{"_canonicalization":{"envelope_id":"axm_ + sha256(envelope minus {signature, axiom_id, anchors})","envelope_signature":"ed25519(envelope minus {signature, axiom_id})","json":"sort_keys=True, separators=(',',':'), ensure_ascii=False, allow_nan=False, utf-8","leaf_hash":"sha256(0x00 || canonical_json(envelope_full))","seal_signature":"ed25519(seal minus {signature, sig_algorithm})"},"axiom_id":"axm_045c3410b3f76e4ad533821b5875d7267f457e627d87823c3352e0d553dfb9ba","bitcoin_anchor":{"bitcoin_attestations":[],"calendar_attestations":[],"ots_url":"","stamped_at":"","status":"pending_next_stamp"},"envelope":{"anchors":[{"chain":"crovia.axiom_graph","height":0,"merkle_proof":"spider_vendor_press_v1","root_at_anchor":"spider_vendor_press_v1"}],"axiom_id":"axm_045c3410b3f76e4ad533821b5875d7267f457e627d87823c3352e0d553dfb9ba","axiom_type":"AX.OBS","body":{"axiom_subtype":"news.vendor_press.v1","category":"news","fingerprint":"33e664e42b8f25ef0b35a1edcb01e12ef99f3ce7fdfe8bb6eb6f88e7d8ab212f","published":"Fri, 29 May 2026 12:00:00 +0000","receipt_hash":"33e664e42b8f25ef0b35a1edcb01e12ef99f3ce7fdfe8bb6eb6f88e7d8ab212f","schema":"spider.news.vendor_press.v1","spider":"vendor_press","spider_record":{"axiom_subtype":"news.vendor_press.v1","category":"news","decision_hint":"POSITIVE","envelope_target":"AX.OBS","fingerprint":"33e664e42b8f25ef0b35a1edcb01e12ef99f3ce7fdfe8bb6eb6f88e7d8ab212f","observed_at":"2026-05-29T12:43:51.255053Z","parent_run_hash":"023c6657b66009b616bf277b28b338cbadc60899a12c4947b05a2ac0233c756f","published":"Fri, 29 May 2026 12:00:00 +0000","runtime_version":"0.1.0","schema":"spider.news.vendor_press.v1","source_status":200,"source_url":"https://blog.google/technology/ai/rss/","spider":"vendor_press","summary_excerpt":"<img src=\"https://storage.googleapis.com/gweb-uniblog-publish-prod/images/FutureLabs_social.max-600x600.format-webp.webp\">University of Waterloo students develop AI prototypes like sign language tutors to reshape the future of education and work.","title":"Check out real-life AI prototypes from the Futures Lab.","url":"https://blog.google/innovation-and-ai/technology/ai/university-waterloo-labs/","vendor":"google_ai"},"summary":"<img src=\"https://storage.googleapis.com/gweb-uniblog-publish-prod/images/FutureLabs_social.max-600x600.format-webp.webp\">University of Waterloo students develop AI prototypes like sign language tutors to reshape the future of education and work.","title":"Check out real-life AI prototypes from the Futures Lab.","vendor":"google_ai"},"confidence":{"method":"deterministic"},"decision":"POSITIVE","issued_at":"2026-05-29T12:43:51Z","notes":"Spider vendor_press (news) news.vendor_press.v1","object":{"captured_by":"crovia.spider.vendor_press","primary_source_url":"https://blog.google/innovation-and-ai/technology/ai/university-waterloo-labs/"},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:ce2b578b3fc1466f4b3c6f4d61d446f761b9139eb97ea8654c69fef48a1820b32c83884cfc0240e4c8308f08644cd120888ec9b6f2b28d9b7c22b9dd6316c806","signer":"crovia.substrate","subject":{"observed_at":"2026-05-29T12:43:51Z","source_collector":"spider:vendor_press","target_id":"https://blog.google/innovation-and-ai/technology/ai/university-waterloo-labs/"},"tsa":{"authority":"crovia.substrate.bootstrap","rfc3161_token":"{\"kind\":\"crovia.bootstrap.tsa\",\"source_jsonl\":\"/opt/crovia/spider/data/news/vendor_press_v1.jsonl\",\"source_seal_merkle_root\":\"spider_vendor_press_v1\",\"upgrade_path\":\"Sessione