OpenTechnical

OT-2026-000082570

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after set-down

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-2026-000082570) never changes.

Identity and time

Publication numberOT-2026-000082570 · never reused
Internal UUID01a0ae97-8cc7-7794-aba2-77f2452b6354 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082570
StatusPUBLIC

Content hashes

Canonical textacd7c1ded3d82090fa4d9b883fd0afa625dca2a2ace47cd7253939337b100831
Markdown869a9083d6b3d8db6c6bf745e0fe8f1df9c9cb164d57b3ac676d0a26d6f77a1c
PDF
Publication page23755f9db98be2f7731e4ce8cbbfdf2817a4cf1ecd4e34cbb50b0a41a653c600
Manifestf814ad68da664b8c0416a3bff50e8fae0b7faa64ad450c29b1dc539f192698ee

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
Signaturerx2SA8Xc0bMFBuvyra0518LOVU+/AI70RWVpbKvlfUhsQ65uzGDeyy9sVg28ZBiiiz1jTtq1IcWWT4+uNz7dDg==
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

2026-09-17T09:58:00.573845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082570
observed 23755f9db98be2f7731e4ce8cbbfdf28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:00.557939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082570/manifest.json
observed f814ad68da664b8c0416a3bff50e8fae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:00.539734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082570/publication.md
observed 869a9083d6b3d8db6c6bf745e0fe8f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:00.523240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082570/publication.txt
observed acd7c1ded3d82090fa4d9b883fd0afa6...
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.