OpenTechnical

OT-2026-000104152

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000104152) never changes.

Identity and time

Publication numberOT-2026-000104152 · never reused
Internal UUID01a0aea5-341f-77bc-a5d2-d5a1984861ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104152
StatusPUBLIC

Content hashes

Canonical textc11fb8ae0d67618190b091b1bee408f94ab63004dec44be1e1676a7dc6cf9637
Markdowne1f30fa14955ab9da506bf23c95257cc2a3f649ae6c791f8b81a8388aecae8e1
PDF
Publication page60f9d2e925c9a8e2f1f34e69dce3fbf6337fa50b3897c23e18614ff575702d3f
Manifestf8ac309cc989930e806fa54e8b789aa828d20c5bdfa64e7119392c044f78fdd7

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
SignaturesH+mI3bo3rXWPQg+XFXMraOjhGTdS2R4itQuhMGkR4SeXhsPWxZnyGvC7yT0q6CAu86AAzR/st9BTsKmCHmUBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:14.352126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104152
observed 60f9d2e925c9a8e2f1f34e69dce3fbf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.335584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104152/manifest.json
observed f8ac309cc989930e806fa54e8b789aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.317048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104152/publication.md
observed e1f30fa14955ab9da506bf23c95257cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.299187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104152/publication.txt
observed c11fb8ae0d67618190b091b1bee408f9...
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.