{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:NHGFREU7AQTVZXYRL4VH6MYZUD","short_pith_number":"pith:NHGFREU7","schema_version":"1.0","canonical_sha256":"69cc58929f04275cdf115f2a7f3319a0dc8096e069472f67d0ce4061c265fda2","source":{"kind":"arxiv","id":"2106.03868","version":1},"attestation_state":"computed","paper":{"title":"The slope of the low energy spectrum of Gamma-Ray Burst prompt emission","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"G. Ghirlanda, G. Ghisellini, G. Oganesyan, L. Nava, M. E. Ravasio, M. Toffano","submitted_at":"2021-06-07T18:00:02Z","abstract_excerpt":"Gamma-ray Bursts (GRBs) prompt emission spectra are often fitted with the empirical ''Band\" function, namely two power laws smoothly connected. The typical slope of the low energy (sub-MeV) power law is $\\alpha_{B}\\simeq -1$. In a small fraction of long GRBs this power law splits into two components such that the spectrum presents, in addition to the typical $\\sim$ MeV $\\nu F_{\\nu}$ peak, a break at the order of a few keV or hundreds keV. The typical power law slopes below and above the break are -0.6 and -1.5 respectively. If the break is a common feature, the value of $\\alpha_{B}$ could be a"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2106.03868","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-06-07T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"24cfca23ec1a7489989533b9cf25177c33e47b661c8a828f770d6f7740f5c26d","abstract_canon_sha256":"a563a3ca7221e65d04bbfce0876e435acebb1a7a6f8277fa71c62e7a40e95d66"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:08:31.885244Z","signature_b64":"D6YhCcr3Qb/qukcvrEYzqKWS1/JVdv5ofDNjBFLQiS3XW6wNeY5mckdLlRjW89cW8JfUCA5F6rPHAFAhjIWxAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69cc58929f04275cdf115f2a7f3319a0dc8096e069472f67d0ce4061c265fda2","last_reissued_at":"2026-07-05T03:08:31.884787Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:08:31.884787Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The slope of the low energy spectrum of Gamma-Ray Burst prompt emission","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"G. Ghirlanda, G. Ghisellini, G. Oganesyan, L. Nava, M. E. Ravasio, M. Toffano","submitted_at":"2021-06-07T18:00:02Z","abstract_excerpt":"Gamma-ray Bursts (GRBs) prompt emission spectra are often fitted with the empirical ''Band\" function, namely two power laws smoothly connected. The typical slope of the low energy (sub-MeV) power law is $\\alpha_{B}\\simeq -1$. In a small fraction of long GRBs this power law splits into two components such that the spectrum presents, in addition to the typical $\\sim$ MeV $\\nu F_{\\nu}$ peak, a break at the order of a few keV or hundreds keV. The typical power law slopes below and above the break are -0.6 and -1.5 respectively. If the break is a common feature, the value of $\\alpha_{B}$ could be a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.03868","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2106.03868/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2106.03868","created_at":"2026-07-05T03:08:31.884841+00:00"},{"alias_kind":"arxiv_version","alias_value":"2106.03868v1","created_at":"2026-07-05T03:08:31.884841+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.03868","created_at":"2026-07-05T03:08:31.884841+00:00"},{"alias_kind":"pith_short_12","alias_value":"NHGFREU7AQTV","created_at":"2026-07-05T03:08:31.884841+00:00"},{"alias_kind":"pith_short_16","alias_value":"NHGFREU7AQTVZXYR","created_at":"2026-07-05T03:08:31.884841+00:00"},{"alias_kind":"pith_short_8","alias_value":"NHGFREU7","created_at":"2026-07-05T03:08:31.884841+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NHGFREU7AQTVZXYRL4VH6MYZUD","json":"https://pith.science/pith/NHGFREU7AQTVZXYRL4VH6MYZUD.json","graph_json":"https://pith.science/api/pith-number/NHGFREU7AQTVZXYRL4VH6MYZUD/graph.json","events_json":"https://pith.science/api/pith-number/NHGFREU7AQTVZXYRL4VH6MYZUD/events.json","paper":"https://pith.science/paper/NHGFREU7"},"agent_actions":{"view_html":"https://pith.science/pith/NHGFREU7AQTVZXYRL4VH6MYZUD","download_json":"https://pith.science/pith/NHGFREU7AQTVZXYRL4VH6MYZUD.json","view_paper":"https://pith.science/paper/NHGFREU7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2106.03868&json=true","fetch_graph":"https://pith.science/api/pith-number/NHGFREU7AQTVZXYRL4VH6MYZUD/graph.json","fetch_events":"https://pith.science/api/pith-number/NHGFREU7AQTVZXYRL4VH6MYZUD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NHGFREU7AQTVZXYRL4VH6MYZUD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NHGFREU7AQTVZXYRL4VH6MYZUD/action/storage_attestation","attest_author":"https://pith.science/pith/NHGFREU7AQTVZXYRL4VH6MYZUD/action/author_attestation","sign_citation":"https://pith.science/pith/NHGFREU7AQTVZXYRL4VH6MYZUD/action/citation_signature","submit_replication":"https://pith.science/pith/NHGFREU7AQTVZXYRL4VH6MYZUD/action/replication_record"}},"created_at":"2026-07-05T03:08:31.884841+00:00","updated_at":"2026-07-05T03:08:31.884841+00:00"}