{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:ZQDJK5YOXZQ4PNRXIO2PSNBBOU","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":"41bbd1c4db903bb0b353dfe8f1663834bcfd34656941d7459cfe5f5d2a9c9db1","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-07-29T15:25:01Z","title_canon_sha256":"3b3a5c3a73800d9cc824b64face5c58ead76d3c438c781aaf097ccefe587f937"},"schema_version":"1.0","source":{"id":"astro-ph/0407615","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0407615","created_at":"2026-07-04T16:44:24Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0407615v1","created_at":"2026-07-04T16:44:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0407615","created_at":"2026-07-04T16:44:24Z"},{"alias_kind":"pith_short_12","alias_value":"ZQDJK5YOXZQ4","created_at":"2026-07-04T16:44:24Z"},{"alias_kind":"pith_short_16","alias_value":"ZQDJK5YOXZQ4PNRX","created_at":"2026-07-04T16:44:24Z"},{"alias_kind":"pith_short_8","alias_value":"ZQDJK5YO","created_at":"2026-07-04T16:44:24Z"}],"graph_snapshots":[{"event_id":"sha256:a31752f08b5da1c321835a24cfa6e0a993e2d2562c1884642fd64d95d3550729","target":"graph","created_at":"2026-07-04T16:44:24Z","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/astro-ph/0407615/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"As a step towards our understanding of galaxy evolution and for testing predictions of cosmological models we started a survey for galaxy clusters intending to identify candidates out to redshifts of ~1.5: HIROCS (= Heidelberg InfraRed/Optical Cluster Survey) is a multi-color survey (B, R, i, z and H) covering 11 square degrees in four fields on the sky. Our survey aims at a 5sigma detection of an L*+1 elliptical galaxy at z = 1.5. Classification of all objects and determination of photometric redshifts is done by the multi-color-classification scheme developed for the CADIS and COMBO-17 surve","authors_text":"C. Wolf, E. Bell, H. Hippelein, H.-J. Roeser, S. Falter","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-07-29T15:25:01Z","title":"HIROCS - a galaxy cluster survey at high redshifts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0407615","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":"sha256:41d42e4afd700d96a14913ed11d54396dc61eba86f16b9ee831fa258284f9f69","target":"record","created_at":"2026-07-04T16:44:24Z","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":"41bbd1c4db903bb0b353dfe8f1663834bcfd34656941d7459cfe5f5d2a9c9db1","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-07-29T15:25:01Z","title_canon_sha256":"3b3a5c3a73800d9cc824b64face5c58ead76d3c438c781aaf097ccefe587f937"},"schema_version":"1.0","source":{"id":"astro-ph/0407615","kind":"arxiv","version":1}},"canonical_sha256":"cc0695770ebe61c7b63743b4f9342175264303b6c3d4a62f2283be5792b1d9b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cc0695770ebe61c7b63743b4f9342175264303b6c3d4a62f2283be5792b1d9b0","first_computed_at":"2026-07-04T16:44:24.349055Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:44:24.349055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UTngPtiMCwAUMG+lzgvphIHDvyt0jk64baU5YQsEXhjR7GAlF6QcDk1orzahxxdkWChgGgZS2U4DY9ViEUBaDw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:44:24.349411Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0407615","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:41d42e4afd700d96a14913ed11d54396dc61eba86f16b9ee831fa258284f9f69","sha256:a31752f08b5da1c321835a24cfa6e0a993e2d2562c1884642fd64d95d3550729"],"state_sha256":"de4d1b46844d3a10d7913cfd99d784cb7cca828cce3cf373d21a879ebbeab31b"}