{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:CJJKF6642LEG5R65NI2XWYHLI7","short_pith_number":"pith:CJJKF664","canonical_record":{"source":{"id":"0906.5113","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2009-06-28T02:21:58Z","cross_cats_sorted":[],"title_canon_sha256":"d93e3b776495f44fc89b0827b4d4cd4849ff3fa60fecf71847d53e1ea36a8dbe","abstract_canon_sha256":"1179fab5797dbd6ecdadfef7e485ec48de689bf3ce1699cdd1e3b4d4aa48c8e3"},"schema_version":"1.0"},"canonical_sha256":"1252a2fbdcd2c86ec7dd6a357b60eb47ecb4157328a8e9de0e93bf69e1d1e74a","source":{"kind":"arxiv","id":"0906.5113","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.5113","created_at":"2026-05-18T02:13:12Z"},{"alias_kind":"arxiv_version","alias_value":"0906.5113v1","created_at":"2026-05-18T02:13:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.5113","created_at":"2026-05-18T02:13:12Z"},{"alias_kind":"pith_short_12","alias_value":"CJJKF6642LEG","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"CJJKF6642LEG5R65","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"CJJKF664","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:CJJKF6642LEG5R65NI2XWYHLI7","target":"record","payload":{"canonical_record":{"source":{"id":"0906.5113","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2009-06-28T02:21:58Z","cross_cats_sorted":[],"title_canon_sha256":"d93e3b776495f44fc89b0827b4d4cd4849ff3fa60fecf71847d53e1ea36a8dbe","abstract_canon_sha256":"1179fab5797dbd6ecdadfef7e485ec48de689bf3ce1699cdd1e3b4d4aa48c8e3"},"schema_version":"1.0"},"canonical_sha256":"1252a2fbdcd2c86ec7dd6a357b60eb47ecb4157328a8e9de0e93bf69e1d1e74a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:12.200114Z","signature_b64":"l3kIMkQAjrPJDjNTNcZm+WVhis+7o9x3whhvLKSL9rsxgmCM0z4wwNdJfo1gTOQQM6mRAMViP/yCbwFUvr6XBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1252a2fbdcd2c86ec7dd6a357b60eb47ecb4157328a8e9de0e93bf69e1d1e74a","last_reissued_at":"2026-05-18T02:13:12.199703Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:12.199703Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0906.5113","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":"2026-05-18T02:13:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4I0iU24dlg8x0g6vbcS66qcC73/VJymI5r77TtTsvwSWa6Vlskj1KJaUIRQo2LFvq6jnW/DwPccrQ/gUh+GtDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T05:16:00.769513Z"},"content_sha256":"81c745b7418ba61c1429d3e7623581b95806bf012f93acc03b85a14855cfb063","schema_version":"1.0","event_id":"sha256:81c745b7418ba61c1429d3e7623581b95806bf012f93acc03b85a14855cfb063"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:CJJKF6642LEG5R65NI2XWYHLI7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The astroclimatological comparison of the Paranal Observatory and El Roque de Los Muchachos Observatory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Gianluca Lombardi, Sergio Ortolani, Valentina Zitelli","submitted_at":"2009-06-28T02:21:58Z","abstract_excerpt":"The new extremely large telescope projects need accurate evaluation of the candidate sites. In this paper we present the astroclimatological comparison between the Paranal Observatory, located on the coast of the Atacama Desert (Chile), and the Observatorio del Roque de Los Muchachos (ORM), located in La Palma (Canary Islands). We apply a statistical analysis using long term databases from Paranal and Carlsberg Meridian Telescope (CAMC) weather stations. Significant differences between the two analyzed sites have been found."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.5113","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":"2026-05-18T02:13:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hwxV80lVhtaD9WbsQrB4vs/rokwmj1DFNbVMjDEYmtnvtqS1BVDjkS0qv04kCMHUVIdoaA4Gz1HsP0+COTZ4AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T05:16:00.770179Z"},"content_sha256":"6c9cc5bfccf2806efa5a6e516e4cb595d2c025480b0b1ad58a6bccb1e926925c","schema_version":"1.0","event_id":"sha256:6c9cc5bfccf2806efa5a6e516e4cb595d2c025480b0b1ad58a6bccb1e926925c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CJJKF6642LEG5R65NI2XWYHLI7/bundle.json","state_url":"https://pith.science