OpenTechnical

OT-2026-000090018

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000090018) never changes.

Identity and time

Publication numberOT-2026-000090018 · never reused
Internal UUID01a0ae9c-428e-77d0-b58a-48ff9c268787 · 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-2026-000090018
StatusPUBLIC

Content hashes

Canonical textfe034fe9b842155439803cafb6db8aede6a1ae358e705db2960bc47d59c660a9
Markdownb9c67f0dccc014c973c24fc76da01fda2f571e83897fff1becf17107e1cbad70
PDF
Publication page8437abe187fced6ec88024b059f46cf7a2f3fb75dad207ca4989cbfb4e0b1f76
Manifestf5b2646708abca9dc6ccc4e72ac2b87e6d084333e237fe2fa4f2aa145485452b

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
SignatureLKL6NWQFM6xjym0UyyWOS9d6gODLMtMMoZ+Ixf8AtxvD/qrVgj3vICkjBtDHu35jUYftINgKno7XVDDIiobhAw==
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

2026-09-17T09:45:24.853345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090018
observed 8437abe187fced6ec88024b059f46cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.832732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090018/manifest.json
observed f5b2646708abca9dc6ccc4e72ac2b87e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.812711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090018/publication.md
observed b9c67f0dccc014c973c24fc76da01fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.794854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090018/publication.txt
observed fe034fe9b842155439803cafb6db8aed...
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.