OpenTechnical

OT-2026-000076667

Publication integrity record

Foam pad 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-2026-000076667) never changes.

Identity and time

Publication numberOT-2026-000076667 · never reused
Internal UUID01a0ae94-b06f-72cb-95ef-164968e8dcda · 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-2026-000076667
StatusPUBLIC

Content hashes

Canonical text51227e5781f89facef94f93ad4191bd9af3ad8ecae915a7954adaab1ec07ba3a
Markdownad6518f4e095a5bf7020cea1c2b9e1c921c51c11039d8fb0c1fa982c0a20d866
PDF
Publication pagedb3d2b7e9710d31f705f4b3af30ace683f417d724db31477bea9e7eb4ebe9280
Manifestc6bbe3db94fcc4acc2a751d52722f1450fe6f43e989b69cc4509adc87fafd4af

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
Signature+FeULEVainVx9fxZeO59V0h6yOoYgyjwMHDq37WemQJQhk+D+N+i92MEVVTvPD8TpT28M/K+iXGfRGxTybEMBQ==
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

2026-09-17T10:09:24.855674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076667
observed db3d2b7e9710d31f705f4b3af30ace68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.837129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076667/manifest.json
observed c6bbe3db94fcc4acc2a751d52722f145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.817386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076667/publication.md
observed ad6518f4e095a5bf7020cea1c2b9e1c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.797997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076667/publication.txt
observed 51227e5781f89facef94f93ad4191bd9...
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.