{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:GSEZMGVRVKLQ3UENAZOJR4QHGD","short_pith_number":"pith:GSEZMGVR","canonical_record":{"source":{"id":"1902.08979","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2019-02-24T16:59:37Z","cross_cats_sorted":[],"title_canon_sha256":"b9c21cb7d81550c916c7b573d66144705a89f7d54693f0c82e27ef972aa0d197","abstract_canon_sha256":"7cf9f7eb5ee71480c8397bac6aa7269365b7a9798178946dd10461af9ff586cf"},"schema_version":"1.0"},"canonical_sha256":"3489961ab1aa970dd08d065c98f20730e1df52f9b0be85ec36e1ee4d816bf7b8","source":{"kind":"arxiv","id":"1902.08979","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.08979","created_at":"2026-07-05T00:33:11Z"},{"alias_kind":"arxiv_version","alias_value":"1902.08979v2","created_at":"2026-07-05T00:33:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.08979","created_at":"2026-07-05T00:33:11Z"},{"alias_kind":"pith_short_12","alias_value":"GSEZMGVRVKLQ","created_at":"2026-07-05T00:33:11Z"},{"alias_kind":"pith_short_16","alias_value":"GSEZMGVRVKLQ3UEN","created_at":"2026-07-05T00:33:11Z"},{"alias_kind":"pith_short_8","alias_value":"GSEZMGVR","created_at":"2026-07-05T00:33:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:GSEZMGVRVKLQ3UENAZOJR4QHGD","target":"record","payload":{"canonical_record":{"source":{"id":"1902.08979","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2019-02-24T16:59:37Z","cross_cats_sorted":[],"title_canon_sha256":"b9c21cb7d81550c916c7b573d66144705a89f7d54693f0c82e27ef972aa0d197","abstract_canon_sha256":"7cf9f7eb5ee71480c8397bac6aa7269365b7a9798178946dd10461af9ff586cf"},"schema_version":"1.0"},"canonical_sha256":"3489961ab1aa970dd08d065c98f20730e1df52f9b0be85ec36e1ee4d816bf7b8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:33:11.027280Z","signature_b64":"p5I3t3Bn2JVnWlRTUjmWr/6vFzxHuMGUtKzrfMaM+9UO9lXkchbJ/sfKj6T8VQAQP4ww/bSgnpgeibjosWi/Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3489961ab1aa970dd08d065c98f20730e1df52f9b0be85ec36e1ee4d816bf7b8","last_reissued_at":"2026-07-05T00:33:11.026816Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:33:11.026816Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.08979","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":"2026-07-05T00:33:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GgYeW5tINOmtGrpNta2wppnhlHlaKq/BQuJqVRSlb1X+BHQs17mZ6OYd3rH0cfr0St3qECQvwIzp+RFobx4wAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:34:28.236064Z"},"content_sha256":"e975717eea36e429fa7607458af1b01a3f22f8722213c285800353b462e13b85","schema_version":"1.0","event_id":"sha256:e975717eea36e429fa7607458af1b01a3f22f8722213c285800353b462e13b85"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:GSEZMGVRVKLQ3UENAZOJR4QHGD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Latency, Capacity, and Distributed MST","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Fabian Kuhn, John Augustine, Peter Robinson, Seth Gilbert, Suman Sourav","submitted_at":"2019-02-24T16:59:37Z","abstract_excerpt":"We study the cost of distributed MST construction in the setting where each edge has a latency and a capacity, along with the weight. Edge latencies capture the delay on the links of the communication network, while capacity captures their throughput (in this case, the rate at which messages can be sent). Depending on how the edge latencies relate to the edge weights, we provide several tight bounds on the time and messages required to construct an MST.\n  When edge weights exactly correspond with the latencies, we show that, perhaps interestingly, the bottleneck parameter in determining the ru"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.08979","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/1902.08979/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":"2026-07-05T00:33:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ge6kxQU5Pw5nuayUyeidp1dcfOQlYFTez4nUT8feRf5Z7ZengZcP7Ceoo4Jn5eGK7krjVuXR/OhKRN0osicmCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:34:28.236489Z"},"content_sha256":"8583df52b7a30c4bc4b9b7e217a1048ad4575dedd8ec148d785e072336da09ca","schema_version":"1.0","event_id":"sha256:8583df52b7a30c4bc4b9b7e217a1048ad4575dedd8ec148d785e072336da09ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GSEZMGVRVKLQ3UENAZOJR4QHGD/bundle.json","state_url":"https://pith