OpenTechnical

OT-2026-000033128

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000033128) never changes.

Identity and time

Publication numberOT-2026-000033128 · never reused
Internal UUID01a0ae75-4844-7967-8221-2d86bff04e69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033128
StatusPUBLIC

Content hashes

Canonical text6b279c84036ebecd38f47188b7a39bd706f1e4fff21d309461399a295d88ac44
Markdown9697e91eaf44502c928ef300dbced78f05d6ea3a4c9189c06877ade1cb8ae311
PDF
Publication page766291516e3e526003219b91e548befe34580d002e59eb7854c1091fc6c89747
Manifest24cc633753c41ab8a895871f888c1ef961e4ea126ae5cecfa2940af71f7a5d59

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
SignatureRn2RcUTzwaIBZsVcO1goIO7y8GkvaCMbdTwuKdr0u+R0gQ3CObAEVaX99HbRho4MOIm+rgLKEZwJhEtbewpvAA==
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

2026-09-17T11:32:48.511183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033128
observed 766291516e3e526003219b91e548befe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:48.491792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033128/manifest.json
observed 24cc633753c41ab8a895871f888c1ef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:48.473105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033128/publication.md
observed 9697e91eaf44502c928ef300dbced78f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:48.455293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033128/publication.txt
observed 6b279c84036ebecd38f47188b7a39bd7...
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.