{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:CCRQ6K3FT57MWJESIK2DQQ6G7Y","short_pith_number":"pith:CCRQ6K3F","canonical_record":{"source":{"id":"0806.2400","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2008-06-16T15:07:11Z","cross_cats_sorted":["astro-ph","hep-ex","nucl-ex"],"title_canon_sha256":"67b927902a4233c45859729e9204313c624ff5474d076cc8392db3c3e7a7863a","abstract_canon_sha256":"61b0e8cfbb4e8d806271097879a7b9db6bf65684a014733d8536996918a8b6b0"},"schema_version":"1.0"},"canonical_sha256":"10a30f2b659f7ecb249242b43843c6fe1a257e3d01c0dbbdf08e50354a6a8ee1","source":{"kind":"arxiv","id":"0806.2400","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.2400","created_at":"2026-05-18T02:35:21Z"},{"alias_kind":"arxiv_version","alias_value":"0806.2400v1","created_at":"2026-05-18T02:35:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.2400","created_at":"2026-05-18T02:35:21Z"},{"alias_kind":"pith_short_12","alias_value":"CCRQ6K3FT57M","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"CCRQ6K3FT57MWJES","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"CCRQ6K3F","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:CCRQ6K3FT57MWJESIK2DQQ6G7Y","target":"record","payload":{"canonical_record":{"source":{"id":"0806.2400","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2008-06-16T15:07:11Z","cross_cats_sorted":["astro-ph","hep-ex","nucl-ex"],"title_canon_sha256":"67b927902a4233c45859729e9204313c624ff5474d076cc8392db3c3e7a7863a","abstract_canon_sha256":"61b0e8cfbb4e8d806271097879a7b9db6bf65684a014733d8536996918a8b6b0"},"schema_version":"1.0"},"canonical_sha256":"10a30f2b659f7ecb249242b43843c6fe1a257e3d01c0dbbdf08e50354a6a8ee1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:35:21.914828Z","signature_b64":"YYuaTqHpNDUx/zBicL551K2HowPtaELkKkU6+GS60pkrNCXkF3TUmU0z0DqOMdTiJc4JPr215WqNrUHmlVqEDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"10a30f2b659f7ecb249242b43843c6fe1a257e3d01c0dbbdf08e50354a6a8ee1","last_reissued_at":"2026-05-18T02:35:21.914380Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:35:21.914380Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0806.2400","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:35:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JOay8gge18ymznF16bBIbnqYsN/WFIIcqt7vKzmQshFl76Cj8FDvlkOl/C5KWxbeD2Ig6ka0EMd2GirMalauCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:46:42.081563Z"},"content_sha256":"068fe3c6bbb7efd7eef07550f1724cd9c32de5f8a95b047752cc7c65454bfb08","schema_version":"1.0","event_id":"sha256:068fe3c6bbb7efd7eef07550f1724cd9c32de5f8a95b047752cc7c65454bfb08"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:CCRQ6K3FT57MWJESIK2DQQ6G7Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Borexino detector at the Laboratori Nazionali del Gran Sasso","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph","hep-ex","nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"Borexino Collaboration: G. Alimonti, et al","submitted_at":"2008-06-16T15:07:11Z","abstract_excerpt":"Borexino, a large volume detector for low energy neutrino spectroscopy, is currently running underground at the Laboratori Nazionali del Gran Sasso, Italy. The main goal of the experiment is the real-time measurement of sub MeV solar neutrinos, and particularly of the mono energetic (862 keV) Be7 electron capture neutrinos, via neutrino-electron scattering in an ultra-pure liquid scintillator. This paper is mostly devoted to the description of the detector structure, the photomultipliers, the electronics, and the trigger and calibration systems. The real performance of the detector, which alwa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.2400","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:35:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iDJo3xJN7Y0Bheb/1NxvbxgiGlf221xFFUtNz2HIOoD+BRjQIAfisBodxxkZj7MMvsuJXH/8Hj99vie/AiCRAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:46:42.082035Z"},"content_sha256":"eea7d67f4314cbab966e1c8bab2ec0d2c3c585301c50655dc510ad4495af2b6d","schema_version":"1.0","event_id":"sha256:eea7d67f4314cbab966e1c8bab2ec0d2c3c585301c50655dc510ad4495af2b6d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CCRQ6K3FT57MWJESIK2DQQ6G7Y/bundle.json","state_url":"https://pith.science/pith/CCRQ6K3FT