GRM155R71C104KA88D - Murata

{
 "manufacturer_reference": "https://www.murata.com/en-us/products/productdetail?partno=GRM155R71C104KA88%23",
 "datasheet_link_check": "Murata product detail page, HTTP 200 (2026-10-18); datasheet PDF is reached from that page",
 "symbol_source": "Original, hand-written from the pin list (non-polar capacitor). 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.",
 "glb": {
  "tool": "step2glb convert",
  "exit": 0,
  "stderr_tail": "Large file queued for async conversion (job 194719f4c8fbaae5). Polling...\nJob 194719f4c8fbaae5 complete (0s). Downloading GLB...\n"
 },
 "files": {
  "README.md": "14c5a7c303909226fdf57b7ae8af5698c217a5f016854ba883be0af72dac7131",
  "C_0402_1005Metric_GRM155R71C104KA88D.kicad_mod": "b6a7da27e9e78f95ac7a64b22ed5e3877fdf76637853672667b40d1b69add5be",
  "component.kicad_sym": "17b0a9dd79a549d3b9bd75fcf9d2835101988199ae2cfcd392e8c40d7366dc79",
  "docs/grm155r71c104ka88d-datasheet.pdf": "530d3a4bf8e67af48379d3d027c23f87d1433a5c59abc51d313dada0d9e4b031",
  "docs/verify/grm155r71c104ka88d-overlay.png": "410ef027f7398d0cf95c1deb0d231afa2dacf2fb88f3188b1bf4e3aaf2ec59a1",
  "lod/high.glb": "a7e8a07d37de23790b3dd08efac5905f79da1988d9566b954faefd5aeec2ef48",
  "lod/low.glb": "56fabcdda9e3d8f1cfc98198405c088afac7e92c641ec61c40580ab927fea4a3",
  "lod/medium.glb": "86e4496ffdb2b92cba71a763ba1872c921b44c13622f8d944f2b24b7942d27bf",
  "lod/super-low.glb": "ab9a9bb7ac6b45fcced1fafd77ed9fc22e0101dd46500c5bfd7a31ccdf677e11",
  "models.json": "7e3241c17fbf9ae6fbf62a177a5d4f89d3d30611c46167ae04865226cae6bc16",
  "package-reference.glb": "100935c5c0d6f20a6c9bdfb6386f874dc8a4457bf0e4f3ace69f1ab090100773",
  "GRM155R71C104KA88D.step": "03e44c4b2b727b8d4b6b1fd598cbd12dd5e614f1dfeefa96a92a07e3a3b312a2",
  "package.json": "fe16a1117f07690998215b2d466ac5ca094133386dfa5cc025331893ab0f6840",
  "page.json": "5623478001af830f1d582725aec431d539f9697ec671111519db92404c3c78d1",
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 },
 "marking": {
  "real_marking": null,
  "statement": "The Murata reference sheet specifies no marking for this part: none of its 33 pages has a marking section or mentions a part marking, and the p.2 dimension sketch shows a plain body",
  "source": "GRM155R71C104KA88-01A, all 33 pages searched; p.2"
 },
 "mpn_marked_model_removed": {
  "date": "2026-10-19",
  "files": [
   {
    "path": "grm155r71c104ka88d-mpn.step",
    "sha256": "e36bfcbc7c347012220c7d198e4dc5ab09442891537047cb5b6f6b1aea421a66"
   },
   {
    "path": "grm155r71c104ka88d-mpn.glb",
    "sha256": "373acbe10231ede6fa1ac24c6c1c867b388098390268f7a0de94e8a04f942652"
   },
   {
    "path": "docs/grm155r71c104ka88d-mpn.check.png",
    "sha256": "9905dd62b68b37be8a4073e438759cb8334e9c0f9c6ba8849def5cd2761c017c"
   }
  ],
  "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 33 pages has a marking section or mentions a part marking, and the p.2 dimension sketch shows a plain body (GRM155R71C104KA88-01A, all 33 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/grm155r71c104ka88d-datasheet.pdf",
  "sha256": "530d3a4bf8e67af48379d3d027c23f87d1433a5c59abc51d313dada0d9e4b031",
  "url": "https://search.murata.co.jp/Ceramy/image/img/A01X/G101/ENG/GRM155R71C104KA88-01A.pdf",
  "title": "Murata reference sheet GRM155R71C104KA88-01A, specifications as of Apr. 15, 2026",
  "retrieved": "2026-10-19"
 },
 "datasheet_check": {
  "overlay": "docs/verify/grm155r71c104ka88d-overlay.png",
  "numbers": "docs/verify/grm155r71c104ka88d-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": "GRM155R71C104KA88D.step",
   "component.kicad_mod": "C_0402_1005Metric_GRM155R71C104KA88D.kicad_mod"
  },
  "footprint_name": {
   "C_0402_1005Metric": "C_0402_1005Metric_GRM155R71C104KA88D"
  },
  "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"
 }
}