{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:YZENCGHGZDXCRGU4EEPET4KRJQ","short_pith_number":"pith:YZENCGHG","canonical_record":{"source":{"id":"1311.0800","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2013-11-04T18:19:25Z","cross_cats_sorted":[],"title_canon_sha256":"4d71d8b834b2793e5b4f40043fedfe06cdf5f10b246ae90c34be989e3da79e7e","abstract_canon_sha256":"755f2dfd99169b7a4be1bafb5ff5c7fc6960676cb9df07b7f362151b6fb9c1e9"},"schema_version":"1.0"},"canonical_sha256":"c648d118e6c8ee289a9c211e49f1514c14c1f89c2916dcb134ab3d95b875f98f","source":{"kind":"arxiv","id":"1311.0800","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.0800","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"arxiv_version","alias_value":"1311.0800v1","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.0800","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"pith_short_12","alias_value":"YZENCGHGZDXC","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"YZENCGHGZDXCRGU4","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"YZENCGHG","created_at":"2026-05-18T12:28:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:YZENCGHGZDXCRGU4EEPET4KRJQ","target":"record","payload":{"canonical_record":{"source":{"id":"1311.0800","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2013-11-04T18:19:25Z","cross_cats_sorted":[],"title_canon_sha256":"4d71d8b834b2793e5b4f40043fedfe06cdf5f10b246ae90c34be989e3da79e7e","abstract_canon_sha256":"755f2dfd99169b7a4be1bafb5ff5c7fc6960676cb9df07b7f362151b6fb9c1e9"},"schema_version":"1.0"},"canonical_sha256":"c648d118e6c8ee289a9c211e49f1514c14c1f89c2916dcb134ab3d95b875f98f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:08:04.794130Z","signature_b64":"sCkIsM7jfkY6X8rpwX02875heB+/eLR/JZXf+1urj2F4JmKPy8RNoslMvQqekARt+Xa3OfxL5VG8+/xBbLMEDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c648d118e6c8ee289a9c211e49f1514c14c1f89c2916dcb134ab3d95b875f98f","last_reissued_at":"2026-05-18T03:08:04.793576Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:08:04.793576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.0800","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":"2026-05-18T03:08:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sybIhIhzyLT8pP7IuOgRwBC24gx1cH2kTwV0UY0IOrcreAbLyUkUxcWOleqvxbrcpg5BZsHbQnmeHuQCUfoiCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:01:54.406463Z"},"content_sha256":"d8f6ecafeccf34bf6c0a71b7c91146381a1b653eec9f07c4d8bd43dca6449ff5","schema_version":"1.0","event_id":"sha256:d8f6ecafeccf34bf6c0a71b7c91146381a1b653eec9f07c4d8bd43dca6449ff5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:YZENCGHGZDXCRGU4EEPET4KRJQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distributed Exploration in Multi-Armed Bandits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"Eshcar Hillel, Oren Somekh, Ronny Lempel, Tomer Koren, Zohar Karnin","submitted_at":"2013-11-04T18:19:25Z","abstract_excerpt":"We study exploration in Multi-Armed Bandits in a setting where $k$ players collaborate in order to identify an $\\epsilon$-optimal arm. Our motivation comes from recent employment of bandit algorithms in computationally intensive, large-scale applications. Our results demonstrate a non-trivial tradeoff between the number of arm pulls required by each of the players, and the amount of communication between them. In particular, our main result shows that by allowing the $k$ players to communicate only once, they are able to learn $\\sqrt{k}$ times faster than a single player. That is, distributing"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.0800","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":"2026-05-18T03:08:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HTPXVty1EAsQ82zHkCUXvP3iyNV6rqmzr+Gzr4/o/JmKHEo3x1/p3Qtu5lAuvwvBDw1K+aVL4MdK0Oe98uiaDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:01:54.407036Z"},"content_sha256":"d875d42f5936b187849e6a696369ba700466cbbd86c8e88055a21f44c08a10ee","schema_version":"1.0","event_id":"sha256:d875d42f5936b187849e6a696369ba700466cbbd86c8e88055a21f44c08a10ee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YZENCGHGZDXCRGU4EEPET4KRJQ/bundle.json","state_url":