{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:U2D7DMTAAEEFRGJJAXNFKOZHCT","short_pith_number":"pith:U2D7DMTA","canonical_record":{"source":{"id":"2411.15574","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AR","submitted_at":"2024-11-23T14:27:03Z","cross_cats_sorted":[],"title_canon_sha256":"4f9436ac34b83d343c5672ad65b2d47d591f7d2748f56872585e81c5ea37cdc5","abstract_canon_sha256":"a175a2390e7817e53d8d2720de60515fc077a73e40a52c374a9a5894acd756f7"},"schema_version":"1.0"},"canonical_sha256":"a687f1b260010858992905da553b2714d8dd09d802459afec24c4507c9a11a86","source":{"kind":"arxiv","id":"2411.15574","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.15574","created_at":"2026-07-05T09:57:24Z"},{"alias_kind":"arxiv_version","alias_value":"2411.15574v2","created_at":"2026-07-05T09:57:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.15574","created_at":"2026-07-05T09:57:24Z"},{"alias_kind":"pith_short_12","alias_value":"U2D7DMTAAEEF","created_at":"2026-07-05T09:57:24Z"},{"alias_kind":"pith_short_16","alias_value":"U2D7DMTAAEEFRGJJ","created_at":"2026-07-05T09:57:24Z"},{"alias_kind":"pith_short_8","alias_value":"U2D7DMTA","created_at":"2026-07-05T09:57:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:U2D7DMTAAEEFRGJJAXNFKOZHCT","target":"record","payload":{"canonical_record":{"source":{"id":"2411.15574","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AR","submitted_at":"2024-11-23T14:27:03Z","cross_cats_sorted":[],"title_canon_sha256":"4f9436ac34b83d343c5672ad65b2d47d591f7d2748f56872585e81c5ea37cdc5","abstract_canon_sha256":"a175a2390e7817e53d8d2720de60515fc077a73e40a52c374a9a5894acd756f7"},"schema_version":"1.0"},"canonical_sha256":"a687f1b260010858992905da553b2714d8dd09d802459afec24c4507c9a11a86","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:57:24.118964Z","signature_b64":"qmQHJp5lAFY2xgIbKPStkkBjDdXXp2vwf5K2MljX5XCtqIN3Lo/NIs1fmQ4booJJ1g0I914Dl9nabEEdcF7PBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a687f1b260010858992905da553b2714d8dd09d802459afec24c4507c9a11a86","last_reissued_at":"2026-07-05T09:57:24.118493Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:57:24.118493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.15574","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":"2026-07-05T09:57:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4o8YdqEFQC+uW5VpQqO5Xcco3OA41YUZtR+UXHv/ZgTNXm/SUuVnvXSGvRawpicjuVTE/+Fr7NN5LcI7Ui3HBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T06:34:26.879350Z"},"content_sha256":"15023662f4a41d423041adb0cdb7c5b29165ae09844ce7333a4d6b902d8c4965","schema_version":"1.0","event_id":"sha256:15023662f4a41d423041adb0cdb7c5b29165ae09844ce7333a4d6b902d8c4965"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:U2D7DMTAAEEFRGJJAXNFKOZHCT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Prototype-Based Framework to Design Scalable Heterogeneous SoCs with Fine-Grained DFS","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.AR","authors_text":"Andrea Galimberti, Davide Zoni, Gabriele Montanaro","submitted_at":"2024-11-23T14:27:03Z","abstract_excerpt":"Frameworks for the agile development of modern system-on-chips are crucial to dealing with the complexity of designing such architectures. The open-source Vespa framework for designing large, FPGA-based, multi-core heterogeneous system-on-chips enables a faster and more flexible design space exploration of such architectures and their run-time optimization. Vespa, built on ESP, introduces the capabilities to instantiate multiple replicas of the same accelerator in a single network-on-chip node and to partition the system-on-chips into frequency islands with independent dynamic frequency scalin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.15574","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/2411.15574/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":"2026-07-05T09:57:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rdAz0M3VQq2qtTUqMP8tx0WVXMIhlfwFFDcWgp6T8ucLCDknc+PElsaUXKqx9aUeKBMT2Uk44wmoJia7aoVgCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T06:34:26.880309Z"},"content_sha256":"3af560fcf199a003b7e315eb4642cfa43e1b0b813274f37478aca31ec7989717","schema_version":"1.0","event_id":"sha256:3af560fcf199a003b7e315eb4642cfa43e1b0b813274f37478aca31ec7989717"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U2D7DMTAAEEFRGJJAXNFKOZHCT/bundle.json","state_url":"https://pith.science