{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:VLMYIPNWMZQEGMR6DWS4R2EGAS","short_pith_number":"pith:VLMYIPNW","canonical_record":{"source":{"id":"2012.12927","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CY","submitted_at":"2020-12-23T19:19:14Z","cross_cats_sorted":[],"title_canon_sha256":"9cff93a2955a91b76e737f3cfb4f261e49e6df41cb1ec44e3f85f032ba8a55d1","abstract_canon_sha256":"45852c5007130e3590a4a536fd267ed78f966b5f5fb6a7618814507a896135e9"},"schema_version":"1.0"},"canonical_sha256":"aad9843db6666043323e1da5c8e88604aa0f377ad82b8a2bcaf18a7660e8ba1f","source":{"kind":"arxiv","id":"2012.12927","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.12927","created_at":"2026-07-05T02:01:45Z"},{"alias_kind":"arxiv_version","alias_value":"2012.12927v1","created_at":"2026-07-05T02:01:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.12927","created_at":"2026-07-05T02:01:45Z"},{"alias_kind":"pith_short_12","alias_value":"VLMYIPNWMZQE","created_at":"2026-07-05T02:01:45Z"},{"alias_kind":"pith_short_16","alias_value":"VLMYIPNWMZQEGMR6","created_at":"2026-07-05T02:01:45Z"},{"alias_kind":"pith_short_8","alias_value":"VLMYIPNW","created_at":"2026-07-05T02:01:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:VLMYIPNWMZQEGMR6DWS4R2EGAS","target":"record","payload":{"canonical_record":{"source":{"id":"2012.12927","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CY","submitted_at":"2020-12-23T19:19:14Z","cross_cats_sorted":[],"title_canon_sha256":"9cff93a2955a91b76e737f3cfb4f261e49e6df41cb1ec44e3f85f032ba8a55d1","abstract_canon_sha256":"45852c5007130e3590a4a536fd267ed78f966b5f5fb6a7618814507a896135e9"},"schema_version":"1.0"},"canonical_sha256":"aad9843db6666043323e1da5c8e88604aa0f377ad82b8a2bcaf18a7660e8ba1f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:01:45.933166Z","signature_b64":"EBIfPSGABeXiLVFveAL/pR2dHYAPi9k0zIteF5G0l6gLWNEli59Otbp8zA6a5+U8eYuCjaLOxjOZuDt8XsW3BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aad9843db6666043323e1da5c8e88604aa0f377ad82b8a2bcaf18a7660e8ba1f","last_reissued_at":"2026-07-05T02:01:45.932771Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:01:45.932771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.12927","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":"2026-07-05T02:01:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wvu5rnzildDn5Q+ntp4mKa9Hhf04NZcb4SWlOP5g1l1SM8XltZ4/Fo/NtPIIVx92bQfelaCCtfbiYOjnw2LnCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T19:17:22.609290Z"},"content_sha256":"646958fd9f2a78362133c3ca426cea9df86102ccf9b47b9c4290d475757bf944","schema_version":"1.0","event_id":"sha256:646958fd9f2a78362133c3ca426cea9df86102ccf9b47b9c4290d475757bf944"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:VLMYIPNWMZQEGMR6DWS4R2EGAS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards a common performance and effectiveness terminology for digital proximity tracing applications","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CY","authors_text":"Bart Preneel, Carmela Troncoso, Dan Bogdanov, G\\\"oran Kirchner, Justus Benzler, Marcel Salathe, Raquel Lucas, Rui Oliveira, Viktor von Wyl, Wouter Lueks","submitted_at":"2020-12-23T19:19:14Z","abstract_excerpt":"Digital proximity tracing (DPT) for Sars-CoV-2 pandemic mitigation is a complex intervention with the primary goal to notify app users about possible risk exposures to infected persons. Policymakers and DPT operators need to know whether their system works as expected in terms of speed or yield (performance) and whether DPT is making an effective contribution to pandemic mitigation (also in comparison to and beyond established mitigation measures, particularly manual contact tracing). Thereby, performance and effectiveness are not to be confused. Not only are there conceptual differences but a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.12927","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/2012.12927/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":"2026-07-05T02:01:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CipT1hO1gGf2lCk1pDeCNKdjWU8zjk6IYS7O0XXvY9GM9Vf+jrSnBxI+vop0L13Xfetylgi2pYLVAFWRgTirBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T19:17:22.609818Z"},"content_sha256":"e7e1e1648517360aa28169387790d5a9c1dcdf90387a84ee5d96722da8e6a4eb","schema_version":"1.0","event_id":"sha256:e7e1e1648517360aa28169387790d5a9c1dcdf90387a84ee5d96722da8e6a4eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VLMYIPNWMZQEGMR6DWS4R2EGAS/bundle.json","state_url":"https://pith.