OpenTechnical

OT-2026-000049208

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000049208) never changes.

Identity and time

Publication numberOT-2026-000049208 · never reused
Internal UUID01a0ae81-134f-7006-892d-2d1800acdb11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049208
StatusPUBLIC

Content hashes

Canonical texta0991db4fff321ea200bd19e0f962e52d61a947a3bbb3bb01f78a68e32a9eb0d
Markdownfe7299041a1cae48f3482f898a3bb23e46ddbd01af17408525cff4fc86c6c826
PDF
Publication pagebd9968fb126e1ac7149703ab8335a024699184ad1a918feadcd53a5c42c1afe9
Manifest5a58013454cb34e806be382afec293ab83bab27e7c2165f5ba734a2efe566861

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
SignatureigfhSkpWjniJ/HaT3YRxe0lFvFqnzlAqyBsKSZVfqIYmmOGcmA438ge3Lw91u7RTA/4i/65kIoESgjsqhi2kCA==
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

2026-09-17T11:04:01.420394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049208
observed bd9968fb126e1ac7149703ab8335a024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.400232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049208/manifest.json
observed 5a58013454cb34e806be382afec293ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.382728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049208/publication.md
observed fe7299041a1cae48f3482f898a3bb23e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.364529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049208/publication.txt
observed a0991db4fff321ea200bd19e0f962e52...
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.