{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:ZMTMM24LCFG34WO22C5UHCLP65","short_pith_number":"pith:ZMTMM24L","canonical_record":{"source":{"id":"2507.19173","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2025-07-25T11:28:23Z","cross_cats_sorted":["cs.NI"],"title_canon_sha256":"11ca477bd842c4c853cf3a202e27becaf0be1689c2f0645b70e166997dc0f2b3","abstract_canon_sha256":"a488137527d592949ceccd02eb022751dc96ce3467306d9e2eb42421025b3a9f"},"schema_version":"1.0"},"canonical_sha256":"cb26c66b8b114dbe59dad0bb43896ff74a80bd87cccbc71af66848f6f3d65288","source":{"kind":"arxiv","id":"2507.19173","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.19173","created_at":"2026-07-05T11:43:20Z"},{"alias_kind":"arxiv_version","alias_value":"2507.19173v1","created_at":"2026-07-05T11:43:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.19173","created_at":"2026-07-05T11:43:20Z"},{"alias_kind":"pith_short_12","alias_value":"ZMTMM24LCFG3","created_at":"2026-07-05T11:43:20Z"},{"alias_kind":"pith_short_16","alias_value":"ZMTMM24LCFG34WO2","created_at":"2026-07-05T11:43:20Z"},{"alias_kind":"pith_short_8","alias_value":"ZMTMM24L","created_at":"2026-07-05T11:43:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:ZMTMM24LCFG34WO22C5UHCLP65","target":"record","payload":{"canonical_record":{"source":{"id":"2507.19173","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2025-07-25T11:28:23Z","cross_cats_sorted":["cs.NI"],"title_canon_sha256":"11ca477bd842c4c853cf3a202e27becaf0be1689c2f0645b70e166997dc0f2b3","abstract_canon_sha256":"a488137527d592949ceccd02eb022751dc96ce3467306d9e2eb42421025b3a9f"},"schema_version":"1.0"},"canonical_sha256":"cb26c66b8b114dbe59dad0bb43896ff74a80bd87cccbc71af66848f6f3d65288","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:43:20.779816Z","signature_b64":"OzcUya53xaGVnGV8xsdNIJgZevRtwoO5NmX17MZqkeqodA8ZhbyItw69w9sE/Cjrvgj0cpUa5ZBKhhXfGUAQAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb26c66b8b114dbe59dad0bb43896ff74a80bd87cccbc71af66848f6f3d65288","last_reissued_at":"2026-07-05T11:43:20.779342Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:43:20.779342Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.19173","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":"2026-07-05T11:43:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GC0p06wMmcHdHc6mZQrYeAfq7vUuxb9jLtTMTO9cmIotAy7XjCErJr6db0iD4z2d6U4rKQN7s+6z2dpLrra1Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-14T00:21:06.931233Z"},"content_sha256":"afb4675628052c53e1754d8fc3e8e2308372d4fa0f6968a9a4160a986c6de5b0","schema_version":"1.0","event_id":"sha256:afb4675628052c53e1754d8fc3e8e2308372d4fa0f6968a9a4160a986c6de5b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:ZMTMM24LCFG34WO22C5UHCLP65","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-Fidelity RF Mapping: Assessing Environmental Modeling in 6G Network Digital Twins","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":["cs.NI"],"primary_cat":"eess.SP","authors_text":"Damiano Badini, Francesco Linsalata, Lorenzo Cazzella, Matteo Matteucci, Maurizio Magarini, Umberto Spagnolini","submitted_at":"2025-07-25T11:28:23Z","abstract_excerpt":"The design of accurate Digital Twins (DTs) of electromagnetic environments strictly depends on the fidelity of the underlying environmental modeling. Evaluating the differences among diverse levels of modeling accuracy is key to determine the relevance of the model features towards both efficient and accurate DT simulations. In this paper, we propose two metrics, the Hausdorff ray tracing (HRT) and chamfer ray tracing (CRT) distances, to consistently compare the temporal, angular and power features between two ray tracing simulations performed on 3D scenarios featured by environmental changes."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.19173","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/2507.19173/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":"2026-07-05T11:43:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iUlTRRBuk5pWtVSeyAMw9fvh28vDcfN4qt0xiT/xwka7WUQ3FXtBhnpVvlG+ZLTu7wO2JRWpeWXflanOx4+mDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-14T00:21:06.931623Z"},"content_sha256":"657a51b9875313df15e5cddec27212f115109b3931177dda995341703fe8208d","schema_version":"1.0","event_id":"sha256:657a51b9875313df15e5cddec27212f115109b3931177dda995341703fe8208d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZMTMM24LCFG34WO22C5UHCLP65/bundle.json","state_url":"https://pith.science