OpenTechnical

OT-2026-000007447

Publication integrity record

Vacuum cup gripper, per zone isolation, three outlet manifold, two stage ejector, rubber cups

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-2026-000007447) never changes.

Identity and time

Publication numberOT-2026-000007447 · never reused
Internal UUID01a0a97f-1ffe-74a5-b32e-4c987740eb92 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:14:35.904678Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007447
StatusPUBLIC

Content hashes

Canonical text095fde31f30ebc594599505874aaca2d27676e8e21a856a4f9d7e0a49c86da06
Markdownad244b8bc3e7ddf4a865be33a8594d92eed2a8b5dc072280c17e5af569c437a8
PDF
Publication page864362ff62fd2383280c0ed0387eb45e1f7a9158ef2afcb3f8f67fd4c899d4ac
Manifest2212ec35a55179e8d1bf34620f4fc7e9987acc878eb11a525ad43ffcad398af2

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
SignatureGUXpmdjSX3hPIiA0A8ZtNwUof/gZBQWwwOqOlXefSh4dhG60vP01DbaL3j+KuXQyDARXFxAhcW/FrrQxub55AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:04.880412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007447
observed 864362ff62fd2383280c0ed0387eb45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.867312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007447/manifest.json
observed 2212ec35a55179e8d1bf34620f4fc7e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.854724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007447/publication.md
observed ad244b8bc3e7ddf4a865be33a8594d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.841631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007447/publication.txt
observed 095fde31f30ebc594599505874aaca2d...
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.