{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:CX5BH2PVUVSTAPISTRFPFKVPEJ","short_pith_number":"pith:CX5BH2PV","canonical_record":{"source":{"id":"2605.25682","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2026-05-25T10:39:28Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"e6377723f3b4e7d510f61c75cc484f7e38a1c4c8de4553f3a3cf0f01fa98c224","abstract_canon_sha256":"ad227eb3c49a14bcb45f7a3118d448126159164b8faa03e470968711ec9cd91d"},"schema_version":"1.0"},"canonical_sha256":"15fa13e9f5a565303d129c4af2aaaf22565ba014875441009a651149ca11f5ee","source":{"kind":"arxiv","id":"2605.25682","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.25682","created_at":"2026-05-26T02:04:50Z"},{"alias_kind":"arxiv_version","alias_value":"2605.25682v1","created_at":"2026-05-26T02:04:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.25682","created_at":"2026-05-26T02:04:50Z"},{"alias_kind":"pith_short_12","alias_value":"CX5BH2PVUVST","created_at":"2026-05-26T02:04:50Z"},{"alias_kind":"pith_short_16","alias_value":"CX5BH2PVUVSTAPIS","created_at":"2026-05-26T02:04:50Z"},{"alias_kind":"pith_short_8","alias_value":"CX5BH2PV","created_at":"2026-05-26T02:04:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:CX5BH2PVUVSTAPISTRFPFKVPEJ","target":"record","payload":{"canonical_record":{"source":{"id":"2605.25682","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2026-05-25T10:39:28Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"e6377723f3b4e7d510f61c75cc484f7e38a1c4c8de4553f3a3cf0f01fa98c224","abstract_canon_sha256":"ad227eb3c49a14bcb45f7a3118d448126159164b8faa03e470968711ec9cd91d"},"schema_version":"1.0"},"canonical_sha256":"15fa13e9f5a565303d129c4af2aaaf22565ba014875441009a651149ca11f5ee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T02:04:50.032749Z","signature_b64":"E16Q2Bc+u2GYSa7XRlWU//W7/Ppm1Koqg3osfbOHuXkk8JglgMHo9XUJrPEn26MRZLUAnnaCgYi4BJhWg8qSCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15fa13e9f5a565303d129c4af2aaaf22565ba014875441009a651149ca11f5ee","last_reissued_at":"2026-05-26T02:04:50.032094Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T02:04:50.032094Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.25682","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":"2026-05-26T02:04:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9RJWthQ42BaWVAUBWDoy/DcUvzu+TKA6L95/SWi+zRQVRsZK0ujiJhpg0sOqwk9CI3XMNnJ/dSXCMPNQXYCeAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:20:04.630180Z"},"content_sha256":"142ccc3d52db6cec638da31c260707ca69d758e91b6c6efcc36c3c869e483e89","schema_version":"1.0","event_id":"sha256:142ccc3d52db6cec638da31c260707ca69d758e91b6c6efcc36c3c869e483e89"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:CX5BH2PVUVSTAPISTRFPFKVPEJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Profiling-Driven Adaptive Distributed Transformer Inference on Embedded Edge Deployment","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.DC","authors_text":"Alexandros Iosifidis, Muhammad Azlan Qazi, Qi Zhang","submitted_at":"2026-05-25T10:39:28Z","abstract_excerpt":"Distributing Transformer inference across embedded edge devices can alleviate individual memory and compute constraints, yet practical benefits on real hardware remain unclear: prior work relies largely on simulations that overlook hardware-specific communication overheads. We present a hardware prototype study on NVIDIA Jetson Orin Nano devices connected over WiFi. Our key finding is that the dominant bottleneck is not just network bandwidth but also the CPU-GPU staging during communication. Because Jetson's integrated GPU architecture lacks the PCIe/NVLink pathway that NCCL requires, all int"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.25682","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.25682/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":"2026-05-26T02:04:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lZ4EQIr8oC4k8fUJzWpI8Cgo5kWIHORucXwcXdIr/EjR93HDKbV+xPaAm69UyrjPP+e4AXXr6DBy7okV9D6BCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:20:04.631033Z"},"content_sha256":"b0cdc473a1180732ddb95ec05eb4197086695473dba17d1a7f0e120d73ec7d34","schema_version":"1.0","event_id":"sha256:b0cdc473a1180732ddb95ec05eb4197086695473dba17d1a7f0e120d73ec7d34"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CX5BH2PVUVSTAPISTRFPFKVPEJ/bundle.json","state_url":"https://