OpenTechnical

OT-2026-000011228

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000011228) never changes.

Identity and time

Publication numberOT-2026-000011228 · never reused
Internal UUID01a0ae6c-5410-7755-9589-e8f1650fba7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011228
StatusPUBLIC

Content hashes

Canonical textf0180661dd219bb63c3bab27b265e9d2d43c6e72152cbeb024f537ee609e958b
Markdownef120db28114f2195edbbba1ab2ac693457077ca1500db7c1694088ba83085de
PDF
Publication pagee4d0913e36158b83149cf71a12d59dd1610fbb9b31f4b2f5e2578d559a63579d
Manifestd16801b970a1fc61984f51e9635525b8a4f779043f55650a401a641a308acaab

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
Signature98CShcZsGC2VsnkYbYgJHt8hLhNedSe+Pbc5v53kTLp3V4Ned2xrMOYYbykD/jlIHXgi3CT4jI+5yMBveIYqDg==
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

2026-09-17T12:14:11.245181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011228
observed e4d0913e36158b83149cf71a12d59dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:11.225418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011228/manifest.json
observed d16801b970a1fc61984f51e9635525b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:11.205620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011228/publication.md
observed ef120db28114f2195edbbba1ab2ac693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:11.185022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011228/publication.txt
observed f0180661dd219bb63c3bab27b265e9d2...
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.