{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:4NNXZVT47JQOYU6XNMLDWANLCN","short_pith_number":"pith:4NNXZVT4","canonical_record":{"source":{"id":"1807.10051","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2018-07-26T10:19:04Z","cross_cats_sorted":[],"title_canon_sha256":"ea39d530f320811d95ce6d15796370eb45d41c2922f9fdcb5d549a97f5ca1b30","abstract_canon_sha256":"3feee0d3b58bdee70f4679f05aff267f45b17d220ce6d0e88f6e2dea6826c88e"},"schema_version":"1.0"},"canonical_sha256":"e35b7cd67cfa60ec53d76b163b01ab1372c866060678569c654605d5de8156f4","source":{"kind":"arxiv","id":"1807.10051","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.10051","created_at":"2026-05-18T00:09:45Z"},{"alias_kind":"arxiv_version","alias_value":"1807.10051v1","created_at":"2026-05-18T00:09:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10051","created_at":"2026-05-18T00:09:45Z"},{"alias_kind":"pith_short_12","alias_value":"4NNXZVT47JQO","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4NNXZVT47JQOYU6X","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4NNXZVT4","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:4NNXZVT47JQOYU6XNMLDWANLCN","target":"record","payload":{"canonical_record":{"source":{"id":"1807.10051","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2018-07-26T10:19:04Z","cross_cats_sorted":[],"title_canon_sha256":"ea39d530f320811d95ce6d15796370eb45d41c2922f9fdcb5d549a97f5ca1b30","abstract_canon_sha256":"3feee0d3b58bdee70f4679f05aff267f45b17d220ce6d0e88f6e2dea6826c88e"},"schema_version":"1.0"},"canonical_sha256":"e35b7cd67cfa60ec53d76b163b01ab1372c866060678569c654605d5de8156f4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:45.547471Z","signature_b64":"mbZQaLHgCoL+IRhx6trfM7QbrykR9W2lLiYxej+2f1cWjwcy5aXKNrznUlleS1oz3YncoLAAAyXuOB8ewOmmCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e35b7cd67cfa60ec53d76b163b01ab1372c866060678569c654605d5de8156f4","last_reissued_at":"2026-05-18T00:09:45.546776Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:45.546776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.10051","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":"2026-05-18T00:09:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wBRhuOIeoKbLJMDBwpZGaifYNsciPwQE+lKU6TCBYjmdLkJU5Df2AmluH2wsXafiZWxqPvoMz95lPcGc+7jwAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T01:38:45.981366Z"},"content_sha256":"1ab4c01b6a2459af38babb1c004f8ab2d1c08e0721ad423a8b72a01ecc8c42f8","schema_version":"1.0","event_id":"sha256:1ab4c01b6a2459af38babb1c004f8ab2d1c08e0721ad423a8b72a01ecc8c42f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:4NNXZVT47JQOYU6XNMLDWANLCN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PCach: The Case for Pre-Caching your Mobile Data","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Gentian Jakllari, Katia Jaffr\\`es-Runser","submitted_at":"2018-07-26T10:19:04Z","abstract_excerpt":"We present PCach, a smartphone-based approach for relieving the congestion in cellular network resulting from the exponential growth in mobile data traffic. The basic idea underlying PCach is simple: use WiFi to proactively cache content on the smartphone's memory, which otherwise would have been delivered through the cellular network. However, it leads to several challenging questions, including how much mobile data actually flows through cellular networks, how much data can be pre-cached, and when and what to pre-cache. We address these questions progressively using a thorough analysis of us"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10051","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":"2026-05-18T00:09:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mjixwvcckQrc25FEdfgsAyK2EeXKo8Q7Wm6zI5pDlUQzicneLJqd8lJprE4cCs8XyAWJlnQli5Z74vl9vkysBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T01:38:45.982024Z"},"content_sha256":"85bfeb43d1168cbc760f9c1a02392674f1f2972f7ca5256788f31b50ddb6f910","schema_version":"1.0","event_id":"sha256:85bfeb43d1168cbc760f9c1a02392674f1f2972f7ca5256788f31b50ddb6f910"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4NNXZVT47JQOYU6XNMLDWANLCN/bundle.json","state_url":"https://pith.science/pith/4NNXZVT47JQOYU6XNMLDWANLCN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4NNXZVT47JQOYU6XNMLDWANLCN/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":"2026-06-05T01:38:45Z","links":{"resolver":"https://pith.science/pith/4NNXZVT47JQOYU6XNMLDWANLCN","bundle":"https://pith.science/pith/4NNXZVT47JQOYU6XNMLDWANLCN/bundle.json","state":"https://pith.science/pith/4NNXZVT47JQOYU6XNMLDWANLCN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4NNXZVT47JQOYU6XNMLDWANLCN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4NNXZVT47JQOYU6XNMLDWANLCN","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":"3feee0d3b58bdee70f4679f05aff267f45b17d220ce6d0e88f6e2dea6826c88e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2018-07-26T10:19:04Z","title_canon_sha256":"ea39d530f320811d95ce6d15796370eb45d41c2922f9fdcb5d549a97f5ca1b30"},"schema_version":"1.0","source":{"id":"1807.10051","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.10051","created_at":"2026-05-18T00:09:45Z"},{"alias_kind":"arxiv_version","alias_value":"1807.10051v1","created_at":"2026-05-18T00:09:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10051","created_at":"2026-05-18T00:09:45Z"},{"alias_kind":"pith_short_12","alias_value":"4NNXZVT47JQO","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4NNXZVT47JQOYU6X","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4NNXZVT4","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:85bfeb43d1168cbc760f9c1a02392674f1f2972f7ca5256788f31b50ddb6f910","target":"graph","created_at":"2026-05-18T00:09:45Z","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"},"paper":{"abstract_excerpt":"We present PCach, a smartphone-based approach for relieving the congestion in cellular network resulting from the exponential growth in mobile data traffic. The basic idea underlying PCach is simple: use WiFi to proactively cache content on the smartphone's memory, which otherwise would have been delivered through the cellular network. However, it leads to several challenging questions, including how much mobile data actually flows through cellular networks, how much data can be pre-cached, and when and what to pre-cache. We address these questions progressively using a thorough analysis of us","authors_text":"Gentian Jakllari, Katia Jaffr\\`es-Runser","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2018-07-26T10:19:04Z","title":"PCach: The Case for Pre-Caching your Mobile Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10051","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":"sha256:1ab4c01b6a2459af38babb1c004f8ab2d1c08e0721ad423a8b72a01ecc8c42f8","target":"record","created_at":"2026-05-18T00:09:45Z","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":"3feee0d3b58bdee70f4679f05aff267f45b17d220ce6d0e88f6e2dea6826c88e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2018-07-26T10:19:04Z","title_canon_sha256":"ea39d530f320811d95ce6d15796370eb45d41c2922f9fdcb5d549a97f5ca1b30"},"schema_version":"1.0","source":{"id":"1807.10051","kind":"arxiv","version":1}},"canonical_sha256":"e35b7cd67cfa60ec53d76b163b01ab1372c866060678569c654605d5de8156f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e35b7cd67cfa60ec53d76b163b01ab1372c866060678569c654605d5de8156f4","first_computed_at":"2026-05-18T00:09:45.546776Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:45.546776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mbZQaLHgCoL+IRhx6trfM7QbrykR9W2lLiYxej+2f1cWjwcy5aXKNrznUlleS1oz3YncoLAAAyXuOB8ewOmmCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:45.547471Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.10051","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1ab4c01b6a2459af38babb1c004f8ab2d1c08e0721ad423a8b72a01ecc8c42f8","sha256:85bfeb43d1168cbc760f9c1a02392674f1f2972f7ca5256788f31b50ddb6f910"],"state_sha256":"8e42853eb56fe356e5979e2f5bf222ec4474af413c464444cdb7e5dba32689d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b9ECzbcj77pBRSRvm4JtxXhL8JHgzhfg9/9E5iwzRwpHuzSdRJyzbh88ovq25TzfJePYzQxxO6lip0mrGpegBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T01:38:45.985074Z","bundle_sha256":"1f34cff6110513a94143500a9beafb6f8d467e5b014193f59cc88fe49b7c2ad3"}}