OpenTechnical

OT-2026-000066967

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000066967) never changes.

Identity and time

Publication numberOT-2026-000066967 · never reused
Internal UUID01a0ae8f-14fd-729c-986e-9943eef05339 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066967
StatusPUBLIC

Content hashes

Canonical text9a23d521cbcf9e7739842c03b472405941402dbd2fcbe8b9efbacdef793e3293
Markdown1abde689f16350e6f6ca8806a575ff99fe97dc543ae59d62505733886c61a110
PDF
Publication page407be18242ad98b16351cdccdf7504dc53e075823a89c130fcd00a5a6b5a1108
Manifest6a21739dea39bcab404f2c3159b2c1d910ae2d1bd0fde20eec8ba01fca0dd316

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureGtht0W/6E0diwIha3VFo/fvPafiOaikxIG9oRnYABD/1VTVyOtSkhMXiaKCvkgdk4lLHRGgjnZEvVegDRGHRDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:11.223288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066967
observed 407be18242ad98b16351cdccdf7504dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:11.204452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066967/manifest.json
observed 6a21739dea39bcab404f2c3159b2c1d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:11.184883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066967/publication.md
observed 1abde689f16350e6f6ca8806a575ff99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:11.166992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066967/publication.txt
observed 9a23d521cbcf9e7739842c03b4724059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.