OpenTechnical

OT-2026-000078328

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000078328) never changes.

Identity and time

Publication numberOT-2026-000078328 · never reused
Internal UUID01a0ae95-7c27-7e52-bd0e-b0d94f4a7d6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078328
StatusPUBLIC

Content hashes

Canonical textc49577de79cac197663c008fa4ab8fef8bc6a6a3f962ce08cf258a7b93089290
Markdown55255edc9cb1b14cab4cd5c251046343b15e2ba6062b7ee00d79c73602501a36
PDF
Publication pageb29fb27780e4dd488fe4e353476dfc9646864f7be7f32e3b816d7c53e2e5e562
Manifest1b56459c0a025c1e22530c915e83cde7e5e7abaa765087f847a32be8c310d24d

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
SignatureZKuO49hVYaKvQ6tHo1Z+Vyhs4nXV4nUGYx59QYV5km7AVHQSK++TY6ZTPPafAL23umQEyyL3jOX2nAtemas0Cg==
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

2026-09-17T10:06:17.744599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078328
observed b29fb27780e4dd488fe4e353476dfc96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.728485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078328/manifest.json
observed 1b56459c0a025c1e22530c915e83cde7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.709686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078328/publication.md
observed 55255edc9cb1b14cab4cd5c251046343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.692401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078328/publication.txt
observed c49577de79cac197663c008fa4ab8fef...
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.