{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:VPPA3NAYD5RYFTOP6T5NNTV4EV","short_pith_number":"pith:VPPA3NAY","canonical_record":{"source":{"id":"1802.08560","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-02-23T14:45:14Z","cross_cats_sorted":[],"title_canon_sha256":"3e9330764c8c252269a71212ca622b05357511230de2584e3fb1b1cc44116463","abstract_canon_sha256":"3de76587a9695fa767eeab3e841e12b8b70fcf656f6032d8e479cf79a1c79198"},"schema_version":"1.0"},"canonical_sha256":"abde0db4181f6382cdcff4fad6cebc255822da7d36f55722077eea25feea8c10","source":{"kind":"arxiv","id":"1802.08560","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.08560","created_at":"2026-05-18T00:22:41Z"},{"alias_kind":"arxiv_version","alias_value":"1802.08560v1","created_at":"2026-05-18T00:22:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.08560","created_at":"2026-05-18T00:22:41Z"},{"alias_kind":"pith_short_12","alias_value":"VPPA3NAYD5RY","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VPPA3NAYD5RYFTOP","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VPPA3NAY","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:VPPA3NAYD5RYFTOP6T5NNTV4EV","target":"record","payload":{"canonical_record":{"source":{"id":"1802.08560","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-02-23T14:45:14Z","cross_cats_sorted":[],"title_canon_sha256":"3e9330764c8c252269a71212ca622b05357511230de2584e3fb1b1cc44116463","abstract_canon_sha256":"3de76587a9695fa767eeab3e841e12b8b70fcf656f6032d8e479cf79a1c79198"},"schema_version":"1.0"},"canonical_sha256":"abde0db4181f6382cdcff4fad6cebc255822da7d36f55722077eea25feea8c10","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:41.165740Z","signature_b64":"A7ludasOsueyCrpt34KedPDJ5aFas8YBWXFAkfmrIgIBkDTPtW1uSISIWutZMJL483ABeriwTpNi8ORc9KVyDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"abde0db4181f6382cdcff4fad6cebc255822da7d36f55722077eea25feea8c10","last_reissued_at":"2026-05-18T00:22:41.164951Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:41.164951Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.08560","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":"2026-05-18T00:22:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3YuKJXxcAiRzhKk4hmNkW0qUSfZUzmioxbtJitsO2bJH2ZPvL8xfxm6bAinDGRv51vzaXSC26X918n8O8oxUBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T15:08:17.677500Z"},"content_sha256":"ab56ae691eb49e1d26bd2fc6506a4393cc73437a6f87eb42a2d43809179f1feb","schema_version":"1.0","event_id":"sha256:ab56ae691eb49e1d26bd2fc6506a4393cc73437a6f87eb42a2d43809179f1feb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:VPPA3NAYD5RYFTOP6T5NNTV4EV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Teaching students about informatics and astronomy using real data for detection of asteroids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. L. Boldea, O. Vaduvescu","submitted_at":"2018-02-23T14:45:14Z","abstract_excerpt":"In this paper we approach the astronomy teaching process for the students in computer sciences through the controlled investigation method on real astronomical data, using data reduction and quality control of the astrometry of near-Earth asteroids. The method used the data collected on the Isaac Newton Telescope (INT) located at the ORM observatory on the island of La Palma in the Spanish Canary Islands and was successfully tested on a group of students in the second-year of study."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.08560","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":"2026-05-18T00:22:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kxvdCcEJtMVH5/TUhCsf+3SaYUMTiBuYSYekYMDRgY80+z8PQzv7GYXu9IakAe6EZy+YUNtmSfC+EIjOygWHAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T15:08:17.677854Z"},"content_sha256":"ee4d37be4aadbeb673fe6c5f5b81d43625b5acf837fdec5629901a7333857dae","schema_version":"1.0","event_id":"sha256:ee4d37be4aadbeb673fe6c5f5b81d43625b5acf837fdec5629901a7333857dae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VPPA3NAYD5RYFTOP6T5NNTV4EV/bundle.json","state_url":"https://pith.science