{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:V32M3LN2NAKLLOYTKHYMVE3ZRG","short_pith_number":"pith:V32M3LN2","canonical_record":{"source":{"id":"1403.4353","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-03-18T06:00:58Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"dd66bb70ecf5c429a1e69812e2b6d60f4ccce347e82f2ce15221d8284acc90a7","abstract_canon_sha256":"f7d49f3e5181a3a186fdd4ea96fcd53463f03ee037e274340fa7f6c856e2449a"},"schema_version":"1.0"},"canonical_sha256":"aef4cdadba6814b5bb1351f0ca937989a61a3785965830d3a58572c488247469","source":{"kind":"arxiv","id":"1403.4353","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.4353","created_at":"2026-05-18T02:44:56Z"},{"alias_kind":"arxiv_version","alias_value":"1403.4353v1","created_at":"2026-05-18T02:44:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.4353","created_at":"2026-05-18T02:44:56Z"},{"alias_kind":"pith_short_12","alias_value":"V32M3LN2NAKL","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"V32M3LN2NAKLLOYT","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"V32M3LN2","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:V32M3LN2NAKLLOYTKHYMVE3ZRG","target":"record","payload":{"canonical_record":{"source":{"id":"1403.4353","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-03-18T06:00:58Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"dd66bb70ecf5c429a1e69812e2b6d60f4ccce347e82f2ce15221d8284acc90a7","abstract_canon_sha256":"f7d49f3e5181a3a186fdd4ea96fcd53463f03ee037e274340fa7f6c856e2449a"},"schema_version":"1.0"},"canonical_sha256":"aef4cdadba6814b5bb1351f0ca937989a61a3785965830d3a58572c488247469","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:44:56.524468Z","signature_b64":"iP6w7jLok2RowzSN1reMe0PX2cs6iH3V+3uwbxDEiwIggU8yjW+YK5wBjJE7wbuFYbKvmjgPWJtCvOvazK/9DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aef4cdadba6814b5bb1351f0ca937989a61a3785965830d3a58572c488247469","last_reissued_at":"2026-05-18T02:44:56.523841Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:44:56.523841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.4353","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":"2026-05-18T02:44:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T0/NY3Jn2vsg+ACodEn0zWzykjpHC7yQ3D3yCVgQ32s5So3hDZThIGbMseGKOmCjtW5G8tut7zKNHGGfXaEoDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:39:33.258751Z"},"content_sha256":"2a04c37d284d4f75e5244bedaf22c7e080e19fd5d5799f6e9bc1bd790a228f21","schema_version":"1.0","event_id":"sha256:2a04c37d284d4f75e5244bedaf22c7e080e19fd5d5799f6e9bc1bd790a228f21"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:V32M3LN2NAKLLOYTKHYMVE3ZRG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detection of a faint fast-moving near-Earth asteroid using synthetic tracking technique","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.IM","authors_text":"Bijan Nemati, Chengxing Zhai, Gregg W. Hallinan, Hanying Zhou, Jagmit Sandhu, Leon K. Harding, Michael Shao, Slava G. Turyshev, Thomas A. Werne","submitted_at":"2014-03-18T06:00:58Z","abstract_excerpt":"We report a detection of a faint near-Earth asteroid (NEA), which was done using our synthetic tracking technique and the CHIMERA instrument on the Palomar 200-inch telescope. This asteroid, with apparent magnitude of 23, was moving at 5.97 degrees per day and was detected at a signal-to-noise ratio (SNR) of 15 using 30 sec of data taken at a 16.7 Hz frame rate. The detection was confirmed by a second observation one hour later at the same SNR. The asteroid moved 7 arcseconds in sky over the 30 sec of integration time because of its high proper motion. The synthetic tracking using 16.7 Hz fram"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.4353","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":"2026-05-18T02:44:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T0W6GEFvdYq2XDPqN1c+bmpSm+5Evk3nsMaQHc7/94T01Jrgky98QMJzoe1LebiTGYoedmYBNEL2dIvPdO73Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:39:33.259435Z"},"content_sha256":"9314d01f2b5e8a1e066bc3f1a6b7a7f91ddd7ec782ada533a5bbd6e1a3d7a0ba","schema_version":"1.0","event_id":"sha256:9314d01f2b5e8a1e066bc3f1a6b7a7f91ddd7ec782ada533a5bbd6e1a3d7a0ba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V32M3LN2NAKLLOYTKHYMVE3ZRG/bundle.json","state_url":"https://