OpenTechnical

OT-2026-000099765

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000099765) never changes.

Identity and time

Publication numberOT-2026-000099765 · never reused
Internal UUID01a0aea2-c977-79ce-bd5a-70b012542e4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099765
StatusPUBLIC

Content hashes

Canonical textbe7e587da570691192d18678838424f6c84757e23b03a72ffbf998b77fb21113
Markdown6413a82fe661c5ab4ccb232f1f0d7fb44b2d923df45673a9d0240f4b6dec4077
PDF
Publication page00f034eebe54fb658a90684ac9314c76855c0136c2985937c1c207a4acc98c3c
Manifest713e09362784ee1ed0bba93865b865441804cc2651a30cc7fd5f64fd183695fa

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
SignatureqZR2KBYddSU67ZGMNIOgfvJUKb/6mzd9nLYCsyswwEONuZECyH982Y+MmmWEPBCrWK1NZzuAsduyuzxEx0o8BA==
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

2026-09-17T09:29:47.787752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099765
observed 00f034eebe54fb658a90684ac9314c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.770672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099765/manifest.json
observed 713e09362784ee1ed0bba93865b86544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.753877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099765/publication.md
observed 6413a82fe661c5ab4ccb232f1f0d7fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.737852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099765/publication.txt
observed be7e587da570691192d18678838424f6...
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.