OpenTechnical

OT-2026-000076125

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000076125) never changes.

Identity and time

Publication numberOT-2026-000076125 · never reused
Internal UUID01a0ae94-6a6e-7917-929d-5be3c636bb07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076125
StatusPUBLIC

Content hashes

Canonical texta5864f2604b3a21115550d98d6d0378d235471a81c10423c88382289e481ead8
Markdown72636de5740d9654251e6cd8d2acaf55929dc86854b9c0b216d80740c7f1968b
PDF
Publication page90e069e778db7d291214e81b4121f856cdd8c52171a9c58aab1e1d2b9909e48d
Manifestb4d6839b86621d8d1a821e639cfe9d792038f3d3c76b88c3ce8d11af19cb882f

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
Signature+L/P+mtOZ+adz9fPvVc4ett3EYlE9WEJKsETCx7Re23MzxGmJEzMeMfQzkLhKos/Qmpx8KfBxuOECL1XtlBcDw==
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

2026-09-17T10:11:06.478953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076125
observed 90e069e778db7d291214e81b4121f856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:06.461607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076125/manifest.json
observed b4d6839b86621d8d1a821e639cfe9d79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:06.443359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076125/publication.md
observed 72636de5740d9654251e6cd8d2acaf55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:06.304294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076125/publication.txt
observed a5864f2604b3a21115550d98d6d0378d...
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.