OpenTechnical

OT-2026-000061357

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000061357) never changes.

Identity and time

Publication numberOT-2026-000061357 · never reused
Internal UUID01a0ae8b-1384-70a0-af74-f10d8ba410d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061357
StatusPUBLIC

Content hashes

Canonical texted7795a5b2122fbfc8e5ad0eeebb263c3c1c2735db03099dc2bca4f18f3f0d90
Markdown6c355491f5fee4fb48b6225d1aada8d35c3214ccb72d11b278926ee844dfb2c2
PDF
Publication page9ba498ff10fa5eb41e5519ab9db23fda1e51389e67ccffb3e3956c6db0c1fd81
Manifest05ec7bb707ef613d881e578efb4a685757c299eb2663074e042ca4c8299da35d

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
SignaturerHWu/jJEdIUeq5IIPN2+YW7yxwq6HpCx6JK6P+XiKVgtgl4EuspszPYkpj4MT3Xqm2KuVgKQpa6juJ6Kien9CA==
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...

Independent retrieval

2026-09-17T10:42:48.320480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061357
observed 9ba498ff10fa5eb41e5519ab9db23fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.303897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061357/manifest.json
observed 05ec7bb707ef613d881e578efb4a6857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.284243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061357/publication.md
observed 6c355491f5fee4fb48b6225d1aada8d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.265032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061357/publication.txt
observed ed7795a5b2122fbfc8e5ad0eeebb263c...
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.