{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:CIHUHP2DHK4BRO2CLGIQ4HJFJK","short_pith_number":"pith:CIHUHP2D","canonical_record":{"source":{"id":"1705.06067","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-05-17T09:40:51Z","cross_cats_sorted":[],"title_canon_sha256":"1d5711c238adc474d8359864b909cbe14be1d0635ab03778b4a957b17034a51a","abstract_canon_sha256":"0d819bcb6728d699ff86dc2eff5e5dcb90349933db842662528b524a1aa373de"},"schema_version":"1.0"},"canonical_sha256":"120f43bf433ab818bb4259910e1d254a8edd96581253b9d9ee0d80f7e2114f56","source":{"kind":"arxiv","id":"1705.06067","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.06067","created_at":"2026-05-18T00:41:32Z"},{"alias_kind":"arxiv_version","alias_value":"1705.06067v1","created_at":"2026-05-18T00:41:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.06067","created_at":"2026-05-18T00:41:32Z"},{"alias_kind":"pith_short_12","alias_value":"CIHUHP2DHK4B","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CIHUHP2DHK4BRO2C","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CIHUHP2D","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:CIHUHP2DHK4BRO2CLGIQ4HJFJK","target":"record","payload":{"canonical_record":{"source":{"id":"1705.06067","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-05-17T09:40:51Z","cross_cats_sorted":[],"title_canon_sha256":"1d5711c238adc474d8359864b909cbe14be1d0635ab03778b4a957b17034a51a","abstract_canon_sha256":"0d819bcb6728d699ff86dc2eff5e5dcb90349933db842662528b524a1aa373de"},"schema_version":"1.0"},"canonical_sha256":"120f43bf433ab818bb4259910e1d254a8edd96581253b9d9ee0d80f7e2114f56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:32.540307Z","signature_b64":"8hKW5rzU1EUFeWy5cOzH6F/sGivCpUlNcBPsOEhTztKveZzUwDPWHb/SfFFb01KXBI2T4obR+hlQhLnX+vZPDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"120f43bf433ab818bb4259910e1d254a8edd96581253b9d9ee0d80f7e2114f56","last_reissued_at":"2026-05-18T00:41:32.539784Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:32.539784Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.06067","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":"2026-05-18T00:41:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xCfmrrhcNRcDJ/oSPSCMArQ9XAbFNrMQ1vByvYQaNnSt6ebXgCRnG6Vp6kPPw3tyk8kWo4w47UlzPKcfNJlfBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T16:18:07.197683Z"},"content_sha256":"3e070afc9893e9c99e90061f04c79f7fd966a56e566c99e802c29b6e0f1f1428","schema_version":"1.0","event_id":"sha256:3e070afc9893e9c99e90061f04c79f7fd966a56e566c99e802c29b6e0f1f1428"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:CIHUHP2DHK4BRO2CLGIQ4HJFJK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High Performance Negative Database for Massive Data Management System of The Mingantu Spectral Radioheliograph","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Congming Shi, Cuiyin Liu, Feng Wang, Hui Deng, Shoulin Wei, Yingbo Liu","submitted_at":"2017-05-17T09:40:51Z","abstract_excerpt":"As a dedicated synthetic aperture radio interferometer, the MingantU SpEctral Radioheliograph (MUSER), initially known as the Chinese Spectral RadioHeliograph (CSRH), has entered the stage of routine observation. More than 23 million data records per day need to be effectively managed to provide high performance data query and retrieval for scientific data reduction. In light of these massive amounts of data generated by the MUSER, in this paper, a novel data management technique called the negative database (ND) is proposed and used to implement a data management system for the MUSER. Based o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.06067","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":"2026-05-18T00:41:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P/OVUj+Q1fSv5xGJKxpcN7FQzKRPft4eHmGp3KtBGZQN8tNi5s3h0aUjR+NneUta1NfKTyuFmR0Wh9VNX04JBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T16:18:07.198026Z"},"content_sha256":"1189b83863786bb9b346415bac20cda5a5e447f23c6226d0604a24a2db5f340f","schema_version":"1.0","event_id":"sha256:1189b83863786bb9b346415bac20cda5a5e447f23c6226d0604a24a2db5f340f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CIHUHP2DHK4BRO2CLGIQ4HJFJK/bundle.json","state_url":"https://pith.science