{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:G7S6VZYOSGLYWWQ66WBLAIMJTW","short_pith_number":"pith:G7S6VZYO","canonical_record":{"source":{"id":"2303.18060","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-03-29T21:56:35Z","cross_cats_sorted":["cs.AI","cs.SY","eess.SY"],"title_canon_sha256":"0b563f05c582420abb10dd5238c0d300e0958bd7c99675f2c46c87f22bd2d47a","abstract_canon_sha256":"296e97a415801c251f933f875518ab2684bee5dfe6ea861aafa8c1ff7a51c563"},"schema_version":"1.0"},"canonical_sha256":"37e5eae70e91978b5a1ef582b021899dafb2aa13ffcf35475498616c8a6bd021","source":{"kind":"arxiv","id":"2303.18060","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.18060","created_at":"2026-07-05T05:56:49Z"},{"alias_kind":"arxiv_version","alias_value":"2303.18060v1","created_at":"2026-07-05T05:56:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.18060","created_at":"2026-07-05T05:56:49Z"},{"alias_kind":"pith_short_12","alias_value":"G7S6VZYOSGLY","created_at":"2026-07-05T05:56:49Z"},{"alias_kind":"pith_short_16","alias_value":"G7S6VZYOSGLYWWQ6","created_at":"2026-07-05T05:56:49Z"},{"alias_kind":"pith_short_8","alias_value":"G7S6VZYO","created_at":"2026-07-05T05:56:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:G7S6VZYOSGLYWWQ66WBLAIMJTW","target":"record","payload":{"canonical_record":{"source":{"id":"2303.18060","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-03-29T21:56:35Z","cross_cats_sorted":["cs.AI","cs.SY","eess.SY"],"title_canon_sha256":"0b563f05c582420abb10dd5238c0d300e0958bd7c99675f2c46c87f22bd2d47a","abstract_canon_sha256":"296e97a415801c251f933f875518ab2684bee5dfe6ea861aafa8c1ff7a51c563"},"schema_version":"1.0"},"canonical_sha256":"37e5eae70e91978b5a1ef582b021899dafb2aa13ffcf35475498616c8a6bd021","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:56:49.769174Z","signature_b64":"8DDLRK5CGm/WhDudPWZcuZz6wMrgTNAq8EqnLwyBmJk3SuG/yQfslZEsGoyVi+4FvG76njcR6PCObPXebb+KCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"37e5eae70e91978b5a1ef582b021899dafb2aa13ffcf35475498616c8a6bd021","last_reissued_at":"2026-07-05T05:56:49.768759Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:56:49.768759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.18060","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":"2026-07-05T05:56:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vceUwLpT4i1BUORmgrKcW8YwmDw9vIIu8mc+sgzJx8W955CDgn3gfV776O7wd2YAlVpCQEiVZEfvAfOXe4JmDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:10:51.908768Z"},"content_sha256":"9180cf72d2a4bd7c2384f0f638356b2c5fb5923e9b41bef1bd33717c0a5f0845","schema_version":"1.0","event_id":"sha256:9180cf72d2a4bd7c2384f0f638356b2c5fb5923e9b41bef1bd33717c0a5f0845"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:G7S6VZYOSGLYWWQ66WBLAIMJTW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NOSTROMO: Lessons learned, conclusions and way forward","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.SY","eess.SY"],"primary_cat":"cs.LG","authors_text":"Abderrazak Tibichte, Andr\\'es Perillo, Andrew Cook, Christoffer Riis, David Mochol\\'i, Faustino Tello, Francisco Antunes, Francisco C\\^amara, G\\'erald Gurtner, Ian Crook, Javier Poveda, Jovana Kuljanin, Juan Antonio L\\'opez, Mayte Cano, Ricardo Herranz, Sandrine Molton, Tatjana Boli\\'c, Xavier Prats","submitted_at":"2023-03-29T21:56:35Z","abstract_excerpt":"This White Paper sets out to explain the value that metamodelling can bring to air traffic management (ATM) research. It will define metamodelling and explore what it can, and cannot, do. The reader is assumed to have basic knowledge of SESAR: the Single European Sky ATM Research project. An important element of SESAR, as the technological pillar of the Single European Sky initiative, is to bring about improvements, as measured through specific key performance indicators (KPIs), and as implemented by a series of so-called SESAR 'Solutions'. These 'Solutions' are new or improved operational pro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.18060","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/2303.18060/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":"2026-07-05T05:56:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+q93t0Tj4ep2aF06SYV6KcGpI1vlda3VCXb8MDrqW065vWCN/pzfAMMoRhJ82r9YBAbpvXdEQVML4qsaKSduDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:10:51.909155Z"},"content_sha256":"51f333b1e89a3f4735ad8a9ada0c8adc84ff1522f0bb4c74ef3aae7c4cd92377","schema_version":"1.0","event_id":"sha256:51f333b1e89a3f4735ad8a9ada0c8adc84ff1522f0bb4c74ef3aae7c4cd92377"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G7S6VZYOSGLYWWQ66WBLAIMJTW/bundle.json","state_url":"https://pith.science/pith/