{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:Q2T2R45MJEL2O5DDCIGGEQDDSU","short_pith_number":"pith:Q2T2R45M","canonical_record":{"source":{"id":"1502.04037","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-02-13T16:02:15Z","cross_cats_sorted":[],"title_canon_sha256":"9ba82033d85fec4dac17b823679af25b500795cd28aeb3c1d63a6c9128746a5d","abstract_canon_sha256":"37678f16e7cb82e1b1bb5977f8c6589080ea76ed9c0bbff43e51a8c77940d0c8"},"schema_version":"1.0"},"canonical_sha256":"86a7a8f3ac4917a77463120c6240639524060a180841a3db91cb621906650a89","source":{"kind":"arxiv","id":"1502.04037","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.04037","created_at":"2026-05-18T01:29:03Z"},{"alias_kind":"arxiv_version","alias_value":"1502.04037v1","created_at":"2026-05-18T01:29:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.04037","created_at":"2026-05-18T01:29:03Z"},{"alias_kind":"pith_short_12","alias_value":"Q2T2R45MJEL2","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"Q2T2R45MJEL2O5DD","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"Q2T2R45M","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:Q2T2R45MJEL2O5DDCIGGEQDDSU","target":"record","payload":{"canonical_record":{"source":{"id":"1502.04037","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-02-13T16:02:15Z","cross_cats_sorted":[],"title_canon_sha256":"9ba82033d85fec4dac17b823679af25b500795cd28aeb3c1d63a6c9128746a5d","abstract_canon_sha256":"37678f16e7cb82e1b1bb5977f8c6589080ea76ed9c0bbff43e51a8c77940d0c8"},"schema_version":"1.0"},"canonical_sha256":"86a7a8f3ac4917a77463120c6240639524060a180841a3db91cb621906650a89","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:29:03.285847Z","signature_b64":"HASkQjKAIHKnxndfu3wDHV+V9t2RmQ1l9GY2wA5573mQY9nGBCCq8PBEjdkNehEMUw0sDl+3kpAhU7GsoCJcCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"86a7a8f3ac4917a77463120c6240639524060a180841a3db91cb621906650a89","last_reissued_at":"2026-05-18T01:29:03.285115Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:29:03.285115Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.04037","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":"2026-05-18T01:29:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D0gfSuzUGfHPtM93n0aubMWSTR1vnkHrbl0ltbE48myo/5mULdXVWiDh9fh8Z3wWbqikkalfqjgjQRdqog7uDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T09:39:50.001408Z"},"content_sha256":"f2a67f47648f346f426aee76f74169c932d25dd49b76e5a1393db8948b00502e","schema_version":"1.0","event_id":"sha256:f2a67f47648f346f426aee76f74169c932d25dd49b76e5a1393db8948b00502e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:Q2T2R45MJEL2O5DDCIGGEQDDSU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards photometry pipeline of the Indonesian space surveillance system","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. Rachman, B. Religia, R. Priyatikanto, T. Dani","submitted_at":"2015-02-13T16:02:15Z","abstract_excerpt":"Optical observation through sub-meter telescope equipped with CCD camera becomes alternative method for increasing orbital debris detection and surveillance. This observational mode is expected to eye medium-sized objects in higher orbits (e.g. MEO, GTO, GSO \\& GEO), beyond the reach of usual radar system. However, such observation of fast-moving objects demands special treatment and analysis technique. In this study, we performed photometric analysis of the satellite track images photographed using rehabilitated Schmidt Bima Sakti telescope in Bosscha Observatory. The Hough transformation was"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.04037","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":"2026-05-18T01:29:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZuABZFK0D5qmYzos4quMqKyBmCimKUosHZ/ehdmrEv0KyrIOBmsTZJS34v/6dQKq/m3mje7KPoJ18iodmflDBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T09:39:50.001773Z"},"content_sha256":"446421ed4c3a3780fb147bcf5a499574734242237455666f9bd81607b76f42de","schema_version":"1.0","event_id":"sha256:446421ed4c3a3780fb147bcf5a499574734242237455666f9bd81607b76f42de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q2T2R45MJEL2O5DDCIGGEQDDSU/bundle.json","state_url":"https://pith.science