{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:UIIVELP4WJDBJR6GYL7VBEWBFB","short_pith_number":"pith:UIIVELP4","canonical_record":{"source":{"id":"1406.4223","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-06-17T03:01:15Z","cross_cats_sorted":[],"title_canon_sha256":"58564d93b9b529a272610419dc17f8ce1b2a1d5adcaceaa780bf24e2bddc58b9","abstract_canon_sha256":"c982acdeed409e1c3beaf36f5625f31b72cfe9a3134035cc93fffa37eda7442a"},"schema_version":"1.0"},"canonical_sha256":"a211522dfcb24614c7c6c2ff5092c1287999de935f61216b6a995669163b8d7e","source":{"kind":"arxiv","id":"1406.4223","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.4223","created_at":"2026-05-18T02:49:38Z"},{"alias_kind":"arxiv_version","alias_value":"1406.4223v1","created_at":"2026-05-18T02:49:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.4223","created_at":"2026-05-18T02:49:38Z"},{"alias_kind":"pith_short_12","alias_value":"UIIVELP4WJDB","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UIIVELP4WJDBJR6G","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UIIVELP4","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:UIIVELP4WJDBJR6GYL7VBEWBFB","target":"record","payload":{"canonical_record":{"source":{"id":"1406.4223","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-06-17T03:01:15Z","cross_cats_sorted":[],"title_canon_sha256":"58564d93b9b529a272610419dc17f8ce1b2a1d5adcaceaa780bf24e2bddc58b9","abstract_canon_sha256":"c982acdeed409e1c3beaf36f5625f31b72cfe9a3134035cc93fffa37eda7442a"},"schema_version":"1.0"},"canonical_sha256":"a211522dfcb24614c7c6c2ff5092c1287999de935f61216b6a995669163b8d7e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:49:38.081793Z","signature_b64":"XaTLTFRkCpkiowdKyEjEAHZIL6e47VQYYk38yFRLtqzNt69geKXyS/SZyTEPjrrUr5kWZK+PNkCjETmu10j+Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a211522dfcb24614c7c6c2ff5092c1287999de935f61216b6a995669163b8d7e","last_reissued_at":"2026-05-18T02:49:38.081356Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:49:38.081356Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.4223","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":"2026-05-18T02:49:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IWq4P5ZGCLs6pJ+Y4z2TrXqkdu558ndUIXJXzeJRDxAvvMLwZgW6Vr8h2UxHIr4HtCsOIjaqpmP7KGg/q40lDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:52:51.876815Z"},"content_sha256":"82b4789983b8ee5f268fcc5db75948d277b8bdf3a54d37ac49881cbd5b6700f8","schema_version":"1.0","event_id":"sha256:82b4789983b8ee5f268fcc5db75948d277b8bdf3a54d37ac49881cbd5b6700f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:UIIVELP4WJDBJR6GYL7VBEWBFB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Temperature Effect and Correction Method of White Rabbit Timing Link","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Guanghua Gong, Hongming Li, Jianmin Li, Qiang Du, Weibin Pan","submitted_at":"2014-06-17T03:01:15Z","abstract_excerpt":"To guarantee the angular resolution, the Large High Altitude Air Shower Observatory (LHAASO) requires a 500ps (rms) timing synchronization among the 6866 detect units for its KM2A sub-detector array. The White Rabbit technology is applied which combines sub-nanosecond precision timing transfer and gigabit Ethernet data transfer over the same fiber media. Deployed on a wild field at 4300m a.s.l. altitude, the WR network must maintain the precision over a wide temperature range. The temperature effect on a small WR link is measured, and contributions from different components like optical fiber,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.4223","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":"2026-05-18T02:49:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4CVmlDRAzUIQcGVuO9o2GAH800OJJuckiv3IqV9+BBRNj58vcWGVKF3cPfLRHn2eIcl/uBO3LK7mQ18QL4H4DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:52:51.877352Z"},"content_sha256":"b3b6c6eafd97b23376070608b9899228e98c869688e192d42546004eff5c128a","schema_version":"1.0","event_id":"sha256:b3b6c6eafd97b23376070608b9899228e98c869688e192d42546004eff5c128a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UIIVELP4WJDBJR6GYL7VBEWBFB/bundle.json","state_url":"https://pith.science/