{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:QHF7MJDNIB6CMEOAU6VVFHDB4V","short_pith_number":"pith:QHF7MJDN","canonical_record":{"source":{"id":"2305.16629","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2023-05-26T04:48:58Z","cross_cats_sorted":[],"title_canon_sha256":"1942b04b002d1689afca0fdb6ae80b95362b8432e3867faa22c0d9f8c951eeb8","abstract_canon_sha256":"f13e0c7cb0f39700d72eb4dc3f1611d351fc229989c4130464bf39221d981f5b"},"schema_version":"1.0"},"canonical_sha256":"81cbf6246d407c2611c0a7ab529c61e540e6f29c8c3871e27fcc1e690ddf1931","source":{"kind":"arxiv","id":"2305.16629","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.16629","created_at":"2026-07-05T06:54:16Z"},{"alias_kind":"arxiv_version","alias_value":"2305.16629v2","created_at":"2026-07-05T06:54:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.16629","created_at":"2026-07-05T06:54:16Z"},{"alias_kind":"pith_short_12","alias_value":"QHF7MJDNIB6C","created_at":"2026-07-05T06:54:16Z"},{"alias_kind":"pith_short_16","alias_value":"QHF7MJDNIB6CMEOA","created_at":"2026-07-05T06:54:16Z"},{"alias_kind":"pith_short_8","alias_value":"QHF7MJDN","created_at":"2026-07-05T06:54:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:QHF7MJDNIB6CMEOAU6VVFHDB4V","target":"record","payload":{"canonical_record":{"source":{"id":"2305.16629","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2023-05-26T04:48:58Z","cross_cats_sorted":[],"title_canon_sha256":"1942b04b002d1689afca0fdb6ae80b95362b8432e3867faa22c0d9f8c951eeb8","abstract_canon_sha256":"f13e0c7cb0f39700d72eb4dc3f1611d351fc229989c4130464bf39221d981f5b"},"schema_version":"1.0"},"canonical_sha256":"81cbf6246d407c2611c0a7ab529c61e540e6f29c8c3871e27fcc1e690ddf1931","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:54:16.743030Z","signature_b64":"SqvTvWjsbXRFs2GYLejIY49gucofhKFrr8XNhGAFqkVlSqrrYutKxpUP/2vkJS1EPUUzjS5+kMuXuWhQUVvlCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81cbf6246d407c2611c0a7ab529c61e540e6f29c8c3871e27fcc1e690ddf1931","last_reissued_at":"2026-07-05T06:54:16.742448Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:54:16.742448Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.16629","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":"2026-07-05T06:54:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JQ2sre7YWSGUG8FtclAYQAsWEpcypLH9u1o+sDafh+BkEwcFb2zr2rihZbxJYbETg5CijiZO9gUX4eckO0uUCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T22:50:17.032726Z"},"content_sha256":"2d2048d1e0b93becf30f446dddda48290b6343d2049f70a9073203c7a1f950b0","schema_version":"1.0","event_id":"sha256:2d2048d1e0b93becf30f446dddda48290b6343d2049f70a9073203c7a1f950b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:QHF7MJDNIB6CMEOAU6VVFHDB4V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Panini -- Anonymous Anycast and an Instantiation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Christiane Kuhn, Christoph Coijanovic, Thorsten Strufe","submitted_at":"2023-05-26T04:48:58Z","abstract_excerpt":"Anycast messaging (i.e., sending a message to an unspecified receiver) has long been neglected by the anonymous communication community. An anonymous anycast prevents senders from learning who the receiver of their message is, allowing for greater privacy in areas such as political activism and whistleblowing. While there have been some protocol ideas proposed, formal treatment of the problem is absent. Formal definitions of what constitutes anonymous anycast and privacy in this context are however a requirement for constructing protocols with provable guarantees. In this work, we define the a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.16629","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/2305.16629/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":"2026-07-05T06:54:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oqHf+zsueZ65PS8QtHmz1IkV0zMQbLWudRX/FOuisbkrfHeFfPJ7dHPO1MwCzjUI8I/efK9HP110HgkIcltbAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T22:50:17.033100Z"},"content_sha256":"50d7c2510147f43f60fda6d5c1d2630f45c32d08e7f5c42bb3d9aaecb38ef766","schema_version":"1.0","event_id":"sha256:50d7c2510147f43f60fda6d5c1d2630f45c32d08e7f5c42bb3d9aaecb38ef766"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QHF7MJDNIB6CMEOAU6VVFHDB4V/bundle.json","state_url":"https://pith.science