OpenTechnical

OT-2026-000075775

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000075775) never changes.

Identity and time

Publication numberOT-2026-000075775 · never reused
Internal UUID01a0ae94-29fe-7e99-b592-50491a57e5b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075775
StatusPUBLIC

Content hashes

Canonical text9bd76f89ae28f9d0254e6fde776de49268dfb1019608dc3e0ae09e5a760a19eb
Markdown894777bce0dac67d1fa295cbd201c9b46f0a93297d7b16f5b94351f5058b366f
PDF
Publication page0014e2f0e10a187a17ade57a49e7cc64a579ede2f1477d220bd2d34f87807117
Manifestd0e6ab4601ab245eea847e9dfacacb279a29b3e7edd66175f3a88a9a8473fd7f

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
Signatureci++ap0GcqEfJB4LWcd27KpvPhQver547573QkRRxytV+MV9FaZ80rjPcDRljXXDBqwMGZXs+sYWheuKNlwmCQ==
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

2026-09-17T10:14:11.277785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075775
observed 0014e2f0e10a187a17ade57a49e7cc64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:11.258044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075775/manifest.json
observed d0e6ab4601ab245eea847e9dfacacb27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:11.239228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075775/publication.md
observed 894777bce0dac67d1fa295cbd201c9b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:11.218794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075775/publication.txt
observed 9bd76f89ae28f9d0254e6fde776de492...
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.