{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:LYMNEWPQ2L2O6GASQMJ3RTYERX","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":"d448bd88f326b8aa10a3f0f84d362597ab63b57f412783662d93068cec9740c6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-09-28T08:45:46Z","title_canon_sha256":"5c99d2464fb31f87ff4b82f75ca07dc74bdf90292d9d223d0de8099c4ed68e26"},"schema_version":"1.0","source":{"id":"1609.08817","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.08817","created_at":"2026-05-18T00:47:49Z"},{"alias_kind":"arxiv_version","alias_value":"1609.08817v1","created_at":"2026-05-18T00:47:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.08817","created_at":"2026-05-18T00:47:49Z"},{"alias_kind":"pith_short_12","alias_value":"LYMNEWPQ2L2O","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LYMNEWPQ2L2O6GAS","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LYMNEWPQ","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:7e431671e933d838ad795cdc23e0ae56ab382cbfd4de0feee3431f4c99ea8c2b","target":"graph","created_at":"2026-05-18T00:47:49Z","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 measurement of gamma rays from the diffuse afterglow of radioactivity originating in massive-star nucleosynthesis is considered a laboratory for testing models, when specific stellar groups are investigated, at known distance and with well-constrained stellar population. Regions which have been exploited for such studies include Cygnus, Carina, Orion, and Scorpius-Centaurus. The Orion region hosts the Orion OB1 association and its subgroups at about 450~pc distance. We report the detection of $^{26}$Al gamma rays from this region with INTEGRAL/SPI.","authors_text":"Roland Diehl, Thomas Siegert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-09-28T08:45:46Z","title":"The $^{26}$Al Gamma-ray Line from Massive-Star Regions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.08817","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:d28bd76568950366b63ee736fbe48b06eb2066d5777e3ebc7a19f250dd849467","target":"record","created_at":"2026-05-18T00:47:49Z","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":"d448bd88f326b8aa10a3f0f84d362597ab63b57f412783662d93068cec9740c6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-09-28T08:45:46Z","title_canon_sha256":"5c99d2464fb31f87ff4b82f75ca07dc74bdf90292d9d223d0de8099c4ed68e26"},"schema_version":"1.0","source":{"id":"1609.08817","kind":"arxiv","version":1}},"canonical_sha256":"5e18d259f0d2f4ef18128313b8cf048dcc6a0f36c492570b02c31f958405a898","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5e18d259f0d2f4ef18128313b8cf048dcc6a0f36c492570b02c31f958405a898","first_computed_at":"2026-05-18T00:47:49.926918Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:47:49.926918Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"41LktrSLCRM4qPdW2i1+5WZzmOzm+3Stt5AmbN6ZYv2n6qc7GBDFHcwjqrWaSSsV1CyBrJAnIX+dhJjfL3M6Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:47:49.927644Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.08817","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d28bd76568950366b63ee736fbe48b06eb2066d5777e3ebc7a19f250dd849467","sha256:7e431671e933d838ad795cdc23e0ae56ab382cbfd4de0feee3431f4c99ea8c2b"],"state_sha256":"2b536737878c92e7d5509974f9ca03f5991a61609c2aaff9073cf90172822e67"}