{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:FWX2GHCXXBIPFG52QSHXHU2STG","short_pith_number":"pith:FWX2GHCX","canonical_record":{"source":{"id":"1512.02951","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-12-09T17:19:07Z","cross_cats_sorted":[],"title_canon_sha256":"e4d1df80af858d01562e901cf48b3dc3b44b69e88a2d8ad222eb109b9fd60f96","abstract_canon_sha256":"44ef47000ceb57cf9bbf6e177a217b78aeb67b0cfc7818667b83511a457df632"},"schema_version":"1.0"},"canonical_sha256":"2dafa31c57b850f29bba848f73d352998ed5188eec8fb54a9796730136715ff6","source":{"kind":"arxiv","id":"1512.02951","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.02951","created_at":"2026-05-18T00:50:57Z"},{"alias_kind":"arxiv_version","alias_value":"1512.02951v2","created_at":"2026-05-18T00:50:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.02951","created_at":"2026-05-18T00:50:57Z"},{"alias_kind":"pith_short_12","alias_value":"FWX2GHCXXBIP","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"FWX2GHCXXBIPFG52","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"FWX2GHCX","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:FWX2GHCXXBIPFG52QSHXHU2STG","target":"record","payload":{"canonical_record":{"source":{"id":"1512.02951","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-12-09T17:19:07Z","cross_cats_sorted":[],"title_canon_sha256":"e4d1df80af858d01562e901cf48b3dc3b44b69e88a2d8ad222eb109b9fd60f96","abstract_canon_sha256":"44ef47000ceb57cf9bbf6e177a217b78aeb67b0cfc7818667b83511a457df632"},"schema_version":"1.0"},"canonical_sha256":"2dafa31c57b850f29bba848f73d352998ed5188eec8fb54a9796730136715ff6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:57.565234Z","signature_b64":"71YUmooCo+n0IZJLiH65jHWPPhIwuBNUYPD1qBdMm/v7PnrJzPSrqKA01s4WP3R3TMs9AjfRuICCUrU+4cP9Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2dafa31c57b850f29bba848f73d352998ed5188eec8fb54a9796730136715ff6","last_reissued_at":"2026-05-18T00:50:57.564553Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:57.564553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.02951","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":"2026-05-18T00:50:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+nKwl4l1tP7X2T7QKtIJGBzQ23Q9eXD+66rsYWDL7MYVeL8Q2opeOWnuwKDNFR/q8GynUp59QA2JlPYbfOGKDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:04:01.635018Z"},"content_sha256":"65296b7efd7907e12e30fdf3777398596a55ce29797a1268e9a74bafbb2e5a8f","schema_version":"1.0","event_id":"sha256:65296b7efd7907e12e30fdf3777398596a55ce29797a1268e9a74bafbb2e5a8f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:FWX2GHCXXBIPFG52QSHXHU2STG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Data Protection: Combining Fragmentation, Encryption, and Dispersion, a final report","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Gerard Memmi, Han Qiu, Katarzyna Kapusta, Patrick Lambein","submitted_at":"2015-12-09T17:19:07Z","abstract_excerpt":"Hardening data protection using multiple methods rather than 'just' encryption is of paramount importance when considering continuous and powerful attacks in order to observe, steal, alter, or even destroy private and confidential information.Our purpose is to look at cost effective data protection by way of combining fragmentation, encryption, and dispersion over several physical machines. This involves deriving general schemes to protect data everywhere throughout a network of machines where they are being processed, transmitted, and stored during their entire life cycle. This is being enabl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.02951","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":"2026-05-18T00:50:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s1NjU2K1KHzyQOrF6Qyj3WcpkPzZ2O46E/1GuY+whgB4P4Z+uINejQX3iR6Gh62sArNpDYQrLqcNvd/qQnRaDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:04:01.635707Z"},"content_sha256":"6acea0c7de6f0d2bb75b414a21f6ae67065deaa614296d5e48bd6a25d1b6c755","schema_version":"1.0","event_id":"sha256:6acea0c7de6f0d2bb75b414a21f6ae67065deaa614296d5e48bd6a25d1b6c755"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FWX2GHCXXBIPFG52QSHXHU2STG/bundle.json","state_url":"https://pith.science/pith/FWX2GHCXXBIPFG52QSHXHU2STG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FWX2GHCXXBIPFG52QSHXHU2STG/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":"2026-05-27T08:04:01Z","links":{"resolver":"https://pith.science/pith/FWX2GHCXXBIPFG52QSHXHU2STG","bundle":"https://pith.science/pith/FWX2GHCXXBIPFG52QSHXHU2STG/bundle.json","state":"https://pith.science/pith/FWX2GHCXXBIPFG52QSHXHU2STG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FWX2GHCXXBIPFG52QSHXHU2STG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:FWX2GHCXXBIPFG52QSHXHU2STG","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":"44ef47000ceb57cf9bbf6e177a217b78aeb67b0cfc7818667b83511a457df632","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-12-09T17:19:07Z","title_canon_sha256":"e4d1df80af858d01562e901cf48b3dc3b44b69e88a2d8ad222eb109b9fd60f96"},"schema_version":"1.0","source":{"id":"1512.02951","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.02951","created_at":"2026-05-18T00:50:57Z"},{"alias_kind":"arxiv_version","alias_value":"1512.02951v2","created_at":"2026-05-18T00:50:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.02951","created_at":"2026-05-18T00:50:57Z"},{"alias_kind":"pith_short_12","alias_value":"FWX2GHCXXBIP","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"FWX2GHCXXBIPFG52","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"FWX2GHCX","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:6acea0c7de6f0d2bb75b414a21f6ae67065deaa614296d5e48bd6a25d1b6c755","target":"graph","created_at":"2026-05-18T00:50:57Z","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":"Hardening data protection using multiple methods rather than 'just' encryption is of paramount importance when considering continuous and powerful attacks in order to observe, steal, alter, or even destroy private and confidential information.Our purpose is to look at cost effective data protection by way of combining fragmentation, encryption, and dispersion over several physical machines. This involves deriving general schemes to protect data everywhere throughout a network of machines where they are being processed, transmitted, and stored during their entire life cycle. This is being enabl","authors_text":"Gerard Memmi, Han Qiu, Katarzyna Kapusta, Patrick Lambein","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-12-09T17:19:07Z","title":"Data Protection: Combining Fragmentation, Encryption, and Dispersion, a final report"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.02951","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":"sha256:65296b7efd7907e12e30fdf3777398596a55ce29797a1268e9a74bafbb2e5a8f","target":"record","created_at":"2026-05-18T00:50:57Z","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":"44ef47000ceb57cf9bbf6e177a217b78aeb67b0cfc7818667b83511a457df632","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-12-09T17:19:07Z","title_canon_sha256":"e4d1df80af858d01562e901cf48b3dc3b44b69e88a2d8ad222eb109b9fd60f96"},"schema_version":"1.0","source":{"id":"1512.02951","kind":"arxiv","version":2}},"canonical_sha256":"2dafa31c57b850f29bba848f73d352998ed5188eec8fb54a9796730136715ff6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2dafa31c57b850f29bba848f73d352998ed5188eec8fb54a9796730136715ff6","first_computed_at":"2026-05-18T00:50:57.564553Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:50:57.564553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"71YUmooCo+n0IZJLiH65jHWPPhIwuBNUYPD1qBdMm/v7PnrJzPSrqKA01s4WP3R3TMs9AjfRuICCUrU+4cP9Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:50:57.565234Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.02951","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:65296b7efd7907e12e30fdf3777398596a55ce29797a1268e9a74bafbb2e5a8f","sha256:6acea0c7de6f0d2bb75b414a21f6ae67065deaa614296d5e48bd6a25d1b6c755"],"state_sha256":"7d1cc890d8c402a027677727ee7a6d4ead5079e1c22124a3ccf4154b84799d8c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1SR+RtHutJbY3W90h1yrrgzMDUEpjQgV+9gcjKaiCibZWUoHRRGxpS25XetbPodzktVPf/DM2jpPCal0vVvJCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T08:04:01.638818Z","bundle_sha256":"3492cdf613c28cef6d529dcf01f8ff582fb8a61d3353f43906e9b370441044c9"}}