{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:XWHR64TI6YLQJ4TKHMSDD5MSZJ","short_pith_number":"pith:XWHR64TI","canonical_record":{"source":{"id":"2601.04882","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2026-01-08T12:29:47Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"44f39fe50b0f4276d7b26d62af20c9b8882e900b046e381f72e60427d14ad62d","abstract_canon_sha256":"c07a8afcd32389a88ad343e1af35acae33e65a2dc3722f69b870d43d2e63b090"},"schema_version":"1.0"},"canonical_sha256":"bd8f1f7268f61704f26a3b2431f592ca432d9253592c065fe8537c766ad8f608","source":{"kind":"arxiv","id":"2601.04882","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.04882","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"arxiv_version","alias_value":"2601.04882v2","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.04882","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"pith_short_12","alias_value":"XWHR64TI6YLQ","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"pith_short_16","alias_value":"XWHR64TI6YLQJ4TK","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"pith_short_8","alias_value":"XWHR64TI","created_at":"2026-06-04T01:09:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:XWHR64TI6YLQJ4TKHMSDD5MSZJ","target":"record","payload":{"canonical_record":{"source":{"id":"2601.04882","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2026-01-08T12:29:47Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"44f39fe50b0f4276d7b26d62af20c9b8882e900b046e381f72e60427d14ad62d","abstract_canon_sha256":"c07a8afcd32389a88ad343e1af35acae33e65a2dc3722f69b870d43d2e63b090"},"schema_version":"1.0"},"canonical_sha256":"bd8f1f7268f61704f26a3b2431f592ca432d9253592c065fe8537c766ad8f608","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-04T01:09:40.861430Z","signature_b64":"9/kVJG5+G/4IDXaqLwkdTtzqUyP6qMRkus/WGrCGs7kNkrntF1cjC8C50SfTEPPQtXsXRPjjS1ZJKBbSnSOCDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd8f1f7268f61704f26a3b2431f592ca432d9253592c065fe8537c766ad8f608","last_reissued_at":"2026-06-04T01:09:40.860848Z","signature_status":"signed_v1","first_computed_at":"2026-06-04T01:09:40.860848Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2601.04882","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-04T01:09:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Q/VVQybZQh3fhI2nJajy56cyOR3FC+Q1dyqU7GZM63AAtGOYr8MOblSbJt/2uxjx2jxZ4t84EFE8tmTUPrhAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T20:11:12.867301Z"},"content_sha256":"ada9bdcbb7a00af85af363eb1311d6a22202e74de2e1dc8b6eb18cc45b506871","schema_version":"1.0","event_id":"sha256:ada9bdcbb7a00af85af363eb1311d6a22202e74de2e1dc8b6eb18cc45b506871"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:XWHR64TI6YLQJ4TKHMSDD5MSZJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"5G NR Non-Terrestrial Networks: From Early Results to the Road Ahead","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.ET"],"primary_cat":"cs.NI","authors_text":"Alessandro Traspadini, Chinmay Mahabal, Chunghan Lee, Dogan Kutay Pekcan, Francesco Rossato, Marco Giordani, Mattia Figaro, Michele Zorzi, Sanjeewa Herath, Takayuki Shimizu","submitted_at":"2026-01-08T12:29:47Z","abstract_excerpt":"This paper overviews the 3GPP 5G NR-NTN standard, detailing the evolution from Rel. 18 to 19 and innovations for Rel. 20. Using realistic ns-3 simulations validated against 3GPP calibration data, we evaluate various satellite network configurations. The results highlight the potential of NTNs to extend wireless connectivity to remote areas, serve requests during emergency, and alleviate terrestrial network congestion."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.04882","kind":"arxiv","version":2},"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/2601.04882/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":"2026-06-04T01:09:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wFDL9e0fv4YHkGhOETx5hEJJbKmpArjrY9QaCd/KfRDYQ516p2vG5G8/I7E9XZ75cJsQQeU5ofQMKAcBtPuJAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T20:11:12.867711Z"},"content_sha256":"4b2af662b4dd8fa03ac8da2d941c44fe8e671977f1438fa1770a9361a00f4203","schema_version":"1.0","event_id":"sha256:4b2af662b4dd8fa03ac8da2d941c44fe8e671977f1438fa1770a9361a00f4203"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XWHR64TI6YLQJ4TKHMSDD5MSZJ/bundle.json","state_url":"https://pith.science