/pith/CIHUHP2DHK4BRO2CLGIQ4HJFJK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CIHUHP2DHK4BRO2CLGIQ4HJFJK/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":"2026-06-09T16:18:07Z","links":{"resolver":"https://pith.science/pith/CIHUHP2DHK4BRO2CLGIQ4HJFJK","bundle":"https://pith.science/pith/CIHUHP2DHK4BRO2CLGIQ4HJFJK/bundle.json","state":"https://pith.science/pith/CIHUHP2DHK4BRO2CLGIQ4HJFJK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CIHUHP2DHK4BRO2CLGIQ4HJFJK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:CIHUHP2DHK4BRO2CLGIQ4HJFJK","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":"0d819bcb6728d699ff86dc2eff5e5dcb90349933db842662528b524a1aa373de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-05-17T09:40:51Z","title_canon_sha256":"1d5711c238adc474d8359864b909cbe14be1d0635ab03778b4a957b17034a51a"},"schema_version":"1.0","source":{"id":"1705.06067","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.06067","created_at":"2026-05-18T00:41:32Z"},{"alias_kind":"arxiv_version","alias_value":"1705.06067v1","created_at":"2026-05-18T00:41:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.06067","created_at":"2026-05-18T00:41:32Z"},{"alias_kind":"pith_short_12","alias_value":"CIHUHP2DHK4B","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CIHUHP2DHK4BRO2C","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CIHUHP2D","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:1189b83863786bb9b346415bac20cda5a5e447f23c6226d0604a24a2db5f340f","target":"graph","created_at":"2026-05-18T00:41:32Z","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":"As a dedicated synthetic aperture radio interferometer, the MingantU SpEctral Radioheliograph (MUSER), initially known as the Chinese Spectral RadioHeliograph (CSRH), has entered the stage of routine observation. More than 23 million data records per day need to be effectively managed to provide high performance data query and retrieval for scientific data reduction. In light of these massive amounts of data generated by the MUSER, in this paper, a novel data management technique called the negative database (ND) is proposed and used to implement a data management system for the MUSER. Based o","authors_text":"Congming Shi, Cuiyin Liu, Feng Wang, Hui Deng, Shoulin Wei, Yingbo Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-05-17T09:40:51Z","title":"High Performance Negative Database for Massive Data Management System of The Mingantu Spectral Radioheliograph"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.06067","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":"sha256:3e070afc9893e9c99e90061f04c79f7fd966a56e566c99e802c29b6e0f1f1428","target":"record","created_at":"2026-05-18T00:41:32Z","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":"0d819bcb6728d699ff86dc2eff5e5dcb90349933db842662528b524a1aa373de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-05-17T09:40:51Z","title_canon_sha256":"1d5711c238adc474d8359864b909cbe14be1d0635ab03778b4a957b17034a51a"},"schema_version":"1.0","source":{"id":"1705.06067","kind":"arxiv","version":1}},"canonical_sha256":"120f43bf433ab818bb4259910e1d254a8edd96581253b9d9ee0d80f7e2114f56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"120f43bf433ab818bb4259910e1d254a8edd96581253b9d9ee0d80f7e2114f56","first_computed_at":"2026-05-18T00:41:32.539784Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:32.539784Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8hKW5rzU1EUFeWy5cOzH6F/sGivCpUlNcBPsOEhTztKveZzUwDPWHb/SfFFb01KXBI2T4obR+hlQhLnX+vZPDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:32.540307Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.06067","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e070afc9893e9c99e90061f04c79f7fd966a56e566c99e802c29b6e0f1f1428","sha256:1189b83863786bb9b346415bac20cda5a5e447f23c6226d0604a24a2db5f340f"],"state_sha256":"1952fbbe4e70b0245e0dda86e9a3a3fde3356f2cb24d809774a80b3c8d3959b9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"acdW2jVQKZEjbgF/bPlY1aUz1pP5KDrR9BII9FZhYAqBHe23b0zrqc+JCv/3kV9VTJjIPBPLmCrkV2rq54RrDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T16:18:07.200026Z","bundle_sha256":"8efcb3a8bc221e50475d9d60b715097186f05be2dd42cccb228be8b4b66dd84b"}}