{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:S6JNDKJJPFP7YA5HEUMIJYGWEM","short_pith_number":"pith:S6JNDKJJ","canonical_record":{"source":{"id":"1605.09519","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-05-31T08:01:49Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"79b1fc2dbc4760aef8383626bf720d3ed2188b2c77540cc1461256b3e7813e47","abstract_canon_sha256":"41cbef6018217b468003a141be8a4382f137b8138aa0a6ed01a1a7f4d4e9e1d0"},"schema_version":"1.0"},"canonical_sha256":"9792d1a929795ffc03a7251884e0d62339da403e39ca481177ef12134a6dc58a","source":{"kind":"arxiv","id":"1605.09519","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.09519","created_at":"2026-05-18T01:13:09Z"},{"alias_kind":"arxiv_version","alias_value":"1605.09519v2","created_at":"2026-05-18T01:13:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.09519","created_at":"2026-05-18T01:13:09Z"},{"alias_kind":"pith_short_12","alias_value":"S6JNDKJJPFP7","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"S6JNDKJJPFP7YA5H","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"S6JNDKJJ","created_at":"2026-05-18T12:30:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:S6JNDKJJPFP7YA5HEUMIJYGWEM","target":"record","payload":{"canonical_record":{"source":{"id":"1605.09519","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-05-31T08:01:49Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"79b1fc2dbc4760aef8383626bf720d3ed2188b2c77540cc1461256b3e7813e47","abstract_canon_sha256":"41cbef6018217b468003a141be8a4382f137b8138aa0a6ed01a1a7f4d4e9e1d0"},"schema_version":"1.0"},"canonical_sha256":"9792d1a929795ffc03a7251884e0d62339da403e39ca481177ef12134a6dc58a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:13:09.249786Z","signature_b64":"PbmvbHAPawXE02IpmXPEOW1zu+37/B/qhcUvsBitCGeofL7pYsTqtWThk3NZ6Hzg/mQgjRY+VsZzGDnX3pVhAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9792d1a929795ffc03a7251884e0d62339da403e39ca481177ef12134a6dc58a","last_reissued_at":"2026-05-18T01:13:09.249456Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:13:09.249456Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.09519","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":"2026-05-18T01:13:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SdmPCmUs6/ch7LN8vadoi2nyC4WGrXnkgwZ5J0d7utZSvS45QoFafEr4qE7jcOEWjg6MoqWexkcSJb0AHYOKAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:01:52.771539Z"},"content_sha256":"4e20fd7fe2df3a4b1a61b5fe9c72fda3dde912b8e7e16870c96232594d4ee157","schema_version":"1.0","event_id":"sha256:4e20fd7fe2df3a4b1a61b5fe9c72fda3dde912b8e7e16870c96232594d4ee157"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:S6JNDKJJPFP7YA5HEUMIJYGWEM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimal caching placement for wireless femto-caching network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Hojin Song, Jaeyoung Song, Wan Choi","submitted_at":"2016-05-31T08:01:49Z","abstract_excerpt":"This paper investigates optimal caching placement for wireless femto-caching network. The average bit error rate (BER) is formulated as a function of caching placement under wireless fading. To minimize the average BER, we propose a greedy algorithm finding optimal caching placement with low computational complexity. Exploiting the property of the optimal caching placement which we derive, the proposed algorithm can be performed over considerably reduced search space. Contrary to the optimal caching placement without consideration of wireless fading aspects, we reveal that optimal caching plac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.09519","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":"2026-05-18T01:13:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"euw7GpJr1IBSJcZsTHQB4mup4PLpNHE1KftJ2fIUaSiq/DZKOX/CZ7atQ90b2P1qM6ATiuqVUI6qgPiJkrUeDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:01:52.771882Z"},"content_sha256":"64693a6e8af36f580984ab98d2006888d1c005ddff0c016d50cf9c3101d3c1ce","schema_version":"1.0","event_id":"sha256:64693a6e8af36f580984ab98d2006888d1c005ddff0c016d50cf9c3101d3c1ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S6JNDKJJPFP7YA5HEUMIJYGWEM/bundle.json","state_url":"https://pith.science