H \\u2014 OpenTimestamps weekly anchor\"}"},"zk_mode":"clear","zk_proof":null},"ledger":{"leaf_hash":"6e657e3da654413a16b55a2b47a577a1854aa6419a9cdbbb03a89fc906181cf3","leaf_index":158800,"ledger_path":"/opt/crovia/substrate/axiom_ledger.jsonl"},"merkle_proof":{"hash_alg":"sha256","leaf_prefix":"0x00","node_prefix":"0x01","odd_leaf_rule":"duplicate_last","path":[{"sibling":"152d2e70ff9e9a3b60507db3f58473b12e853df48123d1de65984b8e208c7d11","side":"right"},{"sibling":"1eafa3637d302daee2a4fec23d496e9927da8f8230da07662cf9773465fd63d8","side":"right"},{"sibling":"cf4d69172880093383fd61060e1d2a4c0542020d0c251945ec4ad2c7e1ded3d8","side":"right"},{"sibling":"0592c54bfce279fd43df2558c18bd47020101daa46a7746104634abcbaa998a9","side":"right"},{"sibling":"036dfc0b55ff9e0962e227ef8ea3add327e5ff61c7d55b19c5be1c0de00afa66","side":"left"},{"sibling":"c238c31d51b9f65fb9b514aa284a27598631c8eb13abd48ce26f39ca8e9caa2d","side":"right"},{"sibling":"0028cbc5cc09c8de5ef5ebe6a82e8089159b4a0091c6761ee60b7e14ce69ac17","side":"left"},{"sibling":"5341a80ea34825a07767bc60cc88d2ffb2835db19ee9fc33ed8412c819ab8788","side":"right"},{"sibling":"b1d2b73388722673224cdec10898176ca57ba23113246e676ee2eab86fb02d6a","side":"right"},{"sibling":"fa942d637ea3e8a42e1016b7f292ff1fbeb73690eb2e35811df9420d910aca1a","side":"right"},{"sibling":"98731d1898e5c2f3e5c61807dad748a07b25943a443588cb9ddf4c4c8530a0c0","side":"left"},{"sibling":"78982294dee68f9db9288c64d7e507c7865fda96e1b6f7ccff5c8bb152e93c49","side":"left"},{"sibling":"b74a48fa98ef55441d7ea58db1590d00ac3c3f690c72c06d674b2864742d3099","side":"right"},{"sibling":"66331bac84ca0f8983eb09fac7eaf95af234f1b82680b793eabff4ee25caac40","side":"left"},{"sibling":"35ca36cee447f0ef7064a25d55f59357c66901e31427729c4c1d8b14aa8adb6c","side":"left"},{"sibling":"8d04c8b4ae5c12e5e55d75aebb291346a3bc8f81c1ef7fedd456a0724c1f33a5","side":"right"},{"sibling":"778e48555ed5482ad77bc57a3a819477c15990f872f744ece7beef1bd3ef9598","side":"right"},{"sibling":"d841ad93efda0869e5eb97678f348f03f5caab4353e05ff4bf18f47fb945b822","side":"left"}]},"schema":"crovia.axiom_proof.v1","seal":{"first_collector_run_id":"","first_receipt_hash":"","jsonl_path":"/opt/crovia/substrate/axiom_ledger.jsonl","key_id":"430895f101d38164","last_collector_run_id":"","last_receipt_hash":"","leaf_count":158995,"merkle_root":"66a3d67c3fd8f39e1237db1959302d888724dc1a7c97d011a54ade31dbe2b779","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","run_id":"hourly_json_retrofit_20260529T153756Z","schema":"crovia.seal.v1","seal_family_version":"crovia-seal-family/1","seal_kind":"substrate_batch","sealed_at":"2026-05-29T16:09:26Z","sig_algorithm":"ed25519","signature":"a126aa268bc005dac1dcbe61c2958f734105df32846ebe65208445ff2dec2330d78d88089d7ead3f4d5ec1357bb5d10388b725ecb24e8b280991026e2a28b802","signer_version":"1.1.0"},"trust_root":{"key_id":"430895f101d38164","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","signature_algorithm":"ed25519","url":"/registry/canon/TRUST_ROOT.md"},"verifier":{"spec":"/registry/canon/AXIOM_RECEIPT_v1.md","url":"/v/axm_045c3410b3f76e4ad533821b5875d7267f457e627d87823c3352e0d553dfb9ba"}}