OpenTechnical

OT-2026-000103306

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000103306) never changes.

Identity and time

Publication numberOT-2026-000103306 · never reused
Internal UUID01a0aea4-be3f-75b9-9ea2-5db4ad4e0f8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103306
StatusPUBLIC

Content hashes

Canonical text238c34deddfdb93ed14c4c23ae1bed5c49881ac6bdaa2afbcb60a4718527d638
Markdownd8b046b441ed5d18045a2bcbcf0eacd762278cfcf3bc8982218352901817de14
PDF
Publication page64d2aec5533b464c98de06e7eba74623c5c80cc7b9b44d6264797460da6a5da7
Manifest03731ca84ed3458eb75c92a54945a8aa8ad57edb26391687df7c55947f9d396b

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
SignaturemBSy85QPMv2xAGMgWh8ueZMovi66JhMeKUJeppBOwP9l2K1oI5Z1DeMGbAZ1bjVdCR7bjkDP8iTSVdiKtSVnDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:33.221098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103306
observed 64d2aec5533b464c98de06e7eba74623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.202791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103306/manifest.json
observed 03731ca84ed3458eb75c92a54945a8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.185672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103306/publication.md
observed d8b046b441ed5d18045a2bcbcf0eacd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.167752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103306/publication.txt
observed 238c34deddfdb93ed14c4c23ae1bed5c...
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.