OpenTechnical

OT-2026-000089932

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089932) never changes.

Identity and time

Publication numberOT-2026-000089932 · never reused
Internal UUID01a0ae9c-428d-706e-8fbc-83c07bc7cc44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089932
StatusPUBLIC

Content hashes

Canonical text1558e6eae11e62cc299097b084c5c0e969664d74a666822a836978d0f312d842
Markdownde95e47aad93e1587723ad8f84b128faa3bc5dc6e0accdb6b0a3bef9bd5b1852
PDF
Publication page1770980c3782d3f40aff8f5b13f419773962d9d56a9212491f3eb7cce35016a1
Manifest7fe2b3f361e9d07be6b140d6ffb3d6ab7bfcdc9185e611aeb967a281cdee8699

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
Signatureew5lsB57Dau7dAuP37t8VKhY34RXQPwy9hGRFrR/5gMeGmj+pHxG8BT1iKSUW7ke47UPdYsf3VLw2fdvF0gYAw==
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

2026-09-17T09:45:12.663468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089932
observed 1770980c3782d3f40aff8f5b13f41977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.646019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089932/manifest.json
observed 7fe2b3f361e9d07be6b140d6ffb3d6ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.627995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089932/publication.md
observed de95e47aad93e1587723ad8f84b128fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.611429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089932/publication.txt
observed 1558e6eae11e62cc299097b084c5c0e9...
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.