{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:DYRADQ6ITXPS52YD3W6VN2SUPJ","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":"13eb9b02a65a16cb6a54513c792147f7ceb657a0a5fa97ee7def68e2136e9bf6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-22T20:05:06Z","title_canon_sha256":"e174f52a097c1c9015723c632b7d653a71ea8615b32ad535ed80928e77cc27c4"},"schema_version":"1.0","source":{"id":"2606.23904","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.23904","created_at":"2026-06-24T00:14:29Z"},{"alias_kind":"arxiv_version","alias_value":"2606.23904v1","created_at":"2026-06-24T00:14:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.23904","created_at":"2026-06-24T00:14:29Z"},{"alias_kind":"pith_short_12","alias_value":"DYRADQ6ITXPS","created_at":"2026-06-24T00:14:29Z"},{"alias_kind":"pith_short_16","alias_value":"DYRADQ6ITXPS52YD","created_at":"2026-06-24T00:14:29Z"},{"alias_kind":"pith_short_8","alias_value":"DYRADQ6I","created_at":"2026-06-24T00:14:29Z"}],"graph_snapshots":[{"event_id":"sha256:967a461466a8c2808e11f97b785a446c25e051016bfe64c56eeec28093ee4dd8","target":"graph","created_at":"2026-06-24T00:14:29Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.23904/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate late-time gamma-ray burst (GRB) afterglows produced by quasi-spherical outflows propagating into a stratified circumburst medium during the deep Newtonian phase. Sub-relativistic ejecta generated in compact binary mergers or core-collapse explosions naturally develop velocity structures, while additional energy injection from a long-lived central engine, through spin-down luminosity and/or fallback accretion, can substantially modify the afterglow evolution. We develop an analytical framework for synchrotron emission from decelerated ejecta components undergoing energy injection","authors_text":"Antonio Galv\\'an, Boris Betancourt-Kamenetskaia, Maria G. Dainotti, Nissim Fraija","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-22T20:05:06Z","title":"Deep Newtonian Afterglows: Theoretical Light Curves for Quasi-spherical Outflows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.23904","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:cde1ff5a8c585dd9504cab4dc87f69846b429f0c1855b52dba591e7870dae270","target":"record","created_at":"2026-06-24T00:14:29Z","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":"13eb9b02a65a16cb6a54513c792147f7ceb657a0a5fa97ee7def68e2136e9bf6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-22T20:05:06Z","title_canon_sha256":"e174f52a097c1c9015723c632b7d653a71ea8615b32ad535ed80928e77cc27c4"},"schema_version":"1.0","source":{"id":"2606.23904","kind":"arxiv","version":1}},"canonical_sha256":"1e2201c3c89ddf2eeb03ddbd56ea547a5584cd52ff45d6f4b7f7d19f398bf5ca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1e2201c3c89ddf2eeb03ddbd56ea547a5584cd52ff45d6f4b7f7d19f398bf5ca","first_computed_at":"2026-06-24T00:14:29.819215Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-24T00:14:29.819215Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DTk4uT98+ntosLAbg52MY8GNrlvvVp8H1RN6pdCVFPKO3hOHJQsgQTtCWKhJUu/UJrh2HF1+qZe1y0vAohQYBQ==","signature_status":"signed_v1","signed_at":"2026-06-24T00:14:29.819572Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.23904","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cde1ff5a8c585dd9504cab4dc87f69846b429f0c1855b52dba591e7870dae270","sha256:967a461466a8c2808e11f97b785a446c25e051016bfe64c56eeec28093ee4dd8"],"state_sha256":"551429d1afbfa7705bdd682504cbbd21659f8b6b1325035141146fd98c5b45f5"}