{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:YEAZZTO3NTR63L7GXLJVGHCZJM","short_pith_number":"pith:YEAZZTO3","canonical_record":{"source":{"id":"1901.07732","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-01-23T05:41:42Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"96e5db39166c0ca3b3e103c1636cf7e44aa00543a991d0e14a31c3c053a976cc","abstract_canon_sha256":"004f4ecb8ba4bf20c09b0159e61ba7fb709e984c00cb59df7bdefb517b08f144"},"schema_version":"1.0"},"canonical_sha256":"c1019ccddb6ce3edafe6bad3531c594b1f25da8224e45492437b3867df026488","source":{"kind":"arxiv","id":"1901.07732","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.07732","created_at":"2026-05-17T23:55:41Z"},{"alias_kind":"arxiv_version","alias_value":"1901.07732v1","created_at":"2026-05-17T23:55:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.07732","created_at":"2026-05-17T23:55:41Z"},{"alias_kind":"pith_short_12","alias_value":"YEAZZTO3NTR6","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"YEAZZTO3NTR63L7G","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"YEAZZTO3","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:YEAZZTO3NTR63L7GXLJVGHCZJM","target":"record","payload":{"canonical_record":{"source":{"id":"1901.07732","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-01-23T05:41:42Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"96e5db39166c0ca3b3e103c1636cf7e44aa00543a991d0e14a31c3c053a976cc","abstract_canon_sha256":"004f4ecb8ba4bf20c09b0159e61ba7fb709e984c00cb59df7bdefb517b08f144"},"schema_version":"1.0"},"canonical_sha256":"c1019ccddb6ce3edafe6bad3531c594b1f25da8224e45492437b3867df026488","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:41.662477Z","signature_b64":"x58BY0g505Su2ek3ePufPRT+AGk+eIC4DGRi+4KqpYLuozV46Wb1zCn6L/q7Ln+yJL3E25Qvk85xdk90PPTEBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c1019ccddb6ce3edafe6bad3531c594b1f25da8224e45492437b3867df026488","last_reissued_at":"2026-05-17T23:55:41.661681Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:41.661681Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.07732","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":"2026-05-17T23:55:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I9JrYzo9Nw4wn3zNw3xS2r94eMDr7pLDoE5JgRF9xXCZ/iq6UQewm9084SSUHZV4DeW/L6XJXTHtUuoGcSoYAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T23:06:17.983657Z"},"content_sha256":"65b3c27a8f6a8b4b4c36622a8930a9891b280666902d255050d7d98cabce6044","schema_version":"1.0","event_id":"sha256:65b3c27a8f6a8b4b4c36622a8930a9891b280666902d255050d7d98cabce6044"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:YEAZZTO3NTR63L7GXLJVGHCZJM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PINPOINT: Efficient and Effective Resource Isolation for Mobile Security and Privacy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"cs.OS","authors_text":"Ashok Bommisetti, Nian Ji, Paul Ratazzi, Wenliang Du","submitted_at":"2019-01-23T05:41:42Z","abstract_excerpt":"Virtualization is frequently used to isolate untrusted processes and control their access to sensitive resources. However, isolation usually carries a price in terms of less resource sharing and reduced inter-process communication. In an open architecture such as Android, this price and its impact on performance, usability, and transparency must be carefully considered. Although previous efforts in developing general-purpose isolation solutions have shown that some of these negative side effects can be mitigated, doing so involves overcoming significant design challenges by incorporating numer"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.07732","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":""},"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":"2026-05-17T23:55:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kcoab0bG2GnTwtY/wA3NsK297foLXzEot2CCf8hwHJhja+6FAqvMbFBI3dCYeCzgs2hFqFKwxbzuj5CwdNd6CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T23:06:17.984023Z"},"content_sha256":"8fc145c77001592f1a26b67e1c2e4ae055c520ce0dc420d2fa29ad54ec2fcc22","schema_version":"1.0","event_id":"sha256:8fc145c77001592f1a26b67e1c2e4ae055c520ce0dc420d2fa29ad54ec2fcc22"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YEAZZTO3NTR63L7GXLJVGHCZJM/bundle.json