OpenTechnical

OT-2026-000031671

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, 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-2026-000031671) never changes.

Identity and time

Publication numberOT-2026-000031671 · never reused
Internal UUID01a0ae74-bad0-797e-92f7-0fe5fbb1f34d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031671
StatusPUBLIC

Content hashes

Canonical text6ba78c6af89f4917e21639e43a50fcd750bf5fdeea2f738da262a1ed06d3f215
Markdown6c2dad3dbf2a02e6b954cd46fcf46de5e5240461bd1f89d1b8211011f08919c6
PDF
Publication page57d7577c10b09b378453197e3d06820cc0c8931e950c934d7e65b47172928a53
Manifestf567a5eeb950bb6e2393c111545ff80eaa3ac32b5f2c39084ebb60f43d317fef

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
SignatureOatvQzJ8D8Mx7rSjTJ2r97h8rcP8xcNHgpf0ePVZeoGsYkysEj0RSAktYZ+nEir33fy7IHp/sVDzvpLF4HygCQ==
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

2026-09-17T11:34:46.123838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031671
observed 57d7577c10b09b378453197e3d06820c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.105216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031671/manifest.json
observed f567a5eeb950bb6e2393c111545ff80e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.085676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031671/publication.md
observed 6c2dad3dbf2a02e6b954cd46fcf46de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.067335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031671/publication.txt
observed 6ba78c6af89f4917e21639e43a50fcd7...
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.