{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "Graph Tech PT-6143-00 - Black TUSQ XL Slotted 43mm x 6mm Nut",
    "brand": "Graph Tech",
    "model": "PT-6143-00 - Black TUSQ XL Slotted",
    "mpn": null,
    "gtins": null,
    "handle": "ca-graph-tech-graph-tech-pt-6143-00-black-tusq-xl-slotted-3fec6bd0fb",
    "url": "https://envoy-music.myshopify.com/products/ca-graph-tech-graph-tech-pt-6143-00-black-tusq-xl-slotted-3fec6bd0fb",
    "catalog_product_id": "catalog:8f710114ab6a",
    "lane": "parts",
    "product_object": "guitar nut"
  },
  "offer": {
    "price": 19.99,
    "currency": "CAD",
    "available": true,
    "condition": "Brand New",
    "price_band": "mid",
    "source_verified_at": "2026-07-10T23:56:53Z"
  },
  "specifications": {"category":"parts","subcategory":"parts","category_path":"parts","groups":[{"id":"specifications","label":"Specifications","fields":[{"key":"fits_models","label":"Fits models","value":"Fits many guitars using a 6mm thickness nut.","display":"Fits many guitars using a 6mm thickness nut.","source":"source_listing","confidence":0.7},{"key":"dimensions","label":"Dimensions","value":"43mm x 6mm","display":"43mm x 6mm","source":"source_listing","confidence":0.7},{"key":"material","label":"Material","value":"Black TUSQ XL","display":"Black TUSQ XL","source":"source_listing","confidence":0.7},{"key":"sold_as","label":"Sold as","value":"Single","display":"Single","source":"source_listing","confidence":0.7}]}]},
  "connectivity": null,
  "power": null,
  "included_items": null,
  "required_accessories": ["model-appropriate mounting hardware","installation tools or qualified technician"],
  "optional_accessories": null,
  "compatibility": null,
  "advisor": {
    "best_for": null,
    "who_should_skip": null,
    "fit_notes": "Best suited to a repair or custom-build project with known dimensions and compatibility requirements.\n\nWho it is for: Builders and repair buyers who can verify fit, measurements, mounting pattern, and required installation work.\n\nWho should skip it: Skip it if the target instrument, dimensions, or installation requirements have not been confirmed.",
    "watchouts": null,
    "verification_questions": ["What exact dimensions, mounting pattern, and model compatibility does this part support?","Is all required mounting hardware included?","Does installation require routing, drilling, soldering, or other irreversible work?","Is the item still in stock at the displayed price, and what is the complete delivered cost to the intended destination?"]
  },
  "retrieval": {
    "summary": "Graph Tech PT-6143-00 - Black TUSQ XL Slotted 43mm x 6mm Nut is a repair, replacement, or custom-build part represented by 1 current Canadian retailer offer, starting at 19.99 CAD. Best suited to a repair or custom-build project with known dimensions and compatibility requirements. EnvoyMusic has verified the source price and availability signal, but has not independently verified every technical specification or US fulfillment detail. This is an verified retail listing reference, not inventory stocked or fulfilled by EnvoyMusic. Retailer price and availability can change; recheck the source before making a purchase decision. Skip it if the target instrument, dimensions, or installation requirements have not been confirmed.",
    "agent_summary": "Graph Tech PT-6143-00 - Black TUSQ XL Slotted 43mm x 6mm Nut. GRAPH TECH. visible colors: black. panel text: GRAPH TECH.",
    "intent_terms": ["parts","repair","custom_build","upgrade","Graph Tech PT-6143-00 - Black TUSQ XL Slotted 43mm x 6mm Nut","Graph Tech","verified retail listing","repair, replacement, or custom-build part","custom build"],
    "use_cases": ["repair-build"],
    "skill_level": "any"
  },
  "trust": {
    "has_verified_retail_listing": true,
    "source_count": 1,
    "source_tier_mix": ["retailer"],
    "evidence_flags": {"external_inventory":true,"source_availability":true,"source_price":true,"source_url":true,"structured_specs":false},
    "spec_provenance": null
  },
  "related": {
    "similar_item_ids": [],
    "comparison_reasons": ["source_count:1","lane:parts","verified retail listing_reference"]
}
}