OpenTechnical

OT-2026-000052806

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000052806) never changes.

Identity and time

Publication numberOT-2026-000052806 · never reused
Internal UUID01a0ae84-a42e-779e-8de4-1cc1686d5166 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052806
StatusPUBLIC

Content hashes

Canonical textf187d05f08f814504a60ea741a1797b61a63c9267c8d9d9fa27c5d76568eaa52
Markdown2df1c0f0f83bbd60db997d7b27fa4f4e86130a7a08600fbe99bbec07f71c27db
PDF
Publication pagef1b8a41d72f2cc397349430bb3e2dca04f2b0a9b83eef65908a694a368e86fa4
Manifest772cb542442bd4478f7dc01f2078f9fa89a9058c5baea3bab010b522e3217f44

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
SignatureOwzvzYpDUA5i9F/rO8pTB5Ofv8NOE5PuWQ4IUZmyTi7gPOkSZQJWHal+XBeIvG/gBERVLJZCQVvtl3ZkR7jDCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:49.415609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052806
observed f1b8a41d72f2cc397349430bb3e2dca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:49.394829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052806/manifest.json
observed 772cb542442bd4478f7dc01f2078f9fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:49.376645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052806/publication.md
observed 2df1c0f0f83bbd60db997d7b27fa4f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:49.358002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052806/publication.txt
observed f187d05f08f814504a60ea741a1797b6...
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.