57MWJESIK2DQQ6G7Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CCRQ6K3FT57MWJESIK2DQQ6G7Y/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-26T19:46:42Z","links":{"resolver":"https://pith.science/pith/CCRQ6K3FT57MWJESIK2DQQ6G7Y","bundle":"https://pith.science/pith/CCRQ6K3FT57MWJESIK2DQQ6G7Y/bundle.json","state":"https://pith.science/pith/CCRQ6K3FT57MWJESIK2DQQ6G7Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CCRQ6K3FT57MWJESIK2DQQ6G7Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:CCRQ6K3FT57MWJESIK2DQQ6G7Y","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":"61b0e8cfbb4e8d806271097879a7b9db6bf65684a014733d8536996918a8b6b0","cross_cats_sorted":["astro-ph","hep-ex","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2008-06-16T15:07:11Z","title_canon_sha256":"67b927902a4233c45859729e9204313c624ff5474d076cc8392db3c3e7a7863a"},"schema_version":"1.0","source":{"id":"0806.2400","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.2400","created_at":"2026-05-18T02:35:21Z"},{"alias_kind":"arxiv_version","alias_value":"0806.2400v1","created_at":"2026-05-18T02:35:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.2400","created_at":"2026-05-18T02:35:21Z"},{"alias_kind":"pith_short_12","alias_value":"CCRQ6K3FT57M","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"CCRQ6K3FT57MWJES","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"CCRQ6K3F","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:eea7d67f4314cbab966e1c8bab2ec0d2c3c585301c50655dc510ad4495af2b6d","target":"graph","created_at":"2026-05-18T02:35:21Z","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":"Borexino, a large volume detector for low energy neutrino spectroscopy, is currently running underground at the Laboratori Nazionali del Gran Sasso, Italy. The main goal of the experiment is the real-time measurement of sub MeV solar neutrinos, and particularly of the mono energetic (862 keV) Be7 electron capture neutrinos, via neutrino-electron scattering in an ultra-pure liquid scintillator. This paper is mostly devoted to the description of the detector structure, the photomultipliers, the electronics, and the trigger and calibration systems. The real performance of the detector, which alwa","authors_text":"Borexino Collaboration: G. Alimonti, et al","cross_cats":["astro-ph","hep-ex","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2008-06-16T15:07:11Z","title":"The Borexino detector at the Laboratori Nazionali del Gran Sasso"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.2400","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":"sha256:068fe3c6bbb7efd7eef07550f1724cd9c32de5f8a95b047752cc7c65454bfb08","target":"record","created_at":"2026-05-18T02:35:21Z","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":"61b0e8cfbb4e8d806271097879a7b9db6bf65684a014733d8536996918a8b6b0","cross_cats_sorted":["astro-ph","hep-ex","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2008-06-16T15:07:11Z","title_canon_sha256":"67b927902a4233c45859729e9204313c624ff5474d076cc8392db3c3e7a7863a"},"schema_version":"1.0","source":{"id":"0806.2400","kind":"arxiv","version":1}},"canonical_sha256":"10a30f2b659f7ecb249242b43843c6fe1a257e3d01c0dbbdf08e50354a6a8ee1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"10a30f2b659f7ecb249242b43843c6fe1a257e3d01c0dbbdf08e50354a6a8ee1","first_computed_at":"2026-05-18T02:35:21.914380Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:35:21.914380Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YYuaTqHpNDUx/zBicL551K2HowPtaELkKkU6+GS60pkrNCXkF3TUmU0z0DqOMdTiJc4JPr215WqNrUHmlVqEDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:35:21.914828Z","signed_message":"canonical_sha256_bytes"},"source_id":"0806.2400","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:068fe3c6bbb7efd7eef07550f1724cd9c32de5f8a95b047752cc7c65454bfb08","sha256:eea7d67f4314cbab966e1c8bab2ec0d2c3c585301c50655dc510ad4495af2b6d"],"state_sha256":"6f5314bff373a91d783c3ffdc4d884f137f146001e4fcd416ed72153d91fe86c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"givaiGnHDU48yKvdak8H4xnGts/yuc77v4NmdlzjirOrwbXV5KBbsu67n6z0Rj3xjxugrR8XQIL3FCmkUPSuDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:46:42.084605Z","bundle_sha256":"f52ce4da65e0623ec2f29c27e8388ced4200a409bdf0a96330635d2921af7c05"}}