OpenTechnical

OT-2026-000005992

Publication integrity record

Vacuum cup gripper, two stage ejector, contact triggered on the face, vented before set down

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-2026-000005992) never changes.

Identity and time

Publication numberOT-2026-000005992 · never reused
Internal UUID01a0a94b-94f6-70a7-ab74-a6abed57b587 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:18:17.977418Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005992
StatusPUBLIC

Content hashes

Canonical text0bc5c16dfefc5a5f74631bc0c42aeceb3cc639962de65f9573f09b89f1b3d382
Markdownca76aaf2de5743eff9cc0f4d28f755a266c98d6c7540cc67af99ed3b339f547d
PDF
Publication page350d19c941f3c6264fd5747a646c1e32bfed4241d8c5b84656221a97ff93b951
Manifest86ba630fa8ba551d9b61cdd3f22248b6364caa5b74856fda4696ea1d28294fb0

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
Signature75RWj0vaN2TktxL8SmsI/8dxHQmdOGpIwF9TeGIdX7C084VJwoKLwlNDkYG9H9esJa4P+HiEqsM+pbAzhZLWCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:08.458690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005992
observed 350d19c941f3c6264fd5747a646c1e32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:08.441945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005992/manifest.json
observed 86ba630fa8ba551d9b61cdd3f22248b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:08.422554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005992/publication.md
observed ca76aaf2de5743eff9cc0f4d28f755a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:08.409305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005992/publication.txt
observed 0bc5c16dfefc5a5f74631bc0c42aeceb...
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.