{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:KDAF7P2K2ZUNHGDYU3B3LRJINI","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":"edf45c0e9297624aab8e72428c5e11843f591c410af8883254e71cb397a57c33","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-12-21T10:57:45Z","title_canon_sha256":"1f63e4b2072027c01b6ebde13a5efb950cb06a7635991c6c88930c536d7feac0"},"schema_version":"1.0","source":{"id":"1712.07872","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.07872","created_at":"2026-05-18T00:27:29Z"},{"alias_kind":"arxiv_version","alias_value":"1712.07872v1","created_at":"2026-05-18T00:27:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.07872","created_at":"2026-05-18T00:27:29Z"},{"alias_kind":"pith_short_12","alias_value":"KDAF7P2K2ZUN","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"KDAF7P2K2ZUNHGDY","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"KDAF7P2K","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:ea5604c96f1ccbfcda241f17c22a437b9f5e20ec5f8fda841ce34a65f1bbd41f","target":"graph","created_at":"2026-05-18T00:27:29Z","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"},"paper":{"abstract_excerpt":"Globular clusters are large collections of old stars that are orbiting the core of a galaxy. Our Milky Way Galaxy has about 160 known clusters, with perhaps more to be discovered. We first accumulated the necessary parameters for 16 clusters and ran a numerical model that predicts the inverse Compton gamma-ray flux expected from each cluster. We also reanalysed data from 16 clusters observed by the H.E.S.S. very-high-energy (> 100 GeV) gamma-ray telescopes. We confirmed the detection of Terzan 5 and found flux upper limits for the remaining 15 sources that were consistent with published result","authors_text":"Christo Venter, Hambeleleni Ndiyavala, Petrus Paulus Kruger","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-12-21T10:57:45Z","title":"Investigating gamma-ray fluxes from globular clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.07872","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":"sha256:6210510aec613a6c339693c65dcfbce42a9024035353bf998c5e22b42f625ff4","target":"record","created_at":"2026-05-18T00:27:29Z","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":"edf45c0e9297624aab8e72428c5e11843f591c410af8883254e71cb397a57c33","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-12-21T10:57:45Z","title_canon_sha256":"1f63e4b2072027c01b6ebde13a5efb950cb06a7635991c6c88930c536d7feac0"},"schema_version":"1.0","source":{"id":"1712.07872","kind":"arxiv","version":1}},"canonical_sha256":"50c05fbf4ad668d39878a6c3b5c5286a3edd6cfd46cd427324baaac1d5388c53","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50c05fbf4ad668d39878a6c3b5c5286a3edd6cfd46cd427324baaac1d5388c53","first_computed_at":"2026-05-18T00:27:29.511918Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:29.511918Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pfvqh2Ys4acpsR/RKqLFO/J6XeLRwJX1GAOnkrglixc0T1qlpvXc3ZmqT6p4T/i/jgd728O0y7rnLJ7NpZCRBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:29.512814Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.07872","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6210510aec613a6c339693c65dcfbce42a9024035353bf998c5e22b42f625ff4","sha256:ea5604c96f1ccbfcda241f17c22a437b9f5e20ec5f8fda841ce34a65f1bbd41f"],"state_sha256":"98d6b7934c0db27f894aadc227235fe54c96deb5e5c077c103a356d6a450e6c3"}