/pith/S6JNDKJJPFP7YA5HEUMIJYGWEM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S6JNDKJJPFP7YA5HEUMIJYGWEM/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":"2026-06-04T03:01:52Z","links":{"resolver":"https://pith.science/pith/S6JNDKJJPFP7YA5HEUMIJYGWEM","bundle":"https://pith.science/pith/S6JNDKJJPFP7YA5HEUMIJYGWEM/bundle.json","state":"https://pith.science/pith/S6JNDKJJPFP7YA5HEUMIJYGWEM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S6JNDKJJPFP7YA5HEUMIJYGWEM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:S6JNDKJJPFP7YA5HEUMIJYGWEM","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":"41cbef6018217b468003a141be8a4382f137b8138aa0a6ed01a1a7f4d4e9e1d0","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-05-31T08:01:49Z","title_canon_sha256":"79b1fc2dbc4760aef8383626bf720d3ed2188b2c77540cc1461256b3e7813e47"},"schema_version":"1.0","source":{"id":"1605.09519","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.09519","created_at":"2026-05-18T01:13:09Z"},{"alias_kind":"arxiv_version","alias_value":"1605.09519v2","created_at":"2026-05-18T01:13:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.09519","created_at":"2026-05-18T01:13:09Z"},{"alias_kind":"pith_short_12","alias_value":"S6JNDKJJPFP7","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"S6JNDKJJPFP7YA5H","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"S6JNDKJJ","created_at":"2026-05-18T12:30:44Z"}],"graph_snapshots":[{"event_id":"sha256:64693a6e8af36f580984ab98d2006888d1c005ddff0c016d50cf9c3101d3c1ce","target":"graph","created_at":"2026-05-18T01:13:09Z","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":"This paper investigates optimal caching placement for wireless femto-caching network. The average bit error rate (BER) is formulated as a function of caching placement under wireless fading. To minimize the average BER, we propose a greedy algorithm finding optimal caching placement with low computational complexity. Exploiting the property of the optimal caching placement which we derive, the proposed algorithm can be performed over considerably reduced search space. Contrary to the optimal caching placement without consideration of wireless fading aspects, we reveal that optimal caching plac","authors_text":"Hojin Song, Jaeyoung Song, Wan Choi","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-05-31T08:01:49Z","title":"Optimal caching placement for wireless femto-caching network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.09519","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":"sha256:4e20fd7fe2df3a4b1a61b5fe9c72fda3dde912b8e7e16870c96232594d4ee157","target":"record","created_at":"2026-05-18T01:13:09Z","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":"41cbef6018217b468003a141be8a4382f137b8138aa0a6ed01a1a7f4d4e9e1d0","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-05-31T08:01:49Z","title_canon_sha256":"79b1fc2dbc4760aef8383626bf720d3ed2188b2c77540cc1461256b3e7813e47"},"schema_version":"1.0","source":{"id":"1605.09519","kind":"arxiv","version":2}},"canonical_sha256":"9792d1a929795ffc03a7251884e0d62339da403e39ca481177ef12134a6dc58a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9792d1a929795ffc03a7251884e0d62339da403e39ca481177ef12134a6dc58a","first_computed_at":"2026-05-18T01:13:09.249456Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:13:09.249456Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PbmvbHAPawXE02IpmXPEOW1zu+37/B/qhcUvsBitCGeofL7pYsTqtWThk3NZ6Hzg/mQgjRY+VsZzGDnX3pVhAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:13:09.249786Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.09519","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e20fd7fe2df3a4b1a61b5fe9c72fda3dde912b8e7e16870c96232594d4ee157","sha256:64693a6e8af36f580984ab98d2006888d1c005ddff0c016d50cf9c3101d3c1ce"],"state_sha256":"db3d64933fbce3752ace10504cec51c5c7169970f1bb513bd4e18c9ac0c3123b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2jaJXLiF+SVvviTD6DqfC+1CP9RchnO6uNFBBNs9xFxjU5WfkwkTVmo0tv0EMIS/iGfPv++9ulCFD/gdEpGbCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T03:01:52.773814Z","bundle_sha256":"7cf2f35b41438affacde74cccae6704afea89887ffc439f93094979b249b8a6b"}}