/pith/Q2T2R45MJEL2O5DDCIGGEQDDSU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q2T2R45MJEL2O5DDCIGGEQDDSU/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":"2026-06-05T09:39:50Z","links":{"resolver":"https://pith.science/pith/Q2T2R45MJEL2O5DDCIGGEQDDSU","bundle":"https://pith.science/pith/Q2T2R45MJEL2O5DDCIGGEQDDSU/bundle.json","state":"https://pith.science/pith/Q2T2R45MJEL2O5DDCIGGEQDDSU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q2T2R45MJEL2O5DDCIGGEQDDSU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:Q2T2R45MJEL2O5DDCIGGEQDDSU","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":"37678f16e7cb82e1b1bb5977f8c6589080ea76ed9c0bbff43e51a8c77940d0c8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-02-13T16:02:15Z","title_canon_sha256":"9ba82033d85fec4dac17b823679af25b500795cd28aeb3c1d63a6c9128746a5d"},"schema_version":"1.0","source":{"id":"1502.04037","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.04037","created_at":"2026-05-18T01:29:03Z"},{"alias_kind":"arxiv_version","alias_value":"1502.04037v1","created_at":"2026-05-18T01:29:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.04037","created_at":"2026-05-18T01:29:03Z"},{"alias_kind":"pith_short_12","alias_value":"Q2T2R45MJEL2","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"Q2T2R45MJEL2O5DD","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"Q2T2R45M","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:446421ed4c3a3780fb147bcf5a499574734242237455666f9bd81607b76f42de","target":"graph","created_at":"2026-05-18T01:29:03Z","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":"Optical observation through sub-meter telescope equipped with CCD camera becomes alternative method for increasing orbital debris detection and surveillance. This observational mode is expected to eye medium-sized objects in higher orbits (e.g. MEO, GTO, GSO \\& GEO), beyond the reach of usual radar system. However, such observation of fast-moving objects demands special treatment and analysis technique. In this study, we performed photometric analysis of the satellite track images photographed using rehabilitated Schmidt Bima Sakti telescope in Bosscha Observatory. The Hough transformation was","authors_text":"A. Rachman, B. Religia, R. Priyatikanto, T. Dani","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-02-13T16:02:15Z","title":"Towards photometry pipeline of the Indonesian space surveillance system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.04037","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:f2a67f47648f346f426aee76f74169c932d25dd49b76e5a1393db8948b00502e","target":"record","created_at":"2026-05-18T01:29:03Z","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":"37678f16e7cb82e1b1bb5977f8c6589080ea76ed9c0bbff43e51a8c77940d0c8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-02-13T16:02:15Z","title_canon_sha256":"9ba82033d85fec4dac17b823679af25b500795cd28aeb3c1d63a6c9128746a5d"},"schema_version":"1.0","source":{"id":"1502.04037","kind":"arxiv","version":1}},"canonical_sha256":"86a7a8f3ac4917a77463120c6240639524060a180841a3db91cb621906650a89","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"86a7a8f3ac4917a77463120c6240639524060a180841a3db91cb621906650a89","first_computed_at":"2026-05-18T01:29:03.285115Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:29:03.285115Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HASkQjKAIHKnxndfu3wDHV+V9t2RmQ1l9GY2wA5573mQY9nGBCCq8PBEjdkNehEMUw0sDl+3kpAhU7GsoCJcCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:29:03.285847Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.04037","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2a67f47648f346f426aee76f74169c932d25dd49b76e5a1393db8948b00502e","sha256:446421ed4c3a3780fb147bcf5a499574734242237455666f9bd81607b76f42de"],"state_sha256":"46aab8f5e7ed9be57f3c26fdfea62427a16d794a1813a56629ca246b97a263e0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YPp/bQMyCyaoksLg9bAo4gMm399GK4RXNtHzP3mG9Vm1csdpSDVLDZI58CSyj69jyBVUMI7hXspsZV9IlYcbDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T09:39:50.003917Z","bundle_sha256":"ef95a7f52160d0d624564ff74e0a22cb9c49fa99594869882d80d2ffba059de0"}}