OpenTechnical

OT-2026-000068533

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000068533) never changes.

Identity and time

Publication numberOT-2026-000068533 · never reused
Internal UUID01a0ae90-2482-7275-a2d6-f7b4630da0e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068533
StatusPUBLIC

Content hashes

Canonical text2565c28ddb873306dbada65548955c80d295079bdb26258d0b946a1e27a389e0
Markdownac612961fc98e87a93f78f667b97b42f97fc889bb8a3a356bcf4a738c96f16dc
PDF
Publication pagee294931d989f49edecc9066a077ce43aa9b51a96dc99192b1b78cf16dd837fc4
Manifestbb848fcd6aa4085bdf935c4612103527c1230972bce6a052496dd11f30897585

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
Signatureiscq0em98hIBfZFDpAdIpcfZb8qzq5GjL3Vl/SNawozG5RjwYAal/y1KB9MczXDC+pHeg9qXBaLf7rLQ+hkFBA==
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

2026-09-17T10:29:41.716168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068533
observed e294931d989f49edecc9066a077ce43a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.699164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068533/manifest.json
observed bb848fcd6aa4085bdf935c4612103527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.681795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068533/publication.md
observed ac612961fc98e87a93f78f667b97b42f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.665626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068533/publication.txt
observed 2565c28ddb873306dbada65548955c80...
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.