pith/UIIVELP4WJDBJR6GYL7VBEWBFB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UIIVELP4WJDBJR6GYL7VBEWBFB/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":"2026-05-25T16:52:51Z","links":{"resolver":"https://pith.science/pith/UIIVELP4WJDBJR6GYL7VBEWBFB","bundle":"https://pith.science/pith/UIIVELP4WJDBJR6GYL7VBEWBFB/bundle.json","state":"https://pith.science/pith/UIIVELP4WJDBJR6GYL7VBEWBFB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UIIVELP4WJDBJR6GYL7VBEWBFB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:UIIVELP4WJDBJR6GYL7VBEWBFB","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":"c982acdeed409e1c3beaf36f5625f31b72cfe9a3134035cc93fffa37eda7442a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-06-17T03:01:15Z","title_canon_sha256":"58564d93b9b529a272610419dc17f8ce1b2a1d5adcaceaa780bf24e2bddc58b9"},"schema_version":"1.0","source":{"id":"1406.4223","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.4223","created_at":"2026-05-18T02:49:38Z"},{"alias_kind":"arxiv_version","alias_value":"1406.4223v1","created_at":"2026-05-18T02:49:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.4223","created_at":"2026-05-18T02:49:38Z"},{"alias_kind":"pith_short_12","alias_value":"UIIVELP4WJDB","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UIIVELP4WJDBJR6G","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UIIVELP4","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:b3b6c6eafd97b23376070608b9899228e98c869688e192d42546004eff5c128a","target":"graph","created_at":"2026-05-18T02:49:38Z","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":"To guarantee the angular resolution, the Large High Altitude Air Shower Observatory (LHAASO) requires a 500ps (rms) timing synchronization among the 6866 detect units for its KM2A sub-detector array. The White Rabbit technology is applied which combines sub-nanosecond precision timing transfer and gigabit Ethernet data transfer over the same fiber media. Deployed on a wild field at 4300m a.s.l. altitude, the WR network must maintain the precision over a wide temperature range. The temperature effect on a small WR link is measured, and contributions from different components like optical fiber,","authors_text":"Guanghua Gong, Hongming Li, Jianmin Li, Qiang Du, Weibin Pan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-06-17T03:01:15Z","title":"Temperature Effect and Correction Method of White Rabbit Timing Link"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.4223","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":"sha256:82b4789983b8ee5f268fcc5db75948d277b8bdf3a54d37ac49881cbd5b6700f8","target":"record","created_at":"2026-05-18T02:49:38Z","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":"c982acdeed409e1c3beaf36f5625f31b72cfe9a3134035cc93fffa37eda7442a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-06-17T03:01:15Z","title_canon_sha256":"58564d93b9b529a272610419dc17f8ce1b2a1d5adcaceaa780bf24e2bddc58b9"},"schema_version":"1.0","source":{"id":"1406.4223","kind":"arxiv","version":1}},"canonical_sha256":"a211522dfcb24614c7c6c2ff5092c1287999de935f61216b6a995669163b8d7e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a211522dfcb24614c7c6c2ff5092c1287999de935f61216b6a995669163b8d7e","first_computed_at":"2026-05-18T02:49:38.081356Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:49:38.081356Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XaTLTFRkCpkiowdKyEjEAHZIL6e47VQYYk38yFRLtqzNt69geKXyS/SZyTEPjrrUr5kWZK+PNkCjETmu10j+Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:49:38.081793Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.4223","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:82b4789983b8ee5f268fcc5db75948d277b8bdf3a54d37ac49881cbd5b6700f8","sha256:b3b6c6eafd97b23376070608b9899228e98c869688e192d42546004eff5c128a"],"state_sha256":"dde87c4fd2fd001ed315a07b4cc5c63f129531341cd7531f0ce0b5816466e3de"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wokGoobVw9pPfO/RvDHq+li8Pd6Rl74cn3qtEv2j/rviIgJVHjxsc/IUMLCXEnBM55GEDZSh+7EIRSjMXXUfAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:52:51.880130Z","bundle_sha256":"3c704f40b45f71dd574c78ed7ca1a43cb1e1eec6c04d5bcfb27a7b7ad87fded8"}}