OpenTechnical

OT-2026-000076223

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076223) never changes.

Identity and time

Publication numberOT-2026-000076223 · never reused
Internal UUID01a0ae94-6a6f-7ae4-b103-325bf8a9ec99 · 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-2026-000076223
StatusPUBLIC

Content hashes

Canonical textf00fce58b5b6a53c75d252870caad8d167bb693938996ecd9fad4647d6402e99
Markdown6fffb6fc184490f9cdf550001cbc8c8e9e1266fa53bccdf71f88b5b032dec824
PDF
Publication pageb826d551119458d974d5850a49d20e7b99c8994a444bde5dd3b124df4ef78d28
Manifestcdbcc44a697fd5be8804dc02b1ea7ea46b74221cf5692c3dfe2fa1da8dc34db9

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
SignatureFIDF75m/yfZpz/hLYEZzqEp1bIJiNlp9qFe7MRBr2eh3Um8oaetME/B0mFA+t9NxuczJ4ewctAo9SySQZmeXDw==
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

2026-09-17T10:11:37.944455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076223
observed b826d551119458d974d5850a49d20e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:37.805397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076223/manifest.json
observed cdbcc44a697fd5be8804dc02b1ea7ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:37.787656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076223/publication.md
observed 6fffb6fc184490f9cdf550001cbc8c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:37.770678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076223/publication.txt
observed f00fce58b5b6a53c75d252870caad8d1...
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.