{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:ZU72BH3QPTULUTCUFBTC4MD7HA","short_pith_number":"pith:ZU72BH3Q","canonical_record":{"source":{"id":"1503.00756","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.CR","submitted_at":"2015-03-02T21:32:11Z","cross_cats_sorted":[],"title_canon_sha256":"6da90f4e5a20af06217c2f68be4f022ffb7f52a6569f4c89925d33e67b8aee29","abstract_canon_sha256":"6f639d521c3fa9cec20addc6a0ddb89faf776f2f879c43fd81127742563d4977"},"schema_version":"1.0"},"canonical_sha256":"cd3fa09f707ce8ba4c5428662e307f3824503f63283dc29e36eb5cda0fa73739","source":{"kind":"arxiv","id":"1503.00756","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.00756","created_at":"2026-05-18T02:03:54Z"},{"alias_kind":"arxiv_version","alias_value":"1503.00756v2","created_at":"2026-05-18T02:03:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.00756","created_at":"2026-05-18T02:03:54Z"},{"alias_kind":"pith_short_12","alias_value":"ZU72BH3QPTUL","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZU72BH3QPTULUTCU","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZU72BH3Q","created_at":"2026-05-18T12:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:ZU72BH3QPTULUTCUFBTC4MD7HA","target":"record","payload":{"canonical_record":{"source":{"id":"1503.00756","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.CR","submitted_at":"2015-03-02T21:32:11Z","cross_cats_sorted":[],"title_canon_sha256":"6da90f4e5a20af06217c2f68be4f022ffb7f52a6569f4c89925d33e67b8aee29","abstract_canon_sha256":"6f639d521c3fa9cec20addc6a0ddb89faf776f2f879c43fd81127742563d4977"},"schema_version":"1.0"},"canonical_sha256":"cd3fa09f707ce8ba4c5428662e307f3824503f63283dc29e36eb5cda0fa73739","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:54.812586Z","signature_b64":"YMQSx8Yt2fvacKEVZor9t7SUELcaGFqpKvCNQPN3x+FkyLaU/UhCM5dtVgqU0uk1XnA0uGipfRGjM2iydL8JBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cd3fa09f707ce8ba4c5428662e307f3824503f63283dc29e36eb5cda0fa73739","last_reissued_at":"2026-05-18T02:03:54.811671Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:54.811671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.00756","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":"2026-05-18T02:03:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H+JoRiQGJ0sfXuDBSkS8S7cCKru2jnleyRdNWUoLguwkhltHq3RsExtUJM1M0QEFo7p2rNHQ7rghxqphBytpBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T00:38:27.411745Z"},"content_sha256":"1bb77412e707705c09ae759dd2dc688e24eaadfdb7ed371a117090e8bbd57a43","schema_version":"1.0","event_id":"sha256:1bb77412e707705c09ae759dd2dc688e24eaadfdb7ed371a117090e8bbd57a43"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:ZU72BH3QPTULUTCUFBTC4MD7HA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constructing elastic distinguishability metrics for location privacy","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Catuscia Palamidessi, Konstantinos Chatzikokolakis, Marco Stronati","submitted_at":"2015-03-02T21:32:11Z","abstract_excerpt":"With the increasing popularity of hand-held devices, location-based applications and services have access to accurate and real-time location information, raising serious privacy concerns for their users. The recently introduced notion of geo-indistinguishability tries to address this problem by adapting the well-known concept of differential privacy to the area of location-based systems. Although geo-indistinguishability presents various appealing aspects, it has the problem of treating space in a uniform way, imposing the addition of the same amount of noise everywhere on the map. In this pap"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.00756","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":""},"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":"2026-05-18T02:03:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FT0jIhjt/NKq4li2N4xPgH6NJD9q8GGBeP58Sx6Ose3wl9latf6EbnWikcpedyGnJ8GoO0sWWnsne9kEfnvtAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T00:38:27.412422Z"},"content_sha256":"a2b10e84873db171b5113a6301eaea3285d19e2a693bbcd2eff09fd663b0ae77","schema_version":"1.0","event_id":"sha256:a2b10e84873db171b5113a6301eaea3285d19e2a693bbcd2eff09fd663b0ae77"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZU72BH3QPTULUTCUFBTC4MD7HA/bundle.json","