/pith/QHF7MJDNIB6CMEOAU6VVFHDB4V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QHF7MJDNIB6CMEOAU6VVFHDB4V/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":"2026-08-23T22:50:17Z","links":{"resolver":"https://pith.science/pith/QHF7MJDNIB6CMEOAU6VVFHDB4V","bundle":"https://pith.science/pith/QHF7MJDNIB6CMEOAU6VVFHDB4V/bundle.json","state":"https://pith.science/pith/QHF7MJDNIB6CMEOAU6VVFHDB4V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QHF7MJDNIB6CMEOAU6VVFHDB4V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:QHF7MJDNIB6CMEOAU6VVFHDB4V","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":"f13e0c7cb0f39700d72eb4dc3f1611d351fc229989c4130464bf39221d981f5b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2023-05-26T04:48:58Z","title_canon_sha256":"1942b04b002d1689afca0fdb6ae80b95362b8432e3867faa22c0d9f8c951eeb8"},"schema_version":"1.0","source":{"id":"2305.16629","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.16629","created_at":"2026-07-05T06:54:16Z"},{"alias_kind":"arxiv_version","alias_value":"2305.16629v2","created_at":"2026-07-05T06:54:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.16629","created_at":"2026-07-05T06:54:16Z"},{"alias_kind":"pith_short_12","alias_value":"QHF7MJDNIB6C","created_at":"2026-07-05T06:54:16Z"},{"alias_kind":"pith_short_16","alias_value":"QHF7MJDNIB6CMEOA","created_at":"2026-07-05T06:54:16Z"},{"alias_kind":"pith_short_8","alias_value":"QHF7MJDN","created_at":"2026-07-05T06:54:16Z"}],"graph_snapshots":[{"event_id":"sha256:50d7c2510147f43f60fda6d5c1d2630f45c32d08e7f5c42bb3d9aaecb38ef766","target":"graph","created_at":"2026-07-05T06:54:16Z","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/2305.16629/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Anycast messaging (i.e., sending a message to an unspecified receiver) has long been neglected by the anonymous communication community. An anonymous anycast prevents senders from learning who the receiver of their message is, allowing for greater privacy in areas such as political activism and whistleblowing. While there have been some protocol ideas proposed, formal treatment of the problem is absent. Formal definitions of what constitutes anonymous anycast and privacy in this context are however a requirement for constructing protocols with provable guarantees. In this work, we define the a","authors_text":"Christiane Kuhn, Christoph Coijanovic, Thorsten Strufe","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2023-05-26T04:48:58Z","title":"Panini -- Anonymous Anycast and an Instantiation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.16629","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":"sha256:2d2048d1e0b93becf30f446dddda48290b6343d2049f70a9073203c7a1f950b0","target":"record","created_at":"2026-07-05T06:54:16Z","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":"f13e0c7cb0f39700d72eb4dc3f1611d351fc229989c4130464bf39221d981f5b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2023-05-26T04:48:58Z","title_canon_sha256":"1942b04b002d1689afca0fdb6ae80b95362b8432e3867faa22c0d9f8c951eeb8"},"schema_version":"1.0","source":{"id":"2305.16629","kind":"arxiv","version":2}},"canonical_sha256":"81cbf6246d407c2611c0a7ab529c61e540e6f29c8c3871e27fcc1e690ddf1931","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81cbf6246d407c2611c0a7ab529c61e540e6f29c8c3871e27fcc1e690ddf1931","first_computed_at":"2026-07-05T06:54:16.742448Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:54:16.742448Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SqvTvWjsbXRFs2GYLejIY49gucofhKFrr8XNhGAFqkVlSqrrYutKxpUP/2vkJS1EPUUzjS5+kMuXuWhQUVvlCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:54:16.743030Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.16629","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2d2048d1e0b93becf30f446dddda48290b6343d2049f70a9073203c7a1f950b0","sha256:50d7c2510147f43f60fda6d5c1d2630f45c32d08e7f5c42bb3d9aaecb38ef766"],"state_sha256":"a348ce2cea4fcd99bf10efd436818ba50b6ba55987c81acbca49ad59b1798817"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dK1v1bVpBbDQp6Lnp2dbTg4oWDHhDeJ4KLjSTNDVEkbZFP04RaH5iM7oqbQwdlazMYmfLbZxVn+xKQ207WbCCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T22:50:17.035608Z","bundle_sha256":"7b8b4d6da8b2cf053573a00b01899215d49f18930c99eb02e54903fc8f37028c"}}