{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:BSM4DF2ND7DANOW3YGMOYZZGIN","short_pith_number":"pith:BSM4DF2N","canonical_record":{"source":{"id":"2606.25244","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2026-06-24T00:02:38Z","cross_cats_sorted":[],"title_canon_sha256":"0c91e8a65954a28a0fc1bfd6e8e7058408d2de5f0e939727ced08a32971e1229","abstract_canon_sha256":"0eb916fe8b58758f0d75159ac06c7426559e479c1ea32628b9dceb8de5974bf2"},"schema_version":"1.0"},"canonical_sha256":"0c99c1974d1fc606badbc198ec6726437e6cfd0a7bc7880f08ae7dbe69341d8a","source":{"kind":"arxiv","id":"2606.25244","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.25244","created_at":"2026-06-25T00:18:21Z"},{"alias_kind":"arxiv_version","alias_value":"2606.25244v1","created_at":"2026-06-25T00:18:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25244","created_at":"2026-06-25T00:18:21Z"},{"alias_kind":"pith_short_12","alias_value":"BSM4DF2ND7DA","created_at":"2026-06-25T00:18:21Z"},{"alias_kind":"pith_short_16","alias_value":"BSM4DF2ND7DANOW3","created_at":"2026-06-25T00:18:21Z"},{"alias_kind":"pith_short_8","alias_value":"BSM4DF2N","created_at":"2026-06-25T00:18:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:BSM4DF2ND7DANOW3YGMOYZZGIN","target":"record","payload":{"canonical_record":{"source":{"id":"2606.25244","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2026-06-24T00:02:38Z","cross_cats_sorted":[],"title_canon_sha256":"0c91e8a65954a28a0fc1bfd6e8e7058408d2de5f0e939727ced08a32971e1229","abstract_canon_sha256":"0eb916fe8b58758f0d75159ac06c7426559e479c1ea32628b9dceb8de5974bf2"},"schema_version":"1.0"},"canonical_sha256":"0c99c1974d1fc606badbc198ec6726437e6cfd0a7bc7880f08ae7dbe69341d8a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-25T00:18:21.994415Z","signature_b64":"Ikne9NqBEbs9CvNjKjahGad+sjpqUa0m5EmusYZdJOPQW1jY/2h3hS9lQR3x2WTRc9VdI3miPe7S9KGgXroUDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0c99c1974d1fc606badbc198ec6726437e6cfd0a7bc7880f08ae7dbe69341d8a","last_reissued_at":"2026-06-25T00:18:21.993931Z","signature_status":"signed_v1","first_computed_at":"2026-06-25T00:18:21.993931Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.25244","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":"2026-06-25T00:18:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AV6tYEPmOeZ1QPPPSKz6C/mwYeo8R37MpYECKagVgWKRxUNQJB98LeHBZz1ChGySlOTEkKfwUiq4n5Wofc8sDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:22:06.099820Z"},"content_sha256":"0492165d8a07e3f78f50aa8022852d96bd1a4cf07e95787140d9449cff5d3228","schema_version":"1.0","event_id":"sha256:0492165d8a07e3f78f50aa8022852d96bd1a4cf07e95787140d9449cff5d3228"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:BSM4DF2ND7DANOW3YGMOYZZGIN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reading AI Model Compilation in MLIR Through the Lens of Formal Theories","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.PL","authors_text":"Javed Absar","submitted_at":"2026-06-24T00:02:38Z","abstract_excerpt":"Compiler infrastructures such as MLIR rest on a set of design principles: IR abstractions, interfaces, match-and-rewrite, flow analysis, type conversion, staged lowering, and so on. These concepts have proven themselves in practice. Good designs typically arrive through engineering knowledge, intuition and experience. Many of them, however, have correspondences in formal theory. MLIR's match-and-rewrite engine has correspondence to a \\emph{term-rewriting-system}~\\cite{baadernipkow1998}; staged lowering has the structure of \\emph{refinement calculus}~\\cite{back1998}; and range analysis is groun"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25244","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/2606.25244/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":"2026-06-25T00:18:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"17xyvRvjUJ/Y6cRsWucwnLVTwmEXlYmc4J7pxhwWOB3bhiepkxX1JPUTJmeJcNPR98i6oNPBQVq2wWczmC4aAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:22:06.100449Z"},"content_sha256":"ae6977756d5c847119627f824191398212906f0e42d523921ad63cd67689a7eb","schema_version":"1.0","event_id":"sha256:ae6977756d5c847119627f824191398212906f0e42d523921ad63cd67689a7eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BSM4DF2ND7DANOW3YGMOYZZGIN/bundle.json","state_url":"https