OpenTechnical

OT-2026-000005757

Publication integrity record

Porous face vacuum gripper, per zone isolation, two outlet manifold, plant vacuum fed, open cell

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-2026-000005757) never changes.

Identity and time

Publication numberOT-2026-000005757 · never reused
Internal UUID01a0a943-caca-7476-a45d-a78848a3a540 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:47.469548Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005757
StatusPUBLIC

Content hashes

Canonical textc5c0c74b1122a83b4cb4825a7bd0716551141e001a3092d0d84548786c35456b
Markdownf3a3720c761b4c9eea4f1495165cd0d53a8c6f0dfda726949a68d7e625e32dad
PDF
Publication page33d5e12e8e4b68c9d20ae3298cc269444af6c79cc27d11082a5cfa293e569521
Manifest134c90ac27cee9ca1dc8e2b928de45422eaa9727179fe3d983e86e6559f28e26

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
Signatureem/29uleldC+V0ysWGmJHcXjU6NIAAJt42kTG9rvAkrkXMRRnTsRjrswl68GWaqcwuWV+kHixkDV9DGpOlAlCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:03.409395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005757
observed 33d5e12e8e4b68c9d20ae3298cc26944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.394661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005757/manifest.json
observed 134c90ac27cee9ca1dc8e2b928de4542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.379564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005757/publication.md
observed f3a3720c761b4c9eea4f1495165cd0d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.255400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005757/publication.txt
observed c5c0c74b1122a83b4cb4825a7bd07165...
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.