"https://pith.science/pith/YZENCGHGZDXCRGU4EEPET4KRJQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YZENCGHGZDXCRGU4EEPET4KRJQ/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":"2026-05-27T23:01:54Z","links":{"resolver":"https://pith.science/pith/YZENCGHGZDXCRGU4EEPET4KRJQ","bundle":"https://pith.science/pith/YZENCGHGZDXCRGU4EEPET4KRJQ/bundle.json","state":"https://pith.science/pith/YZENCGHGZDXCRGU4EEPET4KRJQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YZENCGHGZDXCRGU4EEPET4KRJQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:YZENCGHGZDXCRGU4EEPET4KRJQ","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":"755f2dfd99169b7a4be1bafb5ff5c7fc6960676cb9df07b7f362151b6fb9c1e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2013-11-04T18:19:25Z","title_canon_sha256":"4d71d8b834b2793e5b4f40043fedfe06cdf5f10b246ae90c34be989e3da79e7e"},"schema_version":"1.0","source":{"id":"1311.0800","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.0800","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"arxiv_version","alias_value":"1311.0800v1","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.0800","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"pith_short_12","alias_value":"YZENCGHGZDXC","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"YZENCGHGZDXCRGU4","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"YZENCGHG","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:d875d42f5936b187849e6a696369ba700466cbbd86c8e88055a21f44c08a10ee","target":"graph","created_at":"2026-05-18T03:08:04Z","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 study exploration in Multi-Armed Bandits in a setting where $k$ players collaborate in order to identify an $\\epsilon$-optimal arm. Our motivation comes from recent employment of bandit algorithms in computationally intensive, large-scale applications. Our results demonstrate a non-trivial tradeoff between the number of arm pulls required by each of the players, and the amount of communication between them. In particular, our main result shows that by allowing the $k$ players to communicate only once, they are able to learn $\\sqrt{k}$ times faster than a single player. That is, distributing","authors_text":"Eshcar Hillel, Oren Somekh, Ronny Lempel, Tomer Koren, Zohar Karnin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2013-11-04T18:19:25Z","title":"Distributed Exploration in Multi-Armed Bandits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.0800","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:d8f6ecafeccf34bf6c0a71b7c91146381a1b653eec9f07c4d8bd43dca6449ff5","target":"record","created_at":"2026-05-18T03:08:04Z","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":"755f2dfd99169b7a4be1bafb5ff5c7fc6960676cb9df07b7f362151b6fb9c1e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2013-11-04T18:19:25Z","title_canon_sha256":"4d71d8b834b2793e5b4f40043fedfe06cdf5f10b246ae90c34be989e3da79e7e"},"schema_version":"1.0","source":{"id":"1311.0800","kind":"arxiv","version":1}},"canonical_sha256":"c648d118e6c8ee289a9c211e49f1514c14c1f89c2916dcb134ab3d95b875f98f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c648d118e6c8ee289a9c211e49f1514c14c1f89c2916dcb134ab3d95b875f98f","first_computed_at":"2026-05-18T03:08:04.793576Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:08:04.793576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sCkIsM7jfkY6X8rpwX02875heB+/eLR/JZXf+1urj2F4JmKPy8RNoslMvQqekARt+Xa3OfxL5VG8+/xBbLMEDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:08:04.794130Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.0800","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d8f6ecafeccf34bf6c0a71b7c91146381a1b653eec9f07c4d8bd43dca6449ff5","sha256:d875d42f5936b187849e6a696369ba700466cbbd86c8e88055a21f44c08a10ee"],"state_sha256":"74a34ac8ce322af94af6a34b764796de7efa40d4cb1a5d398c130d9aa66dc89c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FVstKSBMvixyva83+jSY80shDIRwnMthc4qGCJjaJvKmHFbCq9QouwJLvS3/T7g2aii6YffgX6uHqpQn2EOjBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T23:01:54.410790Z","bundle_sha256":"748b68f05d89007ef2e357748d1b0a20604cea751d5e409aff6b4339742bfffe"}}