{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:J6ZOUQW5BHOFNAQ4FIZOHD6QIJ","short_pith_number":"pith:J6ZOUQW5","canonical_record":{"source":{"id":"1907.03136","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-07-06T15:14:41Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"b9a8a36419b4ce9648d378ad737ba0a8bb88692589732baafd40a0e0283611c8","abstract_canon_sha256":"e42c2346f4ab4dd4b0dee485bacc91eaea6c52f02e5dfd9b6397b55c8645c23b"},"schema_version":"1.0"},"canonical_sha256":"4fb2ea42dd09dc56821c2a32e38fd0427d5b1b8816344b37495761c178385736","source":{"kind":"arxiv","id":"1907.03136","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.03136","created_at":"2026-05-17T23:41:18Z"},{"alias_kind":"arxiv_version","alias_value":"1907.03136v1","created_at":"2026-05-17T23:41:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.03136","created_at":"2026-05-17T23:41:18Z"},{"alias_kind":"pith_short_12","alias_value":"J6ZOUQW5BHOF","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"J6ZOUQW5BHOFNAQ4","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"J6ZOUQW5","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:J6ZOUQW5BHOFNAQ4FIZOHD6QIJ","target":"record","payload":{"canonical_record":{"source":{"id":"1907.03136","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-07-06T15:14:41Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"b9a8a36419b4ce9648d378ad737ba0a8bb88692589732baafd40a0e0283611c8","abstract_canon_sha256":"e42c2346f4ab4dd4b0dee485bacc91eaea6c52f02e5dfd9b6397b55c8645c23b"},"schema_version":"1.0"},"canonical_sha256":"4fb2ea42dd09dc56821c2a32e38fd0427d5b1b8816344b37495761c178385736","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:18.841956Z","signature_b64":"sacipXHYdei0+/lwzwDbylIc5fKTf96Z4NpYX/lGvi713xppXsQcA4kC6toZZFZJRjtgIL65Y7u2GfXopT8ZDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4fb2ea42dd09dc56821c2a32e38fd0427d5b1b8816344b37495761c178385736","last_reissued_at":"2026-05-17T23:41:18.841288Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:18.841288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.03136","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":"2026-05-17T23:41:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JJe0a0sIkBHzP/C/xVHMRA56KFcehZXtAkelTeN5LVFNbLzW8mQFPlLeseKmUC4+SUz3N+co62qmw0z2RcwnAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:42:06.905613Z"},"content_sha256":"6112c15ab4f09c3dfe2453870b72631361f9a1c1bbd6ed4e0da83c783568f1cb","schema_version":"1.0","event_id":"sha256:6112c15ab4f09c3dfe2453870b72631361f9a1c1bbd6ed4e0da83c783568f1cb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:J6ZOUQW5BHOFNAQ4FIZOHD6QIJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"TrustSAS: A Trustworthy Spectrum Access System for the 3.5 GHz CBRS Band","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"cs.NI","authors_text":"Attila A. Yavuz, Bechir Hamdaoui, Mohamed Grissa","submitted_at":"2019-07-06T15:14:41Z","abstract_excerpt":"As part of its ongoing efforts to meet the increased spectrum demand, the Federal Communications Commission (FCC) has recently opened up 150 MHz in the 3.5 GHz band for shared wireless broadband use. Access and operations in this band, aka Citizens Broadband Radio Service (CBRS), will be managed by a dynamic spectrum access system (SAS) to enable seamless spectrum sharing between secondary users (SUs) and incumbent users. Despite its benefits, SAS's design requirements, as set by FCC, present privacy risks to SUs, merely because SUs are required to share sensitive operational information (e.g."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.03136","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":"2026-05-17T23:41:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FTi5kNaQTxJCL3lxmaanCOQIPVo6/NqF3zkVJPr5uVJXDbeMaVJ58B8LJgupFF3rg6LdhpaPN29QmebTBNuOBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:42:06.906017Z"},"content_sha256":"93394eb238c60c05cf4f44cc33337db2a44b670acd2e09997b22180de09e92c9","schema_version":"1.0","event_id":"sha256:93394eb238c60c05cf4f44cc33337db2a44b670acd2e09997b22180de09e92c9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J6ZOUQW5BHOFNAQ4FIZOHD6QIJ/bundle.json","state_url":"https://pith.science