OpenTechnical

OT-2026-000076790

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000076790) never changes.

Identity and time

Publication numberOT-2026-000076790 · never reused
Internal UUID01a0ae94-b070-762f-a7c4-f8b462ff761d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076790
StatusPUBLIC

Content hashes

Canonical text26c339fde4deb052b66c8da455f64d57bc6d40b7d59e7e1af688db954106ee5e
Markdown573cbfa457782deb4f3646e8b8a4679dba94f2ebcd68e3707d34cf6d741268f8
PDF
Publication page1cc4f668094a1964a70ea7724f5aa4a119a97a33b9b84352ab2677f523fe8435
Manifest9e220dca8071b5b418b9c0128fb83eb8199fb86fdafb2e555545c31e38a1fdb5

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
SignaturemvW/UPkUFzv06YuYFFYyNu2sk8Tc65H4V5KWRZAr02IA9BtcsRK/027jHJYNJYYEopHoERdVZssWzJYTRdxiDg==
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

2026-09-17T10:09:39.241735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076790
observed 1cc4f668094a1964a70ea7724f5aa4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:39.222862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076790/manifest.json
observed 9e220dca8071b5b418b9c0128fb83eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:39.202593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076790/publication.md
observed 573cbfa457782deb4f3646e8b8a4679d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:39.184485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076790/publication.txt
observed 26c339fde4deb052b66c8da455f64d57...
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.