OpenTechnical

OT-2026-000063638

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum 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-2026-000063638) never changes.

Identity and time

Publication numberOT-2026-000063638 · never reused
Internal UUID01a0ae8c-f945-7f12-b4bb-ca90ac70a4ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063638
StatusPUBLIC

Content hashes

Canonical text668137958dad0569efb43aa584152a14aed10633c68d97520685ac8fa32628c6
Markdownc7a2022f8915b0df57e42aba5680c1812d545b7168a53f0c7d25fd7f55941334
PDF
Publication page7745249bad63788a8bfc3592b7858c26f71b2573b9d9dad518bdcc7822e4a3e7
Manifest38e8dc5af296b1006eada8db25054d6f4827649c5d7233a76d29d03db7f39b46

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
SignatureHbaGCZ5ArY4SqHugYNSqgWvkZTu1E6t1dNmo5d8pJ5AjePA1cttZhqMo5kCv/iBdTgMSRQMI681K6P3KIObyCw==
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

2026-09-17T10:37:44.412371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063638
observed 7745249bad63788a8bfc3592b7858c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.393495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063638/manifest.json
observed 38e8dc5af296b1006eada8db25054d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.374293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063638/publication.md
observed c7a2022f8915b0df57e42aba5680c181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.355147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063638/publication.txt
observed 668137958dad0569efb43aa584152a14...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent