{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:6NDXN7IDGV6S2IWXI4SJDIT6FH","short_pith_number":"pith:6NDXN7ID","canonical_record":{"source":{"id":"1907.02322","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-07-04T10:47:31Z","cross_cats_sorted":[],"title_canon_sha256":"3f4713d9e7a155b397417b42fd7d22a4959748d6942cbe02971e58adbd17f139","abstract_canon_sha256":"420198deedecc5708b8ece51aa62ca6dfdbe8114ba9e3882e626ebb4e83c678f"},"schema_version":"1.0"},"canonical_sha256":"f34776fd03357d2d22d7472491a27e29d89d5946ecf63f88e1ce34ac417eaa5d","source":{"kind":"arxiv","id":"1907.02322","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.02322","created_at":"2026-05-17T23:41:29Z"},{"alias_kind":"arxiv_version","alias_value":"1907.02322v1","created_at":"2026-05-17T23:41:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.02322","created_at":"2026-05-17T23:41:29Z"},{"alias_kind":"pith_short_12","alias_value":"6NDXN7IDGV6S","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"6NDXN7IDGV6S2IWX","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"6NDXN7ID","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:6NDXN7IDGV6S2IWXI4SJDIT6FH","target":"record","payload":{"canonical_record":{"source":{"id":"1907.02322","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-07-04T10:47:31Z","cross_cats_sorted":[],"title_canon_sha256":"3f4713d9e7a155b397417b42fd7d22a4959748d6942cbe02971e58adbd17f139","abstract_canon_sha256":"420198deedecc5708b8ece51aa62ca6dfdbe8114ba9e3882e626ebb4e83c678f"},"schema_version":"1.0"},"canonical_sha256":"f34776fd03357d2d22d7472491a27e29d89d5946ecf63f88e1ce34ac417eaa5d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:29.004961Z","signature_b64":"mF/+MA7FwIES13c6A9LE8Xvt1Rl5Br+p8RlK0ehQASwOdvPBrZ2t0U0jpqUWndEMgmBFNb8dwYZKOXppwu32BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f34776fd03357d2d22d7472491a27e29d89d5946ecf63f88e1ce34ac417eaa5d","last_reissued_at":"2026-05-17T23:41:29.004206Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:29.004206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.02322","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":"2026-05-17T23:41:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FeX0eZHjX1Fmu8ilMePdPncTCUJvRFiV4rUzgW9tA4EjUg8GIappR1qpnyV9+E64y6zr/iDajA1A2Fupg3+gDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:45:03.904615Z"},"content_sha256":"12cf3f72aee86b522e7d007a13e7bcf38849073d2a6d8dc5013391f3dad3b936","schema_version":"1.0","event_id":"sha256:12cf3f72aee86b522e7d007a13e7bcf38849073d2a6d8dc5013391f3dad3b936"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:6NDXN7IDGV6S2IWXI4SJDIT6FH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Wireless Caching Helper System with Heterogeneous Traffic and Random Availability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Ioannis Avgouleas, Nikolaos Pappas, Vangelis Angelakis","submitted_at":"2019-07-04T10:47:31Z","abstract_excerpt":"Multimedia content streaming from Internet-based sources emerges as one of the most high demanded services by wireless users. In order to alleviate excessive traffic due to multimedia content transmission, many architectures (e.g., small cells, femtocells, etc.) have been proposed to offload such traffic to the nearest (or strongest) access point also called \"helper\". The deployment of more helpers is not necessarily beneficial due to their potential of increasing interference. In this work, we evaluate a wireless system in which we distinguish between cachable and non-cachable traffic. More s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.02322","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":"2026-05-17T23:41:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8T0ZJF4FVsGx69P6TgzYvPfclgup4pJet2WfGR82UV5ENTB5rXSc5KT/h51+fLw2h9zU/W6I/Ov/dJSFkG9DDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:45:03.904995Z"},"content_sha256":"34ef96d3c35c3dbeb96be1d8912bf387e7b48dd4975f6306bda5ec262e792baa","schema_version":"1.0","event_id":"sha256:34ef96d3c35c3dbeb96be1d8912bf387e7b48dd4975f6306bda5ec262e792baa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6NDXN7IDGV6S2IWXI4SJDIT6FH/bundle.json","state_url":"https://pith.science