OpenTechnical

OT-2026-000079550

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000079550) never changes.

Identity and time

Publication numberOT-2026-000079550 · never reused
Internal UUID01a0ae96-0b92-7b33-8322-946db9238c2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079550
StatusPUBLIC

Content hashes

Canonical text7560bf02bb2ac6d22b77f70b1f9198deae7f0e41345510dce70533fe44f8e990
Markdown9afca028d59cbef64e91fecf2449b526b521a85ed09eb88372ac5d789cfb3be5
PDF
Publication pagea827c711bc035e4238058e1cc7c0d4df1b52176d9374d5bb121ac2b2292aa3e3
Manifestecd0d343e028dc4fb20322af532f5437df7244ae9d0f6ef491c0b348a42d3942

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
Signature4VcapOTS5Qh5cjG+Vhq/IxNg36iAUqgsR10R/shekrn7oa6iqbq1ZnuJBsxT/5HmUpijPAtO3UqntV9bFsMdBQ==
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

2026-09-17T10:05:11.973370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079550
observed a827c711bc035e4238058e1cc7c0d4df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:11.955376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079550/manifest.json
observed ecd0d343e028dc4fb20322af532f5437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:11.936689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079550/publication.md
observed 9afca028d59cbef64e91fecf2449b526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:11.918748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079550/publication.txt
observed 7560bf02bb2ac6d22b77f70b1f9198de...
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.