{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:3RMXD37FIRVH2XPLNYTJ3MQ67M","short_pith_number":"pith:3RMXD37F","canonical_record":{"source":{"id":"2512.15028","kind":"arxiv","version":7},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2025-12-17T02:38:06Z","cross_cats_sorted":["cs.NI","cs.OS","cs.PF"],"title_canon_sha256":"cdde9a7721790b42c6026dd5f8599d8853bfaf6d24956a471a12586c79b68e98","abstract_canon_sha256":"af361708f222db59981a587e6c9b12f43f097cbaae007388749372ef65a9bbfd"},"schema_version":"1.0"},"canonical_sha256":"dc5971efe5446a7d5deb6e269db21efb2f0da8a9269ec062e45bed77e23631b5","source":{"kind":"arxiv","id":"2512.15028","version":7},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.15028","created_at":"2026-05-27T01:04:53Z"},{"alias_kind":"arxiv_version","alias_value":"2512.15028v7","created_at":"2026-05-27T01:04:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.15028","created_at":"2026-05-27T01:04:53Z"},{"alias_kind":"pith_short_12","alias_value":"3RMXD37FIRVH","created_at":"2026-05-27T01:04:53Z"},{"alias_kind":"pith_short_16","alias_value":"3RMXD37FIRVH2XPL","created_at":"2026-05-27T01:04:53Z"},{"alias_kind":"pith_short_8","alias_value":"3RMXD37F","created_at":"2026-05-27T01:04:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:3RMXD37FIRVH2XPLNYTJ3MQ67M","target":"record","payload":{"canonical_record":{"source":{"id":"2512.15028","kind":"arxiv","version":7},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2025-12-17T02:38:06Z","cross_cats_sorted":["cs.NI","cs.OS","cs.PF"],"title_canon_sha256":"cdde9a7721790b42c6026dd5f8599d8853bfaf6d24956a471a12586c79b68e98","abstract_canon_sha256":"af361708f222db59981a587e6c9b12f43f097cbaae007388749372ef65a9bbfd"},"schema_version":"1.0"},"canonical_sha256":"dc5971efe5446a7d5deb6e269db21efb2f0da8a9269ec062e45bed77e23631b5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-27T01:04:53.921848Z","signature_b64":"H6ybBu+EBKFg3zCCeVXSjc5Y2q94GvI6ZJJ1LjPxfSONFxxQxKPJnB5hYIa37W95rcENy/Xw85e+jtlr92DqDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc5971efe5446a7d5deb6e269db21efb2f0da8a9269ec062e45bed77e23631b5","last_reissued_at":"2026-05-27T01:04:53.921177Z","signature_status":"signed_v1","first_computed_at":"2026-05-27T01:04:53.921177Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2512.15028","source_version":7,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-27T01:04:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OB4BlXvZidIPk+24RMU8LdW2krIcHLbtPs/7HgHmUs4eZU/lBQR43c85Qls6mNEmAG4M8hs8MMLRlk+h1PuQBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T00:11:14.567875Z"},"content_sha256":"7703132ddc119cc17c846e1b8922441f4859e15edd4206ab2c1623b272ec49e8","schema_version":"1.0","event_id":"sha256:7703132ddc119cc17c846e1b8922441f4859e15edd4206ab2c1623b272ec49e8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:3RMXD37FIRVH2XPLNYTJ3MQ67M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reexamining Paradigms of End-to-End Data Movement","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Bottlenecks in high-speed data movement often lie outside the network core in host-side factors.","cross_cats":["cs.NI","cs.OS","cs.PF"],"primary_cat":"cs.DC","authors_text":"Chin Fang, Michael J. McManus, Timothy Stitt, Toshio Moriya","submitted_at":"2025-12-17T02:38:06Z","abstract_excerpt":"The pursuit of high-performance data transfer often focuses on raw network bandwidth. International links of 100 Gbps or higher are frequently considered the primary enabler. While necessary, this network-centric view is incomplete. It equates provisioned link speeds with practical, sustainable data movement capabilities. It is a common observation that lower-than-desired data rates manifest even on 10 Gbps links, with higher-speed networks only amplifying their visibility. We investigate six paradigms -- from network latency and TCP congestion control to host-side factors such as CPU performa"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"principal bottlenecks often reside outside the network core, and that a holistic hardware-software co-design enables consistent, predictable performance for moving data at scale and speed","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That the six investigated paradigms capture the dominant constraints across heterogeneous production environments and that the Drainage Basin Pattern model provides a sufficiently complete framework for identifying them","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Bottlenecks in large-scale data movement usually sit outside the network core, and a new Drainage Basin Pattern model helps identify them for better hardware-software co-design.