{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:T53FRAXHBW4VDU2TA3S6ASSP6G","short_pith_number":"pith:T53FRAXH","canonical_record":{"source":{"id":"1411.7368","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-11-26T20:50:43Z","cross_cats_sorted":[],"title_canon_sha256":"3d8a4b95db88c3c2d62970358fd90b8eebed57f45000c5a5e842d59302dbd6a5","abstract_canon_sha256":"9a2c43525a54dc5201c580eb4d660ba75e56e458d27b53718e7f9366d5089032"},"schema_version":"1.0"},"canonical_sha256":"9f765882e70db951d35306e5e04a4ff19e36df50015a8d1625b7cf9e82ab44d2","source":{"kind":"arxiv","id":"1411.7368","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.7368","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"arxiv_version","alias_value":"1411.7368v3","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.7368","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"pith_short_12","alias_value":"T53FRAXHBW4V","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"T53FRAXHBW4VDU2T","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"T53FRAXH","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:T53FRAXHBW4VDU2TA3S6ASSP6G","target":"record","payload":{"canonical_record":{"source":{"id":"1411.7368","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-11-26T20:50:43Z","cross_cats_sorted":[],"title_canon_sha256":"3d8a4b95db88c3c2d62970358fd90b8eebed57f45000c5a5e842d59302dbd6a5","abstract_canon_sha256":"9a2c43525a54dc5201c580eb4d660ba75e56e458d27b53718e7f9366d5089032"},"schema_version":"1.0"},"canonical_sha256":"9f765882e70db951d35306e5e04a4ff19e36df50015a8d1625b7cf9e82ab44d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:48.986885Z","signature_b64":"5GEqTwx18I3H7kAIrqDLwv6xau4sagdy6pX1wJXak4v87KvUIWdLVS2xVDS2HyWeZ6eJVd5w4mDYokJzwFWZBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f765882e70db951d35306e5e04a4ff19e36df50015a8d1625b7cf9e82ab44d2","last_reissued_at":"2026-05-18T01:33:48.986017Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:48.986017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.7368","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:33:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tCdH0c0V6UJZYiy9hFYeoAoguOGgmG/dvfvt15NxW5cHeUAnH6qy4cgiR45Xtq9tKcGzpqWPTL+4KN3HqvYnCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:22:46.731518Z"},"content_sha256":"b1caf0c30d3d9b0a71e8db01e5536abef9a137ae909a51186d22b5e34e2a53a9","schema_version":"1.0","event_id":"sha256:b1caf0c30d3d9b0a71e8db01e5536abef9a137ae909a51186d22b5e34e2a53a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:T53FRAXHBW4VDU2TA3S6ASSP6G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Early-time VLA observations and broad-band afterglow analysis of the Fermi-LAT detected GRB 130907A","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alessandra Corsi, Dale A. Frail, Daniel A. Perley, P\\'eter Veres, S. Bradley Cenko","submitted_at":"2014-11-26T20:50:43Z","abstract_excerpt":"We present multi-wavelength observations of the hyper-energetic gamma-ray burst (GRB) 130907A, a Swift-discovered burst with early radio observations starting at $\\approx 4$ hr after the $\\gamma$-ray trigger. GRB 130907A was also detected by the Fermi/LAT instrument and, at late times, showed a strong spectral evolution in X-rays. We focus on the early-time radio observations, especially at $>10 $ GHz, to attempt identifying reverse shock signatures. While our radio follow-up of GRB 130907A ranks among the earliest observations of a GRB with the Karl G. Jansky Very Large Array (VLA), we did no"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.7368","kind":"arxiv","version":3},"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":"2026-05-18T01:33:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/3FdeSkN9x2BUeb0Melaq0uDnCtStSKxjkdCcRx8VDbxu6fvoZ+eq2T5yEmUbOZanTrg5eM1JzYQ7sn09HAjCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:22:46.732167Z"},"content_sha256":"2d2d8c77298a491734c374bdeea893d5056d5311c1220ba72eafc6abaa0f0e45","schema_version":"1.0","event_id":"sha256:2d2d8c77298a491734c374bdeea893d5056d5311c1220ba72eafc6abaa0f0e45"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T53FRAXHBW4VDU2TA3S6ASSP6G/bundle.json","state_url":"https://pith.science