OpenTechnical

OT-2026-000075310

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before 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-2026-000075310) never changes.

Identity and time

Publication numberOT-2026-000075310 · never reused
Internal UUID01a0ae93-f200-7649-9e93-80c36cdfa04d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075310
StatusPUBLIC

Content hashes

Canonical textc6623c3b2d03bc4ab482115c159ae6c5f2cd5e334085f91108b7bfa8b49cb2b2
Markdownc15cf397bf7748a75adf5a0c3b0d63098bae9e1d1dc80de66b74fc995e5eff3b
PDF
Publication pagef68d0332e28dab33d3f115edb467f7f120547fbcbc100fba476e31f64ac6ee18
Manifest879d407ede9e76a8351daba63fb74a5fac8867fc0a7211add8e62f9eb95f36ff

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
SignaturedyVv/VA/uSv7FnGNHj2HZp+7S0UiLfxVdH60g5P9w0lV/kGCtTZcul9Xw/785tzg7JbaH++AI6B5ad3Nx++nAw==
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

2026-09-17T10:17:07.697116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075310
observed f68d0332e28dab33d3f115edb467f7f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:07.554213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075310/manifest.json
observed 879d407ede9e76a8351daba63fb74a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:07.535009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075310/publication.md
observed c15cf397bf7748a75adf5a0c3b0d6309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:07.517658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075310/publication.txt
observed c6623c3b2d03bc4ab482115c159ae6c5...
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.