{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:PM73TRQ3ZWSBJFDLK25F6FANRQ","short_pith_number":"pith:PM73TRQ3","canonical_record":{"source":{"id":"1503.01131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-03-03T21:19:36Z","cross_cats_sorted":[],"title_canon_sha256":"9d82a4fdb9d05c234c702af4c8970309c2af7bd867d00397c06c16708647885d","abstract_canon_sha256":"876e7d0b610b7e289d1cbdca555de48218a083aa760917a5dd1bb697b8306043"},"schema_version":"1.0"},"canonical_sha256":"7b3fb9c61bcda414946b56ba5f140d8c33a91cd203e81b3178f80190220de4ba","source":{"kind":"arxiv","id":"1503.01131","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.01131","created_at":"2026-05-18T02:25:39Z"},{"alias_kind":"arxiv_version","alias_value":"1503.01131v1","created_at":"2026-05-18T02:25:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.01131","created_at":"2026-05-18T02:25:39Z"},{"alias_kind":"pith_short_12","alias_value":"PM73TRQ3ZWSB","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PM73TRQ3ZWSBJFDL","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PM73TRQ3","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:PM73TRQ3ZWSBJFDLK25F6FANRQ","target":"record","payload":{"canonical_record":{"source":{"id":"1503.01131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-03-03T21:19:36Z","cross_cats_sorted":[],"title_canon_sha256":"9d82a4fdb9d05c234c702af4c8970309c2af7bd867d00397c06c16708647885d","abstract_canon_sha256":"876e7d0b610b7e289d1cbdca555de48218a083aa760917a5dd1bb697b8306043"},"schema_version":"1.0"},"canonical_sha256":"7b3fb9c61bcda414946b56ba5f140d8c33a91cd203e81b3178f80190220de4ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:25:39.809293Z","signature_b64":"RnGmv9X2VTEn40yPZY1M8b6ZNWo1oyxIy5xiPVYIoJgM76z8+lPUMB2KeWbfDyfDFm6gp4XApUORxcTx1PHBAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b3fb9c61bcda414946b56ba5f140d8c33a91cd203e81b3178f80190220de4ba","last_reissued_at":"2026-05-18T02:25:39.808854Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:25:39.808854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.01131","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":"2026-05-18T02:25:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hM4YM5xGDElcf1GJJimO6mrYnPb9jKFrPL573hTY6e8niaD8U694pXTjetvxz9oiYq4kPvxajj4jwt8TOgcUAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:50:13.188911Z"},"content_sha256":"941ff2a77be0bacd75a0ac031aacc7f4397213511925b343d5604ff3c2224227","schema_version":"1.0","event_id":"sha256:941ff2a77be0bacd75a0ac031aacc7f4397213511925b343d5604ff3c2224227"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:PM73TRQ3ZWSBJFDLK25F6FANRQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gamma-ray burst jets: uniform or structured?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Pescalli, F. Nappo, G. Ghirlanda, G. Ghisellini, G. Tagliaferri, O. S. Salafia, R. Salvaterra","submitted_at":"2015-03-03T21:19:36Z","abstract_excerpt":"The structure of Gamma-Ray Burst (GRB) jets impacts on their prompt and afterglow emission properties. Insights into the still unknown structure of GRBs can be achieved by studying how different structures impact on the luminosity function (LF): i) we show that low ($10^{46} < L_{\\rm iso} < 10^{48}$ erg/s) and high (i.e. with $L_{\\rm iso} > 10^{50}$ erg/s) luminosity GRBs can be described by a unique LF; ii) we find that a uniform jet (seen on- and off-axis) as well as a very steep structured jet (i.e. $\\epsilon(\\theta) \\propto \\theta^{-s}$ with $s > 4$) can reproduce the current LF data; iii)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.01131","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":"2026-05-18T02:25:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"epgUFc7owtOdt5zaYUaufjhcV5b1cteCIRNSAvZzYy2kiGnHDD7f2X2lEAo1KU1y9ctern/ZliwLERfk9rYCAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:50:13.189572Z"},"content_sha256":"2bd89c50298cab1a80bbee55b5f57d3ec221dd5de754420d323e715a4826b94d","schema_version":"1.0","event_id":"sha256:2bd89c50298cab1a80bbee55b5f57d3ec221dd5de754420d323e715a4826b94d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PM73TRQ3ZWSBJFDLK25F6FANRQ/bundle.json","state_url":"https://pith.science/pith/