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Bottlenecks in high-speed data movement often lie outside the network core in host-side factors.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"0a2157501fb8c2c8aab926b9c5fc241c7e04243f4ba80170c14caa52590a1a7b"},"source":{"id":"2512.15028","kind":"arxiv","version":7},"verdict":{"id":"13f9e253-1559-4bb8-99fa-3b06446d59ef","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-16T22:17:38.890694Z","strongest_claim":"principal bottlenecks often reside outside the network core, and that a holistic hardware-software co-design enables consistent, predictable performance for moving data at scale and speed","one_line_summary":"Bottlenecks in large-scale data movement usually sit outside the network core, and a new Drainage Basin Pattern model helps identify them for better hardware-software co-design.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"That the six investigated paradigms capture the dominant constraints across heterogeneous production environments and that the Drainage Basin Pattern model provides a sufficiently complete framework for identifying them","pith_extraction_headline":"Bottlenecks in high-speed data movement often lie outside the network core in host-side factors."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2512.15028/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":"13f9e253-1559-4bb8-99fa-3b06446d59ef"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-27T01:04:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XYzbM/nu5YyRtpv97awLppArxqKtgt05XmuIpuv6c6v7iF+Uujx7At11LhsSFIt52Np/4Lwc6hWU3YEt03XbDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T00:11:14.568835Z"},"content_sha256":"1b712d4e93b8849b214b1b82d7698863a3fa66359245ea508745171903b0ce12","schema_version":"1.0","event_id":"sha256:1b712d4e93b8849b214b1b82d7698863a3fa66359245ea508745171903b0ce12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3RMXD37FIRVH2XPLNYTJ3MQ67M/bundle.json","state_url":"https://pith.science/pith/3RMXD37FIRVH2XPLNYTJ3MQ67M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3RMXD37FIRVH2XPLNYTJ3MQ67M/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":"2026-06-11T00:11:14Z","links":{"resolver":"https://pith.science/pith/3RMXD37FIRVH2XPLNYTJ3MQ67M","bundle":"https://pith.science/pith/3RMXD37FIRVH2XPLNYTJ3MQ67M/bundle.json","state":"https://pith.science/pith/3RMXD37FIRVH2XPLNYTJ3MQ67M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3RMXD37FIRVH2XPLNYTJ3MQ67M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:3RMXD37FIRVH2XPLNYTJ3MQ67M","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":"af361708f222db59981a587e6c9b12f43f097cbaae007388749372ef65a9bbfd","cross_cats_sorted":["cs.NI","cs.OS","cs.PF"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2025-12-17T02:38:06Z","title_canon_sha256":"cdde9a7721790b42c6026dd5f8599d8853bfaf6d24956a471a12586c79b68e98"},"schema_version":"1.0","source":{"id":"2512.15028","kind":"arxiv","version":7}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.15028","created_at":"2026-05-27T01:04:53Z"},{"alias_kind":"arxiv_version","alias_value":"2512.15028v7","created_at":"2026-05-27T01:04:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.15028","created_at":"2026-05-27T01:04:53Z"},{"alias_kind":"pith_short_12","alias_value":"3RMXD37FIRVH","created_at":"2026-05-27T01:04:53Z"},{"alias_kind":"pith_short_16","alias_value":"3RMXD37FIRVH2XPL","created_at":"2026-05-27T01:04:53Z"},{"alias_kind":"pith_short_8","alias_value":"3RMXD37F","created_at":"2026-05-27T01:04:53Z"}],"graph_snapshots":[{"event_id":"sha256:1b712d4e93b8849b214b1b82d7698863a3fa66359245ea508745171903b0ce12","target":"graph","created_at":"2026-05-27T01:04:53Z","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":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"principal bottlenecks often reside outside the network core, and that a holistic hardware-software co-design enables consistent, predictable performance for moving data at scale and speed"},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"That the six investigated paradigms capture the dominant constraints across heterogeneous production environments and that the Drainage Basin Pattern model provides a sufficiently complete framework for identifying them"},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"Bottlenecks in large-scale data movement usually sit outside the network core, and a new Drainage Basin Pattern model helps identify them for better hardware-software co-design."