OpenTechnical

OT-2026-000081054

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-2026-000081054) never changes.

Identity and time

Publication numberOT-2026-000081054 · never reused
Internal UUID01a0ae96-b976-7067-a755-b7e540369e09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081054
StatusPUBLIC

Content hashes

Canonical text691962ac7a74034d4f5a5bf990757d45b5f61dea956cc86fc1beb7428838c711
Markdown9905fe805841f1d519efc04ade6bcd2b26fc03a9971ebf21eba49517ea9e3825
PDF
Publication page8c88877bc4471a126c67f67439350faccc2d047a3327389e2fb4aa0f982493d1
Manifestf5d2df85dd39caa4f7b8a086a0f6dd760cd1dd777190bcce3d491b40de175125

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
SignatureirVHZOOrJM337NsL6I3I/CoKpdyt+hxEWsvNOqxcBsAwxhefV+jaXQ1JebLX5cZD2DD6qXYjEyTS4D2L+wvmAQ==
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

2026-09-17T10:02:20.923790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081054
observed 8c88877bc4471a126c67f67439350fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.906573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081054/manifest.json
observed f5d2df85dd39caa4f7b8a086a0f6dd76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.889237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081054/publication.md
observed 9905fe805841f1d519efc04ade6bcd2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:20.872411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081054/publication.txt
observed 691962ac7a74034d4f5a5bf990757d45...
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.