OpenTechnical

OT-2026-000040445

Publication integrity record

Single cup vacuum gripper, two stage ejector, sustained blow-off after 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-2026-000040445) never changes.

Identity and time

Publication numberOT-2026-000040445 · never reused
Internal UUID01a0ae79-2701-756a-aab1-b3c7debfa84f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040445
StatusPUBLIC

Content hashes

Canonical textc5eadbda8efade664e64cdb770c7b710fbc93f00434e65cab109f017dbbe7282
Markdowna4222fac2141b660a8f7023ba60d6c70f62e4bc0d04cf69b56c4bd27ce93cdf4
PDF
Publication page8a08f848cce62d19154c6471307275d7b47ace011386154d1fa452a49fbba2e8
Manifest66dea448f41841ddcf2f9838d6b52f011e8965bb19db9a44696249500b317d8f

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
SignatureDyd1cninZjIVHwW9tbPWZ5clsT80oksHQ2Fd7jKONLRB2D7KxVHFxKqHnqyz99b3slEajMOYs4udO1aN6qCoAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:29.335167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040445
observed 8a08f848cce62d19154c6471307275d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.316516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040445/manifest.json
observed 66dea448f41841ddcf2f9838d6b52f01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.300467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040445/publication.md
observed a4222fac2141b660a8f7023ba60d6c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.283308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040445/publication.txt
observed c5eadbda8efade664e64cdb770c7b710...
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.