OpenTechnical

OT-2026-000076525

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076525) never changes.

Identity and time

Publication numberOT-2026-000076525 · never reused
Internal UUID01a0ae94-6a71-7470-8452-c35899eeb045 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076525
StatusPUBLIC

Content hashes

Canonical text766911a490430ad792608ee659fcb834bc8150fa174ce2c3c1a70a2ff01f458b
Markdown816fedf1e7c49ce790025b9450238837436c4a4572139718a75f49f99f49db11
PDF
Publication page9f9de792423c41493ea8b2c4bd25e6295bb5806fc3f0080145d4fb5fdceb81c4
Manifest0723fa214fb309cb3df4bd0bf650acf02f365988d618fc79a550c35ccfaf0e7a

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
SignaturexwrVxFCcl+YaGMNSB5HQAZ31Tf5Y8pk4JtSHnB05tIEzNouSJVqxY9NV5uXh8vtvWzYRivNpPbOi1INGIWamBQ==
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

2026-09-17T10:12:51.548052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076525
observed 9f9de792423c41493ea8b2c4bd25e629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:51.529494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076525/manifest.json
observed 0723fa214fb309cb3df4bd0bf650acf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:51.510409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076525/publication.md
observed 816fedf1e7c49ce790025b9450238837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:51.490388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076525/publication.txt
observed 766911a490430ad792608ee659fcb834...
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.