OpenTechnical

OT-2026-000016634

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000016634) never changes.

Identity and time

Publication numberOT-2026-000016634 · never reused
Internal UUID01a0ae6e-5918-7937-ad82-7a35c60225bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016634
StatusPUBLIC

Content hashes

Canonical textf2a88a1dcf6412f5a5446c3ab431bc473ac5543e0bf1847755ce6084572445d0
Markdown2b4ad481ac932026822492a7c28b05dd5959ab5364fcf511771d46c99d964c7b
PDF
Publication page465a5c2cec31a95fe810a729a86bca5601c1262e6f5c29cee60aab5605656a1a
Manifest6cf3d95288c63e24e7c133da26ffea989724521fad40a7af7d49a90246c47bee

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
SignaturetSdayLYQs+sf7umCRd4V7Do1FoxbMt1ndvebbtchipomyYT0sU8OqfD7m35uS0wnfDbZxd1yFUzcFnE3yTkXCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:49.635506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016634
observed 465a5c2cec31a95fe810a729a86bca56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.615615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016634/manifest.json
observed 6cf3d95288c63e24e7c133da26ffea98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.599279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016634/publication.md
observed 2b4ad481ac932026822492a7c28b05dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.581857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016634/publication.txt
observed f2a88a1dcf6412f5a5446c3ab431bc47...
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.