OpenTechnical

OT-2026-000076498

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000076498) never changes.

Identity and time

Publication numberOT-2026-000076498 · never reused
Internal UUID01a0ae94-6a71-7a18-8d05-5c12d00654e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076498
StatusPUBLIC

Content hashes

Canonical textbfc866051ca768ef9854aecf245702e3c24dc9c656c318292ebd3f2e4812911d
Markdownf10d96bc57efad5a70604e89f785c23fac6fb3ed455347514e0e6ae850b8aba7
PDF
Publication page0173df44a4e1994b9a08ef7040a3fb65cb39290b21f062527868f245a74c0930
Manifestf5edfa80e112b69588dd0a95eaeac78eea52c0e40927cff36e22af03f39cbf2e

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
Signature4kArL24m2MoAt5Os+MFhYdf/SpT07kxUnI7nyjgQp1fYud0N/63bh9GIfvT7uQvsxsZ+tQHUsj8kgudsywdaDA==
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

2026-09-17T10:12:36.002257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076498
observed 0173df44a4e1994b9a08ef7040a3fb65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:35.983497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076498/manifest.json
observed f5edfa80e112b69588dd0a95eaeac78e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:35.964705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076498/publication.md
observed f10d96bc57efad5a70604e89f785c23f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:35.945399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076498/publication.txt
observed bfc866051ca768ef9854aecf245702e3...
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.