state_url":"https://pith.science/pith/ZU72BH3QPTULUTCUFBTC4MD7HA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZU72BH3QPTULUTCUFBTC4MD7HA/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":"2026-05-22T00:38:27Z","links":{"resolver":"https://pith.science/pith/ZU72BH3QPTULUTCUFBTC4MD7HA","bundle":"https://pith.science/pith/ZU72BH3QPTULUTCUFBTC4MD7HA/bundle.json","state":"https://pith.science/pith/ZU72BH3QPTULUTCUFBTC4MD7HA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZU72BH3QPTULUTCUFBTC4MD7HA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ZU72BH3QPTULUTCUFBTC4MD7HA","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":"6f639d521c3fa9cec20addc6a0ddb89faf776f2f879c43fd81127742563d4977","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.CR","submitted_at":"2015-03-02T21:32:11Z","title_canon_sha256":"6da90f4e5a20af06217c2f68be4f022ffb7f52a6569f4c89925d33e67b8aee29"},"schema_version":"1.0","source":{"id":"1503.00756","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.00756","created_at":"2026-05-18T02:03:54Z"},{"alias_kind":"arxiv_version","alias_value":"1503.00756v2","created_at":"2026-05-18T02:03:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.00756","created_at":"2026-05-18T02:03:54Z"},{"alias_kind":"pith_short_12","alias_value":"ZU72BH3QPTUL","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZU72BH3QPTULUTCU","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZU72BH3Q","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:a2b10e84873db171b5113a6301eaea3285d19e2a693bbcd2eff09fd663b0ae77","target":"graph","created_at":"2026-05-18T02:03:54Z","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":"With the increasing popularity of hand-held devices, location-based applications and services have access to accurate and real-time location information, raising serious privacy concerns for their users. The recently introduced notion of geo-indistinguishability tries to address this problem by adapting the well-known concept of differential privacy to the area of location-based systems. Although geo-indistinguishability presents various appealing aspects, it has the problem of treating space in a uniform way, imposing the addition of the same amount of noise everywhere on the map. In this pap","authors_text":"Catuscia Palamidessi, Konstantinos Chatzikokolakis, Marco Stronati","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.CR","submitted_at":"2015-03-02T21:32:11Z","title":"Constructing elastic distinguishability metrics for location privacy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.00756","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":"sha256:1bb77412e707705c09ae759dd2dc688e24eaadfdb7ed371a117090e8bbd57a43","target":"record","created_at":"2026-05-18T02:03:54Z","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":"6f639d521c3fa9cec20addc6a0ddb89faf776f2f879c43fd81127742563d4977","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.CR","submitted_at":"2015-03-02T21:32:11Z","title_canon_sha256":"6da90f4e5a20af06217c2f68be4f022ffb7f52a6569f4c89925d33e67b8aee29"},"schema_version":"1.0","source":{"id":"1503.00756","kind":"arxiv","version":2}},"canonical_sha256":"cd3fa09f707ce8ba4c5428662e307f3824503f63283dc29e36eb5cda0fa73739","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cd3fa09f707ce8ba4c5428662e307f3824503f63283dc29e36eb5cda0fa73739","first_computed_at":"2026-05-18T02:03:54.811671Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:54.811671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YMQSx8Yt2fvacKEVZor9t7SUELcaGFqpKvCNQPN3x+FkyLaU/UhCM5dtVgqU0uk1XnA0uGipfRGjM2iydL8JBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:54.812586Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.00756","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1bb77412e707705c09ae759dd2dc688e24eaadfdb7ed371a117090e8bbd57a43","sha256:a2b10e84873db171b5113a6301eaea3285d19e2a693bbcd2eff09fd663b0ae77"],"state_sha256":"051527f3d1248a4d99f25972fb89cc3153881930b7c73ed7c8be31a5b6ce8555"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XIL8fAd8PGQ3mYMDIj6zfKmSSQnRuZGNl1yBnazitTVJj+08W4mTPLwzie/I4b9swtV0LB+tubzBV0xj26BiDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T00:38:27.416071Z","bundle_sha256":"b2f5564ac6b0892d8f865ec8241228c38828feae5eb401759e6474d06a03a9ba"}}