OpenTechnical

OT-2026-000084392

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, sustained blow-off before 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-2026-000084392) never changes.

Identity and time

Publication numberOT-2026-000084392 · never reused
Internal UUID01a0ae98-5b62-7abc-91a8-9dbe8b43a173 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084392
StatusPUBLIC

Content hashes

Canonical text319c59d0bf510013421a2c5d86339885665964164922de22ec271a4b71522fae
Markdown2325e6ef4108eceb6dae410f2b896cb94f0e5da2644a0b1d5e020832a4c5d8ca
PDF
Publication pagec2941bdf1958c931cc8e3ac15a8bdb299fe02515f765f95a1ad6113d02170df5
Manifest8f9a2bd51fbde1a490af0c433e1b69d096515b6b4d3105d808097c830f5e4283

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
Signature8wX8By699uLwzuG3Lnh7nNb94+nlr9xvVdznBqlV7PspN1oPj6+4/YgX1NLPwxgfY3mnI3BSD41xagmQN9xQDw==
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

2026-09-17T09:56:20.091936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084392
observed c2941bdf1958c931cc8e3ac15a8bdb29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.074971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084392/manifest.json
observed 8f9a2bd51fbde1a490af0c433e1b69d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.058224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084392/publication.md
observed 2325e6ef4108eceb6dae410f2b896cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.041529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084392/publication.txt
observed 319c59d0bf510013421a2c5d86339885...
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.