G7S6VZYOSGLYWWQ66WBLAIMJTW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G7S6VZYOSGLYWWQ66WBLAIMJTW/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":"2026-07-07T11:10:51Z","links":{"resolver":"https://pith.science/pith/G7S6VZYOSGLYWWQ66WBLAIMJTW","bundle":"https://pith.science/pith/G7S6VZYOSGLYWWQ66WBLAIMJTW/bundle.json","state":"https://pith.science/pith/G7S6VZYOSGLYWWQ66WBLAIMJTW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G7S6VZYOSGLYWWQ66WBLAIMJTW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:G7S6VZYOSGLYWWQ66WBLAIMJTW","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":"296e97a415801c251f933f875518ab2684bee5dfe6ea861aafa8c1ff7a51c563","cross_cats_sorted":["cs.AI","cs.SY","eess.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-03-29T21:56:35Z","title_canon_sha256":"0b563f05c582420abb10dd5238c0d300e0958bd7c99675f2c46c87f22bd2d47a"},"schema_version":"1.0","source":{"id":"2303.18060","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.18060","created_at":"2026-07-05T05:56:49Z"},{"alias_kind":"arxiv_version","alias_value":"2303.18060v1","created_at":"2026-07-05T05:56:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.18060","created_at":"2026-07-05T05:56:49Z"},{"alias_kind":"pith_short_12","alias_value":"G7S6VZYOSGLY","created_at":"2026-07-05T05:56:49Z"},{"alias_kind":"pith_short_16","alias_value":"G7S6VZYOSGLYWWQ6","created_at":"2026-07-05T05:56:49Z"},{"alias_kind":"pith_short_8","alias_value":"G7S6VZYO","created_at":"2026-07-05T05:56:49Z"}],"graph_snapshots":[{"event_id":"sha256:51f333b1e89a3f4735ad8a9ada0c8adc84ff1522f0bb4c74ef3aae7c4cd92377","target":"graph","created_at":"2026-07-05T05:56:49Z","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/2303.18060/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This White Paper sets out to explain the value that metamodelling can bring to air traffic management (ATM) research. It will define metamodelling and explore what it can, and cannot, do. The reader is assumed to have basic knowledge of SESAR: the Single European Sky ATM Research project. An important element of SESAR, as the technological pillar of the Single European Sky initiative, is to bring about improvements, as measured through specific key performance indicators (KPIs), and as implemented by a series of so-called SESAR 'Solutions'. These 'Solutions' are new or improved operational pro","authors_text":"Abderrazak Tibichte, Andr\\'es Perillo, Andrew Cook, Christoffer Riis, David Mochol\\'i, Faustino Tello, Francisco Antunes, Francisco C\\^amara, G\\'erald Gurtner, Ian Crook, Javier Poveda, Jovana Kuljanin, Juan Antonio L\\'opez, Mayte Cano, Ricardo Herranz, Sandrine Molton, Tatjana Boli\\'c, Xavier Prats","cross_cats":["cs.AI","cs.SY","eess.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-03-29T21:56:35Z","title":"NOSTROMO: Lessons learned, conclusions and way forward"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.18060","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":"sha256:9180cf72d2a4bd7c2384f0f638356b2c5fb5923e9b41bef1bd33717c0a5f0845","target":"record","created_at":"2026-07-05T05:56:49Z","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":"296e97a415801c251f933f875518ab2684bee5dfe6ea861aafa8c1ff7a51c563","cross_cats_sorted":["cs.AI","cs.SY","eess.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-03-29T21:56:35Z","title_canon_sha256":"0b563f05c582420abb10dd5238c0d300e0958bd7c99675f2c46c87f22bd2d47a"},"schema_version":"1.0","source":{"id":"2303.18060","kind":"arxiv","version":1}},"canonical_sha256":"37e5eae70e91978b5a1ef582b021899dafb2aa13ffcf35475498616c8a6bd021","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37e5eae70e91978b5a1ef582b021899dafb2aa13ffcf35475498616c8a6bd021","first_computed_at":"2026-07-05T05:56:49.768759Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:56:49.768759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8DDLRK5CGm/WhDudPWZcuZz6wMrgTNAq8EqnLwyBmJk3SuG/yQfslZEsGoyVi+4FvG76njcR6PCObPXebb+KCA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:56:49.769174Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.18060","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9180cf72d2a4bd7c2384f0f638356b2c5fb5923e9b41bef1bd33717c0a5f0845","sha256:51f333b1e89a3f4735ad8a9ada0c8adc84ff1522f0bb4c74ef3aae7c4cd92377"],"state_sha256":"0fe9792a4a46d6da6cb90b4df44777241ee4116fd474eb7d5bbee85c356ed998"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kC2r18X05Jy4/uOPfl+hkmYpfOfiePAVwd7BWVximezojTcDkEDeoVFArhd8v8goUtO3LwnSlnfbgpN0G1iVCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T11:10:51.911130Z","bundle_sha256":"6aa1c67c909bc5133db16a75eafab6b7bdd64631731a1d94d0755116c894acc8"}}