://pith.science/pith/BSM4DF2ND7DANOW3YGMOYZZGIN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BSM4DF2ND7DANOW3YGMOYZZGIN/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":"2026-07-07T07:22:06Z","links":{"resolver":"https://pith.science/pith/BSM4DF2ND7DANOW3YGMOYZZGIN","bundle":"https://pith.science/pith/BSM4DF2ND7DANOW3YGMOYZZGIN/bundle.json","state":"https://pith.science/pith/BSM4DF2ND7DANOW3YGMOYZZGIN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BSM4DF2ND7DANOW3YGMOYZZGIN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:BSM4DF2ND7DANOW3YGMOYZZGIN","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":"0eb916fe8b58758f0d75159ac06c7426559e479c1ea32628b9dceb8de5974bf2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2026-06-24T00:02:38Z","title_canon_sha256":"0c91e8a65954a28a0fc1bfd6e8e7058408d2de5f0e939727ced08a32971e1229"},"schema_version":"1.0","source":{"id":"2606.25244","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.25244","created_at":"2026-06-25T00:18:21Z"},{"alias_kind":"arxiv_version","alias_value":"2606.25244v1","created_at":"2026-06-25T00:18:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25244","created_at":"2026-06-25T00:18:21Z"},{"alias_kind":"pith_short_12","alias_value":"BSM4DF2ND7DA","created_at":"2026-06-25T00:18:21Z"},{"alias_kind":"pith_short_16","alias_value":"BSM4DF2ND7DANOW3","created_at":"2026-06-25T00:18:21Z"},{"alias_kind":"pith_short_8","alias_value":"BSM4DF2N","created_at":"2026-06-25T00:18:21Z"}],"graph_snapshots":[{"event_id":"sha256:ae6977756d5c847119627f824191398212906f0e42d523921ad63cd67689a7eb","target":"graph","created_at":"2026-06-25T00:18:21Z","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/2606.25244/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Compiler infrastructures such as MLIR rest on a set of design principles: IR abstractions, interfaces, match-and-rewrite, flow analysis, type conversion, staged lowering, and so on. These concepts have proven themselves in practice. Good designs typically arrive through engineering knowledge, intuition and experience. Many of them, however, have correspondences in formal theory. MLIR's match-and-rewrite engine has correspondence to a \\emph{term-rewriting-system}~\\cite{baadernipkow1998}; staged lowering has the structure of \\emph{refinement calculus}~\\cite{back1998}; and range analysis is groun","authors_text":"Javed Absar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2026-06-24T00:02:38Z","title":"Reading AI Model Compilation in MLIR Through the Lens of Formal Theories"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25244","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":"sha256:0492165d8a07e3f78f50aa8022852d96bd1a4cf07e95787140d9449cff5d3228","target":"record","created_at":"2026-06-25T00:18:21Z","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":"0eb916fe8b58758f0d75159ac06c7426559e479c1ea32628b9dceb8de5974bf2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2026-06-24T00:02:38Z","title_canon_sha256":"0c91e8a65954a28a0fc1bfd6e8e7058408d2de5f0e939727ced08a32971e1229"},"schema_version":"1.0","source":{"id":"2606.25244","kind":"arxiv","version":1}},"canonical_sha256":"0c99c1974d1fc606badbc198ec6726437e6cfd0a7bc7880f08ae7dbe69341d8a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0c99c1974d1fc606badbc198ec6726437e6cfd0a7bc7880f08ae7dbe69341d8a","first_computed_at":"2026-06-25T00:18:21.993931Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-25T00:18:21.993931Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ikne9NqBEbs9CvNjKjahGad+sjpqUa0m5EmusYZdJOPQW1jY/2h3hS9lQR3x2WTRc9VdI3miPe7S9KGgXroUDA==","signature_status":"signed_v1","signed_at":"2026-06-25T00:18:21.994415Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.25244","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0492165d8a07e3f78f50aa8022852d96bd1a4cf07e95787140d9449cff5d3228","sha256:ae6977756d5c847119627f824191398212906f0e42d523921ad63cd67689a7eb"],"state_sha256":"a63a5a51c72a7b1caac98592b5c2a593edb13890560674c144b0ac4998289e70"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rmLRWUOegoi84eMn+SFqj+AS9SDmJ9HItgt7IawgLWPhmIRojJXm293EwUTsHdiZh1TaoHZHBbFIBxLoIJeyCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T07:22:06.103479Z","bundle_sha256":"2f6a150c5e3c9336cea041c568c63f02f9ed9d2911106a0ea8cb5384acab3155"}}