{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:KBONKJ3DZ3KHTPI44LKOQVEYIT","short_pith_number":"pith:KBONKJ3D","canonical_record":{"source":{"id":"2507.02680","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.NI","submitted_at":"2025-07-03T14:42:41Z","cross_cats_sorted":[],"title_canon_sha256":"8b87a20a89fca7933ca57d3e6006266123c226b2be6b83496c8eba7ec9f449c7","abstract_canon_sha256":"94967b1d46b65e7fc733ad8c54a32382c9f1e6e2d343ca692b094b01744519c8"},"schema_version":"1.0"},"canonical_sha256":"505cd52763ced479bd1ce2d4e8549844e1afa18d2401fa0da65b77d5996fa4bf","source":{"kind":"arxiv","id":"2507.02680","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.02680","created_at":"2026-07-05T11:31:32Z"},{"alias_kind":"arxiv_version","alias_value":"2507.02680v1","created_at":"2026-07-05T11:31:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.02680","created_at":"2026-07-05T11:31:32Z"},{"alias_kind":"pith_short_12","alias_value":"KBONKJ3DZ3KH","created_at":"2026-07-05T11:31:32Z"},{"alias_kind":"pith_short_16","alias_value":"KBONKJ3DZ3KHTPI4","created_at":"2026-07-05T11:31:32Z"},{"alias_kind":"pith_short_8","alias_value":"KBONKJ3D","created_at":"2026-07-05T11:31:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:KBONKJ3DZ3KHTPI44LKOQVEYIT","target":"record","payload":{"canonical_record":{"source":{"id":"2507.02680","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.NI","submitted_at":"2025-07-03T14:42:41Z","cross_cats_sorted":[],"title_canon_sha256":"8b87a20a89fca7933ca57d3e6006266123c226b2be6b83496c8eba7ec9f449c7","abstract_canon_sha256":"94967b1d46b65e7fc733ad8c54a32382c9f1e6e2d343ca692b094b01744519c8"},"schema_version":"1.0"},"canonical_sha256":"505cd52763ced479bd1ce2d4e8549844e1afa18d2401fa0da65b77d5996fa4bf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:31:32.938260Z","signature_b64":"UOvLWxdp2mW4WpAJkThh6VEMG/yb2CkE7epYW0lefNQSPAbY1REgrJC1QnfclkK/cFTrxmiRC/RXFxwSmkB4AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"505cd52763ced479bd1ce2d4e8549844e1afa18d2401fa0da65b77d5996fa4bf","last_reissued_at":"2026-07-05T11:31:32.937751Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:31:32.937751Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.02680","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":"2026-07-05T11:31:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qQamk7DP87NjiM31lxGF2v6gf7W28dgbDmrB5ihZ5nTJObxzS2yrfNGPzplrfQq1TUuF+En1VHEkszv7jxtWCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:30:25.934521Z"},"content_sha256":"5bd8a03ae2748b713e111d4b68800e497061d2902be6aab140de2a569ad0d278","schema_version":"1.0","event_id":"sha256:5bd8a03ae2748b713e111d4b68800e497061d2902be6aab140de2a569ad0d278"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:KBONKJ3DZ3KHTPI44LKOQVEYIT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Architectural Split and Radio Intelligence Controller Placement in Integrated O-RAN-enabled Non-Terrestrial Networks","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Cristian J. Vaca-Rubio, Engin Zeydan, Jorge Baranda, Kapal Dev, Luis Blanco, Marius Caus, Tomaso DeCola, Zheng Li","submitted_at":"2025-07-03T14:42:41Z","abstract_excerpt":"The integration of Terrestrial Networks (TNs) with Non-Terrestrial Networks (NTNs) poses unique architectural and functional challenges due to heterogeneous propagation conditions, dynamic topologies and limited on-board processing capabilities. This paper examines architectural and functional split strategies that are consistent with O-RAN principles for future integrated TN-NTN systems. A taxonomy of split options is proposed that distributes RAN and core functions between satellites and ground nodes, and trade-offs in terms of performance, latency, autonomy and deployment are analysed. In p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.02680","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/2507.02680/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":"2026-07-05T11:31:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HdExMK6Tm8zOpXHqnjupxCBxhWbi/Z2nIeLqOgfN62MjUsWNZpF4yhln/yZgUZ1+z95Q4IkLmPqIlEh3eNLbCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:30:25.935224Z"},"content_sha256":"dff7301b21e9e861034b06cb46abe39268c75fb8466f7cc948764e9fbf79eee1","schema_version":"1.0","event_id":"sha256:dff7301b21e9e861034b06cb46abe39268c75fb8466f7cc948764e9fbf79eee1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KBONKJ3DZ3KHTPI44LKOQVEYIT/bundle.json","state_url":"https://pith.science/pith/KBONKJ3DZ3KHTPI44LKOQVEYIT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KBONKJ3DZ3KHTPI44LKOQVEYIT/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":"2026-07-07T05:30:25Z","links":{"resolver":"https://pith.science/pith/KBONKJ3DZ3KHTPI44LKOQVEYIT","bundle":"https://pith.science/pith/KBONKJ3DZ3KHTPI44LKOQVEYIT/bundle.json","state":"https://pith.science/pith/KBONKJ3DZ3KHTPI44LKOQVEYIT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KBONKJ3DZ3KHTPI44LKOQVEYIT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:KBONKJ3DZ3KHTPI44LKOQVEYIT","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":"94967b1d46b65e7fc733ad8c54a32382c9f1e6e2d343ca692b094b01744519c8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.NI","submitted_at":"2025-07-03T14:42:41Z","title_canon_sha256":"8b87a20a89fca7933ca57d3e6006266123c226b2be6b83496c8eba7ec9f449c7"},"schema_version":"1.0","source":{"id":"2507.02680","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.02680","created_at":"2026-07-05T11:31:32Z"},{"alias_kind":"arxiv_version","alias_value":"2507.02680v1","created_at":"2026-07-05T11:31:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.02680","created_at":"2026-07-05T11:31:32Z"},{"alias_kind":"pith_short_12","alias_value":"KBONKJ3DZ3KH","created_at":"2026-07-05T11:31:32Z"},{"alias_kind":"pith_short_16","alias_value":"KBONKJ3DZ3KHTPI4","created_at":"2026-07-05T11:31:32Z"},{"alias_kind":"pith_short_8","alias_value":"KBONKJ3D","created_at":"2026-07-05T11:31:32Z"}],"graph_snapshots":[{"event_id":"sha256:dff7301b21e9e861034b06cb46abe39268c75fb8466f7cc948764e9fbf79eee1","target":"graph","created_at":"2026-07-05T11:31:32Z","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/2507.02680/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The integration of Terrestrial Networks (TNs) with Non-Terrestrial Networks (NTNs) poses unique architectural and functional challenges due to heterogeneous propagation conditions, dynamic topologies and limited on-board processing capabilities. This paper examines architectural and functional split strategies that are consistent with O-RAN principles for future integrated TN-NTN systems. A taxonomy of split options is proposed that distributes RAN and core functions between satellites and ground nodes, and trade-offs in terms of performance, latency, autonomy and deployment are analysed. In p","authors_text":"Cristian J. Vaca-Rubio, Engin Zeydan, Jorge Baranda, Kapal Dev, Luis Blanco, Marius Caus, Tomaso DeCola, Zheng Li","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.NI","submitted_at":"2025-07-03T14:42:41Z","title":"On the Architectural Split and Radio Intelligence Controller Placement in Integrated O-RAN-enabled Non-Terrestrial Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.02680","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":"sha256:5bd8a03ae2748b713e111d4b68800e497061d2902be6aab140de2a569ad0d278","target":"record","created_at":"2026-07-05T11:31:32Z","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":"94967b1d46b65e7fc733ad8c54a32382c9f1e6e2d343ca692b094b01744519c8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.NI","submitted_at":"2025-07-03T14:42:41Z","title_canon_sha256":"8b87a20a89fca7933ca57d3e6006266123c226b2be6b83496c8eba7ec9f449c7"},"schema_version":"1.0","source":{"id":"2507.02680","kind":"arxiv","version":1}},"canonical_sha256":"505cd52763ced479bd1ce2d4e8549844e1afa18d2401fa0da65b77d5996fa4bf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"505cd52763ced479bd1ce2d4e8549844e1afa18d2401fa0da65b77d5996fa4bf","first_computed_at":"2026-07-05T11:31:32.937751Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:31:32.937751Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UOvLWxdp2mW4WpAJkThh6VEMG/yb2CkE7epYW0lefNQSPAbY1REgrJC1QnfclkK/cFTrxmiRC/RXFxwSmkB4AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:31:32.938260Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.02680","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5bd8a03ae2748b713e111d4b68800e497061d2902be6aab140de2a569ad0d278","sha256:dff7301b21e9e861034b06cb46abe39268c75fb8466f7cc948764e9fbf79eee1"],"state_sha256":"c8be77c7f63d8a6899a0e98b796c79059e45468ea9ced2bf4da8b6a7f330a306"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ds/cD2KMhrxWauBagxf9k4qEmbWhPxNXHFf4loI3MAK/+1PPdGHgQU4FQ2ADdsbKooR9/+hI6O74ipmp6bqJCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T05:30:25.938697Z","bundle_sha256":"20ffb894bdcce28c388fadb31ae82a0832dd65e3dfb253b07dc11d98ebd2072c"}}