OpenTechnical

OT-2026-000085391

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000085391) never changes.

Identity and time

Publication numberOT-2026-000085391 · never reused
Internal UUID01a0ae99-aaab-77e3-bb3b-bbb538edb03c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085391
StatusPUBLIC

Content hashes

Canonical texta1f9e752ea3cc69133156db9b5c74776755f74a9da078872ff3a84ac477cf009
Markdown8c15223d706dd85f058b59538bd75863a4a624039141d77dd150fcb83451b13a
PDF
Publication page8dc54c5470fc0213f34618527c2a6cd9cf8211461f9ad1b8a5fff4ed492e60eb
Manifest453f31b17665d38523ebd53f58204641f2fa71747a03b59612d505f888df39d6

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
SignatureuPNXBfsmab/4S5tvlYuN/tB2sQpCi2yQux25SkIPMklEvfI2ZRUWVOpy25Hj8t+BNJVptZbDIanEWbBT7PRRBw==
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

2026-09-17T09:54:09.393268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085391
observed 8dc54c5470fc0213f34618527c2a6cd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:09.373679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085391/manifest.json
observed 453f31b17665d38523ebd53f58204641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:09.353348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085391/publication.md
observed 8c15223d706dd85f058b59538bd75863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:09.333360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085391/publication.txt
observed a1f9e752ea3cc69133156db9b5c74776...
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.