OpenTechnical

OT-2026-000008190

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off after 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-2026-000008190) never changes.

Identity and time

Publication numberOT-2026-000008190 · never reused
Internal UUID01a0ae6a-908c-76b2-a6ad-00ec46415e8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008190
StatusPUBLIC

Content hashes

Canonical textf2d95c811748ffdc56748175b820496a8de8611d194740f50c3132e085e19d0d
Markdown4f9fd3f4f488f9795e92a710f183448abe8f2e42417ca7b3c806aecab01cbd32
PDF
Publication page35449f180f111e12cb3d329d4bdafedd7014e850787d26109552d7f5f92c28fc
Manifest996be04c00790d23c20cc72675deb6e60688e049be43b97b82030d6cef622d28

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
SignatureF929Y81P9Zs8/TSnyhQMg+Bj70+C1qB7s1q9FK6mdFGupKqAB+ikzIQ8vCAf5WXci9B7PnqK7vfGhSPkZWdkCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:33.539769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008190
observed 35449f180f111e12cb3d329d4bdafedd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.521998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008190/manifest.json
observed 996be04c00790d23c20cc72675deb6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.505387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008190/publication.md
observed 4f9fd3f4f488f9795e92a710f183448a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.487829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008190/publication.txt
observed f2d95c811748ffdc56748175b820496a...
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.