OpenTechnical

OT-2026-000092171

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, sustained 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-2026-000092171) never changes.

Identity and time

Publication numberOT-2026-000092171 · never reused
Internal UUID01a0ae9d-875a-78f1-9053-41428952e5e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092171
StatusPUBLIC

Content hashes

Canonical text9d3dd760c83a69e3ef460ee6a7091be112077567fb7f1fb4746dcbce879b4daa
Markdownefbeb947b6c10687bf10140c4dd7ecebff7a496d163f2275f244a68b977cf9da
PDF
Publication page487edbfea5847a8fe063eec13b991601739fa5e8c8c77bdf8496f97b7cc30c8e
Manifest6df3791a9f69ed93d86083452237cd3883dfb4cdaac637577daa58587b21a5e0

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
SignatureLkrOn3b1NaocdjCVZYgdgHFcbOlQaMaWrChb+N7H/i7bF82Q8+z6nt+SSWgi+lBN+j0IejCZRni19/R3xBbYBQ==
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

2026-09-17T09:41:38.967270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092171
observed 487edbfea5847a8fe063eec13b991601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:38.949293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092171/manifest.json
observed 6df3791a9f69ed93d86083452237cd38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:38.932165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092171/publication.md
observed efbeb947b6c10687bf10140c4dd7eceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:38.915791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092171/publication.txt
observed 9d3dd760c83a69e3ef460ee6a7091be1...
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.