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"Bottlenecks in high-speed data movement often lie outside the network core in host-side factors."}],"snapshot_sha256":"0a2157501fb8c2c8aab926b9c5fc241c7e04243f4ba80170c14caa52590a1a7b"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2512.15028/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The pursuit of high-performance data transfer often focuses on raw network bandwidth. International links of 100 Gbps or higher are frequently considered the primary enabler. While necessary, this network-centric view is incomplete. It equates provisioned link speeds with practical, sustainable data movement capabilities. It is a common observation that lower-than-desired data rates manifest even on 10 Gbps links, with higher-speed networks only amplifying their visibility. We investigate six paradigms -- from network latency and TCP congestion control to host-side factors such as CPU performa","authors_text":"Chin Fang, Michael J. McManus, Timothy Stitt, Toshio Moriya","cross_cats":["cs.NI","cs.OS","cs.PF"],"headline":"Bottlenecks in high-speed data movement often lie outside the network core in host-side factors.","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2025-12-17T02:38:06Z","title":"Reexamining Paradigms of End-to-End Data Movement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.15028","kind":"arxiv","version":7},"verdict":{"created_at":"2026-05-16T22:17:38.890694Z","id":"13f9e253-1559-4bb8-99fa-3b06446d59ef","model_set":{"reader":"grok-4.3"},"one_line_summary":"Bottlenecks in large-scale data movement usually sit outside the network core, and a new Drainage Basin Pattern model helps identify them for better hardware-software co-design.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Bottlenecks in high-speed data movement often lie outside the network core in host-side factors.","strongest_claim":"principal bottlenecks often reside outside the network core, and that a holistic hardware-software co-design enables consistent, predictable performance for moving data at scale and speed","weakest_assumption":"That the six investigated paradigms capture the dominant constraints across heterogeneous production environments and that the Drainage Basin Pattern model provides a sufficiently complete framework for identifying them"}},"verdict_id":"13f9e253-1559-4bb8-99fa-3b06446d59ef"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7703132ddc119cc17c846e1b8922441f4859e15edd4206ab2c1623b272ec49e8","target":"record","created_at":"2026-05-27T01:04:53Z","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":"af361708f222db59981a587e6c9b12f43f097cbaae007388749372ef65a9bbfd","cross_cats_sorted":["cs.NI","cs.OS","cs.PF"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2025-12-17T02:38:06Z","title_canon_sha256":"cdde9a7721790b42c6026dd5f8599d8853bfaf6d24956a471a12586c79b68e98"},"schema_version":"1.0","source":{"id":"2512.15028","kind":"arxiv","version":7}},"canonical_sha256":"dc5971efe5446a7d5deb6e269db21efb2f0da8a9269ec062e45bed77e23631b5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc5971efe5446a7d5deb6e269db21efb2f0da8a9269ec062e45bed77e23631b5","first_computed_at":"2026-05-27T01:04:53.921177Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-27T01:04:53.921177Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H6ybBu+EBKFg3zCCeVXSjc5Y2q94GvI6ZJJ1LjPxfSONFxxQxKPJnB5hYIa37W95rcENy/Xw85e+jtlr92DqDA==","signature_status":"signed_v1","signed_at":"2026-05-27T01:04:53.921848Z","signed_message":"canonical_sha256_bytes"},"source_id":"2512.15028","source_kind":"arxiv","source_version":7}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7703132ddc119cc17c846e1b8922441f4859e15edd4206ab2c1623b272ec49e8","sha256:1b712d4e93b8849b214b1b82d7698863a3fa66359245ea508745171903b0ce12"],"state_sha256":"1132756869a713b4b785beba4c11483eb3a861e7f5accaa8e28ee7ca8566a102"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bvegPsLoM/xBniH5IB8Hr56GTOCjuAu88BoBNhCk+dgZJytIMgyAbwvr+9CFYAypatAP0IRJdV+Mw4J8o4EaCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T00:11:14.572758Z","bundle_sha256":"831d14951b686df74bdfd715cfbba22f6ed5b509d5eff3e01f63a0c9fff98461"}}