{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:INDW6YCD5AIYJFWOJDSDBVPCKI","short_pith_number":"pith:INDW6YCD","canonical_record":{"source":{"id":"1902.07989","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-02-21T12:01:20Z","cross_cats_sorted":["physics.ao-ph"],"title_canon_sha256":"d7db6aa884e55e133478360f8bed6ea592fc21a93b345c3c8351a34fcae2bbc8","abstract_canon_sha256":"0b625c685e26447afe2c8048ea5e368e299ff4aff5096d6bcfbdf5091b23f828"},"schema_version":"1.0"},"canonical_sha256":"43476f6043e8118496ce48e430d5e2521de51265cdbe35c3a8fb475cd97a831a","source":{"kind":"arxiv","id":"1902.07989","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.07989","created_at":"2026-05-17T23:53:03Z"},{"alias_kind":"arxiv_version","alias_value":"1902.07989v1","created_at":"2026-05-17T23:53:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.07989","created_at":"2026-05-17T23:53:03Z"},{"alias_kind":"pith_short_12","alias_value":"INDW6YCD5AIY","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"INDW6YCD5AIYJFWO","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"INDW6YCD","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:INDW6YCD5AIYJFWOJDSDBVPCKI","target":"record","payload":{"canonical_record":{"source":{"id":"1902.07989","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-02-21T12:01:20Z","cross_cats_sorted":["physics.ao-ph"],"title_canon_sha256":"d7db6aa884e55e133478360f8bed6ea592fc21a93b345c3c8351a34fcae2bbc8","abstract_canon_sha256":"0b625c685e26447afe2c8048ea5e368e299ff4aff5096d6bcfbdf5091b23f828"},"schema_version":"1.0"},"canonical_sha256":"43476f6043e8118496ce48e430d5e2521de51265cdbe35c3a8fb475cd97a831a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:03.329994Z","signature_b64":"SERtaZncw+ggm0LO2y0v6ojz244gN9CDkS/W+RVpLDbfpkXSX7801DgCgtjSdtYM21tA4sIuHcBQQkVgcUtmBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43476f6043e8118496ce48e430d5e2521de51265cdbe35c3a8fb475cd97a831a","last_reissued_at":"2026-05-17T23:53:03.329354Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:03.329354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.07989","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":"2026-05-17T23:53:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TzoUHiPN7GdA54RkCAV1oqFKvTbu8WSxu9nNkF9oPqUzNyba+Wos0PbbWZhm5h7mzYBl8gkAJAic4hPU4dpIDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:33:42.403636Z"},"content_sha256":"78993109b9c5ac5bb43f38a77e4e6b5f64488efa739675fd9963d2b9efb6e196","schema_version":"1.0","event_id":"sha256:78993109b9c5ac5bb43f38a77e4e6b5f64488efa739675fd9963d2b9efb6e196"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:INDW6YCD5AIYJFWOJDSDBVPCKI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical turbulence forecast in the Adaptive Optics realm","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ao-ph"],"primary_cat":"astro-ph.IM","authors_text":"Alessio Turchi, Elena Masciadri, Luca Fini","submitted_at":"2019-02-21T12:01:20Z","abstract_excerpt":"(35-words maximum) In this talk I present the scientific drivers related to the optical turbulence forecast applied to the ground-based astronomy supported by Adaptive Optics, the state of the art of the achieved results and the most relevant challenges for future progresses."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.07989","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":"2026-05-17T23:53:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U8nxMwhVTNR6q+1AjwxDj5LZ1JebrLZ2LIVcmS8SCP2sLFTWX1UDx1z2TMKgvkSFQjhyK8FGhXyD5A8Y9acwBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:33:42.403983Z"},"content_sha256":"1a7b3bcb27fa2de3c1ece674b35dad963c03445ad3c142ea98803349eae166fb","schema_version":"1.0","event_id":"sha256:1a7b3bcb27fa2de3c1ece674b35dad963c03445ad3c142ea98803349eae166fb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/INDW6YCD5AIYJFWOJDSDBVPCKI/bundle.json","state_url":"https://pith.science/pith/INDW