OpenTechnical

OT-2026-000016111

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000016111) never changes.

Identity and time

Publication numberOT-2026-000016111 · never reused
Internal UUID01a0ae6e-2d10-7ec0-9a09-571eaa707bdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016111
StatusPUBLIC

Content hashes

Canonical text88c74f7b5f96a3636642682f413e43f76d927f8eec816bd046bb2f825335788b
Markdownbc38d9e2fa9de05d490536c9afbb4009bb2ade68281798512a6a6264df3c068a
PDF
Publication page7406899a6ea2e0735a07f9e2fefbf2128e264a667f84122a6f8bbbc95eaf87a0
Manifestaa0bc16edd51a3d1c75ce66223e5aacd4a006033e052507b886f1eefa1653b3f

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
SignatureFJs3/bC7yuBCn5GxcCaXsjEDLj15EXJevT2e7WoPPZGqnJF2kiL/AnM4QW+4HJPmB42jaU3oUh4533IVgGSrBQ==
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

2026-09-17T12:03:32.348760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016111
observed 7406899a6ea2e0735a07f9e2fefbf212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:32.333008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016111/manifest.json
observed aa0bc16edd51a3d1c75ce66223e5aacd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:32.315279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016111/publication.md
observed bc38d9e2fa9de05d490536c9afbb4009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:32.298346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016111/publication.txt
observed 88c74f7b5f96a3636642682f413e43f7...
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.