/pith/VPPA3NAYD5RYFTOP6T5NNTV4EV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VPPA3NAYD5RYFTOP6T5NNTV4EV/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":"2026-06-10T15:08:17Z","links":{"resolver":"https://pith.science/pith/VPPA3NAYD5RYFTOP6T5NNTV4EV","bundle":"https://pith.science/pith/VPPA3NAYD5RYFTOP6T5NNTV4EV/bundle.json","state":"https://pith.science/pith/VPPA3NAYD5RYFTOP6T5NNTV4EV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VPPA3NAYD5RYFTOP6T5NNTV4EV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VPPA3NAYD5RYFTOP6T5NNTV4EV","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":"3de76587a9695fa767eeab3e841e12b8b70fcf656f6032d8e479cf79a1c79198","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-02-23T14:45:14Z","title_canon_sha256":"3e9330764c8c252269a71212ca622b05357511230de2584e3fb1b1cc44116463"},"schema_version":"1.0","source":{"id":"1802.08560","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.08560","created_at":"2026-05-18T00:22:41Z"},{"alias_kind":"arxiv_version","alias_value":"1802.08560v1","created_at":"2026-05-18T00:22:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.08560","created_at":"2026-05-18T00:22:41Z"},{"alias_kind":"pith_short_12","alias_value":"VPPA3NAYD5RY","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VPPA3NAYD5RYFTOP","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VPPA3NAY","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:ee4d37be4aadbeb673fe6c5f5b81d43625b5acf837fdec5629901a7333857dae","target":"graph","created_at":"2026-05-18T00:22:41Z","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":"In this paper we approach the astronomy teaching process for the students in computer sciences through the controlled investigation method on real astronomical data, using data reduction and quality control of the astrometry of near-Earth asteroids. The method used the data collected on the Isaac Newton Telescope (INT) located at the ORM observatory on the island of La Palma in the Spanish Canary Islands and was successfully tested on a group of students in the second-year of study.","authors_text":"A. L. Boldea, O. Vaduvescu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-02-23T14:45:14Z","title":"Teaching students about informatics and astronomy using real data for detection of asteroids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.08560","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:ab56ae691eb49e1d26bd2fc6506a4393cc73437a6f87eb42a2d43809179f1feb","target":"record","created_at":"2026-05-18T00:22:41Z","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":"3de76587a9695fa767eeab3e841e12b8b70fcf656f6032d8e479cf79a1c79198","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-02-23T14:45:14Z","title_canon_sha256":"3e9330764c8c252269a71212ca622b05357511230de2584e3fb1b1cc44116463"},"schema_version":"1.0","source":{"id":"1802.08560","kind":"arxiv","version":1}},"canonical_sha256":"abde0db4181f6382cdcff4fad6cebc255822da7d36f55722077eea25feea8c10","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"abde0db4181f6382cdcff4fad6cebc255822da7d36f55722077eea25feea8c10","first_computed_at":"2026-05-18T00:22:41.164951Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:41.164951Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A7ludasOsueyCrpt34KedPDJ5aFas8YBWXFAkfmrIgIBkDTPtW1uSISIWutZMJL483ABeriwTpNi8ORc9KVyDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:41.165740Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.08560","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab56ae691eb49e1d26bd2fc6506a4393cc73437a6f87eb42a2d43809179f1feb","sha256:ee4d37be4aadbeb673fe6c5f5b81d43625b5acf837fdec5629901a7333857dae"],"state_sha256":"c38d71dd4a36a5313a7b935080ca157ecda7681187827de131d31e0a7085f0be"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uQhd+6T648NcNOamS+d90C67Um6PV4Hs55do3SF5fJiNiER10K958gSZpkXdOhouttQsgf0XF48VGjwjidfmBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T15:08:17.679809Z","bundle_sha256":"fbfb4135af6c4d28ce42c362884f5d65a2c25a001ddaca020e21f89864e539ea"}}