OpenTechnical

OT-2026-000014014

Publication integrity record

Foam pad vacuum gripper, single 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-2026-000014014) never changes.

Identity and time

Publication numberOT-2026-000014014 · never reused
Internal UUID01a0ae6d-8deb-79a3-85ad-b245c35a2580 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014014
StatusPUBLIC

Content hashes

Canonical texteefb6884a04f1d9e728043e35b4657a7e6c655207459f2d47536e60eab272978
Markdown4a646901ec4c20df1d91a941eb46e25823bf65bdbe01bbf06dec00a61084e047
PDF
Publication page92ba1054066f423a3328a2ab0e8f41be34487b48fd17b53d8fa943c9509c715e
Manifesta73637a8182c5f720ed47af7956b05fbcf2204cb3aab7ff917a0dd756071fd06

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
Signature4xqaZ+VxtNWcbW/XodiI82cyVqmvNgW7fyrz16hOiH2JrrryvpLLgYnZmrsSyMhkHAcRxMmvaufspvzCjqPzAw==
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

2026-09-17T12:09:14.347627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014014
observed 92ba1054066f423a3328a2ab0e8f41be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:14.327175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014014/manifest.json
observed a73637a8182c5f720ed47af7956b05fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:14.305894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014014/publication.md
observed 4a646901ec4c20df1d91a941eb46e258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:14.286821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014014/publication.txt
observed eefb6884a04f1d9e728043e35b4657a7...
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.