/pith/U2D7DMTAAEEFRGJJAXNFKOZHCT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U2D7DMTAAEEFRGJJAXNFKOZHCT/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":"2026-08-13T06:34:26Z","links":{"resolver":"https://pith.science/pith/U2D7DMTAAEEFRGJJAXNFKOZHCT","bundle":"https://pith.science/pith/U2D7DMTAAEEFRGJJAXNFKOZHCT/bundle.json","state":"https://pith.science/pith/U2D7DMTAAEEFRGJJAXNFKOZHCT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U2D7DMTAAEEFRGJJAXNFKOZHCT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:U2D7DMTAAEEFRGJJAXNFKOZHCT","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":"a175a2390e7817e53d8d2720de60515fc077a73e40a52c374a9a5894acd756f7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AR","submitted_at":"2024-11-23T14:27:03Z","title_canon_sha256":"4f9436ac34b83d343c5672ad65b2d47d591f7d2748f56872585e81c5ea37cdc5"},"schema_version":"1.0","source":{"id":"2411.15574","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.15574","created_at":"2026-07-05T09:57:24Z"},{"alias_kind":"arxiv_version","alias_value":"2411.15574v2","created_at":"2026-07-05T09:57:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.15574","created_at":"2026-07-05T09:57:24Z"},{"alias_kind":"pith_short_12","alias_value":"U2D7DMTAAEEF","created_at":"2026-07-05T09:57:24Z"},{"alias_kind":"pith_short_16","alias_value":"U2D7DMTAAEEFRGJJ","created_at":"2026-07-05T09:57:24Z"},{"alias_kind":"pith_short_8","alias_value":"U2D7DMTA","created_at":"2026-07-05T09:57:24Z"}],"graph_snapshots":[{"event_id":"sha256:3af560fcf199a003b7e315eb4642cfa43e1b0b813274f37478aca31ec7989717","target":"graph","created_at":"2026-07-05T09:57:24Z","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/2411.15574/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Frameworks for the agile development of modern system-on-chips are crucial to dealing with the complexity of designing such architectures. The open-source Vespa framework for designing large, FPGA-based, multi-core heterogeneous system-on-chips enables a faster and more flexible design space exploration of such architectures and their run-time optimization. Vespa, built on ESP, introduces the capabilities to instantiate multiple replicas of the same accelerator in a single network-on-chip node and to partition the system-on-chips into frequency islands with independent dynamic frequency scalin","authors_text":"Andrea Galimberti, Davide Zoni, Gabriele Montanaro","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AR","submitted_at":"2024-11-23T14:27:03Z","title":"A Prototype-Based Framework to Design Scalable Heterogeneous SoCs with Fine-Grained DFS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.15574","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":"sha256:15023662f4a41d423041adb0cdb7c5b29165ae09844ce7333a4d6b902d8c4965","target":"record","created_at":"2026-07-05T09:57:24Z","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":"a175a2390e7817e53d8d2720de60515fc077a73e40a52c374a9a5894acd756f7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AR","submitted_at":"2024-11-23T14:27:03Z","title_canon_sha256":"4f9436ac34b83d343c5672ad65b2d47d591f7d2748f56872585e81c5ea37cdc5"},"schema_version":"1.0","source":{"id":"2411.15574","kind":"arxiv","version":2}},"canonical_sha256":"a687f1b260010858992905da553b2714d8dd09d802459afec24c4507c9a11a86","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a687f1b260010858992905da553b2714d8dd09d802459afec24c4507c9a11a86","first_computed_at":"2026-07-05T09:57:24.118493Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:57:24.118493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qmQHJp5lAFY2xgIbKPStkkBjDdXXp2vwf5K2MljX5XCtqIN3Lo/NIs1fmQ4booJJ1g0I914Dl9nabEEdcF7PBw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:57:24.118964Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.15574","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15023662f4a41d423041adb0cdb7c5b29165ae09844ce7333a4d6b902d8c4965","sha256:3af560fcf199a003b7e315eb4642cfa43e1b0b813274f37478aca31ec7989717"],"state_sha256":"e6cc68e93f75fbcc134704fb46332aebc8ef010fd197cf9568d136d0ea924f6c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6WEBuNYyLCQWjhO70HKXQrhfPJpq2jQAf1OkTJpSzWpgUXhY17t+AnHcJLmfWUeVgVvPuC1nmsdVrkcDTF8cDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T06:34:26.886971Z","bundle_sha256":"590a4354bd258273450f8c0741f1c1a714da478376b3e86d271309030cd61ed3"}}