{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:TWBDEVR6CKAZEK5PHYV7E3FAMR","short_pith_number":"pith:TWBDEVR6","canonical_record":{"source":{"id":"2606.30286","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-06-29T13:27:55Z","cross_cats_sorted":[],"title_canon_sha256":"649112e47b1fe339de84c79dce51d21aa24ec69a5ab87cf84edcd121625e3c7c","abstract_canon_sha256":"b296dd1ee98fb3e54097ce5d5e00484895f6fc28fafff607596d2ea17b719588"},"schema_version":"1.0"},"canonical_sha256":"9d8232563e1281922baf3e2bf26ca06450f118c20cf41706cfc8ec42c454c855","source":{"kind":"arxiv","id":"2606.30286","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.30286","created_at":"2026-06-30T02:17:57Z"},{"alias_kind":"arxiv_version","alias_value":"2606.30286v1","created_at":"2026-06-30T02:17:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.30286","created_at":"2026-06-30T02:17:57Z"},{"alias_kind":"pith_short_12","alias_value":"TWBDEVR6CKAZ","created_at":"2026-06-30T02:17:57Z"},{"alias_kind":"pith_short_16","alias_value":"TWBDEVR6CKAZEK5P","created_at":"2026-06-30T02:17:57Z"},{"alias_kind":"pith_short_8","alias_value":"TWBDEVR6","created_at":"2026-06-30T02:17:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:TWBDEVR6CKAZEK5PHYV7E3FAMR","target":"record","payload":{"canonical_record":{"source":{"id":"2606.30286","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-06-29T13:27:55Z","cross_cats_sorted":[],"title_canon_sha256":"649112e47b1fe339de84c79dce51d21aa24ec69a5ab87cf84edcd121625e3c7c","abstract_canon_sha256":"b296dd1ee98fb3e54097ce5d5e00484895f6fc28fafff607596d2ea17b719588"},"schema_version":"1.0"},"canonical_sha256":"9d8232563e1281922baf3e2bf26ca06450f118c20cf41706cfc8ec42c454c855","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-30T02:17:57.476232Z","signature_b64":"flAGPqmJ4xAHSfoNW5NC1uzK1lkeiR5cYuvmZQGIfE0Hik/9iM9GiXS1/Ky340kYttn1bWppWhCcIDBhWstjBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d8232563e1281922baf3e2bf26ca06450f118c20cf41706cfc8ec42c454c855","last_reissued_at":"2026-06-30T02:17:57.475802Z","signature_status":"signed_v1","first_computed_at":"2026-06-30T02:17:57.475802Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.30286","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":"2026-06-30T02:17:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2FKK1ELrNF1YZUtDC+tC0zKuxuyWClqXR/Y5RqNiPjUZ8CKsENj4rZY6C4PkAtIUpM9O1zQDTtZ488Cfye7qBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T13:59:37.063512Z"},"content_sha256":"e7bb7e83e11044de11dc2653c99502b37a9ffc5012a13e380e9ef7c66a456c07","schema_version":"1.0","event_id":"sha256:e7bb7e83e11044de11dc2653c99502b37a9ffc5012a13e380e9ef7c66a456c07"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:TWBDEVR6CKAZEK5PHYV7E3FAMR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Streak detection in the VST/OmegaCAM archive using deep learning","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Andrew Price, Bel\\'en Yu Irureta-Goyena, Elisabeth Rachith, Jean-Paul Kneib, Stephan Hellmich, Vincent Fiszbin","submitted_at":"2026-06-29T13:27:55Z","abstract_excerpt":"Ground-based astronomical surveys inadvertently capture streaks from satellites and space debris crossing their fields of view. These incidental observations from wide-field instruments such as OmegaCAM on the VST offer valuable opportunities to characterise resident space objects without the need for dedicated observing time. We developed an automated deep-learning pipeline to detect and classify streaks in the OmegaCAM archive, enabling large-scale analyses of space object populations and their impact on astronomical data. The pipeline combines an adapted Hough transform lookup-based convolu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.30286","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/2606.30286/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":"2026-06-30T02:17:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bhv2Gq9FzmijKlDJ1j8jaCqqv68QtDejBJc4CjwdA8G76hQJSTb/AlMa4AyeezkdPnN4PyFaooba8V9U/x8iAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T13:59:37.063902Z"},"content_sha256":"52c7ee1a85dc2da13cc73e43c09f374eb7abc39de1ad76d38db4495ac39ab67a","schema_version":"1.0","event_id":"sha256:52c7ee1a85dc2da13cc73e43c09f374eb7abc39de1ad76d38db4495ac39ab67a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TWBDEVR6CKAZEK5PHYV7E3FAMR/bundle.json","state_url":"https://