{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:UZPQRB3OJ4LQIG6N434JBEJOKK","short_pith_number":"pith:UZPQRB3O","canonical_record":{"source":{"id":"1404.2651","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-04-09T23:31:49Z","cross_cats_sorted":["hep-ex","nucl-ex"],"title_canon_sha256":"4990a8046c720080d8035d75d69f697ee12503079a791f005ba0f3298abd230a","abstract_canon_sha256":"b92258c5e3aabc6796edcc23d7037bb6345c322a35fbb4d507086d0ba165af96"},"schema_version":"1.0"},"canonical_sha256":"a65f08876e4f17041bcde6f890912e5296fb43ac22857ad806c0f7a657a3dc29","source":{"kind":"arxiv","id":"1404.2651","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.2651","created_at":"2026-05-18T02:53:07Z"},{"alias_kind":"arxiv_version","alias_value":"1404.2651v1","created_at":"2026-05-18T02:53:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.2651","created_at":"2026-05-18T02:53:07Z"},{"alias_kind":"pith_short_12","alias_value":"UZPQRB3OJ4LQ","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UZPQRB3OJ4LQIG6N","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UZPQRB3O","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:UZPQRB3OJ4LQIG6N434JBEJOKK","target":"record","payload":{"canonical_record":{"source":{"id":"1404.2651","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-04-09T23:31:49Z","cross_cats_sorted":["hep-ex","nucl-ex"],"title_canon_sha256":"4990a8046c720080d8035d75d69f697ee12503079a791f005ba0f3298abd230a","abstract_canon_sha256":"b92258c5e3aabc6796edcc23d7037bb6345c322a35fbb4d507086d0ba165af96"},"schema_version":"1.0"},"canonical_sha256":"a65f08876e4f17041bcde6f890912e5296fb43ac22857ad806c0f7a657a3dc29","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:53:07.019146Z","signature_b64":"9r7bzZM9Vy6aDwIhU4mAwcXZC5BVK9qR8+9PRKdonGUaeBsNKXJK0uieAOqQWNApIR69P2VQ38ZJi/MJflVOCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a65f08876e4f17041bcde6f890912e5296fb43ac22857ad806c0f7a657a3dc29","last_reissued_at":"2026-05-18T02:53:07.018544Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:53:07.018544Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.2651","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":"2026-05-18T02:53:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bYY2bF7m2lOnk73fRCQUUlQ+iIlGcbJ+pOjH1HOPJ8WbXwXQongJbcQyvifYA3UX1n8idX53ettg2g7ogF2DBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T03:00:45.399032Z"},"content_sha256":"c437ae00dbcb12244f99acc8127c9e88f36af3cbb55d6219846c10463985153c","schema_version":"1.0","event_id":"sha256:c437ae00dbcb12244f99acc8127c9e88f36af3cbb55d6219846c10463985153c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:UZPQRB3OJ4LQIG6N434JBEJOKK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The second-phase development of the China JinPing underground Laboratory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"Jainmin Li, Joseph S.Y. Wang, Wick Haxton, Xiangdong Ji","submitted_at":"2014-04-09T23:31:49Z","abstract_excerpt":"During 2013-2015 an expansion of the China JinPing underground Laboratory (CJPL) will be undertaken along a main branch of a bypass tunnel in the JinPing tunnel complex. This second phase of CJPL will increase laboratory space to approximately 96,000 m^3, which can be compared to the existing CJPL-I volume of 4,000 m^3. One design configuration has eight additional hall spaces, each over 60 m long and approximately 12 m in width, with overburdens of about 2.4 km of rock, oriented parallel to and away from the main water transport and auto traffic tunnels. Concurrent with the excavation activit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.2651","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":"2026-05-18T02:53:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4CxGHHa8wENIgDIwO6qx1Esqj2ywvxT/kekU+0l8YBkZccMCYcfA2vuV+KJ6PPvjIbP2BbuJcyuGV5sEzEPLBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T03:00:45.399584Z"},"content_sha256":"f453d5bdb4cd8f5f65218940e95e115564b330cfcd99ab8855e3d1020b1baa41","schema_version":"1.0","event_id":"sha256:f453d5bdb4cd8f5f65218940e95e115564b330cfcd99ab8855e3d1020b1baa41"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UZPQRB3OJ4LQIG6N434JBEJOKK/bundle.json","state_url":"https://pith.science/pith/UZPQRB3OJ4LQIG