OpenTechnical

OT-2026-000022609

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, sustained blow-off 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-2026-000022609) never changes.

Identity and time

Publication numberOT-2026-000022609 · never reused
Internal UUID01a0ae70-46e8-735c-b811-63cca9b852b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022609
StatusPUBLIC

Content hashes

Canonical textd1fa769c6c2cf8e3f21d9933d7f19ce2b77374c8bb3c42e56d5934b68d21e5ef
Markdownb95d38237df6ccf711e04da3fe989cc9c92d6ea870133ecdf3d915a5aff6bfcd
PDF
Publication page9aa89ade2a92959c6d878dc972a1e874817cca4f4e8bbf124b004af5032ad8c0
Manifest487b243c89dc54522d75fb1c51bc120cb24269b81d8a6b15189e19664f88d3d5

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
Signature2DJ6cSO2EfUVjLwRM0hpU3OSkWVFdm4/L+ByZMOYHn50/vX24yXJSUL+tuK3j+DtoJttU2iaLed9kAB7WYOaDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:58.754629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022609
observed 9aa89ade2a92959c6d878dc972a1e874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:58.737517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022609/manifest.json
observed 487b243c89dc54522d75fb1c51bc120c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:58.717817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022609/publication.md
observed b95d38237df6ccf711e04da3fe989cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:58.701971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022609/publication.txt
observed d1fa769c6c2cf8e3f21d9933d7f19ce2...
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.