{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:3LIELZN5OHQNZ6FDHEZKKIILTP","short_pith_number":"pith:3LIELZN5","canonical_record":{"source":{"id":"1204.4182","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-04-18T20:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"da9adaaf62e4928c8e08cd64855bab43b288128a873e698d09c0e97d07a20bec","abstract_canon_sha256":"691822ee39e08220d4e7ece653baa6832bcb3d9024fe6d46bc2746d9a35da724"},"schema_version":"1.0"},"canonical_sha256":"dad045e5bd71e0dcf8a33932a5210b9bd09b6faf5ee0336a1f406b57aa5afeeb","source":{"kind":"arxiv","id":"1204.4182","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.4182","created_at":"2026-05-18T01:57:49Z"},{"alias_kind":"arxiv_version","alias_value":"1204.4182v2","created_at":"2026-05-18T01:57:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.4182","created_at":"2026-05-18T01:57:49Z"},{"alias_kind":"pith_short_12","alias_value":"3LIELZN5OHQN","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"3LIELZN5OHQNZ6FD","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"3LIELZN5","created_at":"2026-05-18T12:26:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:3LIELZN5OHQNZ6FDHEZKKIILTP","target":"record","payload":{"canonical_record":{"source":{"id":"1204.4182","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-04-18T20:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"da9adaaf62e4928c8e08cd64855bab43b288128a873e698d09c0e97d07a20bec","abstract_canon_sha256":"691822ee39e08220d4e7ece653baa6832bcb3d9024fe6d46bc2746d9a35da724"},"schema_version":"1.0"},"canonical_sha256":"dad045e5bd71e0dcf8a33932a5210b9bd09b6faf5ee0336a1f406b57aa5afeeb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:49.140741Z","signature_b64":"iLEHch9YTwsPdCLC9tCisbtA7HlK+IxNP9sqWnY1pS64CucG48eglU9dySL7nxCKkZRps3ImiqwBZuRXdWUDCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dad045e5bd71e0dcf8a33932a5210b9bd09b6faf5ee0336a1f406b57aa5afeeb","last_reissued_at":"2026-05-18T01:57:49.140284Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:49.140284Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.4182","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:57:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"piBa9UQotftEKiGxXcVThUrX7QpIR8ksYhYeVNFgJlNXLZJ3XbI4Um8WTwdHSV/LPM6bI877u3fFsKjO666sBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T20:37:22.552809Z"},"content_sha256":"67ed31e88a0db2ead91e06c52909d587c750beaf152ff08a2fdbec676ea0e913","schema_version":"1.0","event_id":"sha256:67ed31e88a0db2ead91e06c52909d587c750beaf152ff08a2fdbec676ea0e913"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:3LIELZN5OHQNZ6FDHEZKKIILTP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SSOS: A Moving Object Image Search Tool for Asteroid Precovery","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"J. J. Kavelaars, Norman Hill, Stephen. D. J. Gwyn","submitted_at":"2012-04-18T20:00:02Z","abstract_excerpt":"It is very difficult to find archival images of solar system objects. While regular archive searches can find images at a fixed location, they cannot find images of moving targets. Archival images have become increasingly useful to galactic and stellar astronomers the last few years but, until now, solar system researchers have been at a disadvantage in this respect. The Solar System Object Search (SSOS) at the Canadian Astronomy Data Centre allows users to search for images of moving objects. SSOS accepts as input either a list of observations, an object designation, a set of orbital elements"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.4182","kind":"arxiv","version":2},"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":"2026-05-18T01:57:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V3ohdhnp0A9eoAaEEjQUuoopAAN4yW7govymbkjHyBUp4R7xc3Uar4d5CqMboLJB0MJxnRJAEr27CqRLXw+VBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T20:37:22.553281Z"},"content_sha256":"01dc7600ca4e0e7ac38484736470e4e7ae49318f5faea6b429ca57485365cdd1","schema_version":"1.0","event_id":"sha256:01dc7600ca4e0e7ac38484736470e4e7ae49318f5faea6b429ca57485365cdd1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3LIELZN5OHQNZ6FDHEZKKIILTP/bundle.json","state_url":"https://pith.