{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:3WYZI5GITECAFVCSHIVF2AMWN6","short_pith_number":"pith:3WYZI5GI","canonical_record":{"source":{"id":"1710.07083","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-19T11:06:49Z","cross_cats_sorted":[],"title_canon_sha256":"116a54292c5996f7e57fbe4b5c2f698735b018a655f002f0bd4b6f2a2eff526c","abstract_canon_sha256":"40b5d1682eb4d19e605ba20ed3797e504bb7d875e375da53ed1a346f9dfb87b3"},"schema_version":"1.0"},"canonical_sha256":"ddb19474c8990402d4523a2a5d01966f8721352ffc82c2d1f81a10dcf92e5144","source":{"kind":"arxiv","id":"1710.07083","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07083","created_at":"2026-05-18T00:32:27Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07083v1","created_at":"2026-05-18T00:32:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07083","created_at":"2026-05-18T00:32:27Z"},{"alias_kind":"pith_short_12","alias_value":"3WYZI5GITECA","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3WYZI5GITECAFVCS","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3WYZI5GI","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:3WYZI5GITECAFVCSHIVF2AMWN6","target":"record","payload":{"canonical_record":{"source":{"id":"1710.07083","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-19T11:06:49Z","cross_cats_sorted":[],"title_canon_sha256":"116a54292c5996f7e57fbe4b5c2f698735b018a655f002f0bd4b6f2a2eff526c","abstract_canon_sha256":"40b5d1682eb4d19e605ba20ed3797e504bb7d875e375da53ed1a346f9dfb87b3"},"schema_version":"1.0"},"canonical_sha256":"ddb19474c8990402d4523a2a5d01966f8721352ffc82c2d1f81a10dcf92e5144","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:27.046080Z","signature_b64":"8XraBvW8m0RSuyj5/GCtCkkhdyR/895Yl5Cz3tERMTKv3eJKpDHmFF7TzgMFkRxIViVd8KxPYlKaxuM0TssYDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ddb19474c8990402d4523a2a5d01966f8721352ffc82c2d1f81a10dcf92e5144","last_reissued_at":"2026-05-18T00:32:27.045343Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:27.045343Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.07083","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":"2026-05-18T00:32:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"inDRiWQuKoD80HZVicLbUBF3YESt4N+3IyTzNyDxxkNEsG/t0uoyVIehmw0gGC3BkO8v80XoX7e6pLVmGhPfDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T21:41:03.018006Z"},"content_sha256":"9368b8882036c50324e19ec571ecb2e9138abdcc8df795debc119963c1cb3773","schema_version":"1.0","event_id":"sha256:9368b8882036c50324e19ec571ecb2e9138abdcc8df795debc119963c1cb3773"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:3WYZI5GITECAFVCSHIVF2AMWN6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evaluation of Availability of Initial-segments of Video Files in Device-to-Device (D2D) Network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Mohammad Shikh Bahaei, Nasreen Anjum","submitted_at":"2017-10-19T11:06:49Z","abstract_excerpt":"We propose a new caching concept in which wireless nodes in Device-to-Device (D2D) network can cache the initial-segments of the popular video files and may share to users in their proximity upon request. We term this approach as Bootstrapping- D2D (B-D2D) system. Our findings suggest that caching only initial-segments creates a large pool of popular files, thus improving the probability of availability of initial-segments within the vicinity of the requesting users. Our proposed B-D2D system is based on a popular clustering algorithm called density-based spatial clustering of applications wit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07083","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":"2026-05-18T00:32:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xb9heMwrXFEbNGniMK/vM/H4Jlvbef5rixm9oWR54KHYrAGPju1e9BmdiLgHi1ddCIZQLSgGR18ZdQ9thOJYBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T21:41:03.018362Z"},"content_sha256":"74add5e984f9c8e3a1a0d38b3c9e7ebf10917309ea61805acf059a0b4dff60e1","schema_version":"1.0","event_id":"sha256:74add5e984f9c8e3a1a0d38b3c9e7ebf10917309ea61805acf059a0b4dff60e1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3WYZI5GITECAFVCSHIVF2AMWN6/bundle.json","state_url":"https://pith.