OpenTechnical

OT-2026-000076643

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000076643) never changes.

Identity and time

Publication numberOT-2026-000076643 · never reused
Internal UUID01a0ae94-b06e-777d-9751-2008d21838a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076643
StatusPUBLIC

Content hashes

Canonical text6bdae204140aa3ebf86c82818f1fafcd34b135d0d58b60f006c1fbfb217f1803
Markdowna55bff55b3eefb20442629a9b3f8cfc8c328f77c1b2d11751952b217dd88af30
PDF
Publication page1b594adc30479b59837ea5ca34867005845d7a0211d5da8c3e9f70fd000c002c
Manifest6fca107c9ab49d502d91350d5310c2ce104af73fa624e28f850623aeedb93473

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
SignatureQnqPilclzAHftRYsaBLKAiIZosEVM747XegPt44Brkv2lDmnPjHTZeTWjI7jcOorPJOIaz1W0gTR8lnzK6Q8Cw==
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

2026-09-17T10:09:22.858526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076643
observed 1b594adc30479b59837ea5ca34867005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.838741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076643/manifest.json
observed 6fca107c9ab49d502d91350d5310c2ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.818118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076643/publication.md
observed a55bff55b3eefb20442629a9b3f8cfc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.797413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076643/publication.txt
observed 6bdae204140aa3ebf86c82818f1fafcd...
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.