OpenTechnical

OT-2026-000068389

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, manifold 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-2026-000068389) never changes.

Identity and time

Publication numberOT-2026-000068389 · never reused
Internal UUID01a0ae90-2480-78a5-b256-65add153426a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068389
StatusPUBLIC

Content hashes

Canonical text18a938c6b4e80d8e4f2a686685c9ca1cf2b88c8a6eebe1f7e4ef667d7b31732e
Markdown195b995742eaf0f122d0abee6da2d0dc9808918911756f8efc231baebb854e67
PDF
Publication page2755bdce3fd485219024edecd8afcdc3e0ee2afb3b95fad9b205438f0e58059e
Manifest0297a0c457fcf9ac342e1d0ad95047ed86bb2b28d48bda88e0edb7504682c1a6

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
SignatureC2zQn0+MbSeRSN5+Nmo+k3UdtoWvmdxXoR/EfAnB4bss4woiOBUPsS4Fphz7eubfR2z2dfWoNx2C0EHoORkjCg==
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

2026-09-17T10:29:26.668939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068389
observed 2755bdce3fd485219024edecd8afcdc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:26.651704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068389/manifest.json
observed 0297a0c457fcf9ac342e1d0ad95047ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:26.633841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068389/publication.md
observed 195b995742eaf0f122d0abee6da2d0dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:26.615173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068389/publication.txt
observed 18a938c6b4e80d8e4f2a686685c9ca1c...
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.