OpenTechnical

OT-2026-000100391

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000100391) never changes.

Identity and time

Publication numberOT-2026-000100391 · never reused
Internal UUID01a0aea3-66ee-7c99-b647-10e6d9ac6fab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100391
StatusPUBLIC

Content hashes

Canonical text3253171247e8e72b5b20405b287bf10b07809296026cde61f99662e8002668bb
Markdowndcdcbb78adcff2b042aa3955f398c0aded33c94b754de1ee577ca08f75f788f5
PDF
Publication page7e6e7ba2bcbe711be1e5e47e17d5b7ab3a7e75081b1efb7b6aed302bee19ee64
Manifest9069f734988ced9fd66523c03dfc49e6a52e85eb43d40598388a20f10924d13f

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
SignatureujWajaGGf21Y2oxeLhJEdjzXZKOjM1F2FUNr/uFdNhYb7sC72tUdygP3RCFfxke6Cizry7+dLEmJ44Mea6OqCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:07.441678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100391
observed 7e6e7ba2bcbe711be1e5e47e17d5b7ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.424004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100391/manifest.json
observed 9069f734988ced9fd66523c03dfc49e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.406628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100391/publication.md
observed dcdcbb78adcff2b042aa3955f398c0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.387905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100391/publication.txt
observed 3253171247e8e72b5b20405b287bf10b...
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.