science/pith/3WYZI5GITECAFVCSHIVF2AMWN6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3WYZI5GITECAFVCSHIVF2AMWN6/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":"2026-07-02T21:41:03Z","links":{"resolver":"https://pith.science/pith/3WYZI5GITECAFVCSHIVF2AMWN6","bundle":"https://pith.science/pith/3WYZI5GITECAFVCSHIVF2AMWN6/bundle.json","state":"https://pith.science/pith/3WYZI5GITECAFVCSHIVF2AMWN6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3WYZI5GITECAFVCSHIVF2AMWN6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3WYZI5GITECAFVCSHIVF2AMWN6","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":"40b5d1682eb4d19e605ba20ed3797e504bb7d875e375da53ed1a346f9dfb87b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-19T11:06:49Z","title_canon_sha256":"116a54292c5996f7e57fbe4b5c2f698735b018a655f002f0bd4b6f2a2eff526c"},"schema_version":"1.0","source":{"id":"1710.07083","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07083","created_at":"2026-05-18T00:32:27Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07083v1","created_at":"2026-05-18T00:32:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07083","created_at":"2026-05-18T00:32:27Z"},{"alias_kind":"pith_short_12","alias_value":"3WYZI5GITECA","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3WYZI5GITECAFVCS","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3WYZI5GI","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:74add5e984f9c8e3a1a0d38b3c9e7ebf10917309ea61805acf059a0b4dff60e1","target":"graph","created_at":"2026-05-18T00:32:27Z","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 propose a new caching concept in which wireless nodes in Device-to-Device (D2D) network can cache the initial-segments of the popular video files and may share to users in their proximity upon request. We term this approach as Bootstrapping- D2D (B-D2D) system. Our findings suggest that caching only initial-segments creates a large pool of popular files, thus improving the probability of availability of initial-segments within the vicinity of the requesting users. Our proposed B-D2D system is based on a popular clustering algorithm called density-based spatial clustering of applications wit","authors_text":"Mohammad Shikh Bahaei, Nasreen Anjum","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-19T11:06:49Z","title":"Evaluation of Availability of Initial-segments of Video Files in Device-to-Device (D2D) Network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07083","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":"sha256:9368b8882036c50324e19ec571ecb2e9138abdcc8df795debc119963c1cb3773","target":"record","created_at":"2026-05-18T00:32:27Z","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":"40b5d1682eb4d19e605ba20ed3797e504bb7d875e375da53ed1a346f9dfb87b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-19T11:06:49Z","title_canon_sha256":"116a54292c5996f7e57fbe4b5c2f698735b018a655f002f0bd4b6f2a2eff526c"},"schema_version":"1.0","source":{"id":"1710.07083","kind":"arxiv","version":1}},"canonical_sha256":"ddb19474c8990402d4523a2a5d01966f8721352ffc82c2d1f81a10dcf92e5144","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ddb19474c8990402d4523a2a5d01966f8721352ffc82c2d1f81a10dcf92e5144","first_computed_at":"2026-05-18T00:32:27.045343Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:27.045343Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8XraBvW8m0RSuyj5/GCtCkkhdyR/895Yl5Cz3tERMTKv3eJKpDHmFF7TzgMFkRxIViVd8KxPYlKaxuM0TssYDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:27.046080Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.07083","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9368b8882036c50324e19ec571ecb2e9138abdcc8df795debc119963c1cb3773","sha256:74add5e984f9c8e3a1a0d38b3c9e7ebf10917309ea61805acf059a0b4dff60e1"],"state_sha256":"1ec86375de6976767f74436facc1a9402d7fde1bb0eca102ff343c0260198d5b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qFXg2oHFSH0FZUik87FNnnhmQfOzGcCoCcNE228Y3Lcd1UsrSqBMhFRJne9dT+n+xcsO5w1osxzXEUVWac6jCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T21:41:03.020290Z","bundle_sha256":"b44e59bade245d8b922fe7e72f38c76244b0d916764c813711ca57b5c72fabc4"}}