OpenTechnical

OT-2026-000095981

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000095981) never changes.

Identity and time

Publication numberOT-2026-000095981 · never reused
Internal UUID01a0ae9f-fac8-75ee-a060-6f3069029159 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095981
StatusPUBLIC

Content hashes

Canonical text63837f33322c5fada9e1e8ee428630fce3b9910423360f9467583de56341fd3b
Markdown6cfcafdf2c3b23b719414fbc3e6ac78b0129c9c38353234d08d2e88d3a9b9d9e
PDF
Publication page96e451a82585fa4f4dd1a72ae4be48c405be5746edb485a63eccab6994c631f7
Manifest7939624b26ea693756951648bb3c03b9557f71f60ef98dd544e866ebb5c5474b

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
SignaturevGYMPYYe6OY19cHOSamoVeittNxjINLGCujx35d7laeHAQ4cuWG3vsM0dzgArvCIYb3dxGoulec+lANDNVbpCQ==
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

2026-09-17T09:36:06.285942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095981
observed 96e451a82585fa4f4dd1a72ae4be48c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:06.266695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095981/manifest.json
observed 7939624b26ea693756951648bb3c03b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:06.246436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095981/publication.md
observed 6cfcafdf2c3b23b719414fbc3e6ac78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:06.225777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095981/publication.txt
observed 63837f33322c5fada9e1e8ee428630fc...
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.