OpenTechnical

OT-2026-000011455

Publication integrity record

Foam pad vacuum gripper, two stage ejector, 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-2026-000011455) never changes.

Identity and time

Publication numberOT-2026-000011455 · never reused
Internal UUID01a0ae6c-88ff-7eb9-88d0-f935d9456288 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011455
StatusPUBLIC

Content hashes

Canonical textb666be1acf2b561ae69232d1140c0184736bfe8ba35596b58ac9434a20af8254
Markdowne6ccc1f91d5aca26c65ec3e69a3e16219bce4e1d01f06d5f74308727b7b76b33
PDF
Publication paged08ad99e63bfe418b0dbce9fc7f3d066797d5ebc858b530165d41bb7cba9af07
Manifestb519a31db8329f0e9ca543d257daa919005fef36e0de590e38812248a15b8a47

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
SignatureokjW0zzZ5mU5EOdfTkbhjTuSFbBBWrTiut/36YH4b4eBsO13ZGQXj0sjWl2eAhDWlJ0xlGpxzssPmN0cRWxIBg==
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

2026-09-17T12:13:13.104236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011455
observed d08ad99e63bfe418b0dbce9fc7f3d066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:13.084862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011455/manifest.json
observed b519a31db8329f0e9ca543d257daa919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:13.065601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011455/publication.md
observed e6ccc1f91d5aca26c65ec3e69a3e1621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:13.044733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011455/publication.txt
observed b666be1acf2b561ae69232d1140c0184...
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.