{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:WO2RHUSLMCLNX4IF476AZ254O3","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":"6889f469b9683aa6075d6e87efe2e172154339a25fed138d2c5af798cbfa6f89","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"","primary_cat":"astro-ph","submitted_at":"2007-08-16T17:33:57Z","title_canon_sha256":"3d1c904589383983f7a4f08368ef8c408baac3fe33801e5693d7ff07a73f65f5"},"schema_version":"1.0","source":{"id":"0708.2251","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0708.2251","created_at":"2026-05-18T03:48:12Z"},{"alias_kind":"arxiv_version","alias_value":"0708.2251v2","created_at":"2026-05-18T03:48:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0708.2251","created_at":"2026-05-18T03:48:12Z"},{"alias_kind":"pith_short_12","alias_value":"WO2RHUSLMCLN","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"WO2RHUSLMCLNX4IF","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"WO2RHUSL","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:7b3b3c5c075d1e0ffa2513caebfb7458d03bc9ac7af3664ed0e67b716e87b58f","target":"graph","created_at":"2026-05-18T03:48:12Z","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":"This paper reports a direct measurement of the Be7 solar neutrino signal rate performed with the Borexino low background liquid scintillator detector. This is the first real-time spectral measurement of sub-MeV solar neutrinos. The result for 0.862 MeV Be7 is 47 +- 7 (stat} +- 12 (sys} counts/(day x 100 ton), consistent with predictions of Standard Solar Models and neutrino oscillations with LMA-MSW parameters.","authors_text":"Borexino collaboration","cross_cats":["hep-ph","nucl-ex"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-08-16T17:33:57Z","title":"First real time detection of Be7 solar neutrinos by Borexino"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0708.2251","kind":"arxiv","version":2},"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":"sha256:4ab5ae7b22a844548b9b7406f81ab8b13ca70093d0488f3103b85cfdb7d04b08","target":"record","created_at":"2026-05-18T03:48:12Z","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":"6889f469b9683aa6075d6e87efe2e172154339a25fed138d2c5af798cbfa6f89","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"","primary_cat":"astro-ph","submitted_at":"2007-08-16T17:33:57Z","title_canon_sha256":"3d1c904589383983f7a4f08368ef8c408baac3fe33801e5693d7ff07a73f65f5"},"schema_version":"1.0","source":{"id":"0708.2251","kind":"arxiv","version":2}},"canonical_sha256":"b3b513d24b6096dbf105e7fc0cebbc76c9e0ada62b4e80da82f922b1bbf5e641","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b3b513d24b6096dbf105e7fc0cebbc76c9e0ada62b4e80da82f922b1bbf5e641","first_computed_at":"2026-05-18T03:48:12.034188Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:48:12.034188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fQovYw64KSTg9VyCC7KYM35T3iogFujK8An2dmRcilfVvorX0m6Akoh8qNx6OABPDUqPLmRaJdDNPAaOuU3NCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:48:12.034986Z","signed_message":"canonical_sha256_bytes"},"source_id":"0708.2251","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ab5ae7b22a844548b9b7406f81ab8b13ca70093d0488f3103b85cfdb7d04b08","sha256:7b3b3c5c075d1e0ffa2513caebfb7458d03bc9ac7af3664ed0e67b716e87b58f"],"state_sha256":"8f71ff6fccff9bf3e9052a987b6ee292065697c00168f59bf122b784f2c5370e"}