OpenTechnical

OT-2026-000082411

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000082411) never changes.

Identity and time

Publication numberOT-2026-000082411 · never reused
Internal UUID01a0ae97-4d96-7891-997e-de29af688ce2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082411
StatusPUBLIC

Content hashes

Canonical textc4231afba4dc9984e5ade5968327f931e2731d38f61d7f65cb766bf82eec7725
Markdown15f79413edbf1a6d69f839a9aedf3c8a6f447f769d6ec6c2c535c51661ba6883
PDF
Publication page712af8231bfdbc068cddad13a5576034043a18e48928eb67e95db416f4ab3c04
Manifestbbba09b07197ad0078b610984008ae234cdea103d12930016bfda25c2bb2edd3

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
SignatureNUmZzo5Sbgktl7vCC4OgHrtdLoXsdT0gcsDXVOJom9/QtLVPeZnKQd6E+eIroZnzw6IUOzeJFe+Xq69dksy5DQ==
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

2026-09-17T09:59:17.815626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082411
observed 712af8231bfdbc068cddad13a5576034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:17.798359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082411/manifest.json
observed bbba09b07197ad0078b610984008ae23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:17.780830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082411/publication.md
observed 15f79413edbf1a6d69f839a9aedf3c8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:17.755198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082411/publication.txt
observed c4231afba4dc9984e5ade5968327f931...
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.