/pith/XWHR64TI6YLQJ4TKHMSDD5MSZJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XWHR64TI6YLQJ4TKHMSDD5MSZJ/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":"2026-06-04T20:11:12Z","links":{"resolver":"https://pith.science/pith/XWHR64TI6YLQJ4TKHMSDD5MSZJ","bundle":"https://pith.science/pith/XWHR64TI6YLQJ4TKHMSDD5MSZJ/bundle.json","state":"https://pith.science/pith/XWHR64TI6YLQJ4TKHMSDD5MSZJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XWHR64TI6YLQJ4TKHMSDD5MSZJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:XWHR64TI6YLQJ4TKHMSDD5MSZJ","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":"c07a8afcd32389a88ad343e1af35acae33e65a2dc3722f69b870d43d2e63b090","cross_cats_sorted":["cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2026-01-08T12:29:47Z","title_canon_sha256":"44f39fe50b0f4276d7b26d62af20c9b8882e900b046e381f72e60427d14ad62d"},"schema_version":"1.0","source":{"id":"2601.04882","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.04882","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"arxiv_version","alias_value":"2601.04882v2","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.04882","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"pith_short_12","alias_value":"XWHR64TI6YLQ","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"pith_short_16","alias_value":"XWHR64TI6YLQJ4TK","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"pith_short_8","alias_value":"XWHR64TI","created_at":"2026-06-04T01:09:40Z"}],"graph_snapshots":[{"event_id":"sha256:4b2af662b4dd8fa03ac8da2d941c44fe8e671977f1438fa1770a9361a00f4203","target":"graph","created_at":"2026-06-04T01:09:40Z","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/2601.04882/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper overviews the 3GPP 5G NR-NTN standard, detailing the evolution from Rel. 18 to 19 and innovations for Rel. 20. Using realistic ns-3 simulations validated against 3GPP calibration data, we evaluate various satellite network configurations. The results highlight the potential of NTNs to extend wireless connectivity to remote areas, serve requests during emergency, and alleviate terrestrial network congestion.","authors_text":"Alessandro Traspadini, Chinmay Mahabal, Chunghan Lee, Dogan Kutay Pekcan, Francesco Rossato, Marco Giordani, Mattia Figaro, Michele Zorzi, Sanjeewa Herath, Takayuki Shimizu","cross_cats":["cs.ET"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2026-01-08T12:29:47Z","title":"5G NR Non-Terrestrial Networks: From Early Results to the Road Ahead"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.04882","kind":"arxiv","version":2},"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:ada9bdcbb7a00af85af363eb1311d6a22202e74de2e1dc8b6eb18cc45b506871","target":"record","created_at":"2026-06-04T01:09:40Z","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":"c07a8afcd32389a88ad343e1af35acae33e65a2dc3722f69b870d43d2e63b090","cross_cats_sorted":["cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2026-01-08T12:29:47Z","title_canon_sha256":"44f39fe50b0f4276d7b26d62af20c9b8882e900b046e381f72e60427d14ad62d"},"schema_version":"1.0","source":{"id":"2601.04882","kind":"arxiv","version":2}},"canonical_sha256":"bd8f1f7268f61704f26a3b2431f592ca432d9253592c065fe8537c766ad8f608","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bd8f1f7268f61704f26a3b2431f592ca432d9253592c065fe8537c766ad8f608","first_computed_at":"2026-06-04T01:09:40.860848Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-04T01:09:40.860848Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9/kVJG5+G/4IDXaqLwkdTtzqUyP6qMRkus/WGrCGs7kNkrntF1cjC8C50SfTEPPQtXsXRPjjS1ZJKBbSnSOCDA==","signature_status":"signed_v1","signed_at":"2026-06-04T01:09:40.861430Z","signed_message":"canonical_sha256_bytes"},"source_id":"2601.04882","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ada9bdcbb7a00af85af363eb1311d6a22202e74de2e1dc8b6eb18cc45b506871","sha256:4b2af662b4dd8fa03ac8da2d941c44fe8e671977f1438fa1770a9361a00f4203"],"state_sha256":"36d8f5d41efa78e80e383e79be8b16088ebefeb8fb4f083787646cbeade05795"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MJcMdbC6GIWcPNFHoY74KTVhovLgImBr3+xuXj4yGbdY0cvxPmYI7LeaE4MnigKC8g+U+Fgs3zygxwLIKuntBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T20:11:12.869873Z","bundle_sha256":"b67ac4e83886e9f6c1ebdcf07651312eb11f011b4b45f010387b277890b1f8d3"}}