pith.science/pith/V32M3LN2NAKLLOYTKHYMVE3ZRG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V32M3LN2NAKLLOYTKHYMVE3ZRG/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":"2026-05-25T16:39:33Z","links":{"resolver":"https://pith.science/pith/V32M3LN2NAKLLOYTKHYMVE3ZRG","bundle":"https://pith.science/pith/V32M3LN2NAKLLOYTKHYMVE3ZRG/bundle.json","state":"https://pith.science/pith/V32M3LN2NAKLLOYTKHYMVE3ZRG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V32M3LN2NAKLLOYTKHYMVE3ZRG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:V32M3LN2NAKLLOYTKHYMVE3ZRG","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":"f7d49f3e5181a3a186fdd4ea96fcd53463f03ee037e274340fa7f6c856e2449a","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-03-18T06:00:58Z","title_canon_sha256":"dd66bb70ecf5c429a1e69812e2b6d60f4ccce347e82f2ce15221d8284acc90a7"},"schema_version":"1.0","source":{"id":"1403.4353","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.4353","created_at":"2026-05-18T02:44:56Z"},{"alias_kind":"arxiv_version","alias_value":"1403.4353v1","created_at":"2026-05-18T02:44:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.4353","created_at":"2026-05-18T02:44:56Z"},{"alias_kind":"pith_short_12","alias_value":"V32M3LN2NAKL","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"V32M3LN2NAKLLOYT","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"V32M3LN2","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:9314d01f2b5e8a1e066bc3f1a6b7a7f91ddd7ec782ada533a5bbd6e1a3d7a0ba","target":"graph","created_at":"2026-05-18T02:44:56Z","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":"We report a detection of a faint near-Earth asteroid (NEA), which was done using our synthetic tracking technique and the CHIMERA instrument on the Palomar 200-inch telescope. This asteroid, with apparent magnitude of 23, was moving at 5.97 degrees per day and was detected at a signal-to-noise ratio (SNR) of 15 using 30 sec of data taken at a 16.7 Hz frame rate. The detection was confirmed by a second observation one hour later at the same SNR. The asteroid moved 7 arcseconds in sky over the 30 sec of integration time because of its high proper motion. The synthetic tracking using 16.7 Hz fram","authors_text":"Bijan Nemati, Chengxing Zhai, Gregg W. Hallinan, Hanying Zhou, Jagmit Sandhu, Leon K. Harding, Michael Shao, Slava G. Turyshev, Thomas A. Werne","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-03-18T06:00:58Z","title":"Detection of a faint fast-moving near-Earth asteroid using synthetic tracking technique"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.4353","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":"sha256:2a04c37d284d4f75e5244bedaf22c7e080e19fd5d5799f6e9bc1bd790a228f21","target":"record","created_at":"2026-05-18T02:44:56Z","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":"f7d49f3e5181a3a186fdd4ea96fcd53463f03ee037e274340fa7f6c856e2449a","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-03-18T06:00:58Z","title_canon_sha256":"dd66bb70ecf5c429a1e69812e2b6d60f4ccce347e82f2ce15221d8284acc90a7"},"schema_version":"1.0","source":{"id":"1403.4353","kind":"arxiv","version":1}},"canonical_sha256":"aef4cdadba6814b5bb1351f0ca937989a61a3785965830d3a58572c488247469","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aef4cdadba6814b5bb1351f0ca937989a61a3785965830d3a58572c488247469","first_computed_at":"2026-05-18T02:44:56.523841Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:44:56.523841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iP6w7jLok2RowzSN1reMe0PX2cs6iH3V+3uwbxDEiwIggU8yjW+YK5wBjJE7wbuFYbKvmjgPWJtCvOvazK/9DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:44:56.524468Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.4353","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a04c37d284d4f75e5244bedaf22c7e080e19fd5d5799f6e9bc1bd790a228f21","sha256:9314d01f2b5e8a1e066bc3f1a6b7a7f91ddd7ec782ada533a5bbd6e1a3d7a0ba"],"state_sha256":"b4bc30278f1f7d83f4594486296764e5bfe32d77ea274c82f774f390935676a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HCMoxCzJCn+1BbOYH4L39CXZh0SGbjF8IJ5ogla2ISS1THYWeOkFCyldZwthHljJPxjApChufJsyiYlT3ZR3AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:39:33.263140Z","bundle_sha256":"85cefcbb47a1b829b2eba94d4fe0f15c40935ff7a22dc0111326b3743edf74b8"}}