OpenTechnical

OT-2026-000007724

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000007724) never changes.

Identity and time

Publication numberOT-2026-000007724 · never reused
Internal UUID01a0ae62-843f-791f-9253-9a9685b2c2cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007724
StatusPUBLIC

Content hashes

Canonical text8aed4b81b32742f16fc3e6db688c79e204f2511f257db34d28a7f2f6639c52e4
Markdown243b4b408abcf77be03fae93fc833c8fd4906ce8af636734a3cf74807e83d478
PDF
Publication pagee27b3b47563df3bfc214fa96016436d8fc32d6587b7fb7859a34640ae5003ac6
Manifest286b571210e6e173d9fd6a9a7cfbc75f8d1e00f433e26233a778e4b7058f1c0f

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
SignatureCwK5OjD48sPic+aq7W27bL9KO6AYPHndzwrcC2IOiG+RkunIN3W/Mm02MpU/5Cuc35+hE6710VvCX2H+jrGkAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:06.812338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007724
observed e27b3b47563df3bfc214fa96016436d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:06.794507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007724/manifest.json
observed 286b571210e6e173d9fd6a9a7cfbc75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:06.774688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007724/publication.md
observed 243b4b408abcf77be03fae93fc833c8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:06.752137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007724/publication.txt
observed 8aed4b81b32742f16fc3e6db688c79e2...
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.