OpenTechnical

OT-2026-000085920

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000085920) never changes.

Identity and time

Publication numberOT-2026-000085920 · never reused
Internal UUID01a0ae99-e82a-7e36-8485-35d80526b35d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085920
StatusPUBLIC

Content hashes

Canonical text8740031d023df8b4e810d07f1be8d80c108c5dee1d334a6e8c9c1a33fbc0919c
Markdown2796196ef41a28072c18b695727021b8bfca9171c4003df51fa6ebe523f6d1b9
PDF
Publication page164f680b3f17883f5ac0af83fb4e2be6b09952c8e3a4bd5b7d54bcbad964cb46
Manifestba5be5fa4b4c33e66a6ccdcc893ca182ee18ba10d24a1d1f4a24b0bb3f70ccf3

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
SignatureA9yNSjL3ul+MU4H1X39ROZv+wBqEqtqSLiDYglrk98OSb1jt/F5NnIeQDkfRmNqWgHU6gDaYS85XtB2WQODIBw==
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

2026-09-17T09:52:52.113269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085920
observed 164f680b3f17883f5ac0af83fb4e2be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.094814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085920/manifest.json
observed ba5be5fa4b4c33e66a6ccdcc893ca182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.077914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085920/publication.md
observed 2796196ef41a28072c18b695727021b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.060670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085920/publication.txt
observed 8740031d023df8b4e810d07f1be8d80c...
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.