OpenTechnical

OT-2026-000083078

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000083078) never changes.

Identity and time

Publication numberOT-2026-000083078 · never reused
Internal UUID01a0ae97-c962-70a1-bd46-27718875e983 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083078
StatusPUBLIC

Content hashes

Canonical text4eb99ed1d901a6c6ba4641005324dc26210e63ef72489943226901713aa40606
Markdown40e7576a1bd6eece1bf3768d8940fb0f7dd96dc1bf6a4481e9ee5d7b3deaacc1
PDF
Publication page5d8e4568518cf284f9cd081064d5541b5b59e7f9d8a9271c7f059b51552e2716
Manifest135206e77917f5f570bcd8d2cc98cdf428756eb1222a2a838008e41968b72034

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
SignatureKbAltiWwe/Cd6ngsw/uPChcvOThaAhmLkXEmkGQerYoiW/55SlaohpgjhR3MV5pyiTDW7NhFRPxW/Xk5yjxaAA==
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

2026-09-17T09:00:33.570599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083078
observed 5d8e4568518cf284f9cd081064d5541b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:33.175591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083078/manifest.json
observed 135206e77917f5f570bcd8d2cc98cdf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:33.159139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083078/publication.md
observed 40e7576a1bd6eece1bf3768d8940fb0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:33.141249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083078/publication.txt
observed 4eb99ed1d901a6c6ba4641005324dc26...
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.