6YCD5AIYJFWOJDSDBVPCKI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/INDW6YCD5AIYJFWOJDSDBVPCKI/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":"2026-06-02T21:33:42Z","links":{"resolver":"https://pith.science/pith/INDW6YCD5AIYJFWOJDSDBVPCKI","bundle":"https://pith.science/pith/INDW6YCD5AIYJFWOJDSDBVPCKI/bundle.json","state":"https://pith.science/pith/INDW6YCD5AIYJFWOJDSDBVPCKI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/INDW6YCD5AIYJFWOJDSDBVPCKI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:INDW6YCD5AIYJFWOJDSDBVPCKI","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":"0b625c685e26447afe2c8048ea5e368e299ff4aff5096d6bcfbdf5091b23f828","cross_cats_sorted":["physics.ao-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-02-21T12:01:20Z","title_canon_sha256":"d7db6aa884e55e133478360f8bed6ea592fc21a93b345c3c8351a34fcae2bbc8"},"schema_version":"1.0","source":{"id":"1902.07989","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.07989","created_at":"2026-05-17T23:53:03Z"},{"alias_kind":"arxiv_version","alias_value":"1902.07989v1","created_at":"2026-05-17T23:53:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.07989","created_at":"2026-05-17T23:53:03Z"},{"alias_kind":"pith_short_12","alias_value":"INDW6YCD5AIY","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"INDW6YCD5AIYJFWO","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"INDW6YCD","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:1a7b3bcb27fa2de3c1ece674b35dad963c03445ad3c142ea98803349eae166fb","target":"graph","created_at":"2026-05-17T23:53:03Z","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":"(35-words maximum) In this talk I present the scientific drivers related to the optical turbulence forecast applied to the ground-based astronomy supported by Adaptive Optics, the state of the art of the achieved results and the most relevant challenges for future progresses.","authors_text":"Alessio Turchi, Elena Masciadri, Luca Fini","cross_cats":["physics.ao-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-02-21T12:01:20Z","title":"Optical turbulence forecast in the Adaptive Optics realm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.07989","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":"sha256:78993109b9c5ac5bb43f38a77e4e6b5f64488efa739675fd9963d2b9efb6e196","target":"record","created_at":"2026-05-17T23:53:03Z","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":"0b625c685e26447afe2c8048ea5e368e299ff4aff5096d6bcfbdf5091b23f828","cross_cats_sorted":["physics.ao-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-02-21T12:01:20Z","title_canon_sha256":"d7db6aa884e55e133478360f8bed6ea592fc21a93b345c3c8351a34fcae2bbc8"},"schema_version":"1.0","source":{"id":"1902.07989","kind":"arxiv","version":1}},"canonical_sha256":"43476f6043e8118496ce48e430d5e2521de51265cdbe35c3a8fb475cd97a831a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"43476f6043e8118496ce48e430d5e2521de51265cdbe35c3a8fb475cd97a831a","first_computed_at":"2026-05-17T23:53:03.329354Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:03.329354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SERtaZncw+ggm0LO2y0v6ojz244gN9CDkS/W+RVpLDbfpkXSX7801DgCgtjSdtYM21tA4sIuHcBQQkVgcUtmBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:03.329994Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.07989","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:78993109b9c5ac5bb43f38a77e4e6b5f64488efa739675fd9963d2b9efb6e196","sha256:1a7b3bcb27fa2de3c1ece674b35dad963c03445ad3c142ea98803349eae166fb"],"state_sha256":"4b6630de4b890ae9e202f2b9bbe4498d5309ef2a421efe9d683910162bd08139"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9a6zoN43PwxZhdJcoUWImwFSd4QZMfQjmBkDDhK3A4O/rcuml3nwH0Awhbvv49Sk9vnEhTjIXmwHTtY2h/kdAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T21:33:42.405951Z","bundle_sha256":"3ea4efffdb85b6b4af19e78322379a9ec5fd12524afa8bd2f782f1069e6fea7b"}}