OpenTechnical

OT-2026-000084414

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000084414) never changes.

Identity and time

Publication numberOT-2026-000084414 · never reused
Internal UUID01a0ae98-5b62-770e-86ad-0442031ff6dc · 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-2026-000084414
StatusPUBLIC

Content hashes

Canonical text97eafdc14fd384286da8e8f4f8176b8086c82cb9f35ce4bd09b5b824e6c81fff
Markdowne431d555e9f1fde98a608026469fc6c92d5ffc15f631e49a0ef5c506bd53a028
PDF
Publication page2b92d23401fc1cb5f2afcf651b2c151197d83f8f6eb578173031a5e55f3e3707
Manifest851abe2bc3320baedb7256cec85bf1b2f3308c9db4bed9ac55737ad5e111627a

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
SignatureHhSsvgpP+ScIDRLnGd91fNEthLcLc9CXasO7rINm0NT2ZUZ3/+Bz9aNORp2rX5o1DN/jzE/nIO3RH+ug2P9wCQ==
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

2026-09-17T09:56:21.761983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084414
observed 2b92d23401fc1cb5f2afcf651b2c1511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.745403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084414/manifest.json
observed 851abe2bc3320baedb7256cec85bf1b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.729186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084414/publication.md
observed e431d555e9f1fde98a608026469fc6c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.712330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084414/publication.txt
observed 97eafdc14fd384286da8e8f4f8176b80...
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.