offers.vin
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offers.vin/7SAYGDEE9PF947496

2023 Tesla Model Y Long Range AWD.
The offer.

Σ value × weight = 504 ·504 mod 11 = 9 · position 9 reads 9

Decoded from VINSample record2026-07-17 10:04Check digit validBoth parties see this exact record

Any VIN, one addressoffers.vin/{VIN}

Check digit: a North American convention, not applicable to this WMI

The build, decoded

  • BodySUVSample recordPosted 2026-07-17 10:04Verified
  • Drivetrain4WDSample recordPosted 2026-07-17 10:04Verified
  • Engine5.0L V8Sample recordPosted 2026-07-17 10:04Verified

What the seventeen characters certify

  • Check digitPosition 9 reads "9": the other sixteen compute "9"ISO 3779 · 49 CFR 565.15(c) check-digit mathVerified
  • Validation regimeNo mandate established, validated structurally, fail-open · Oceania 7 block, historically New Zealand, with attested US assignments (7SA/7FC/7PD/7JR)ISO 3780 allocation history with observed drift (vindex wmi-structure, vin-84j.26): the region map never hard-fails a VINReported, not yet verified
  • Manufacturer idWMI 7SA: positions 1–3ISO 3779 VIN structureVerified
  • Model-year codePosition 10 reads "P": the 2001–2030 code table reads 2023ISO 3779 model-year tableVerified
  • PatternSquish 7SAYGDEEPF: positions 1–8 + 10–11The ambiguity scope observations post againstVerified

Under seal: the free rows above are real and stay free.

The history: under seal
  • Title chain and brand events
  • Odometer records
  • Owner count
  • Open campaign status
The market read: under seal
  • Retail and trade figures
  • Comparable transactions, counted
  • The valuation band, dated

This record, posted across the family.

Every line is a posted fact at its own address.

For the agent you send.

The agent reads the same record you do.

Same two routes, three representations: the numbers never differ between them.

Three representationsoffers.vin/7SAYGDEE9PF947496
1curl https://offers.vin/7SAYGDEE9PF947496 -H 'accept: application/json'
2 # the record as typed evidence objects
3curl https://offers.vin/7SAYGDEE9PF947496 -H 'accept: text/markdown'
4 # the record's markdown twin
5curl https://offers.vin/7SAYGDEE9PF947496
6 # this page
On this host
  • Motionsb2a2cAn agent acting for a consumer: everything it does survives being shown to them afterward
  • Machine surfaces/llms.txt/icp.json/.well-known/agents.json
  • One MCP serverapis.vin/mcp serves the whole platform: every door’s tools in one server, each result carrying its door’s URL.
  • AttributionX-Client-Type: html | md | json | mcp names which reader arrived; it never changes the record.

Every door, this record.

The same seventeen characters, read at every address.