OpenTechnical

OT-2026-000084314

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000084314) never changes.

Identity and time

Publication numberOT-2026-000084314 · never reused
Internal UUID01a0ae98-5b61-7844-98ff-9b68165cc07d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084314
StatusPUBLIC

Content hashes

Canonical text881758a54f11ff5f35813130a2d1c86b592871be57b4c0ff307415e5371074c9
Markdownb82e73fb0011327be7d36742bf91dea75228abc5820332558f36cbd670558c61
PDF
Publication pagece898e23960314fb2d615a39e5e2db516ec8f55626306093283d68d6c23c519c
Manifest2853d836ccdd49ce90c15c42eca831f784956429c82e441f93c956d885e36a0d

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
SignatureU4203QS0DcXR6PGLWWUBVqRtoIBVlRzQIFeH9g8RjdT9wxrEuHfM37bVkqoKmUg6NOVV5LW+/g2wYSMsnxOWDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:14.241935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084314
observed ce898e23960314fb2d615a39e5e2db51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:14.224037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084314/manifest.json
observed 2853d836ccdd49ce90c15c42eca831f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:14.206846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084314/publication.md
observed b82e73fb0011327be7d36742bf91dea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:14.189589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084314/publication.txt
observed 881758a54f11ff5f35813130a2d1c86b...
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.