pith.science/pith/CX5BH2PVUVSTAPISTRFPFKVPEJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CX5BH2PVUVSTAPISTRFPFKVPEJ/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":"2026-05-30T05:20:04Z","links":{"resolver":"https://pith.science/pith/CX5BH2PVUVSTAPISTRFPFKVPEJ","bundle":"https://pith.science/pith/CX5BH2PVUVSTAPISTRFPFKVPEJ/bundle.json","state":"https://pith.science/pith/CX5BH2PVUVSTAPISTRFPFKVPEJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CX5BH2PVUVSTAPISTRFPFKVPEJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:CX5BH2PVUVSTAPISTRFPFKVPEJ","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":"ad227eb3c49a14bcb45f7a3118d448126159164b8faa03e470968711ec9cd91d","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2026-05-25T10:39:28Z","title_canon_sha256":"e6377723f3b4e7d510f61c75cc484f7e38a1c4c8de4553f3a3cf0f01fa98c224"},"schema_version":"1.0","source":{"id":"2605.25682","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.25682","created_at":"2026-05-26T02:04:50Z"},{"alias_kind":"arxiv_version","alias_value":"2605.25682v1","created_at":"2026-05-26T02:04:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.25682","created_at":"2026-05-26T02:04:50Z"},{"alias_kind":"pith_short_12","alias_value":"CX5BH2PVUVST","created_at":"2026-05-26T02:04:50Z"},{"alias_kind":"pith_short_16","alias_value":"CX5BH2PVUVSTAPIS","created_at":"2026-05-26T02:04:50Z"},{"alias_kind":"pith_short_8","alias_value":"CX5BH2PV","created_at":"2026-05-26T02:04:50Z"}],"graph_snapshots":[{"event_id":"sha256:b0cdc473a1180732ddb95ec05eb4197086695473dba17d1a7f0e120d73ec7d34","target":"graph","created_at":"2026-05-26T02:04:50Z","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/2605.25682/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Distributing Transformer inference across embedded edge devices can alleviate individual memory and compute constraints, yet practical benefits on real hardware remain unclear: prior work relies largely on simulations that overlook hardware-specific communication overheads. We present a hardware prototype study on NVIDIA Jetson Orin Nano devices connected over WiFi. Our key finding is that the dominant bottleneck is not just network bandwidth but also the CPU-GPU staging during communication. Because Jetson's integrated GPU architecture lacks the PCIe/NVLink pathway that NCCL requires, all int","authors_text":"Alexandros Iosifidis, Muhammad Azlan Qazi, Qi Zhang","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2026-05-25T10:39:28Z","title":"Profiling-Driven Adaptive Distributed Transformer Inference on Embedded Edge Deployment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.25682","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":"sha256:142ccc3d52db6cec638da31c260707ca69d758e91b6c6efcc36c3c869e483e89","target":"record","created_at":"2026-05-26T02:04:50Z","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":"ad227eb3c49a14bcb45f7a3118d448126159164b8faa03e470968711ec9cd91d","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2026-05-25T10:39:28Z","title_canon_sha256":"e6377723f3b4e7d510f61c75cc484f7e38a1c4c8de4553f3a3cf0f01fa98c224"},"schema_version":"1.0","source":{"id":"2605.25682","kind":"arxiv","version":1}},"canonical_sha256":"15fa13e9f5a565303d129c4af2aaaf22565ba014875441009a651149ca11f5ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15fa13e9f5a565303d129c4af2aaaf22565ba014875441009a651149ca11f5ee","first_computed_at":"2026-05-26T02:04:50.032094Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T02:04:50.032094Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"E16Q2Bc+u2GYSa7XRlWU//W7/Ppm1Koqg3osfbOHuXkk8JglgMHo9XUJrPEn26MRZLUAnnaCgYi4BJhWg8qSCA==","signature_status":"signed_v1","signed_at":"2026-05-26T02:04:50.032749Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.25682","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:142ccc3d52db6cec638da31c260707ca69d758e91b6c6efcc36c3c869e483e89","sha256:b0cdc473a1180732ddb95ec05eb4197086695473dba17d1a7f0e120d73ec7d34"],"state_sha256":"80dc26ffa55ab655d120115b59df24dcd3d79e1ab5d70a3cf0a68868a4419435"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wNPzbZWL/NfExcqlzOWaL4q/OAPJIjORn43Tm5GGBTR980rVjsiOuujcUdKMtZ42fuqt/Kuu31CUfFdDP200DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T05:20:04.635021Z","bundle_sha256":"9233335ca68db253fa8679221c19a66e082079dd334b1c7ca9c7177a5dcb155d"}}