/pith/CJJKF6642LEG5R65NI2XWYHLI7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CJJKF6642LEG5R65NI2XWYHLI7/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":"2026-05-22T05:16:00Z","links":{"resolver":"https://pith.science/pith/CJJKF6642LEG5R65NI2XWYHLI7","bundle":"https://pith.science/pith/CJJKF6642LEG5R65NI2XWYHLI7/bundle.json","state":"https://pith.science/pith/CJJKF6642LEG5R65NI2XWYHLI7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CJJKF6642LEG5R65NI2XWYHLI7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:CJJKF6642LEG5R65NI2XWYHLI7","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":"1179fab5797dbd6ecdadfef7e485ec48de689bf3ce1699cdd1e3b4d4aa48c8e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2009-06-28T02:21:58Z","title_canon_sha256":"d93e3b776495f44fc89b0827b4d4cd4849ff3fa60fecf71847d53e1ea36a8dbe"},"schema_version":"1.0","source":{"id":"0906.5113","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.5113","created_at":"2026-05-18T02:13:12Z"},{"alias_kind":"arxiv_version","alias_value":"0906.5113v1","created_at":"2026-05-18T02:13:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.5113","created_at":"2026-05-18T02:13:12Z"},{"alias_kind":"pith_short_12","alias_value":"CJJKF6642LEG","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"CJJKF6642LEG5R65","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"CJJKF664","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:6c9cc5bfccf2806efa5a6e516e4cb595d2c025480b0b1ad58a6bccb1e926925c","target":"graph","created_at":"2026-05-18T02:13:12Z","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":"The new extremely large telescope projects need accurate evaluation of the candidate sites. In this paper we present the astroclimatological comparison between the Paranal Observatory, located on the coast of the Atacama Desert (Chile), and the Observatorio del Roque de Los Muchachos (ORM), located in La Palma (Canary Islands). We apply a statistical analysis using long term databases from Paranal and Carlsberg Meridian Telescope (CAMC) weather stations. Significant differences between the two analyzed sites have been found.","authors_text":"Gianluca Lombardi, Sergio Ortolani, Valentina Zitelli","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2009-06-28T02:21:58Z","title":"The astroclimatological comparison of the Paranal Observatory and El Roque de Los Muchachos Observatory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.5113","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":"sha256:81c745b7418ba61c1429d3e7623581b95806bf012f93acc03b85a14855cfb063","target":"record","created_at":"2026-05-18T02:13:12Z","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":"1179fab5797dbd6ecdadfef7e485ec48de689bf3ce1699cdd1e3b4d4aa48c8e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2009-06-28T02:21:58Z","title_canon_sha256":"d93e3b776495f44fc89b0827b4d4cd4849ff3fa60fecf71847d53e1ea36a8dbe"},"schema_version":"1.0","source":{"id":"0906.5113","kind":"arxiv","version":1}},"canonical_sha256":"1252a2fbdcd2c86ec7dd6a357b60eb47ecb4157328a8e9de0e93bf69e1d1e74a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1252a2fbdcd2c86ec7dd6a357b60eb47ecb4157328a8e9de0e93bf69e1d1e74a","first_computed_at":"2026-05-18T02:13:12.199703Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:12.199703Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l3kIMkQAjrPJDjNTNcZm+WVhis+7o9x3whhvLKSL9rsxgmCM0z4wwNdJfo1gTOQQM6mRAMViP/yCbwFUvr6XBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:12.200114Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.5113","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81c745b7418ba61c1429d3e7623581b95806bf012f93acc03b85a14855cfb063","sha256:6c9cc5bfccf2806efa5a6e516e4cb595d2c025480b0b1ad58a6bccb1e926925c"],"state_sha256":"cff8a4035e923a895bdcd29d327a5e1bffa46fa04a7809af7d78691ebdeb89fb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sIGI5ay2wjU2bervLY+q51YOvTxxa6Ol3PEBk4d7u+WYVzgv2JviShO/5Hay6AVm/tO2uVdl4s7tq/HE0xOgCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T05:16:00.773088Z","bundle_sha256":"bd1b1c6c28b9e2a09d60c4acb47d1d3b64391ef1347ebe5ff0267ae0190debdb"}}