OpenTechnical

OT-2026-000063842

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000063842) never changes.

Identity and time

Publication numberOT-2026-000063842 · never reused
Internal UUID01a0ae8d-53b7-77a5-9ed8-965dbcf1cf42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063842
StatusPUBLIC

Content hashes

Canonical text967aeb1c2fed703cf8f5f015e57b960f8106e6d445ee995ec28d5fa62b0a6c85
Markdown767528351fa0d3bdf77e1fc66df9c03e8e7e849e53d21982541041a7b293750a
PDF
Publication page21b126702cda6bd791514e1a5e19e22013667bb42c511f9e7c936b0dee6d7f1a
Manifest5464094323e60f007e9a71d148fd23c797c808c8acb018fb8f654c97388bc292

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
SignaturegsWqQbDImP+YMl5YR+AKIHPdBsoUOjC8J7VHkOEFqYLjWt3htYq+IJszobfIOsveT1idv+XK9uAQn+WNawnsDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:52.210346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063842
observed 21b126702cda6bd791514e1a5e19e220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.189500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063842/manifest.json
observed 5464094323e60f007e9a71d148fd23c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.172017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063842/publication.md
observed 767528351fa0d3bdf77e1fc66df9c03e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.154414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063842/publication.txt
observed 967aeb1c2fed703cf8f5f015e57b960f...
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.