","state_url":"https://pith.science/pith/YEAZZTO3NTR63L7GXLJVGHCZJM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YEAZZTO3NTR63L7GXLJVGHCZJM/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":"2026-06-04T23:06:17Z","links":{"resolver":"https://pith.science/pith/YEAZZTO3NTR63L7GXLJVGHCZJM","bundle":"https://pith.science/pith/YEAZZTO3NTR63L7GXLJVGHCZJM/bundle.json","state":"https://pith.science/pith/YEAZZTO3NTR63L7GXLJVGHCZJM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YEAZZTO3NTR63L7GXLJVGHCZJM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:YEAZZTO3NTR63L7GXLJVGHCZJM","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":"004f4ecb8ba4bf20c09b0159e61ba7fb709e984c00cb59df7bdefb517b08f144","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-01-23T05:41:42Z","title_canon_sha256":"96e5db39166c0ca3b3e103c1636cf7e44aa00543a991d0e14a31c3c053a976cc"},"schema_version":"1.0","source":{"id":"1901.07732","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.07732","created_at":"2026-05-17T23:55:41Z"},{"alias_kind":"arxiv_version","alias_value":"1901.07732v1","created_at":"2026-05-17T23:55:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.07732","created_at":"2026-05-17T23:55:41Z"},{"alias_kind":"pith_short_12","alias_value":"YEAZZTO3NTR6","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"YEAZZTO3NTR63L7G","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"YEAZZTO3","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:8fc145c77001592f1a26b67e1c2e4ae055c520ce0dc420d2fa29ad54ec2fcc22","target":"graph","created_at":"2026-05-17T23:55:41Z","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":"Virtualization is frequently used to isolate untrusted processes and control their access to sensitive resources. However, isolation usually carries a price in terms of less resource sharing and reduced inter-process communication. In an open architecture such as Android, this price and its impact on performance, usability, and transparency must be carefully considered. Although previous efforts in developing general-purpose isolation solutions have shown that some of these negative side effects can be mitigated, doing so involves overcoming significant design challenges by incorporating numer","authors_text":"Ashok Bommisetti, Nian Ji, Paul Ratazzi, Wenliang Du","cross_cats":["cs.CR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-01-23T05:41:42Z","title":"PINPOINT: Efficient and Effective Resource Isolation for Mobile Security and Privacy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.07732","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":"sha256:65b3c27a8f6a8b4b4c36622a8930a9891b280666902d255050d7d98cabce6044","target":"record","created_at":"2026-05-17T23:55:41Z","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":"004f4ecb8ba4bf20c09b0159e61ba7fb709e984c00cb59df7bdefb517b08f144","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-01-23T05:41:42Z","title_canon_sha256":"96e5db39166c0ca3b3e103c1636cf7e44aa00543a991d0e14a31c3c053a976cc"},"schema_version":"1.0","source":{"id":"1901.07732","kind":"arxiv","version":1}},"canonical_sha256":"c1019ccddb6ce3edafe6bad3531c594b1f25da8224e45492437b3867df026488","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1019ccddb6ce3edafe6bad3531c594b1f25da8224e45492437b3867df026488","first_computed_at":"2026-05-17T23:55:41.661681Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:41.661681Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x58BY0g505Su2ek3ePufPRT+AGk+eIC4DGRi+4KqpYLuozV46Wb1zCn6L/q7Ln+yJL3E25Qvk85xdk90PPTEBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:41.662477Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.07732","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:65b3c27a8f6a8b4b4c36622a8930a9891b280666902d255050d7d98cabce6044","sha256:8fc145c77001592f1a26b67e1c2e4ae055c520ce0dc420d2fa29ad54ec2fcc22"],"state_sha256":"25a89d5fa6cb9548086302d840ef742a8ab4365aa02cc0964df047a182740727"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RtVR+UxRSlRpdglvvrZRIrrEzy1s/Wx9S45MEOM+EqOlROHTbSHPj8MRg1W1ta4QUW01RnJ7ux63mfxgHOmuDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T23:06:17.988009Z","bundle_sha256":"3246be759329d5b3da505a68a7573fe5ce66b3568ce2022434c367bfc2248382"}}