OpenTechnical

OT-2026-000006950

Publication integrity record

Porous face vacuum gripper, per zone isolation, two stage ejector, closed 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-2026-000006950) never changes.

Identity and time

Publication numberOT-2026-000006950 · never reused
Internal UUID01a0a96d-620f-79f6-9daa-6962a4f186e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:55:13.170055Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006950
StatusPUBLIC

Content hashes

Canonical texta51505b6ea313cecd244f7141caace60d7835e4244c052806867a3005850795b
Markdowncdcb32249cb9bf3d3a33166b0629f9c4ff5d032803865f9785c2aae42517a10f
PDF
Publication pageb621e85f696a735815c9bc5fc89f08daea50d2c33a7509bc7c13d40db974dc86
Manifestfda3bd9131c63314f6db2cafbd2c48f94dc38f8ccba33d29de138b924103fdbd

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
Signature1laLTUx8UrglX0XHxIO2/uHMFaI5K1skOLxay91dRY1oh3JmFEO2cSucMGkgmJybtGYOGeBVtZs95s7GzUrYBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:18.657493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006950
observed b621e85f696a735815c9bc5fc89f08da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.643549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006950/manifest.json
observed fda3bd9131c63314f6db2cafbd2c48f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.629001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006950/publication.md
observed cdcb32249cb9bf3d3a33166b0629f9c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.491618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006950/publication.txt
observed a51505b6ea313cecd244f7141caace60...
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.