How do you prove when shipping damage happened to your car?

You prove when shipping damage happened by fixing the car's condition at each hand-off with timestamped photos — one set taken at pickup, another at delivery — so a mark that is present at delivery but absent at pickup is dated to the leg between them. On transport.vin, custody is event-sourced: every hand-off is an event posted to one order record with its own timestamp, and both the pickup and delivery photo sets live on that record for both sides to read. Instead of arguing after the fact over a car that was "on a truck somewhere," you have condition-before and condition-after, each stamped with a time, and the difference between them is the evidence.

The reason shipping-damage disputes are usually unwinnable is that nobody wrote down the starting point. A car leaves with a driver, changes hands once or twice down a broker chain, and arrives with a scratch — and the only record is the driver's phone number and two people's memories. The carrier says it was there at pickup; you say it wasn't; there is no dated photograph to settle it, so the dispute collapses into whoever insists harder. The fix is not a better argument. It's a record made at the moment of each hand-off, before the incentive to shade it exists.

a custody chain, not a shipment

On this door the move is modeled as a chain of events, and custody — who is holding the car — transfers at named points, each one recorded:

1. quote — the car is still yours; nothing has moved. The price posts with its rate basis and an ETA.
2. booked — the carrier is named on the record, with the rate and margin and a pickup window. The car is still with you until that window.
3. picked up — custody transfers to the named carrier at your curb, and the pickup photo set posts, timestamped, before the car moves. This is the baseline: the car's condition, dated, at the instant it leaves your hands.
4. in transit — distance-to-done posts as the car travels. One carrier, one hand-off — no re-brokering down a chain you can't see.
5. delivered — the delivery photo set posts before you sign. Any finding new since pickup is stated on the record, timestamp against timestamp.

The two photo sets are the whole mechanism. Pickup fixes the before; delivery fixes the after; both carry a time. Because they sit on one order record that you and the carrier both read, neither side is relying on the other's memory or good faith — the record is the arbiter, and it was written at the hand-off, not reconstructed afterward.

timestamp against timestamp

What makes this decisive is that the comparison is dated, not just visual. A photo without a timestamp still leaves the "when" open — was that dent from the truck, or from the auction lot a week earlier? Event-sourcing closes it: the pickup set is stamped at the moment custody transferred to the carrier, so anything visible then was not the carrier's doing, and anything visible only at delivery occurred while the carrier held the car. The damage is dated to a specific leg of the move rather than left as an open question, and a dated finding is the thing a cargo claim actually needs.

This also disarms the oldest move in the dispute — the carrier you never chose. In a re-brokered shipment, the truck that shows up is often three hands removed from the company you booked, and when something's wrong there's no one on the record to answer for it. Here one carrier is named at booking and holds the car through one hand-off, so the party responsible for the leg where damage appears is the same party named on the record. There is no anonymous villain to absorb the blame.

what the record settles, and what it doesn't

Be precise about the seam. The custody record proves when and on whose leg damage occurred — that is what timestamped pickup and delivery photos establish, and it is exactly the fact a claim turns on. It does not itself pay for the repair. A finding new between pickup and delivery routes to the carrier's cargo coverage, and that is where the money comes from; the record's job is to make the claim provable rather than deniable. Separately, in-transit and day-one coverage can be quoted from the same record on file before the car ships, so the protection is arranged from facts already on file rather than bought blind.

There is one honest limit worth stating. Booking a move runs through a compliance gate — motor-carrier broker authority and the BMC-84 surety bond required of a transport broker — and until that clears, the door quotes but does not yet book. The custody chain described here is how a booked move records itself; the quote is live today, free and without an account, and the booking, with its photo-stamped custody, lights up on the record the day the authority does.

The through-line back to the door's whole purpose: everything about this car belongs on one record, and the move is no exception. The condition it shipped in and the condition it arrived in are two dated entries on the same page — which is why, when a scratch shows up in the driveway, the answer isn't an argument. It's a timestamp.

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Related:

• transport.vin — the custody record: quote, named carrier, pickup and delivery photos, each timestamped on one order.
• inspection.vin — a credentialed condition report by VIN, for the baseline before the car ever leaves.
• insure.vin — in-transit and day-one coverage, quoted from the same record on file.