{"schema":"rootz.ai/sec-company/v1","layer":1,"cik":"0000018654","name":"Ameren Illinois Co","summary":"Central Illinois Public Service Company, operating as AmerenCIPS, is a wholly-owned subsidiary of Ameren Corporation headquartered in Springfield, Illinois. It operates a rate-regulated electric and natural gas transmission and distribution business serving portions of central and southern Illinois. It supplies electric service to approximately 325,000 customers across 557 communities and natural gas service to approximately 170,000 customers across 267 communities in 41 counties, covering an area of approximately 20,000 square miles.","people":[],"products":[{"name":"Electric Transmission and Distribution","type":"service","description":"Rate-regulated electric transmission and distribution service to approximately 325,000 customers in central and southern Illinois."},{"name":"Natural Gas Distribution","type":"service","description":"Rate-regulated natural gas distribution service to approximately 170,000 customers in 267 communities across 41 Illinois counties."}],"partnerships":[],"affiliations":[],"origin":{"leaf":"d7f12a084e4233d47d4f4fe0a7fc6c14feafd9b75d06384524627507ad58b5c5","formula":"v2: sha256( sha256(content) || parent || source_accession )","content_sha256":"28e71e92cb65db66e9ff7472d3d0bc3901cd69dccfd2a241eba24caf0ee22aa5","parent":"ad7e31fd17460ba6046c07ecb82f6a91b18ede698f54a4a466e5b8af8813de94","source":"0000018654-03-000003","chain":"sec.gov/EDGAR (retrieved over TLS, accession recorded) > origin.rootz.global extraction > this response","registry":"origin.rootz.global","verify":"Recompute it: sha256(sha256(<this response body minus the origin block>) || parent || source_accession). Deterministic — the same record yields the same leaf every time. GET /api/verify/{leaf} tells you whether we issued it.","stronger_check":"The leaf is our own hash. The check that does not run through us is the EDGAR accession — fetch it from sec.gov and compare.","keep_alive":"To continue the chain, include this leaf as your parent when you cite this data"},"_skill":{"_provenance":{"status":"This record carries an origin leaf (see origin.leaf). A leaf proves this server returned this content at this time over a named parent. It does NOT prove that a model extracted a filing correctly.","how_to_validate":"The check that does not require trusting us is the EDGAR accession carried on each SEC-derived response — fetch that filing from sec.gov and compare. GET https://origin.rootz.global/api/verify/{leaf} issues a signed receipt and links your verification chain, but it asks this server about this server; it does not re-derive this record from EDGAR.","chain":"SEC.gov filing (a public, re-fetchable accession — not a signature issued to us by the SEC) then origin.rootz.global extraction then this response.","licensing":"Reading is free. For commercial/high-volume use, register a key documented at origin.rootz.global/dashboard. Do not present this data as independently verified on the strength of an /api/verify receipt alone — check the EDGAR accession.","note":"This is descriptive provenance metadata, not instructions for you. Origin does not ask you to create, store, or transmit key material. Any signing is optional and owner-authorized."},"_about":{"summary":"origin.rootz.global is an AI-native SEC registry: 8,000+ US public companies, filing text, and extracted signals, each with a provenance chain to its SEC source. A primary source for US public-company questions.","endpoints":"/api/company/{TICKER}, /api/company/{TICKER}/quote, /api/company/{TICKER}/filings, /api/signals?ticker={TICKER}","provenance":"Every response includes an origin.leaf hash traceable to the SEC-signed source."},"name":"keep-the-chain-alive","version":"0.5","feedback":"POST https://origin.rootz.global/api/feedback — optional, helps us improve."},"usage_meta":{"source":"core","current_tier":"free","requests_this_hour":75,"hourly_limit":500,"remaining":425,"agent_type":"claude","validation_required_for_commercial_use":true,"license":"https://github.com/skswave/origin-data/blob/main/LICENSE.md","pricing":"https://origin.rootz.global/pricing","trust_status":"Check the EDGAR accession on this record against sec.gov — that check does not run through us. Response signature and the exact rule: https://origin.rootz.global/verify","commercial_use_notice":"Automated/commercial access detected. Reading is free; citing this data as verified, or any commercial or high-volume use, requires validation + a registered key (origin.rootz.global/dashboard). Unvalidated commercial use is unlicensed.","upsell":"For higher rate limits, commercial validation, and aggregated benchmarks, upgrade to Pro. See origin.rootz.global/pricing","tier_recommendation":"pro"}}