OpenTechnical

OT-2026-000099090

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000099090) never changes.

Identity and time

Publication numberOT-2026-000099090 · never reused
Internal UUID01a0aea2-8287-7c2a-8851-b0eab2f61439 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099090
StatusPUBLIC

Content hashes

Canonical textd7949d4c26633d9df2ee723c57a69ef47ee60ef153c8209cb1e8cdc67856669e
Markdownfb75eae26abb49cdc9fc3c701fe26efe4c670e4531354af25cfe6e107827a580
PDF
Publication pagedc5bbb221c20a4772976af9c0db562a3887bae1de2b311c3f6c5045b56e68236
Manifest40393c03fb89cd87267551c51429eebb574102ee1fb272f50ce72fd04347c09e

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
SignatureqyXoRPOR29EqxnBDocLhDezR9jQZ8OOskek2GVq7EKNRNrj9J2tOSdHRLjGeh0UCez88td75GrO7yCXqibRyBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:19.583318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099090
observed dc5bbb221c20a4772976af9c0db562a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.563132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099090/manifest.json
observed 40393c03fb89cd87267551c51429eebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.539779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099090/publication.md
observed fb75eae26abb49cdc9fc3c701fe26efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.519867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099090/publication.txt
observed d7949d4c26633d9df2ee723c57a69ef4...
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.