{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:765KVHDLK4EELZZJYOEZWNWZXM","short_pith_number":"pith:765KVHDL","canonical_record":{"source":{"id":"2311.09548","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2023-11-16T04:00:56Z","cross_cats_sorted":["cs.DS"],"title_canon_sha256":"79d980037ed1de7b56700d86e8b341a7a3d0fc1dc84432b761094b1d2ed0b05d","abstract_canon_sha256":"c1419208c4d9bfe8f345abfd7812c4594906d88c9d93de8a268e8544b8010fe0"},"schema_version":"1.0"},"canonical_sha256":"ffbaaa9c6b570845e729c3899b36d9bb1c3ea92507f5a4a5a7c96922eb11bc1a","source":{"kind":"arxiv","id":"2311.09548","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.09548","created_at":"2026-07-05T08:20:08Z"},{"alias_kind":"arxiv_version","alias_value":"2311.09548v2","created_at":"2026-07-05T08:20:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.09548","created_at":"2026-07-05T08:20:08Z"},{"alias_kind":"pith_short_12","alias_value":"765KVHDLK4EE","created_at":"2026-07-05T08:20:08Z"},{"alias_kind":"pith_short_16","alias_value":"765KVHDLK4EELZZJ","created_at":"2026-07-05T08:20:08Z"},{"alias_kind":"pith_short_8","alias_value":"765KVHDL","created_at":"2026-07-05T08:20:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:765KVHDLK4EELZZJYOEZWNWZXM","target":"record","payload":{"canonical_record":{"source":{"id":"2311.09548","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2023-11-16T04:00:56Z","cross_cats_sorted":["cs.DS"],"title_canon_sha256":"79d980037ed1de7b56700d86e8b341a7a3d0fc1dc84432b761094b1d2ed0b05d","abstract_canon_sha256":"c1419208c4d9bfe8f345abfd7812c4594906d88c9d93de8a268e8544b8010fe0"},"schema_version":"1.0"},"canonical_sha256":"ffbaaa9c6b570845e729c3899b36d9bb1c3ea92507f5a4a5a7c96922eb11bc1a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:20:08.679192Z","signature_b64":"qVlxgfQ6mQwNeifQLVFHw5PQ9Ynq66IigLfAMVhGO101yY9dkyMyqvFszfaruNZyCbopPFz4Ya7Nmbf4UNrlCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ffbaaa9c6b570845e729c3899b36d9bb1c3ea92507f5a4a5a7c96922eb11bc1a","last_reissued_at":"2026-07-05T08:20:08.678697Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:20:08.678697Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2311.09548","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":"2026-07-05T08:20:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"omzIeSdRr6whtzjd7H0RzeeR7qI5nOjtqQRWcYMeWSDEM2MmgdlkxsPeat8+qU7CWatojD1G7WwMwaslLD4BBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T21:40:42.243148Z"},"content_sha256":"4c5433884fc12a4044beafdb81e5cfcd58d7a3f6b302009b5abf4b8060e15371","schema_version":"1.0","event_id":"sha256:4c5433884fc12a4044beafdb81e5cfcd58d7a3f6b302009b5abf4b8060e15371"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:765KVHDLK4EELZZJYOEZWNWZXM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Universally Optimal Information Dissemination and Shortest Paths in the HYBRID Distributed Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DS"],"primary_cat":"cs.DC","authors_text":"Dean Leitersdorf, Oren Hecht, Philipp Schneider, Yi-Jun Chang","submitted_at":"2023-11-16T04:00:56Z","abstract_excerpt":"In this work we consider the HYBRID model of distributed computing, introduced recently by Augustine, Hinnenthal, Kuhn, Scheideler, and Schneider (SODA 2020), where nodes have access to two different communication modes: high-bandwidth local communication along the edges of the graph and low-bandwidth all-to-all communication, capturing the non-uniform nature of modern communication networks.\n  Prior work in HYBRID has focused on showing existentially optimal algorithms, meaning there exists a pathological family of instances on which no algorithm can do better. This neglects the fact that suc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.09548","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2311.09548/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:20:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kUZGqoGWMzklSXtAcRt93Ykfi6IsmljI09Ml/fBxf+f92WT1OLJfHFWFi9zUsGmxsS3ZulKsz8FMrpdPJdePDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T21:40:42.244028Z"},"content_sha256":"1c6c5a1a4daab563571d492125f14d75cb112f89c45a944efcf2f2d169503172","schema_version":"1.0","event_id":"sha256:1c6c5a1a4daab563571d492125f14d75cb112f89c45a944efcf2f2d169503172"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/765KVHDLK4EELZZJYOEZWNWZXM/bundle.json","state_url":"https://pith.science/pith/765KVHDLK4EELZZJYOEZWNWZXM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/765KVHDLK4EELZZJYOEZWNWZXM/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":"2026-08-15T21:40:42Z","links":{"resolver":"https://pith.science/pith/765KVHDLK4EELZZJYOEZWNWZXM","bundle":"https://pith.science/pith/765KVHDLK4EELZZJYOEZWNWZXM/bundle.json","state":"https://pith.science/pith/765KVHDLK4EELZZJYOEZWNWZXM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/765KVHDLK4EELZZJYOEZWNWZXM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:765KVHDLK4EELZZJYOEZWNWZXM","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":"c1419208c4d9bfe8f345abfd7812c4594906d88c9d93de8a268e8544b8010fe0","cross_cats_sorted":["cs.DS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2023-11-16T04:00:56Z","title_canon_sha256":"79d980037ed1de7b56700d86e8b341a7a3d0fc1dc84432b761094b1d2ed0b05d"},"schema_version":"1.0","source":{"id":"2311.09548","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.09548","created_at":"2026-07-05T08:20:08Z"},{"alias_kind":"arxiv_version","alias_value":"2311.09548v2","created_at":"2026-07-05T08:20:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.09548","created_at":"2026-07-05T08:20:08Z"},{"alias_kind":"pith_short_12","alias_value":"765KVHDLK4EE","created_at":"2026-07-05T08:20:08Z"},{"alias_kind":"pith_short_16","alias_value":"765KVHDLK4EELZZJ","created_at":"2026-07-05T08:20:08Z"},{"alias_kind":"pith_short_8","alias_value":"765KVHDL","created_at":"2026-07-05T08:20:08Z"}],"graph_snapshots":[{"event_id":"sha256:1c6c5a1a4daab563571d492125f14d75cb112f89c45a944efcf2f2d169503172","target":"graph","created_at":"2026-07-05T08:20:08Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2311.09548/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this work we consider the HYBRID model of distributed computing, introduced recently by Augustine, Hinnenthal, Kuhn, Scheideler, and Schneider (SODA 2020), where nodes have access to two different communication modes: high-bandwidth local communication along the edges of the graph and low-bandwidth all-to-all communication, capturing the non-uniform nature of modern communication networks.\n  Prior work in HYBRID has focused on showing existentially optimal algorithms, meaning there exists a pathological family of instances on which no algorithm can do better. This neglects the fact that suc","authors_text":"Dean Leitersdorf, Oren Hecht, Philipp Schneider, Yi-Jun Chang","cross_cats":["cs.DS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2023-11-16T04:00:56Z","title":"Universally Optimal Information Dissemination and Shortest Paths in the HYBRID Distributed Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.09548","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":"sha256:4c5433884fc12a4044beafdb81e5cfcd58d7a3f6b302009b5abf4b8060e15371","target":"record","created_at":"2026-07-05T08:20:08Z","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":"c1419208c4d9bfe8f345abfd7812c4594906d88c9d93de8a268e8544b8010fe0","cross_cats_sorted":["cs.DS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2023-11-16T04:00:56Z","title_canon_sha256":"79d980037ed1de7b56700d86e8b341a7a3d0fc1dc84432b761094b1d2ed0b05d"},"schema_version":"1.0","source":{"id":"2311.09548","kind":"arxiv","version":2}},"canonical_sha256":"ffbaaa9c6b570845e729c3899b36d9bb1c3ea92507f5a4a5a7c96922eb11bc1a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ffbaaa9c6b570845e729c3899b36d9bb1c3ea92507f5a4a5a7c96922eb11bc1a","first_computed_at":"2026-07-05T08:20:08.678697Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:20:08.678697Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qVlxgfQ6mQwNeifQLVFHw5PQ9Ynq66IigLfAMVhGO101yY9dkyMyqvFszfaruNZyCbopPFz4Ya7Nmbf4UNrlCg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:20:08.679192Z","signed_message":"canonical_sha256_bytes"},"source_id":"2311.09548","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c5433884fc12a4044beafdb81e5cfcd58d7a3f6b302009b5abf4b8060e15371","sha256:1c6c5a1a4daab563571d492125f14d75cb112f89c45a944efcf2f2d169503172"],"state_sha256":"9934fea7965ca9e08d2896e87c726ca5e38887fc185e984797aef155eaa193bf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"piCWZfoNXWLuzz7CC2Mk1GXk9C1ZGE52Hf9Mpheq2f19Y47BljfR/BYOOS9muvKc3JWcnQ908bduzff60X0jBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T21:40:42.250166Z","bundle_sha256":"5ae459aec6bafffeda00a577b7a6e8220215b724073b73db69a9fde5eae84cab"}}