OpenTechnical

OT-2026-000047781

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000047781) never changes.

Identity and time

Publication numberOT-2026-000047781 · never reused
Internal UUID01a0ae7f-c420-7601-8a83-04a81975fbaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047781
StatusPUBLIC

Content hashes

Canonical text4dd2b4099535123652c43b0b088e9743ecea406f75da7e324974e39d2ef31409
Markdownba9cddce46aa751abef92e8d905848b17c6dbdb10a04ab78ef8e2fd805cfaec7
PDF
Publication page66c36d47afc2fbb9c9272b0308df75678e856c10063fe6b1e9ff1cc292b3bf0d
Manifest2564575066ec8527d0660e09f09f4d0a47cd2694a39728a1870de57283c88df3

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
Signature9Y8cERMyY5gbGeF/J268QTcgWwATHZtbwM/9jc1rKlk9c8YwOQvIz6TqtwYk7bncIPsJWlssENgjgV1T25aHCA==
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

2026-09-17T11:05:40.583540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047781
observed 66c36d47afc2fbb9c9272b0308df7567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.564984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047781/manifest.json
observed 2564575066ec8527d0660e09f09f4d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.546209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047781/publication.md
observed ba9cddce46aa751abef92e8d905848b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.528566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047781/publication.txt
observed 4dd2b4099535123652c43b0b088e9743...
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.