6N434JBEJOKK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UZPQRB3OJ4LQIG6N434JBEJOKK/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":"2026-08-14T03:00:45Z","links":{"resolver":"https://pith.science/pith/UZPQRB3OJ4LQIG6N434JBEJOKK","bundle":"https://pith.science/pith/UZPQRB3OJ4LQIG6N434JBEJOKK/bundle.json","state":"https://pith.science/pith/UZPQRB3OJ4LQIG6N434JBEJOKK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UZPQRB3OJ4LQIG6N434JBEJOKK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:UZPQRB3OJ4LQIG6N434JBEJOKK","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":"b92258c5e3aabc6796edcc23d7037bb6345c322a35fbb4d507086d0ba165af96","cross_cats_sorted":["hep-ex","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-04-09T23:31:49Z","title_canon_sha256":"4990a8046c720080d8035d75d69f697ee12503079a791f005ba0f3298abd230a"},"schema_version":"1.0","source":{"id":"1404.2651","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.2651","created_at":"2026-05-18T02:53:07Z"},{"alias_kind":"arxiv_version","alias_value":"1404.2651v1","created_at":"2026-05-18T02:53:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.2651","created_at":"2026-05-18T02:53:07Z"},{"alias_kind":"pith_short_12","alias_value":"UZPQRB3OJ4LQ","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UZPQRB3OJ4LQIG6N","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UZPQRB3O","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:f453d5bdb4cd8f5f65218940e95e115564b330cfcd99ab8855e3d1020b1baa41","target":"graph","created_at":"2026-05-18T02:53:07Z","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":"During 2013-2015 an expansion of the China JinPing underground Laboratory (CJPL) will be undertaken along a main branch of a bypass tunnel in the JinPing tunnel complex. This second phase of CJPL will increase laboratory space to approximately 96,000 m^3, which can be compared to the existing CJPL-I volume of 4,000 m^3. One design configuration has eight additional hall spaces, each over 60 m long and approximately 12 m in width, with overburdens of about 2.4 km of rock, oriented parallel to and away from the main water transport and auto traffic tunnels. Concurrent with the excavation activit","authors_text":"Jainmin Li, Joseph S.Y. Wang, Wick Haxton, Xiangdong Ji","cross_cats":["hep-ex","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-04-09T23:31:49Z","title":"The second-phase development of the China JinPing underground Laboratory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.2651","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:c437ae00dbcb12244f99acc8127c9e88f36af3cbb55d6219846c10463985153c","target":"record","created_at":"2026-05-18T02:53:07Z","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":"b92258c5e3aabc6796edcc23d7037bb6345c322a35fbb4d507086d0ba165af96","cross_cats_sorted":["hep-ex","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-04-09T23:31:49Z","title_canon_sha256":"4990a8046c720080d8035d75d69f697ee12503079a791f005ba0f3298abd230a"},"schema_version":"1.0","source":{"id":"1404.2651","kind":"arxiv","version":1}},"canonical_sha256":"a65f08876e4f17041bcde6f890912e5296fb43ac22857ad806c0f7a657a3dc29","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a65f08876e4f17041bcde6f890912e5296fb43ac22857ad806c0f7a657a3dc29","first_computed_at":"2026-05-18T02:53:07.018544Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:53:07.018544Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9r7bzZM9Vy6aDwIhU4mAwcXZC5BVK9qR8+9PRKdonGUaeBsNKXJK0uieAOqQWNApIR69P2VQ38ZJi/MJflVOCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:53:07.019146Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.2651","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c437ae00dbcb12244f99acc8127c9e88f36af3cbb55d6219846c10463985153c","sha256:f453d5bdb4cd8f5f65218940e95e115564b330cfcd99ab8855e3d1020b1baa41"],"state_sha256":"6be9374a3a90b6e6bb5f6ce0e6e5a00c5468110cb26cf3edc470de08658dc2ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8+oFs4S2cA3BouTVbDya0l1OJoBubdypKw/14dTxu8dKJf4hMzt8NyZUga7Sy2snoGc3CODaQNnzGxA6yVOlCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T03:00:45.403688Z","bundle_sha256":"28da456890a991002b2959af099789a9416d412070777b07b9419f1847238315"}}