OpenTechnical

OT-2026-000029598

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000029598) never changes.

Identity and time

Publication numberOT-2026-000029598 · never reused
Internal UUID01a0ae73-5e22-7e4f-b00e-f91435377273 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029598
StatusPUBLIC

Content hashes

Canonical text6265c2cf5561b5378b57f92a001616c4cd049103183391e7c32c53f5d761b111
Markdownceaa023038d7473526943f242ea1179fce8d3ab94f9806e0ae8e9c887b81c5da
PDF
Publication page3654bc2b54d1a2097de246d46e8c5d12960a1e44395f88d7032e8eff6122aee4
Manifest77d96951242ae6952c7eeb0c1689f1300b739b33d189604da2e070ec034d5a7c

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
SignaturezQLlc6OQodqWpevUR0OzK35u1qjOOVvWdgx9K6aE2ONDJiHOKRcZb3pPct4KXa+cQDSMSU9vBxkCqPL9sxFjBQ==
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

2026-09-17T11:39:17.969717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029598
observed 3654bc2b54d1a2097de246d46e8c5d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.953249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029598/manifest.json
observed 77d96951242ae6952c7eeb0c1689f130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.934950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029598/publication.md
observed ceaa023038d7473526943f242ea1179f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.918695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029598/publication.txt
observed 6265c2cf5561b5378b57f92a001616c4...
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.