OpenTechnical

OT-2026-000076501

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000076501) never changes.

Identity and time

Publication numberOT-2026-000076501 · never reused
Internal UUID01a0ae94-6a71-72a6-8d36-b6ece2e45b2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076501
StatusPUBLIC

Content hashes

Canonical text7f8e6b319ecd3ef84cf0def7edf80927001de75ca06dc22383274609f3dcef7f
Markdown3a9486e4378a207ab7f6479bf3416274fa3cc7166d9b7d514db807922ed38c33
PDF
Publication pageb929260b8669798af7a75d6e56cfa2bb471283c120bccea1c2f9b619f94ae62e
Manifest57e3a711960bbd76aa57893bb2408d0551e4976c0de779a50d6f4abfa92cfc64

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
SignaturejYEw9y2LkP7p89O6RyLoYRdENU3X3ECF+Lwj0lFGrRNZIeG7LJgAXMFWShnLa39OG+2L+vW4ecSiRisUt/HmBw==
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

2026-09-17T10:12:46.509418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076501
observed b929260b8669798af7a75d6e56cfa2bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:46.490030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076501/manifest.json
observed 57e3a711960bbd76aa57893bb2408d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:46.466633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076501/publication.md
observed 3a9486e4378a207ab7f6479bf3416274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:46.444946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076501/publication.txt
observed 7f8e6b319ecd3ef84cf0def7edf80927...
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.