{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:Y65AHKQEBNOYB7K2PK2JWYDPKA","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":"525c32d0adee960e25be1ff2d359139b1ec491578d41e338497574c70cd9a84f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.AR","submitted_at":"2026-06-01T15:06:09Z","title_canon_sha256":"ba28654c22cdd82ab99374f8b153f6a27e7a0a98d293876afb13f54e3037395f"},"schema_version":"1.0","source":{"id":"2606.02358","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.02358","created_at":"2026-06-02T03:04:57Z"},{"alias_kind":"arxiv_version","alias_value":"2606.02358v1","created_at":"2026-06-02T03:04:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.02358","created_at":"2026-06-02T03:04:57Z"},{"alias_kind":"pith_short_12","alias_value":"Y65AHKQEBNOY","created_at":"2026-06-02T03:04:57Z"},{"alias_kind":"pith_short_16","alias_value":"Y65AHKQEBNOYB7K2","created_at":"2026-06-02T03:04:57Z"},{"alias_kind":"pith_short_8","alias_value":"Y65AHKQE","created_at":"2026-06-02T03:04:57Z"}],"graph_snapshots":[{"event_id":"sha256:45899c4707de70ccb4c44dbe0257f1c242fc0030ac66d781be017bd29dbc32fb","target":"graph","created_at":"2026-06-02T03:04:57Z","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/2606.02358/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present Chimera, a flexible and scalable Microcontroller Unit (MCU) designed to accelerate real-time inference of rapidly evolving transformer-based models at the ultra-low-power edge (hundred of mW). The chip, implemented in 22 nm FDX technology, integrates a transformer accelerator tightly coupled within a compute cluster featuring nine general-purpose RV32IMA cores. Scalability extends to the memory hierarchy through a novel L2 memory island subsystem, which enables data sharing across multiple clusters while delivering 563 Gb/s aggregate bandwidth. The L2 subsystem enforces quality-of-s","authors_text":"Davide Rossi, Francesco Conti, Gamze \\.Islamo\\u{g}lu, Lorenzo Leone, Luca Benini, Michael Rogenmoser, Philip Wiese","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.AR","submitted_at":"2026-06-01T15:06:09Z","title":"CHIMERA: A Flexible and Scalable 3.1 TOPS/W AI-MCU with Transformer Accelerator and 563 Gb/s Shared-L2 Memory Subsystem with QoS Guarantees"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.02358","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":"sha256:1f77302862f1a1cc4427ea163969d17e7ff19f9d5b438ee0730d54cf8186c81b","target":"record","created_at":"2026-06-02T03:04:57Z","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":"525c32d0adee960e25be1ff2d359139b1ec491578d41e338497574c70cd9a84f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.AR","submitted_at":"2026-06-01T15:06:09Z","title_canon_sha256":"ba28654c22cdd82ab99374f8b153f6a27e7a0a98d293876afb13f54e3037395f"},"schema_version":"1.0","source":{"id":"2606.02358","kind":"arxiv","version":1}},"canonical_sha256":"c7ba03aa040b5d80fd5a7ab49b606f501c46b1a1619dd47be8cbc86b29f0a8e3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7ba03aa040b5d80fd5a7ab49b606f501c46b1a1619dd47be8cbc86b29f0a8e3","first_computed_at":"2026-06-02T03:04:57.072400Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-02T03:04:57.072400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Hjyv7FmUqOobD26KgkwWG2AFGCAP5CmyRh+eFkcyMZbovcCRVjlgCQbkxStFLi4J6FyUKwin13yYxjMzQ8cUBg==","signature_status":"signed_v1","signed_at":"2026-06-02T03:04:57.072810Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.02358","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f77302862f1a1cc4427ea163969d17e7ff19f9d5b438ee0730d54cf8186c81b","sha256:45899c4707de70ccb4c44dbe0257f1c242fc0030ac66d781be017bd29dbc32fb"],"state_sha256":"7b45ca1508a929d6be36e43d8b9728c141db21f613de84d7b47089f0f548184a"}