{"_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_131d68b54062a10a1afa5dbf1912f6516bd13d7c6c9fe8978a7f2251b4630cee","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_131d68b54062a10a1afa5dbf1912f6516bd13d7c6c9fe8978a7f2251b4630cee","axiom_type":"AX.OBS","body":{"axiom_subtype":"news.vendor_press.v1","category":"news","fingerprint":"e538754d010f44529235f3ab0c87392696e7f3d92b0cf235edbbe574b28c419f","published":"Thu, 11 Jun 2026 00:00:00 -0400","receipt_hash":"e538754d010f44529235f3ab0c87392696e7f3d92b0cf235edbbe574b28c419f","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":"e538754d010f44529235f3ab0c87392696e7f3d92b0cf235edbbe574b28c419f","observed_at":"2026-06-11T04:43:37.662146Z","parent_run_hash":"5267801b61ae0d882196b5f37208a9a1633905a64ca7d933f1fa5075cd861491","published":"Thu, 11 Jun 2026 00:00:00 -0400","runtime_version":"0.1.0","schema":"spider.news.vendor_press.v1","source_status":200,"source_url":"https://export.arxiv.org/rss/cs.AI","spider":"vendor_press","summary_excerpt":"arXiv:2606.11869v1 Announce Type: cross \nAbstract: Custom AI agents areagents that live inside their own\n  application, talk to their own data and tools, enforce their own security boundaries,\n  and carry their own brand and audit trail. What separates them from the general-purpose\n  tier is fit, not capability: each is built for one job, by the\n  engineer who will maintain it. No published practice sets out how to build one end to\n  end. The pieces are everywhere (function-calling APIs, the Model Context Protocol, code\n  agents to pair with), but the practice that chains them lives in podcasts, blogs, and\n  leaked system prompts. This paper writes that practice down as a methodology, Agents All\n  the Way Down: two preconditions crossed once and kept, then three practices repeated\n  for the agent's life. The preconditions are (P1) Substrate, the LLM as a software\n  component, framed as tools, then system, then messages under prompt-caching; and (P2)\n  Building blocks: function calling,","title":"Agents All the Way Down; A Methodology for Building Custom AI Agents from Substrate to Production","url":"https://arxiv.org/abs/2606.11869","vendor":"arxiv_cs_ai"},"summary":"arXiv:2606.11869v1 Announce Type: cross \nAbstract: Custom AI agents areagents that live inside their own\n  application, talk to their own data and tools, enforce their own security boundaries,\n  and carry their own brand and audit trail. What separates them from the general-purpose\n  tier is fit, not capability: each is built for one job, by the\n  engineer who will maintain it. No published practice sets out how to build one end to\n  end. The pieces are everywhere (function-calling APIs, the Model Context Protocol, code\n  agents to pair with), but the practice that chains them lives in podcasts, blogs, and\n  leaked system prompts. This paper writes that practice down as a methodology, Agents All\n  the Way Down: two preconditions crossed once and kept, then three practices repeated\n  for the agent's life. The preconditions are (P1) Substrate, the LLM as a software\n  component, framed as tools, then system, then messages under prompt-caching; and (P2)\n  Building blocks: function calling,","title":"Agents All the Way Down; A Methodology for Building Custom AI Agents from Substrate to Production","vendor":"arxiv_cs_ai"},"confidence":{"method":"deterministic"},"decision":"POSITIVE","issued_at":"2026-06-11T04:43:37Z","notes":"Spider vendor_press (news) news.vendor_press.v1","object":{"captured_by":"crovia.spider.vendor_press","primary_source_url":"https://arxiv.org/abs/2606.11869"},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:2ebeb3375fee8e754f6fd5a7153c4e0c9bfed23711cbd8f06cec6429603fb97bdd889706ec627c666ef1d2454e31f6bc8ed16db2360afb4afce3904baeaf9705","signer":"crovia.substrate","subject":{"observed_at":"2026-06-11T04:43:37Z","source_collector":"spider:vendor_press","target_id":"https://arxiv.org/abs/2606.11869"},"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":"40a14306def2c4c2361b4f963b42b623be8e0e7b5575b4de33e6360e36c8e9bb","leaf_index":227464,"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":"00fbc83239b30f7d2f3bfdeb49ffb9f32f440dd477a29f550cfc58aa74d5093e","side":"right"},{"sibling":"3c78fdc8a171c7dcb7488cfe74749c023d9325d7e8677b5530dcdd6d45442f3c","side":"right"},{"sibling":"712c2c27f7893673b71342b1f0b5fa3de0a5a69051e99fad240a7794dbef0ddd","side":"right"},{"sibling":"29484dba58dbc1834f700ef8ea9a4ac5685fef38eb70290491c826d89794c3f0","side":"left"},{"sibling":"5a71c392c9016c57b71cd026d9baebdccfcb1e2f823d657570e71eb977940a40","side":"right"},{"sibling":"4675cdd5067e9878d980d32ed6d49a2f4c959cec55d570d1bb2ac2247566333a","side":"right"},{"sibling":"be2a37bcb238a826acf45455e518d42d73f440ba96d52faa79e4bc8b1793ea0f","side":"right"},{"sibling":"e5516844190de8c773a2f33a88fdd935790a83aa93beef323f043368177406bc","side":"left"},{"sibling":"2cfac7f042209c8533c6031bddc4a83bc156e0595f1b28efefbda208904f338a","side":"right"},{"sibling":"04e399458c5b36988cae0bf1c6dbe1b01349003b15cb5aa43f95c55acffe4ec3","side":"right"},{"sibling":"1383228337d54218bd8e5563aebb0b0dfe15c5269e3d5138e64c261d6130a88b","side":"right"},{"sibling":"57cb49c192550231071a0bf53a0821da2f79c585ec6c8d0fc76cebd62ccd78b2","side":"left"},{"sibling":"cdb58f86163046d3b15f857b03372ec75e1ad9ea4548e086793d528b9eed364d","side":"left"},{"sibling":"533d82482604463aa4a281b9d8b85917b383b7c5f924b2b494039524c55e8797","side":"left"},{"sibling":"b2590791b920ca2a4ed39de126d2c0b1a10d9e7e62f572f12425f214e767b6e1","side":"left"},{"sibling":"6cea4964f32722eb370847c2f7c9d6a9f0622c239538b07e6815a59d6fd8d49c","side":"right"},{"sibling":"c300cf0154c136afc09b1702a0be98f4ba5b6dc5cf57e8cc714ec1eaf4196eff","side":"left"},{"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":228173,"merkle_root":"7e416202c0bfd759bd2eea4236713b403993d99793fe8badb5065040080bece3","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","run_id":"hourly_json_retrofit_20260611T143708Z","schema":"crovia.seal.v1","seal_family_version":"crovia-seal-family/1","seal_kind":"substrate_batch","sealed_at":"2026-06-11T21:59:35Z","sig_algorithm":"ed25519","signature":"231c80024bc3982dd493c45b31af95097e97aabc6d712a4e5bad7d0cbdd3c08e01ff395b0f8e72754bac97016e0cd0eed88b8a13cb71edbbcb9b6d72c10a7b03","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_131d68b54062a10a1afa5dbf1912f6516bd13d7c6c9fe8978a7f2251b4630cee"}}