/pith/T53FRAXHBW4VDU2TA3S6ASSP6G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T53FRAXHBW4VDU2TA3S6ASSP6G/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":"2026-05-25T19:22:46Z","links":{"resolver":"https://pith.science/pith/T53FRAXHBW4VDU2TA3S6ASSP6G","bundle":"https://pith.science/pith/T53FRAXHBW4VDU2TA3S6ASSP6G/bundle.json","state":"https://pith.science/pith/T53FRAXHBW4VDU2TA3S6ASSP6G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T53FRAXHBW4VDU2TA3S6ASSP6G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:T53FRAXHBW4VDU2TA3S6ASSP6G","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":"9a2c43525a54dc5201c580eb4d660ba75e56e458d27b53718e7f9366d5089032","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-11-26T20:50:43Z","title_canon_sha256":"3d8a4b95db88c3c2d62970358fd90b8eebed57f45000c5a5e842d59302dbd6a5"},"schema_version":"1.0","source":{"id":"1411.7368","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.7368","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"arxiv_version","alias_value":"1411.7368v3","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.7368","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"pith_short_12","alias_value":"T53FRAXHBW4V","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"T53FRAXHBW4VDU2T","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"T53FRAXH","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:2d2d8c77298a491734c374bdeea893d5056d5311c1220ba72eafc6abaa0f0e45","target":"graph","created_at":"2026-05-18T01:33:48Z","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 multi-wavelength observations of the hyper-energetic gamma-ray burst (GRB) 130907A, a Swift-discovered burst with early radio observations starting at $\\approx 4$ hr after the $\\gamma$-ray trigger. GRB 130907A was also detected by the Fermi/LAT instrument and, at late times, showed a strong spectral evolution in X-rays. We focus on the early-time radio observations, especially at $>10 $ GHz, to attempt identifying reverse shock signatures. While our radio follow-up of GRB 130907A ranks among the earliest observations of a GRB with the Karl G. Jansky Very Large Array (VLA), we did no","authors_text":"Alessandra Corsi, Dale A. Frail, Daniel A. Perley, P\\'eter Veres, S. Bradley Cenko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-11-26T20:50:43Z","title":"Early-time VLA observations and broad-band afterglow analysis of the Fermi-LAT detected GRB 130907A"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.7368","kind":"arxiv","version":3},"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:b1caf0c30d3d9b0a71e8db01e5536abef9a137ae909a51186d22b5e34e2a53a9","target":"record","created_at":"2026-05-18T01:33:48Z","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":"9a2c43525a54dc5201c580eb4d660ba75e56e458d27b53718e7f9366d5089032","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-11-26T20:50:43Z","title_canon_sha256":"3d8a4b95db88c3c2d62970358fd90b8eebed57f45000c5a5e842d59302dbd6a5"},"schema_version":"1.0","source":{"id":"1411.7368","kind":"arxiv","version":3}},"canonical_sha256":"9f765882e70db951d35306e5e04a4ff19e36df50015a8d1625b7cf9e82ab44d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f765882e70db951d35306e5e04a4ff19e36df50015a8d1625b7cf9e82ab44d2","first_computed_at":"2026-05-18T01:33:48.986017Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:48.986017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5GEqTwx18I3H7kAIrqDLwv6xau4sagdy6pX1wJXak4v87KvUIWdLVS2xVDS2HyWeZ6eJVd5w4mDYokJzwFWZBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:48.986885Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.7368","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b1caf0c30d3d9b0a71e8db01e5536abef9a137ae909a51186d22b5e34e2a53a9","sha256:2d2d8c77298a491734c374bdeea893d5056d5311c1220ba72eafc6abaa0f0e45"],"state_sha256":"b3fe27cf3a56d31f8e6f6052493aa91f574053e76b12841e268346e5dc84bf23"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hs8KcLig+UTKfaEu95tW9E5EhW9LDv46cjHrPH35u2DeEhVJyGuN0iLjDN08kRATOWwU+aam0Y1X+XzmdnX8BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:22:46.736091Z","bundle_sha256":"a317abadc39e4db9caeb397b8c1d50c374c23b058a0fe9a17511f72be2398064"}}