main
John Lauer Name the board CAD by part number: package-reference.step -> GJM1555C1HR20WB01D.step, footprint -> C_0402_1005Metric_GJM1555C1HR20WB01D.kicad_mod (footprint name, model path, symbol Footprint, metadata updated; geometry unchanged) so Cloud Library exports no longer collide 9a28856 12h ago
{
 "manufacturer_reference": "https://www.murata.com/en-us/products/productdetail?partno=GJM1555C1HR20WB01%23",
 "datasheet_link_check": "HTTP 200 (2026-10-19)",
 "symbol_source": "Original, written from the pin list. MIT.",
 "footprint_source": "KiCad standard library Capacitor_SMD:C_0402_1005Metric (CC-BY-SA 4.0 with the KiCad library exception)",
 "package_source": "KiCad packages3D Capacitor_SMD.3dshapes/C_0402_1005Metric.step (CC-BY-SA 4.0 with exception)",
 "geometry_status": "Generic KiCad package geometry; not manufacturer-issued exact-ordering-code CAD. Verify against the manufacturer land pattern before use.",
 "stock_check": "Mouser 81-GJM1555C1HR20WB01: 158,786 in stock, lead time 70 days (2026-10-19, adom-mouser search)",
 "glb": {
  "tool": "step2glb convert",
  "exit": 0
 },
 "files": {
  "README.md": "70c77710d1b98e67f85a68197e41b54b7b95ca8b52fe0372ac1801c9a59c0be6",
  "C_0402_1005Metric_GJM1555C1HR20WB01D.kicad_mod": "0b1301e2da8914bc63f24719e7d5d4e513aa3c255327038df37aa2f955676662",
  "component.kicad_sym": "8d7abd406d5da5870aa76718552f4f51eb271cf9312d9ae15ef3b38f497e5fe3",
  "docs/gjm1555c1hr20wb01d-datasheet.pdf": "3335a426401f0eab1ab3ce23ec109a58943c369c928bd858b6433aa70c30cf49",
  "docs/verify/gjm1555c1hr20wb01d-overlay.png": "35d5669660a07cd2e644406c87c97f4934e02261368c632c36408546c93fc860",
  "lod/high.glb": "85ad88e9c3e609aece282ed064f330d3fe5bbcf863605add6158b493163277af",
  "lod/low.glb": "5040df3a61be0b6f49aca6249d92a8d8687e83fcdcda35b573f23a6634834656",
  "lod/medium.glb": "934d85874b4b0b23f6b3efe7c1917353166d4a733345d40565b2870f2ba50be3",
  "lod/super-low.glb": "c8e53c84997c381169e8d415039244d9880c13a27f4334735208af59de13628f",
  "models.json": "7f46e6bc690e36c15e3db626a91917c0a13ead416e2e7966ec73639d3ca89e0e",
  "package-reference.glb": "100935c5c0d6f20a6c9bdfb6386f874dc8a4457bf0e4f3ace69f1ab090100773",
  "GJM1555C1HR20WB01D.step": "03e44c4b2b727b8d4b6b1fd598cbd12dd5e614f1dfeefa96a92a07e3a3b312a2",
  "package.json": "5da37337c804c973e35c05ae79fa0b46ee89b8622e83afb5c35541946dac61eb",
  "page.json": "a3bdd66e269a72cf7f9006f7f0dc9dbe75995dc9c478cd701c2ad14daab1589b",
  "verification.json": "d88cdc2a8846efce9d160e00cf7cb16fa066035b03c54e9452cb92f99c6b9570",
  "docs/models/package-reference-step.png": "b741926c58cc5d0929ee89e95981c90e12ff9aadc55ff27ea22ba45cea40e88e"
 },
 "page_created": "2026-10-19 by Claude (AI) for John Lauer, modelled on john/gjm1555c1h1r0wb01d (same 0402 package, footprint and package STEP; symbol fields changed to this MPN)",
 "hero_note": "docs/hero.png is the step2glb thumbnail of GJM1555C1HR20WB01D.step, byte-identical to the one on john/gjm1555c1h1r0wb01d because the package model is the same file",
 "marking": {
  "real_marking": null,
  "statement": "The Murata reference sheet specifies no marking for this part: none of its 29 pages has a marking section or mentions a part marking, and the p.2 dimension sketch shows a plain body",
  "source": "GJM1555C1HR20WB01-01A, all 29 pages searched; p.2"
 },
 "mpn_marked_model_removed": {
  "date": "2026-10-19",
  "files": [
   {
    "path": "gjm1555c1hr20wb01d-mpn.step",
    "sha256": "d5a2d00cace5b38feeb637874de4e76aaeb43d91e10e37c60adcfe5f105b89f0"
   },
   {
    "path": "gjm1555c1hr20wb01d-mpn.glb",
    "sha256": "ef5d5c3207374c4d40d9b2b87e1478640ab7c31a40af03b4e14fbac82d26f535"
   },
   {
    "path": "docs/gjm1555c1hr20wb01d-mpn.check.png",
    "sha256": "1480a2e9d8bbb2f51ee55cae737545c3667f7293babda70d9ce48bc0b41e3cf0"
   }
  ],
  "reason": "John's rule: every chip shows only its real laser marking from the manufacturer's datasheet. The Murata reference sheet specifies no marking for this part: none of its 29 pages has a marking section or mentions a part marking, and the p.2 dimension sketch shows a plain body (GJM1555C1HR20WB01-01A, all 29 pages searched; p.2), so the AI-added MPN etch misrepresented the part and was deleted.",
  "removed_by": "Claude (AI agent) for John Lauer"
 },
 "datasheet": {
  "file": "docs/gjm1555c1hr20wb01d-datasheet.pdf",
  "sha256": "3335a426401f0eab1ab3ce23ec109a58943c369c928bd858b6433aa70c30cf49",
  "url": "https://search.murata.co.jp/Ceramy/image/img/A01X/G101/ENG/GJM1555C1HR20WB01-01A.pdf",
  "title": "Murata reference sheet GJM1555C1HR20WB01-01A, specifications as of Apr. 15, 2026",
  "retrieved": "2026-10-19"
 },
 "datasheet_check": {
  "overlay": "docs/verify/gjm1555c1hr20wb01d-overlay.png",
  "numbers": "docs/verify/gjm1555c1hr20wb01d-check.json",
  "tools": "provenance/tools/ (ortho.py, overlay_chip.py, spec json)",
  "result": "PASS"
 },
 "lod": {
  "manifest": "lod/manifest.json",
  "generator": "provenance/tools/lod.py",
  "source_sha256": "03e44c4b2b727b8d4b6b1fd598cbd12dd5e614f1dfeefa96a92a07e3a3b312a2"
 },
 "files_note": "page.json, package.json and README.md hashes are as written before this provenance file; provenance.json itself is not listed.",
 "renamed_for_library_export": {
  "date": "2026-10-20",
  "files": {
   "package-reference.step": "GJM1555C1HR20WB01D.step",
   "component.kicad_mod": "C_0402_1005Metric_GJM1555C1HR20WB01D.kicad_mod"
  },
  "footprint_name": {
   "C_0402_1005Metric": "C_0402_1005Metric_GJM1555C1HR20WB01D"
  },
  "reason": "Cloud Library exports merge every board part into one folder; the generic package-reference.step and footprint name collided with other parts. The STEP is byte-identical (same sha256); the footprint geometry is unchanged, only its name and (model) path changed.",
  "by": "Claude (AI agent) for John Lauer"
 }
}