OpenTechnical

OT-2026-000043806

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, sustained 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-2026-000043806) never changes.

Identity and time

Publication numberOT-2026-000043806 · never reused
Internal UUID01a0ae7b-d676-70d5-873a-2ade8b1274fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043806
StatusPUBLIC

Content hashes

Canonical text6e5d4609e90ca42bd688d67bcac545421d34e16e89d1cc81e27cba75f5507595
Markdownd6b65af047a0dad49fadcd079d1cd7b27b37a49af31fe912e0165e64c0e9c888
PDF
Publication pagee8f66298d70a48f7306fdcf4de3e1ac6abbdc2622eca6b3e49962ff0baff9ab8
Manifest6550d1c046627ac97fe4809302d2730df2b17cc0604d64238a692f0145b9534f

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
Signature9CtHUKuUkrT7aX8YZqtfoyvKAA++ggQgYkJq67dEF3rqZp8VgjmptEdzNbBUhfXNce6y54C7yejvWQrNafRfAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:06.590688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043806
observed e8f66298d70a48f7306fdcf4de3e1ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.572485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043806/manifest.json
observed 6550d1c046627ac97fe4809302d2730d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.551964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043806/publication.md
observed d6b65af047a0dad49fadcd079d1cd7b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.534075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043806/publication.txt
observed 6e5d4609e90ca42bd688d67bcac54542...
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.