{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:GRA4EX6CSXEPOKXCHUYFAIQRR5","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":"ec79c08017eddd2ac2c9681196662211bd5d1b390481689397e5d618b17aba2f","cross_cats_sorted":["cs.DC"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-07-14T08:06:00Z","title_canon_sha256":"12d0c5026ba7d539d7ae3187d9f706d56bfb81ffb3278a9fabf36220b1b6b765"},"schema_version":"1.0","source":{"id":"1907.06183","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.06183","created_at":"2026-05-17T23:40:38Z"},{"alias_kind":"arxiv_version","alias_value":"1907.06183v1","created_at":"2026-05-17T23:40:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.06183","created_at":"2026-05-17T23:40:38Z"},{"alias_kind":"pith_short_12","alias_value":"GRA4EX6CSXEP","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"GRA4EX6CSXEPOKXC","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"GRA4EX6C","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:fa00604a86c5fc6769e39280ed6920e4a882ea72a88d67765a4143639764336b","target":"graph","created_at":"2026-05-17T23:40:38Z","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":"Today, the operating TAIGA (Tunka Advanced Instrument for cosmic rays and Gamma Astronomy) experiment continuously produces and accumulates a large volume of raw astroparticle data. To be available for the scientific community these data should be well-described and formally characterized. The use of metadata makes it possible to search for and to aggregate digital objects (e.g. events and runs) by time and equipment through a unified interface to access them. The important part of the metadata is hidden and scattered in folder/files names and package headers. Such metadata should be extracted","authors_text":"Alexandr Kryukov, Alexey Shigarov, Andrey Mikhailov, Elena Korosteleva, Igor Bychkov, Julia Dubenskaya, Minh-Duc Nguyen","cross_cats":["cs.DC"],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-07-14T08:06:00Z","title":"Metadata Extraction from Raw Astroparticle Data of TAIGA Experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.06183","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:cbae16ad4b61f9c8194d95ec3999f750b08edb9a7e801ce498837b188bb30c72","target":"record","created_at":"2026-05-17T23:40:38Z","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":"ec79c08017eddd2ac2c9681196662211bd5d1b390481689397e5d618b17aba2f","cross_cats_sorted":["cs.DC"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-07-14T08:06:00Z","title_canon_sha256":"12d0c5026ba7d539d7ae3187d9f706d56bfb81ffb3278a9fabf36220b1b6b765"},"schema_version":"1.0","source":{"id":"1907.06183","kind":"arxiv","version":1}},"canonical_sha256":"3441c25fc295c8f72ae23d305022118f4bf9b9a68745efa1fc1e3a773d0521fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3441c25fc295c8f72ae23d305022118f4bf9b9a68745efa1fc1e3a773d0521fb","first_computed_at":"2026-05-17T23:40:38.287584Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:40:38.287584Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"so/5tjROsANFD0FHd22eMKw2m33hw6D5PErWF0JLbkHBv3sgaCFWiAFwKdzDv5xM2Ys4OLFVpphqWFb1CSYVBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:40:38.287991Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.06183","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cbae16ad4b61f9c8194d95ec3999f750b08edb9a7e801ce498837b188bb30c72","sha256:fa00604a86c5fc6769e39280ed6920e4a882ea72a88d67765a4143639764336b"],"state_sha256":"679824f29058faf44b7968c5573ac5c955080397a95a040c45683394857f9945"}