/pith/6NDXN7IDGV6S2IWXI4SJDIT6FH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6NDXN7IDGV6S2IWXI4SJDIT6FH/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":"2026-05-26T19:45:03Z","links":{"resolver":"https://pith.science/pith/6NDXN7IDGV6S2IWXI4SJDIT6FH","bundle":"https://pith.science/pith/6NDXN7IDGV6S2IWXI4SJDIT6FH/bundle.json","state":"https://pith.science/pith/6NDXN7IDGV6S2IWXI4SJDIT6FH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6NDXN7IDGV6S2IWXI4SJDIT6FH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:6NDXN7IDGV6S2IWXI4SJDIT6FH","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":"420198deedecc5708b8ece51aa62ca6dfdbe8114ba9e3882e626ebb4e83c678f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-07-04T10:47:31Z","title_canon_sha256":"3f4713d9e7a155b397417b42fd7d22a4959748d6942cbe02971e58adbd17f139"},"schema_version":"1.0","source":{"id":"1907.02322","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.02322","created_at":"2026-05-17T23:41:29Z"},{"alias_kind":"arxiv_version","alias_value":"1907.02322v1","created_at":"2026-05-17T23:41:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.02322","created_at":"2026-05-17T23:41:29Z"},{"alias_kind":"pith_short_12","alias_value":"6NDXN7IDGV6S","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"6NDXN7IDGV6S2IWX","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"6NDXN7ID","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:34ef96d3c35c3dbeb96be1d8912bf387e7b48dd4975f6306bda5ec262e792baa","target":"graph","created_at":"2026-05-17T23:41:29Z","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":"Multimedia content streaming from Internet-based sources emerges as one of the most high demanded services by wireless users. In order to alleviate excessive traffic due to multimedia content transmission, many architectures (e.g., small cells, femtocells, etc.) have been proposed to offload such traffic to the nearest (or strongest) access point also called \"helper\". The deployment of more helpers is not necessarily beneficial due to their potential of increasing interference. In this work, we evaluate a wireless system in which we distinguish between cachable and non-cachable traffic. More s","authors_text":"Ioannis Avgouleas, Nikolaos Pappas, Vangelis Angelakis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-07-04T10:47:31Z","title":"Wireless Caching Helper System with Heterogeneous Traffic and Random Availability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.02322","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":"sha256:12cf3f72aee86b522e7d007a13e7bcf38849073d2a6d8dc5013391f3dad3b936","target":"record","created_at":"2026-05-17T23:41:29Z","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":"420198deedecc5708b8ece51aa62ca6dfdbe8114ba9e3882e626ebb4e83c678f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-07-04T10:47:31Z","title_canon_sha256":"3f4713d9e7a155b397417b42fd7d22a4959748d6942cbe02971e58adbd17f139"},"schema_version":"1.0","source":{"id":"1907.02322","kind":"arxiv","version":1}},"canonical_sha256":"f34776fd03357d2d22d7472491a27e29d89d5946ecf63f88e1ce34ac417eaa5d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f34776fd03357d2d22d7472491a27e29d89d5946ecf63f88e1ce34ac417eaa5d","first_computed_at":"2026-05-17T23:41:29.004206Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:29.004206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mF/+MA7FwIES13c6A9LE8Xvt1Rl5Br+p8RlK0ehQASwOdvPBrZ2t0U0jpqUWndEMgmBFNb8dwYZKOXppwu32BQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:29.004961Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.02322","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12cf3f72aee86b522e7d007a13e7bcf38849073d2a6d8dc5013391f3dad3b936","sha256:34ef96d3c35c3dbeb96be1d8912bf387e7b48dd4975f6306bda5ec262e792baa"],"state_sha256":"7a868f75807cd331c2c08660c5f58e281629ba3ff600e4e3a0880063f1e923d6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bcOBwLWphaUCcSW/c0FfZqLrtQu64umfu17wBUIKOdkvt2G3kLBT/Cv9y1No7a0ONQQtrf/VZWMC/TKq8PmKCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:45:03.907524Z","bundle_sha256":"2d77c3425159c884c0a0e9a7b8e4c53dda6abf5f47a6fea0ef00c777fe229271"}}