{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:SP5SZ6NQOGK3OUBBTLOY5CLREP","short_pith_number":"pith:SP5SZ6NQ","canonical_record":{"source":{"id":"1411.3431","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-11-13T02:54:24Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"9d97858ae2fe8a452918336fb0b97bbed938f4deafe5e63ed7d0adb2775de339","abstract_canon_sha256":"02da68e6ebba34813fd8e35fa4f0efbd257a508c9e25f29cd52a878a750093ff"},"schema_version":"1.0"},"canonical_sha256":"93fb2cf9b07195b750219add8e897123c029a395e6ee9598ba76032426e2c364","source":{"kind":"arxiv","id":"1411.3431","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.3431","created_at":"2026-05-18T01:41:30Z"},{"alias_kind":"arxiv_version","alias_value":"1411.3431v1","created_at":"2026-05-18T01:41:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.3431","created_at":"2026-05-18T01:41:30Z"},{"alias_kind":"pith_short_12","alias_value":"SP5SZ6NQOGK3","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SP5SZ6NQOGK3OUBB","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SP5SZ6NQ","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:SP5SZ6NQOGK3OUBBTLOY5CLREP","target":"record","payload":{"canonical_record":{"source":{"id":"1411.3431","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-11-13T02:54:24Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"9d97858ae2fe8a452918336fb0b97bbed938f4deafe5e63ed7d0adb2775de339","abstract_canon_sha256":"02da68e6ebba34813fd8e35fa4f0efbd257a508c9e25f29cd52a878a750093ff"},"schema_version":"1.0"},"canonical_sha256":"93fb2cf9b07195b750219add8e897123c029a395e6ee9598ba76032426e2c364","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:30.941692Z","signature_b64":"8BgCgRvqGRXnAkucVVtvDviHZAtpUV2BgPaKS8BjuN4ZKUZo8SyQvlgUHp2pSrlUsJfULOwLyeZ4fNkJZPSaDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93fb2cf9b07195b750219add8e897123c029a395e6ee9598ba76032426e2c364","last_reissued_at":"2026-05-18T01:41:30.940925Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:30.940925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.3431","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":"2026-05-18T01:41:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rb35SM6HWu6Rhs0d9dAmWPhuZbqJmp/6jhJuE5k6JHcZ/9npq0q6UWsf/15GQ+FLetGMgPxvKuNSPaFfAyQ1CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T17:13:32.887404Z"},"content_sha256":"19571bb07020e90e097b5758d317b73c9871cdebb1aae2e8a1e72c8677bce692","schema_version":"1.0","event_id":"sha256:19571bb07020e90e097b5758d317b73c9871cdebb1aae2e8a1e72c8677bce692"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:SP5SZ6NQOGK3OUBBTLOY5CLREP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The THU-NAOC Transient Survey: the Performance and the First-year Result","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.IM","authors_text":"Chao Wu, Fang Huang, Hu Zou, Jujia Zhang, Junchen Chen, Jundan Nie, Jun Ma, Jun Mo, Kaicheng Zhang, Lifan Wang, Lingzhi Wang, Li Zhou, Qing Liu, Tianmeng Zhang, Wenxiong Li, Xiaofeng Wang, Xinyu Yao, Xulin Zhao, Xu Zhou, Zhaoji Jiang, Zhimin Zhou","submitted_at":"2014-11-13T02:54:24Z","abstract_excerpt":"The Tsinghua University-National Astronomical Observatories of China (NAOC) Transient Survey (TNTS) is an automatic survey for a systematic exploration of optical transients (OTs), conducted with a 60/90 cm Schmidt telescope at Xinglong station of NAOC. This survey repeatedly covers ~ 1000 square degrees of the north sky with a cadence of 3-4 days. With an exposure of 60 s, the survey reaches a limited unfiltered magnitude of about 19.5 mag. This enables us to discover supernovae at their relatively young stages. In this paper, we describe the overall performance of our survey during the