/pith/J6ZOUQW5BHOFNAQ4FIZOHD6QIJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J6ZOUQW5BHOFNAQ4FIZOHD6QIJ/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":"2026-05-28T16:42:06Z","links":{"resolver":"https://pith.science/pith/J6ZOUQW5BHOFNAQ4FIZOHD6QIJ","bundle":"https://pith.science/pith/J6ZOUQW5BHOFNAQ4FIZOHD6QIJ/bundle.json","state":"https://pith.science/pith/J6ZOUQW5BHOFNAQ4FIZOHD6QIJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J6ZOUQW5BHOFNAQ4FIZOHD6QIJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:J6ZOUQW5BHOFNAQ4FIZOHD6QIJ","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":"e42c2346f4ab4dd4b0dee485bacc91eaea6c52f02e5dfd9b6397b55c8645c23b","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-07-06T15:14:41Z","title_canon_sha256":"b9a8a36419b4ce9648d378ad737ba0a8bb88692589732baafd40a0e0283611c8"},"schema_version":"1.0","source":{"id":"1907.03136","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.03136","created_at":"2026-05-17T23:41:18Z"},{"alias_kind":"arxiv_version","alias_value":"1907.03136v1","created_at":"2026-05-17T23:41:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.03136","created_at":"2026-05-17T23:41:18Z"},{"alias_kind":"pith_short_12","alias_value":"J6ZOUQW5BHOF","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"J6ZOUQW5BHOFNAQ4","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"J6ZOUQW5","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:93394eb238c60c05cf4f44cc33337db2a44b670acd2e09997b22180de09e92c9","target":"graph","created_at":"2026-05-17T23:41:18Z","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":"As part of its ongoing efforts to meet the increased spectrum demand, the Federal Communications Commission (FCC) has recently opened up 150 MHz in the 3.5 GHz band for shared wireless broadband use. Access and operations in this band, aka Citizens Broadband Radio Service (CBRS), will be managed by a dynamic spectrum access system (SAS) to enable seamless spectrum sharing between secondary users (SUs) and incumbent users. Despite its benefits, SAS's design requirements, as set by FCC, present privacy risks to SUs, merely because SUs are required to share sensitive operational information (e.g.","authors_text":"Attila A. Yavuz, Bechir Hamdaoui, Mohamed Grissa","cross_cats":["cs.CR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-07-06T15:14:41Z","title":"TrustSAS: A Trustworthy Spectrum Access System for the 3.5 GHz CBRS Band"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.03136","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":"sha256:6112c15ab4f09c3dfe2453870b72631361f9a1c1bbd6ed4e0da83c783568f1cb","target":"record","created_at":"2026-05-17T23:41:18Z","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":"e42c2346f4ab4dd4b0dee485bacc91eaea6c52f02e5dfd9b6397b55c8645c23b","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-07-06T15:14:41Z","title_canon_sha256":"b9a8a36419b4ce9648d378ad737ba0a8bb88692589732baafd40a0e0283611c8"},"schema_version":"1.0","source":{"id":"1907.03136","kind":"arxiv","version":1}},"canonical_sha256":"4fb2ea42dd09dc56821c2a32e38fd0427d5b1b8816344b37495761c178385736","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4fb2ea42dd09dc56821c2a32e38fd0427d5b1b8816344b37495761c178385736","first_computed_at":"2026-05-17T23:41:18.841288Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:18.841288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sacipXHYdei0+/lwzwDbylIc5fKTf96Z4NpYX/lGvi713xppXsQcA4kC6toZZFZJRjtgIL65Y7u2GfXopT8ZDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:18.841956Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.03136","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6112c15ab4f09c3dfe2453870b72631361f9a1c1bbd6ed4e0da83c783568f1cb","sha256:93394eb238c60c05cf4f44cc33337db2a44b670acd2e09997b22180de09e92c9"],"state_sha256":"23803fc5e5313d97876f34685579eb65bbb39ddd3f5597139ed58bff8db24d89"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nP3ty91wLdNdnVYDUhdwPuIFQsVhMLnWiqdjpPK1rTwpSLto+jniPsMcmM925+iFU+w03STy/PLZCUeoi5cDCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T16:42:06.909723Z","bundle_sha256":"2677d7cb001185566368a239609ccf640fc8108f7dbd4ca8d4573947aa50e7e1"}}