target":"graph","created_at":"2026-05-18T01:47:25Z","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 radio, optical/NIR, and X-ray observations of the afterglow of the short-duration 130603B, and uncover a break in the radio and optical bands at 0.5 d after the burst, best explained as a jet break with an inferred jet opening angle of 4-8 deg. GRB 130603B is only the third short GRB with a radio afterglow detection to date, and the first time that a jet break is evident in the radio band. We model the temporal evolution of the spectral energy distribution to determine the burst explosion properties and find an isotropic-equivalent kinetic energy of (0.6-1.7) x 10^51 erg and a circu","authors_text":"Anne M. Hedlund, B. Ashley Zauderer, Brian D. Metzger, Claire M. Dickey, Edo Berger, Giulia Migliori, Karen J. Meech, Paul Harding, Raffaella Margutti, Ragnhild Lunnan, Ryan Chornock, Ryan J. Foley, Sarah Sonnett, Steven J. Desch, Tanmoy Laskar, Wen-fai Fong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-09-28T17:08:31Z","title":"Short GRB 130603B: Discovery of a jet break in the optical and radio afterglows, and a mysterious late-time X-ray excess"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.7479","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:cea47170501bb644742a35adf728763b17b68b38d154a808905179e6e16a9523","target":"record","created_at":"2026-05-18T01:47:25Z","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":"8b8555399fdf32d28e98cab51b84e0b3255ce74ea96570ad70a0a11f6ed04d39","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-09-28T17:08:31Z","title_canon_sha256":"d42267b440792fab5e889f2b88554c9c43ba39f1e8468eb2d895276a025d0656"},"schema_version":"1.0","source":{"id":"1309.7479","kind":"arxiv","version":1}},"canonical_sha256":"82b8f66ce29e8be8f32e724d73ba2092119f019a641178499c8662d84670c1c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82b8f66ce29e8be8f32e724d73ba2092119f019a641178499c8662d84670c1c0","first_computed_at":"2026-05-18T01:47:25.051391Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:25.051391Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RZaqaKCcVn0Bz5OvCUFx+GiwJl+7Po6Brafqz86WguL8zFZRcmrjQ5yLxeJSTxk/BI4S8EI7X8NLBgR38SpACA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:25.052078Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.7479","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cea47170501bb644742a35adf728763b17b68b38d154a808905179e6e16a9523","sha256:9a23a9ca16c5a362235dabc79f3ee10f9663e56353248099c7c00b1b3620ad04"],"state_sha256":"aa2d7ad8fc3f0e152e2562d184de911aa6da56d6bdeaa449c2da55020b8a3b2a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z8P+DQ3D+7tHk04gleS1QNGPm2XXvO8fk/TARgJ0YHFs/wO6slS2d81eoWEw3lQsbNhrxUsn1h/rUi1UrU6cCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T17:43:48.613036Z","bundle_sha256":"81a1239732fc1c1acff35941bafe3a0a46d905cb33af170602b4b8a289ed64e6"}}