first"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.3431","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":"2026-05-18T01:41:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OFRgLULFF4frvbL1x1RXMX+PSJMdrHLfBlVnmYcigoyP1YNyyhfUe33WTNbafOZ6l92wbuFK2e+avtyFU/MsDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T17:13:32.888093Z"},"content_sha256":"30e3706611b565177191a679461c3f2163b606c4b37c554ec16a89869582aa39","schema_version":"1.0","event_id":"sha256:30e3706611b565177191a679461c3f2163b606c4b37c554ec16a89869582aa39"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SP5SZ6NQOGK3OUBBTLOY5CLREP/bundle.json","state_url":"https://pith.science/pith/SP5SZ6NQOGK3OUBBTLOY5CLREP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SP5SZ6NQOGK3OUBBTLOY5CLREP/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":"2026-05-31T17:13:32Z","links":{"resolver":"https://pith.science/pith/SP5SZ6NQOGK3OUBBTLOY5CLREP","bundle":"https://pith.science/pith/SP5SZ6NQOGK3OUBBTLOY5CLREP/bundle.json","state":"https://pith.science/pith/SP5SZ6NQOGK3OUBBTLOY5CLREP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SP5SZ6NQOGK3OUBBTLOY5CLREP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:SP5SZ6NQOGK3OUBBTLOY5CLREP","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":"02da68e6ebba34813fd8e35fa4f0efbd257a508c9e25f29cd52a878a750093ff","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-11-13T02:54:24Z","title_canon_sha256":"9d97858ae2fe8a452918336fb0b97bbed938f4deafe5e63ed7d0adb2775de339"},"schema_version":"1.0","source":{"id":"1411.3431","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.3431","created_at":"2026-05-18T01:41:30Z"},{"alias_kind":"arxiv_version","alias_value":"1411.3431v1","created_at":"2026-05-18T01:41:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.3431","created_at":"2026-05-18T01:41:30Z"},{"alias_kind":"pith_short_12","alias_value":"SP5SZ6NQOGK3","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SP5SZ6NQOGK3OUBB","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SP5SZ6NQ","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:30e3706611b565177191a679461c3f2163b606c4b37c554ec16a89869582aa39","target":"graph","created_at":"2026-05-18T01:41:30Z","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":"The Tsinghua University-National Astronomical Observatories of China (NAOC) Transient Survey (TNTS) is an automatic survey for a systematic exploration of optical transients (OTs), conducted with a 60/90 cm Schmidt telescope at Xinglong station of NAOC. This survey repeatedly covers ~ 1000 square degrees of the north sky with a cadence of 3-4 days. With an exposure of 60 s, the survey reaches a limited unfiltered magnitude of about 19.5 mag. This enables us to discover supernovae at their relatively young stages. In this paper, we describe the overall performance of our survey during the first","authors_text":"Chao Wu, Fang Huang, Hu Zou, Jujia Zhang, Junchen Chen, Jundan Nie, Jun Ma, Jun Mo, Kaicheng Zhang, Lifan Wang, Lingzhi Wang, Li Zhou, Qing Liu, Tianmeng Zhang, Wenxiong Li, Xiaofeng Wang, Xinyu Yao, Xulin Zhao, Xu Zhou, Zhaoji Jiang, Zhimin Zhou","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-11-13T02:54:24Z","title":"The THU-NAOC Transient Survey: the Performance and the First-year Result"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.3431","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":"sha256:19571bb07020e90e097b5758d317b73c9871cdebb1aae2e8a1e72c8677bce692","target":"record","created_at":"2026-05-18T01:41:30Z","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":"02da68e6ebba34813fd8e35fa4f0efbd257a508c9e25f29cd52a878a750093ff","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-11-13T02:54:24Z","title_canon_sha256":"9d97858ae2fe8a452918336fb0b97bbed938f4deafe5e63ed7d0adb2775de339"},"schema_version":"1.0","source":{"id":"1411.3431","kind":"arxiv","version":1}},"canonical_sha256":"93fb2cf9b07195b750219add8e897123c029a395e6ee9598ba76032426e2c364","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"93fb2cf9b07195b750219add8e897123c029a395e6ee9598ba76032426e2c364","first_computed_at":"2026-05-18T01:41:30.940925Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:30.940925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8BgCgRvqGRXnAkucVVtvDviHZAtpUV2BgPaKS8BjuN4ZKUZo8SyQvlgUHp2pSrlUsJfULOwLyeZ4fNkJZPSaDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:30.941692Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.3431","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:19571bb07020e90e097b5758d317b73c9871cdebb1aae2e8a1e72c8677bce692","sha256:30e3706611b565177191a679461c3f2163b606c4b37c554ec16a89869582aa39"],"state_sha256":"b9f1ab7961652de00ff4e69b772494893c3c2ee06dc85a69b5e4f54925ac736d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b3/ywJAuLYxEYQI2e9hFi+q0vQTpaKURbICJFYU4jM0S1LMt2ctQGJunLQM0UvaSlvVaFVx0/ISY3tnm/rlEDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T17:13:32.891800Z","bundle_sha256":"6566b1df76e8b49748f47d65a5086c495fc8e1e41a85bbea8b75fb2cc0700f2d"}}