OpenTechnical

OT-2026-000033259

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000033259) never changes.

Identity and time

Publication numberOT-2026-000033259 · never reused
Internal UUID01a0ae75-4845-7607-8a05-ca90dc830534 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033259
StatusPUBLIC

Content hashes

Canonical text3ff7db11f59b8992e0906ee260efd2a22c53254cea01e8fe0db153858e978d06
Markdowncf7bc7b8e9e1aa4218003bea519c65ee99a39985d556c4533945d06118382338
PDF
Publication page78f1d26bf82eef23fda13ee08deb68b7b2cf056bc8c342f773113b09b863e309
Manifestafcf8c6cb906b503fc019d398aa636b21d550938e75158e0f72179cb26cd7f3d

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
SignatureIbEQUxQmQq0N32A4jf0vXqHFQ5tb0ounoL85l6bydIJMkauyHCOw5G/nHnVMAeqocehux1+238cTOro/PAUfBw==
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

2026-09-17T11:32:58.382416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033259
observed 78f1d26bf82eef23fda13ee08deb68b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:58.364955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033259/manifest.json
observed afcf8c6cb906b503fc019d398aa636b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:58.337146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033259/publication.md
observed cf7bc7b8e9e1aa4218003bea519c65ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:58.320650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033259/publication.txt
observed 3ff7db11f59b8992e0906ee260efd2a2...
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.