{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:7USMDEA37VWDDZN2T3DZEPJPQK","short_pith_number":"pith:7USMDEA3","canonical_record":{"source":{"id":"2202.01160","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.NI","submitted_at":"2022-02-02T17:39:19Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"fc808a5b0b2997e5f88e6030659dd499bade60785de9fb6beddf477d88357a0d","abstract_canon_sha256":"f786b41cb433b7527855f6ba26c5cf575783117978e3a79bfa1f0548a1e5dce7"},"schema_version":"1.0"},"canonical_sha256":"fd24c1901bfd6c31e5ba9ec7923d2f8292e2d76549a5ed1094feeb53531f36f7","source":{"kind":"arxiv","id":"2202.01160","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.01160","created_at":"2026-07-05T04:59:18Z"},{"alias_kind":"arxiv_version","alias_value":"2202.01160v2","created_at":"2026-07-05T04:59:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.01160","created_at":"2026-07-05T04:59:18Z"},{"alias_kind":"pith_short_12","alias_value":"7USMDEA37VWD","created_at":"2026-07-05T04:59:18Z"},{"alias_kind":"pith_short_16","alias_value":"7USMDEA37VWDDZN2","created_at":"2026-07-05T04:59:18Z"},{"alias_kind":"pith_short_8","alias_value":"7USMDEA3","created_at":"2026-07-05T04:59:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:7USMDEA37VWDDZN2T3DZEPJPQK","target":"record","payload":{"canonical_record":{"source":{"id":"2202.01160","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.NI","submitted_at":"2022-02-02T17:39:19Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"fc808a5b0b2997e5f88e6030659dd499bade60785de9fb6beddf477d88357a0d","abstract_canon_sha256":"f786b41cb433b7527855f6ba26c5cf575783117978e3a79bfa1f0548a1e5dce7"},"schema_version":"1.0"},"canonical_sha256":"fd24c1901bfd6c31e5ba9ec7923d2f8292e2d76549a5ed1094feeb53531f36f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:59:18.795052Z","signature_b64":"k+eEM0BR/gY4Ubiox0mnaR8mY/KRXFG6cuX19cvCHXMgcyJmJ8Te2JwYSNkItCLJ8Lt/QYnqF08U0vlPxWOrAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd24c1901bfd6c31e5ba9ec7923d2f8292e2d76549a5ed1094feeb53531f36f7","last_reissued_at":"2026-07-05T04:59:18.794552Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:59:18.794552Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.01160","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":"2026-07-05T04:59:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EocSKHEEVbSTHnpK/6g8pXYiAJ7Ohj5YN8rLFgTx6BaR1LwkUcPO9jjLd1H5STsAFgG/14EfCM9JujTxQEuQDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T19:37:15.922921Z"},"content_sha256":"230098d45e1223d129567796ab444fa871107a9aa84275ec09e3e5750abf0b96","schema_version":"1.0","event_id":"sha256:230098d45e1223d129567796ab444fa871107a9aa84275ec09e3e5750abf0b96"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:7USMDEA37VWDDZN2T3DZEPJPQK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Saving Brian's Privacy: the Perils of Privacy Exposure through Reverse DNS","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"cs.NI","authors_text":"Anna Sperotto, Mattijs Jonker, Olivier van der Toorn, Raffaele Sommese, Roland van Rijswijk-Deij","submitted_at":"2022-02-02T17:39:19Z","abstract_excerpt":"Given the importance of privacy, many Internet protocols are nowadays designed with privacy in mind (e.g., using TLS for confidentiality). Foreseeing all privacy issues at the time of protocol design is, however, challenging and may become near impossible when interaction out of protocol bounds occurs. One demonstrably not well understood interaction occurs when DHCP exchanges are accompanied by automated changes to the global DNS (e.g., to dynamically add hostnames for allocated IP addresses). As we will substantiate, this is a privacy risk: one may be able to infer device presence and networ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.01160","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/2202.01160/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":"2026-07-05T04:59:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"guDRHVyMsohLCHIVy1ZfFAq3v8UNCKmVP2S1mq/xXKv8kBcbE9eUpSJRlJvGiu63bQDmXqscFciGhzO9438gAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T19:37:15.924041Z"},"content_sha256":"95f53dfe317b0e9080539309552cc9200bdf49acf1a617608a4e0709d3feb936","schema_version":"1.0","event_id":"sha256:95f53dfe317b0e9080539309552cc9200bdf49acf1a617608a4e0709d3feb936"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7USMDEA37VWDDZN2T3DZEPJPQK/bundle.json","state_url":"https://pith.science/pith/7USMDEA37VWDDZN2T3