{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:DPVY7MSFRTMTAT5AKAQSBY5N6R","short_pith_number":"pith:DPVY7MSF","canonical_record":{"source":{"id":"2109.00088","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-08-31T21:49:17Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"6f223ee39e8ca5c1caa2ef73e64037c1fdc87703a248899962288c68151b04ca","abstract_canon_sha256":"2649e7e4457db9349386292a60050dd41aae7e37d7c81884a1140ebb24cdb3a1"},"schema_version":"1.0"},"canonical_sha256":"1beb8fb2458cd9304fa0502120e3adf45eb4a0f0d723b3b022118df9bdf209e1","source":{"kind":"arxiv","id":"2109.00088","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.00088","created_at":"2026-07-05T03:34:34Z"},{"alias_kind":"arxiv_version","alias_value":"2109.00088v1","created_at":"2026-07-05T03:34:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.00088","created_at":"2026-07-05T03:34:34Z"},{"alias_kind":"pith_short_12","alias_value":"DPVY7MSFRTMT","created_at":"2026-07-05T03:34:34Z"},{"alias_kind":"pith_short_16","alias_value":"DPVY7MSFRTMTAT5A","created_at":"2026-07-05T03:34:34Z"},{"alias_kind":"pith_short_8","alias_value":"DPVY7MSF","created_at":"2026-07-05T03:34:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:DPVY7MSFRTMTAT5AKAQSBY5N6R","target":"record","payload":{"canonical_record":{"source":{"id":"2109.00088","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-08-31T21:49:17Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"6f223ee39e8ca5c1caa2ef73e64037c1fdc87703a248899962288c68151b04ca","abstract_canon_sha256":"2649e7e4457db9349386292a60050dd41aae7e37d7c81884a1140ebb24cdb3a1"},"schema_version":"1.0"},"canonical_sha256":"1beb8fb2458cd9304fa0502120e3adf45eb4a0f0d723b3b022118df9bdf209e1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:34:34.158933Z","signature_b64":"6sf0ClOFQJyoqLwVamf4XCRYNQ5mSmNenMPQxpXKjS+XNy0kYgVP0ZRA+GgdEvszytJdj9VdfNaxQfn9hyZ5Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1beb8fb2458cd9304fa0502120e3adf45eb4a0f0d723b3b022118df9bdf209e1","last_reissued_at":"2026-07-05T03:34:34.158508Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:34:34.158508Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.00088","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":"2026-07-05T03:34:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QjVjxsVg9Hf1SgAl5FTthLlob5V/NGODQcPAYtOOhmzX7FKEQAxK2a8rZd3DR3fKY+CspKVmtzFfjcdKPgqbAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T23:37:44.877693Z"},"content_sha256":"ec63352ad0fc52620bc58c59ce4e3c584d8cd33d48dd0f79ac95445f559a1108","schema_version":"1.0","event_id":"sha256:ec63352ad0fc52620bc58c59ce4e3c584d8cd33d48dd0f79ac95445f559a1108"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:DPVY7MSFRTMTAT5AKAQSBY5N6R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploring the Solar System with the NOIRLab Source Catalog I: Detecting Objects with CANFind","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.IM","authors_text":"David L. Nidever, Katie M. Fasbender","submitted_at":"2021-08-31T21:49:17Z","abstract_excerpt":"Despite extensive searches and the relative proximity of solar system objects (SSOS) to Earth, many remain undiscovered and there is still much to learn about their properties and interactions. This work is the first in a series dedicated to detecting and analyzing SSOs in the all-sky NOIRLab Source Catalog (NSC). We search the first data release of the NSC with CANFind, a Computationally Automated NSC tracklet Finder. NSC DR1 contains 34 billion measurements of 2.9 billion unique objects, which CANFind categorizes as belonging to \"stationary\" (distant stars, galaxies) or moving (SSOs) objects"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.00088","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2109.00088/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:34:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2WPdDwE9FuPse1YiOcvUWGlQH3X4RdyCPsdS5PPci8/avlkqRLlV0UPipfkqw4GIkh4ObORdm6SIvJr+n4LhAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T23:37:44.878470Z"},"content_sha256":"6a88e72e7d16a57e635be9161c67435efaab83fbb03756239a5e667d2ed1a2a0","schema_version":"1.0","event_id":"sha256:6a88e72e7d16a57e635be9161c67435efaab83fbb03756239a5e667d2ed1a2a0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DPVY7MSFRTMTAT5AKAQSBY5N6R/bundle.json","state_url":"