OpenTechnical

OT-2026-000089122

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000089122) never changes.

Identity and time

Publication numberOT-2026-000089122 · never reused
Internal UUID01a0ae9b-db00-71fb-bf07-48e89dda3f0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089122
StatusPUBLIC

Content hashes

Canonical texta693f7ba5582a1a41f9fc6926e29cdec36b05dfd520b6471b69a24fa4d8fb947
Markdownf5f151c6aaf9f2b83ced8e14d69ca66242a2e9caf502e6a201965ca6fd00f288
PDF
Publication pagebb6331d9acd77310da720335d91edf0bb243ca19ef4f6d3079efdac4c800a424
Manifeste9ad686e43e1573a1a5c566813e145f8a48d69a0c041ef0b6ce4a11f3490aa0d

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
Signature+lFqa0aZ7QU5XoklX/yCkD3hTSjVfCz2xtXCNS+VgZEGRZdtvwR1bJRtMvzAzDVwaJQJwhmA77kiK4gl4y9cBw==
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

2026-09-17T09:47:02.070287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089122
observed bb6331d9acd77310da720335d91edf0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.053262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089122/manifest.json
observed e9ad686e43e1573a1a5c566813e145f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.034832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089122/publication.md
observed f5f151c6aaf9f2b83ced8e14d69ca662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.016396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089122/publication.txt
observed a693f7ba5582a1a41f9fc6926e29cdec...
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.