pith.science/pith/TWBDEVR6CKAZEK5PHYV7E3FAMR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TWBDEVR6CKAZEK5PHYV7E3FAMR/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":"2026-06-30T13:59:37Z","links":{"resolver":"https://pith.science/pith/TWBDEVR6CKAZEK5PHYV7E3FAMR","bundle":"https://pith.science/pith/TWBDEVR6CKAZEK5PHYV7E3FAMR/bundle.json","state":"https://pith.science/pith/TWBDEVR6CKAZEK5PHYV7E3FAMR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TWBDEVR6CKAZEK5PHYV7E3FAMR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:TWBDEVR6CKAZEK5PHYV7E3FAMR","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":"b296dd1ee98fb3e54097ce5d5e00484895f6fc28fafff607596d2ea17b719588","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-06-29T13:27:55Z","title_canon_sha256":"649112e47b1fe339de84c79dce51d21aa24ec69a5ab87cf84edcd121625e3c7c"},"schema_version":"1.0","source":{"id":"2606.30286","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.30286","created_at":"2026-06-30T02:17:57Z"},{"alias_kind":"arxiv_version","alias_value":"2606.30286v1","created_at":"2026-06-30T02:17:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.30286","created_at":"2026-06-30T02:17:57Z"},{"alias_kind":"pith_short_12","alias_value":"TWBDEVR6CKAZ","created_at":"2026-06-30T02:17:57Z"},{"alias_kind":"pith_short_16","alias_value":"TWBDEVR6CKAZEK5P","created_at":"2026-06-30T02:17:57Z"},{"alias_kind":"pith_short_8","alias_value":"TWBDEVR6","created_at":"2026-06-30T02:17:57Z"}],"graph_snapshots":[{"event_id":"sha256:52c7ee1a85dc2da13cc73e43c09f374eb7abc39de1ad76d38db4495ac39ab67a","target":"graph","created_at":"2026-06-30T02:17:57Z","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/2606.30286/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Ground-based astronomical surveys inadvertently capture streaks from satellites and space debris crossing their fields of view. These incidental observations from wide-field instruments such as OmegaCAM on the VST offer valuable opportunities to characterise resident space objects without the need for dedicated observing time. We developed an automated deep-learning pipeline to detect and classify streaks in the OmegaCAM archive, enabling large-scale analyses of space object populations and their impact on astronomical data. The pipeline combines an adapted Hough transform lookup-based convolu","authors_text":"Andrew Price, Bel\\'en Yu Irureta-Goyena, Elisabeth Rachith, Jean-Paul Kneib, Stephan Hellmich, Vincent Fiszbin","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-06-29T13:27:55Z","title":"Streak detection in the VST/OmegaCAM archive using deep learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.30286","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:e7bb7e83e11044de11dc2653c99502b37a9ffc5012a13e380e9ef7c66a456c07","target":"record","created_at":"2026-06-30T02:17:57Z","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":"b296dd1ee98fb3e54097ce5d5e00484895f6fc28fafff607596d2ea17b719588","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-06-29T13:27:55Z","title_canon_sha256":"649112e47b1fe339de84c79dce51d21aa24ec69a5ab87cf84edcd121625e3c7c"},"schema_version":"1.0","source":{"id":"2606.30286","kind":"arxiv","version":1}},"canonical_sha256":"9d8232563e1281922baf3e2bf26ca06450f118c20cf41706cfc8ec42c454c855","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d8232563e1281922baf3e2bf26ca06450f118c20cf41706cfc8ec42c454c855","first_computed_at":"2026-06-30T02:17:57.475802Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-30T02:17:57.475802Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"flAGPqmJ4xAHSfoNW5NC1uzK1lkeiR5cYuvmZQGIfE0Hik/9iM9GiXS1/Ky340kYttn1bWppWhCcIDBhWstjBg==","signature_status":"signed_v1","signed_at":"2026-06-30T02:17:57.476232Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.30286","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e7bb7e83e11044de11dc2653c99502b37a9ffc5012a13e380e9ef7c66a456c07","sha256:52c7ee1a85dc2da13cc73e43c09f374eb7abc39de1ad76d38db4495ac39ab67a"],"state_sha256":"401ff6ba960fb309e6ffbae5f4d96afaad4282400f13c859ca7509a91d04ba73"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iXnjlR2Yly2AuNiKJaahPxUOU3Xe5am7B/4mmy0femm/SxgXD/87PErivBBXx9Ly66MUxnINaiP01baGYV3VCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T13:59:37.066464Z","bundle_sha256":"937ef4d54983871ed761a6bd774bf168478464950afceb580ef5d99474fe174a"}}