https://pith.science/pith/DPVY7MSFRTMTAT5AKAQSBY5N6R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DPVY7MSFRTMTAT5AKAQSBY5N6R/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":"2026-08-04T23:37:44Z","links":{"resolver":"https://pith.science/pith/DPVY7MSFRTMTAT5AKAQSBY5N6R","bundle":"https://pith.science/pith/DPVY7MSFRTMTAT5AKAQSBY5N6R/bundle.json","state":"https://pith.science/pith/DPVY7MSFRTMTAT5AKAQSBY5N6R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DPVY7MSFRTMTAT5AKAQSBY5N6R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:DPVY7MSFRTMTAT5AKAQSBY5N6R","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":"2649e7e4457db9349386292a60050dd41aae7e37d7c81884a1140ebb24cdb3a1","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-08-31T21:49:17Z","title_canon_sha256":"6f223ee39e8ca5c1caa2ef73e64037c1fdc87703a248899962288c68151b04ca"},"schema_version":"1.0","source":{"id":"2109.00088","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.00088","created_at":"2026-07-05T03:34:34Z"},{"alias_kind":"arxiv_version","alias_value":"2109.00088v1","created_at":"2026-07-05T03:34:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.00088","created_at":"2026-07-05T03:34:34Z"},{"alias_kind":"pith_short_12","alias_value":"DPVY7MSFRTMT","created_at":"2026-07-05T03:34:34Z"},{"alias_kind":"pith_short_16","alias_value":"DPVY7MSFRTMTAT5A","created_at":"2026-07-05T03:34:34Z"},{"alias_kind":"pith_short_8","alias_value":"DPVY7MSF","created_at":"2026-07-05T03:34:34Z"}],"graph_snapshots":[{"event_id":"sha256:6a88e72e7d16a57e635be9161c67435efaab83fbb03756239a5e667d2ed1a2a0","target":"graph","created_at":"2026-07-05T03:34:34Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2109.00088/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Despite extensive searches and the relative proximity of solar system objects (SSOS) to Earth, many remain undiscovered and there is still much to learn about their properties and interactions. This work is the first in a series dedicated to detecting and analyzing SSOs in the all-sky NOIRLab Source Catalog (NSC). We search the first data release of the NSC with CANFind, a Computationally Automated NSC tracklet Finder. NSC DR1 contains 34 billion measurements of 2.9 billion unique objects, which CANFind categorizes as belonging to \"stationary\" (distant stars, galaxies) or moving (SSOs) objects","authors_text":"David L. Nidever, Katie M. Fasbender","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-08-31T21:49:17Z","title":"Exploring the Solar System with the NOIRLab Source Catalog I: Detecting Objects with CANFind"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.00088","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:ec63352ad0fc52620bc58c59ce4e3c584d8cd33d48dd0f79ac95445f559a1108","target":"record","created_at":"2026-07-05T03:34:34Z","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":"2649e7e4457db9349386292a60050dd41aae7e37d7c81884a1140ebb24cdb3a1","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-08-31T21:49:17Z","title_canon_sha256":"6f223ee39e8ca5c1caa2ef73e64037c1fdc87703a248899962288c68151b04ca"},"schema_version":"1.0","source":{"id":"2109.00088","kind":"arxiv","version":1}},"canonical_sha256":"1beb8fb2458cd9304fa0502120e3adf45eb4a0f0d723b3b022118df9bdf209e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1beb8fb2458cd9304fa0502120e3adf45eb4a0f0d723b3b022118df9bdf209e1","first_computed_at":"2026-07-05T03:34:34.158508Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:34:34.158508Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6sf0ClOFQJyoqLwVamf4XCRYNQ5mSmNenMPQxpXKjS+XNy0kYgVP0ZRA+GgdEvszytJdj9VdfNaxQfn9hyZ5Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:34:34.158933Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.00088","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ec63352ad0fc52620bc58c59ce4e3c584d8cd33d48dd0f79ac95445f559a1108","sha256:6a88e72e7d16a57e635be9161c67435efaab83fbb03756239a5e667d2ed1a2a0"],"state_sha256":"f77b6664eb7cada0900072d62b372adfb2fba3b8c10d3bc8287341a5f8c2f6ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qRjRvoHXukdTg1boQ0l3pght0vwb1LYrF2oJ8JM/eUzGCioM6ABYQVkLcGb9TBcDgulh+OBYb5vCPG9TEai6DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T23:37:44.885282Z","bundle_sha256":"c9736918e4a869443054b01bd20c8beaa16edbefe941c03d96b312d9dcb28638"}}