.science/pith/GSEZMGVRVKLQ3UENAZOJR4QHGD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GSEZMGVRVKLQ3UENAZOJR4QHGD/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":"2026-07-07T11:34:28Z","links":{"resolver":"https://pith.science/pith/GSEZMGVRVKLQ3UENAZOJR4QHGD","bundle":"https://pith.science/pith/GSEZMGVRVKLQ3UENAZOJR4QHGD/bundle.json","state":"https://pith.science/pith/GSEZMGVRVKLQ3UENAZOJR4QHGD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GSEZMGVRVKLQ3UENAZOJR4QHGD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:GSEZMGVRVKLQ3UENAZOJR4QHGD","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":"7cf9f7eb5ee71480c8397bac6aa7269365b7a9798178946dd10461af9ff586cf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2019-02-24T16:59:37Z","title_canon_sha256":"b9c21cb7d81550c916c7b573d66144705a89f7d54693f0c82e27ef972aa0d197"},"schema_version":"1.0","source":{"id":"1902.08979","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.08979","created_at":"2026-07-05T00:33:11Z"},{"alias_kind":"arxiv_version","alias_value":"1902.08979v2","created_at":"2026-07-05T00:33:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.08979","created_at":"2026-07-05T00:33:11Z"},{"alias_kind":"pith_short_12","alias_value":"GSEZMGVRVKLQ","created_at":"2026-07-05T00:33:11Z"},{"alias_kind":"pith_short_16","alias_value":"GSEZMGVRVKLQ3UEN","created_at":"2026-07-05T00:33:11Z"},{"alias_kind":"pith_short_8","alias_value":"GSEZMGVR","created_at":"2026-07-05T00:33:11Z"}],"graph_snapshots":[{"event_id":"sha256:8583df52b7a30c4bc4b9b7e217a1048ad4575dedd8ec148d785e072336da09ca","target":"graph","created_at":"2026-07-05T00:33:11Z","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/1902.08979/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the cost of distributed MST construction in the setting where each edge has a latency and a capacity, along with the weight. Edge latencies capture the delay on the links of the communication network, while capacity captures their throughput (in this case, the rate at which messages can be sent). Depending on how the edge latencies relate to the edge weights, we provide several tight bounds on the time and messages required to construct an MST.\n  When edge weights exactly correspond with the latencies, we show that, perhaps interestingly, the bottleneck parameter in determining the ru","authors_text":"Fabian Kuhn, John Augustine, Peter Robinson, Seth Gilbert, Suman Sourav","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2019-02-24T16:59:37Z","title":"Latency, Capacity, and Distributed MST"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.08979","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:e975717eea36e429fa7607458af1b01a3f22f8722213c285800353b462e13b85","target":"record","created_at":"2026-07-05T00:33:11Z","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":"7cf9f7eb5ee71480c8397bac6aa7269365b7a9798178946dd10461af9ff586cf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2019-02-24T16:59:37Z","title_canon_sha256":"b9c21cb7d81550c916c7b573d66144705a89f7d54693f0c82e27ef972aa0d197"},"schema_version":"1.0","source":{"id":"1902.08979","kind":"arxiv","version":2}},"canonical_sha256":"3489961ab1aa970dd08d065c98f20730e1df52f9b0be85ec36e1ee4d816bf7b8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3489961ab1aa970dd08d065c98f20730e1df52f9b0be85ec36e1ee4d816bf7b8","first_computed_at":"2026-07-05T00:33:11.026816Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:33:11.026816Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"p5I3t3Bn2JVnWlRTUjmWr/6vFzxHuMGUtKzrfMaM+9UO9lXkchbJ/sfKj6T8VQAQP4ww/bSgnpgeibjosWi/Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T00:33:11.027280Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.08979","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e975717eea36e429fa7607458af1b01a3f22f8722213c285800353b462e13b85","sha256:8583df52b7a30c4bc4b9b7e217a1048ad4575dedd8ec148d785e072336da09ca"],"state_sha256":"81e4c9ea147cd716e82d51eb2f44fe7b9008b058820f05f5f4afaec3745d3d3b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z1Io1OXRulqN8Bs0g26GbB49YnaI2K0mvFs9U9XZ3d5EPrUFiYo0w8+fJMwpHEol2nbBoHI8n7H6Meeo+3QxBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T11:34:28.238531Z","bundle_sha256":"2e0421d86c09c1e7df6f5e9b881c428990963ece032ce1314d2a5ed034dc0215"}}