science/pith/3LIELZN5OHQNZ6FDHEZKKIILTP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3LIELZN5OHQNZ6FDHEZKKIILTP/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":"2026-05-29T20:37:22Z","links":{"resolver":"https://pith.science/pith/3LIELZN5OHQNZ6FDHEZKKIILTP","bundle":"https://pith.science/pith/3LIELZN5OHQNZ6FDHEZKKIILTP/bundle.json","state":"https://pith.science/pith/3LIELZN5OHQNZ6FDHEZKKIILTP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3LIELZN5OHQNZ6FDHEZKKIILTP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:3LIELZN5OHQNZ6FDHEZKKIILTP","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":"691822ee39e08220d4e7ece653baa6832bcb3d9024fe6d46bc2746d9a35da724","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-04-18T20:00:02Z","title_canon_sha256":"da9adaaf62e4928c8e08cd64855bab43b288128a873e698d09c0e97d07a20bec"},"schema_version":"1.0","source":{"id":"1204.4182","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.4182","created_at":"2026-05-18T01:57:49Z"},{"alias_kind":"arxiv_version","alias_value":"1204.4182v2","created_at":"2026-05-18T01:57:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.4182","created_at":"2026-05-18T01:57:49Z"},{"alias_kind":"pith_short_12","alias_value":"3LIELZN5OHQN","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"3LIELZN5OHQNZ6FD","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"3LIELZN5","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:01dc7600ca4e0e7ac38484736470e4e7ae49318f5faea6b429ca57485365cdd1","target":"graph","created_at":"2026-05-18T01:57:49Z","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":"It is very difficult to find archival images of solar system objects. While regular archive searches can find images at a fixed location, they cannot find images of moving targets. Archival images have become increasingly useful to galactic and stellar astronomers the last few years but, until now, solar system researchers have been at a disadvantage in this respect. The Solar System Object Search (SSOS) at the Canadian Astronomy Data Centre allows users to search for images of moving objects. SSOS accepts as input either a list of observations, an object designation, a set of orbital elements","authors_text":"J. J. Kavelaars, Norman Hill, Stephen. D. J. Gwyn","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-04-18T20:00:02Z","title":"SSOS: A Moving Object Image Search Tool for Asteroid Precovery"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.4182","kind":"arxiv","version":2},"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":"sha256:67ed31e88a0db2ead91e06c52909d587c750beaf152ff08a2fdbec676ea0e913","target":"record","created_at":"2026-05-18T01:57:49Z","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":"691822ee39e08220d4e7ece653baa6832bcb3d9024fe6d46bc2746d9a35da724","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-04-18T20:00:02Z","title_canon_sha256":"da9adaaf62e4928c8e08cd64855bab43b288128a873e698d09c0e97d07a20bec"},"schema_version":"1.0","source":{"id":"1204.4182","kind":"arxiv","version":2}},"canonical_sha256":"dad045e5bd71e0dcf8a33932a5210b9bd09b6faf5ee0336a1f406b57aa5afeeb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dad045e5bd71e0dcf8a33932a5210b9bd09b6faf5ee0336a1f406b57aa5afeeb","first_computed_at":"2026-05-18T01:57:49.140284Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:49.140284Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iLEHch9YTwsPdCLC9tCisbtA7HlK+IxNP9sqWnY1pS64CucG48eglU9dySL7nxCKkZRps3ImiqwBZuRXdWUDCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:49.140741Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.4182","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:67ed31e88a0db2ead91e06c52909d587c750beaf152ff08a2fdbec676ea0e913","sha256:01dc7600ca4e0e7ac38484736470e4e7ae49318f5faea6b429ca57485365cdd1"],"state_sha256":"ce93b2b000bd3fa67f91cbb85d98150c865bdc8c6a1e34b7fc23f4f273ed0d60"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cBMceC+HSUG5tyslnjhrCiNFRk3MZXOM2cJdM/Kc5uLfTwA0dePIn7tRLVUyIrW8nKeJYsvcGGWt1FwjpUACBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T20:37:22.556203Z","bundle_sha256":"4a7dc11d7c83fbf57f7e84ff3654a89d37dbba5e93881a9539020687cd1fabcf"}}