science/pith/VLMYIPNWMZQEGMR6DWS4R2EGAS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VLMYIPNWMZQEGMR6DWS4R2EGAS/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":"2026-08-22T19:17:22Z","links":{"resolver":"https://pith.science/pith/VLMYIPNWMZQEGMR6DWS4R2EGAS","bundle":"https://pith.science/pith/VLMYIPNWMZQEGMR6DWS4R2EGAS/bundle.json","state":"https://pith.science/pith/VLMYIPNWMZQEGMR6DWS4R2EGAS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VLMYIPNWMZQEGMR6DWS4R2EGAS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:VLMYIPNWMZQEGMR6DWS4R2EGAS","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":"45852c5007130e3590a4a536fd267ed78f966b5f5fb6a7618814507a896135e9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CY","submitted_at":"2020-12-23T19:19:14Z","title_canon_sha256":"9cff93a2955a91b76e737f3cfb4f261e49e6df41cb1ec44e3f85f032ba8a55d1"},"schema_version":"1.0","source":{"id":"2012.12927","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.12927","created_at":"2026-07-05T02:01:45Z"},{"alias_kind":"arxiv_version","alias_value":"2012.12927v1","created_at":"2026-07-05T02:01:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.12927","created_at":"2026-07-05T02:01:45Z"},{"alias_kind":"pith_short_12","alias_value":"VLMYIPNWMZQE","created_at":"2026-07-05T02:01:45Z"},{"alias_kind":"pith_short_16","alias_value":"VLMYIPNWMZQEGMR6","created_at":"2026-07-05T02:01:45Z"},{"alias_kind":"pith_short_8","alias_value":"VLMYIPNW","created_at":"2026-07-05T02:01:45Z"}],"graph_snapshots":[{"event_id":"sha256:e7e1e1648517360aa28169387790d5a9c1dcdf90387a84ee5d96722da8e6a4eb","target":"graph","created_at":"2026-07-05T02:01:45Z","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/2012.12927/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Digital proximity tracing (DPT) for Sars-CoV-2 pandemic mitigation is a complex intervention with the primary goal to notify app users about possible risk exposures to infected persons. Policymakers and DPT operators need to know whether their system works as expected in terms of speed or yield (performance) and whether DPT is making an effective contribution to pandemic mitigation (also in comparison to and beyond established mitigation measures, particularly manual contact tracing). Thereby, performance and effectiveness are not to be confused. Not only are there conceptual differences but a","authors_text":"Bart Preneel, Carmela Troncoso, Dan Bogdanov, G\\\"oran Kirchner, Justus Benzler, Marcel Salathe, Raquel Lucas, Rui Oliveira, Viktor von Wyl, Wouter Lueks","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CY","submitted_at":"2020-12-23T19:19:14Z","title":"Towards a common performance and effectiveness terminology for digital proximity tracing applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.12927","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":"sha256:646958fd9f2a78362133c3ca426cea9df86102ccf9b47b9c4290d475757bf944","target":"record","created_at":"2026-07-05T02:01:45Z","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":"45852c5007130e3590a4a536fd267ed78f966b5f5fb6a7618814507a896135e9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CY","submitted_at":"2020-12-23T19:19:14Z","title_canon_sha256":"9cff93a2955a91b76e737f3cfb4f261e49e6df41cb1ec44e3f85f032ba8a55d1"},"schema_version":"1.0","source":{"id":"2012.12927","kind":"arxiv","version":1}},"canonical_sha256":"aad9843db6666043323e1da5c8e88604aa0f377ad82b8a2bcaf18a7660e8ba1f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aad9843db6666043323e1da5c8e88604aa0f377ad82b8a2bcaf18a7660e8ba1f","first_computed_at":"2026-07-05T02:01:45.932771Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:01:45.932771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EBIfPSGABeXiLVFveAL/pR2dHYAPi9k0zIteF5G0l6gLWNEli59Otbp8zA6a5+U8eYuCjaLOxjOZuDt8XsW3BA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:01:45.933166Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.12927","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:646958fd9f2a78362133c3ca426cea9df86102ccf9b47b9c4290d475757bf944","sha256:e7e1e1648517360aa28169387790d5a9c1dcdf90387a84ee5d96722da8e6a4eb"],"state_sha256":"351f52f1617605da308a9a928ea2a5b217b883299840f4a51b7c7f9d804afa7d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pldWTCQVm+PaWwDeKDsl+gtSLJeZkGmSODFzOOCFf35hD7veoRq8y2Dz+cCM+j0+0JlQFf+z/9/Hov0lR5wZCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T19:17:22.614614Z","bundle_sha256":"6a03d7dc336aee662d0b86b9ebc2c9e3b1165aec5e8b1141df003a252808cd26"}}