OpenTechnical

OT-2026-000083261

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000083261) never changes.

Identity and time

Publication numberOT-2026-000083261 · never reused
Internal UUID01a0ae97-c963-7668-826e-b69e49766d20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083261
StatusPUBLIC

Content hashes

Canonical text2dff7f589ea769f518904d761f6d0012351a51d010dada782da7ddd721f22cda
Markdown6dca7c7fb3cf9905142eecc0405696c852f80ce56325192cbca164f7a6095fd0
PDF
Publication pageea0463241b28ec578f8558ae5d671bc12620e49ad59ace0821e9bcddd56ec3b0
Manifesteadb0ec3c7d76a2f6a9b6e9983400e2990a15a23ce6f7d99e18a0935012ece78

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
SignatureMZtc8AS3Zu9Nnm8pZysRJfOhSquhidOs2yqxaVHGHMQNxyb43tQC8Ksj49qeERBSdefatn8+MyIGzs3vN5kYDA==
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

2026-09-17T09:01:20.109571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083261
observed ea0463241b28ec578f8558ae5d671bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:20.089399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083261/manifest.json
observed eadb0ec3c7d76a2f6a9b6e9983400e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:20.069267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083261/publication.md
observed 6dca7c7fb3cf9905142eecc0405696c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:19.665565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083261/publication.txt
observed 2dff7f589ea769f518904d761f6d0012...
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.