OpenTechnical

OT-2026-000085121

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, sustained 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-2026-000085121) never changes.

Identity and time

Publication numberOT-2026-000085121 · never reused
Internal UUID01a0ae99-43b9-783e-9f6b-c694eb38efb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085121
StatusPUBLIC

Content hashes

Canonical text46d5ce957d7676ce29dd7eb47083de553c9a21aade2ce4acd8d095d3cbcd7028
Markdown1769813b2cc0d437c33e5053e5758c7347a129c3d8e90776d120aa5222a70fb0
PDF
Publication pagebbd09d8836d216f39c4ecc90612c0189db9a6ba60e818de0d141d8aa5e862b4f
Manifestff0f2a3318d616fedf49eadf038fc82e64b49b849ab280cb987eb7341f7fc67c

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
SignatureAqz3Pq60KkYFGVgGYV1f0GKFUPQEcN1Vh7XPQwiWpl7xwNUdgpVy3jYAS+iQNwTvIX9Yq5KfvNTOqTAwnyDECA==
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

2026-09-17T09:55:11.638216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085121
observed bbd09d8836d216f39c4ecc90612c0189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.622188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085121/manifest.json
observed ff0f2a3318d616fedf49eadf038fc82e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.603245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085121/publication.md
observed 1769813b2cc0d437c33e5053e5758c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.585596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085121/publication.txt
observed 46d5ce957d7676ce29dd7eb47083de55...
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.