OpenTechnical

OT-2026-000067875

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000067875) never changes.

Identity and time

Publication numberOT-2026-000067875 · never reused
Internal UUID01a0ae8f-c4fc-7024-b639-d812b2d0ff5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067875
StatusPUBLIC

Content hashes

Canonical text5a6fc2fc48ddfcb2b005468e3a18f80253edf3234dae7fdbfa8bed8e63df0264
Markdown6e6f8f5b57a9be915b30026ddd9e4ca9b5ccdec20bad10f2c9a0fc45a1715551
PDF
Publication pagee8eb12627bad80eed14cb6aa745f61e0077bdf9a70ccc33b715a6e673d1e1c52
Manifest43ecd9525706e4e6ca1d8db61a061d846670db4b65893ba9cf0c19d08b00738a

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
SignaturezmVU/TwKVSibF7/yWpS6dyKPrwOgsrsukaGXCu7Hf8PXkIb4Pt3rocrVQegcmSGARg6F53Ezq7YROdiHD6vYCw==
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

2026-09-17T10:30:15.833531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067875
observed e8eb12627bad80eed14cb6aa745f61e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.813931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067875/manifest.json
observed 43ecd9525706e4e6ca1d8db61a061d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.790558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067875/publication.md
observed 6e6f8f5b57a9be915b30026ddd9e4ca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.768393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067875/publication.txt
observed 5a6fc2fc48ddfcb2b005468e3a18f802...
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.