/pith/ZMTMM24LCFG34WO22C5UHCLP65/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZMTMM24LCFG34WO22C5UHCLP65/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":"2026-07-14T00:21:06Z","links":{"resolver":"https://pith.science/pith/ZMTMM24LCFG34WO22C5UHCLP65","bundle":"https://pith.science/pith/ZMTMM24LCFG34WO22C5UHCLP65/bundle.json","state":"https://pith.science/pith/ZMTMM24LCFG34WO22C5UHCLP65/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZMTMM24LCFG34WO22C5UHCLP65/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ZMTMM24LCFG34WO22C5UHCLP65","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":"a488137527d592949ceccd02eb022751dc96ce3467306d9e2eb42421025b3a9f","cross_cats_sorted":["cs.NI"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2025-07-25T11:28:23Z","title_canon_sha256":"11ca477bd842c4c853cf3a202e27becaf0be1689c2f0645b70e166997dc0f2b3"},"schema_version":"1.0","source":{"id":"2507.19173","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.19173","created_at":"2026-07-05T11:43:20Z"},{"alias_kind":"arxiv_version","alias_value":"2507.19173v1","created_at":"2026-07-05T11:43:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.19173","created_at":"2026-07-05T11:43:20Z"},{"alias_kind":"pith_short_12","alias_value":"ZMTMM24LCFG3","created_at":"2026-07-05T11:43:20Z"},{"alias_kind":"pith_short_16","alias_value":"ZMTMM24LCFG34WO2","created_at":"2026-07-05T11:43:20Z"},{"alias_kind":"pith_short_8","alias_value":"ZMTMM24L","created_at":"2026-07-05T11:43:20Z"}],"graph_snapshots":[{"event_id":"sha256:657a51b9875313df15e5cddec27212f115109b3931177dda995341703fe8208d","target":"graph","created_at":"2026-07-05T11:43:20Z","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/2507.19173/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The design of accurate Digital Twins (DTs) of electromagnetic environments strictly depends on the fidelity of the underlying environmental modeling. Evaluating the differences among diverse levels of modeling accuracy is key to determine the relevance of the model features towards both efficient and accurate DT simulations. In this paper, we propose two metrics, the Hausdorff ray tracing (HRT) and chamfer ray tracing (CRT) distances, to consistently compare the temporal, angular and power features between two ray tracing simulations performed on 3D scenarios featured by environmental changes.","authors_text":"Damiano Badini, Francesco Linsalata, Lorenzo Cazzella, Matteo Matteucci, Maurizio Magarini, Umberto Spagnolini","cross_cats":["cs.NI"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2025-07-25T11:28:23Z","title":"High-Fidelity RF Mapping: Assessing Environmental Modeling in 6G Network Digital Twins"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.19173","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:afb4675628052c53e1754d8fc3e8e2308372d4fa0f6968a9a4160a986c6de5b0","target":"record","created_at":"2026-07-05T11:43:20Z","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":"a488137527d592949ceccd02eb022751dc96ce3467306d9e2eb42421025b3a9f","cross_cats_sorted":["cs.NI"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2025-07-25T11:28:23Z","title_canon_sha256":"11ca477bd842c4c853cf3a202e27becaf0be1689c2f0645b70e166997dc0f2b3"},"schema_version":"1.0","source":{"id":"2507.19173","kind":"arxiv","version":1}},"canonical_sha256":"cb26c66b8b114dbe59dad0bb43896ff74a80bd87cccbc71af66848f6f3d65288","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cb26c66b8b114dbe59dad0bb43896ff74a80bd87cccbc71af66848f6f3d65288","first_computed_at":"2026-07-05T11:43:20.779342Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:43:20.779342Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OzcUya53xaGVnGV8xsdNIJgZevRtwoO5NmX17MZqkeqodA8ZhbyItw69w9sE/Cjrvgj0cpUa5ZBKhhXfGUAQAg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:43:20.779816Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.19173","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:afb4675628052c53e1754d8fc3e8e2308372d4fa0f6968a9a4160a986c6de5b0","sha256:657a51b9875313df15e5cddec27212f115109b3931177dda995341703fe8208d"],"state_sha256":"4f515c5c4131a952f37222e125aa5a9eaaa7c1a8e12f51d8669d6f6fbadcc604"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9jlF7O9upK+sBkyG/EIK1EguLGQhc0nH5ovGQ8tz1eoTO/tS8scVJSSNrawNj9Nlq4CVdk/6kLeMlhuxbGQaAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-14T00:21:06.934357Z","bundle_sha256":"6ea7ae7e40480915d0cbefd67992df422f26c094e804a0099e3b96dfad7a25fb"}}