PM73TRQ3ZWSBJFDLK25F6FANRQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PM73TRQ3ZWSBJFDLK25F6FANRQ/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":"2026-05-27T04:50:13Z","links":{"resolver":"https://pith.science/pith/PM73TRQ3ZWSBJFDLK25F6FANRQ","bundle":"https://pith.science/pith/PM73TRQ3ZWSBJFDLK25F6FANRQ/bundle.json","state":"https://pith.science/pith/PM73TRQ3ZWSBJFDLK25F6FANRQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PM73TRQ3ZWSBJFDLK25F6FANRQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:PM73TRQ3ZWSBJFDLK25F6FANRQ","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":"876e7d0b610b7e289d1cbdca555de48218a083aa760917a5dd1bb697b8306043","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-03-03T21:19:36Z","title_canon_sha256":"9d82a4fdb9d05c234c702af4c8970309c2af7bd867d00397c06c16708647885d"},"schema_version":"1.0","source":{"id":"1503.01131","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.01131","created_at":"2026-05-18T02:25:39Z"},{"alias_kind":"arxiv_version","alias_value":"1503.01131v1","created_at":"2026-05-18T02:25:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.01131","created_at":"2026-05-18T02:25:39Z"},{"alias_kind":"pith_short_12","alias_value":"PM73TRQ3ZWSB","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PM73TRQ3ZWSBJFDL","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PM73TRQ3","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:2bd89c50298cab1a80bbee55b5f57d3ec221dd5de754420d323e715a4826b94d","target":"graph","created_at":"2026-05-18T02:25:39Z","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 structure of Gamma-Ray Burst (GRB) jets impacts on their prompt and afterglow emission properties. Insights into the still unknown structure of GRBs can be achieved by studying how different structures impact on the luminosity function (LF): i) we show that low ($10^{46} < L_{\\rm iso} < 10^{48}$ erg/s) and high (i.e. with $L_{\\rm iso} > 10^{50}$ erg/s) luminosity GRBs can be described by a unique LF; ii) we find that a uniform jet (seen on- and off-axis) as well as a very steep structured jet (i.e. $\\epsilon(\\theta) \\propto \\theta^{-s}$ with $s > 4$) can reproduce the current LF data; iii)","authors_text":"A. Pescalli, F. Nappo, G. Ghirlanda, G. Ghisellini, G. Tagliaferri, O. S. Salafia, R. Salvaterra","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-03-03T21:19:36Z","title":"Gamma-ray burst jets: uniform or structured?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.01131","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":"sha256:941ff2a77be0bacd75a0ac031aacc7f4397213511925b343d5604ff3c2224227","target":"record","created_at":"2026-05-18T02:25:39Z","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":"876e7d0b610b7e289d1cbdca555de48218a083aa760917a5dd1bb697b8306043","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-03-03T21:19:36Z","title_canon_sha256":"9d82a4fdb9d05c234c702af4c8970309c2af7bd867d00397c06c16708647885d"},"schema_version":"1.0","source":{"id":"1503.01131","kind":"arxiv","version":1}},"canonical_sha256":"7b3fb9c61bcda414946b56ba5f140d8c33a91cd203e81b3178f80190220de4ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b3fb9c61bcda414946b56ba5f140d8c33a91cd203e81b3178f80190220de4ba","first_computed_at":"2026-05-18T02:25:39.808854Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:25:39.808854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RnGmv9X2VTEn40yPZY1M8b6ZNWo1oyxIy5xiPVYIoJgM76z8+lPUMB2KeWbfDyfDFm6gp4XApUORxcTx1PHBAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:25:39.809293Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.01131","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:941ff2a77be0bacd75a0ac031aacc7f4397213511925b343d5604ff3c2224227","sha256:2bd89c50298cab1a80bbee55b5f57d3ec221dd5de754420d323e715a4826b94d"],"state_sha256":"f25093ce0d4a6be8a786f7dd59c4a15c86d2ddbb8c508dfd5b58574cc90c97d2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jeq8pz90GpXpvjgvJwlXpMMNOOKt/wBRHq41fAoyoDvSGpeSNuOJlVUGookQD3NfUnR3XcGG3GSKQGVEiubeBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T04:50:13.192843Z","bundle_sha256":"415a6a1c277bd909fb55b0dd63bb01c0902f201ed39e65cca0ebe248278c9f83"}}