DZEPJPQK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7USMDEA37VWDDZN2T3DZEPJPQK/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":"2026-08-17T19:37:15Z","links":{"resolver":"https://pith.science/pith/7USMDEA37VWDDZN2T3DZEPJPQK","bundle":"https://pith.science/pith/7USMDEA37VWDDZN2T3DZEPJPQK/bundle.json","state":"https://pith.science/pith/7USMDEA37VWDDZN2T3DZEPJPQK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7USMDEA37VWDDZN2T3DZEPJPQK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:7USMDEA37VWDDZN2T3DZEPJPQK","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":"f786b41cb433b7527855f6ba26c5cf575783117978e3a79bfa1f0548a1e5dce7","cross_cats_sorted":["cs.CR"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.NI","submitted_at":"2022-02-02T17:39:19Z","title_canon_sha256":"fc808a5b0b2997e5f88e6030659dd499bade60785de9fb6beddf477d88357a0d"},"schema_version":"1.0","source":{"id":"2202.01160","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.01160","created_at":"2026-07-05T04:59:18Z"},{"alias_kind":"arxiv_version","alias_value":"2202.01160v2","created_at":"2026-07-05T04:59:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.01160","created_at":"2026-07-05T04:59:18Z"},{"alias_kind":"pith_short_12","alias_value":"7USMDEA37VWD","created_at":"2026-07-05T04:59:18Z"},{"alias_kind":"pith_short_16","alias_value":"7USMDEA37VWDDZN2","created_at":"2026-07-05T04:59:18Z"},{"alias_kind":"pith_short_8","alias_value":"7USMDEA3","created_at":"2026-07-05T04:59:18Z"}],"graph_snapshots":[{"event_id":"sha256:95f53dfe317b0e9080539309552cc9200bdf49acf1a617608a4e0709d3feb936","target":"graph","created_at":"2026-07-05T04:59:18Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2202.01160/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Given the importance of privacy, many Internet protocols are nowadays designed with privacy in mind (e.g., using TLS for confidentiality). Foreseeing all privacy issues at the time of protocol design is, however, challenging and may become near impossible when interaction out of protocol bounds occurs. One demonstrably not well understood interaction occurs when DHCP exchanges are accompanied by automated changes to the global DNS (e.g., to dynamically add hostnames for allocated IP addresses). As we will substantiate, this is a privacy risk: one may be able to infer device presence and networ","authors_text":"Anna Sperotto, Mattijs Jonker, Olivier van der Toorn, Raffaele Sommese, Roland van Rijswijk-Deij","cross_cats":["cs.CR"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.NI","submitted_at":"2022-02-02T17:39:19Z","title":"Saving Brian's Privacy: the Perils of Privacy Exposure through Reverse DNS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.01160","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":"sha256:230098d45e1223d129567796ab444fa871107a9aa84275ec09e3e5750abf0b96","target":"record","created_at":"2026-07-05T04:59:18Z","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":"f786b41cb433b7527855f6ba26c5cf575783117978e3a79bfa1f0548a1e5dce7","cross_cats_sorted":["cs.CR"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.NI","submitted_at":"2022-02-02T17:39:19Z","title_canon_sha256":"fc808a5b0b2997e5f88e6030659dd499bade60785de9fb6beddf477d88357a0d"},"schema_version":"1.0","source":{"id":"2202.01160","kind":"arxiv","version":2}},"canonical_sha256":"fd24c1901bfd6c31e5ba9ec7923d2f8292e2d76549a5ed1094feeb53531f36f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd24c1901bfd6c31e5ba9ec7923d2f8292e2d76549a5ed1094feeb53531f36f7","first_computed_at":"2026-07-05T04:59:18.794552Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:59:18.794552Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k+eEM0BR/gY4Ubiox0mnaR8mY/KRXFG6cuX19cvCHXMgcyJmJ8Te2JwYSNkItCLJ8Lt/QYnqF08U0vlPxWOrAg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:59:18.795052Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.01160","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:230098d45e1223d129567796ab444fa871107a9aa84275ec09e3e5750abf0b96","sha256:95f53dfe317b0e9080539309552cc9200bdf49acf1a617608a4e0709d3feb936"],"state_sha256":"3f416c91da6c3cd229a8e9bd15c221737179cdad3e50077b07f950201998bf48"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HIKjAWLAhNigcnePojqeL0+/wZwuAWkdEWq8AwYpoVkuWSQ29lZeRsSUTMrJpCAqyd84+llBJNK8SotrxuViBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T19:37:15.934953Z","bundle_sha256":"ec2cdef4fa02e68f27cbce1aa278a5cef84b5eaaf4216a9c7d25e5d27c2e16dd"}}