OpenTechnical

OT-2026-000064271

Publication integrity record

Foam pad vacuum gripper, three zone face, two 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-2026-000064271) never changes.

Identity and time

Publication numberOT-2026-000064271 · never reused
Internal UUID01a0ae8d-a460-7157-8a54-9b50ff27aed4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064271
StatusPUBLIC

Content hashes

Canonical text2bff1ca5a4a990e0cee2a4086d90f20f62bfd29bd66f426e2bd0bef05218fa1d
Markdowne3a2b7f3987aca1248f3e88ee0e552c6858db8b95b47492f35935c1f0e1b3529
PDF
Publication pagecec749b701963679ba0fabab33f97c0f9bf7187bfd1feec1f886420dceaf283c
Manifest55cbb9a84e88efd767da1987292323ca83c543498ac9669a6b36ea4514009abe

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
Signaturevb8YrTJIZRyS1qvI+e6ijf9+PcadJKYhD2HcjumJOY/1PDxw/rQY1aLY5yrBW0HAK5nEgrgc0DXhDNEZw1qgDg==
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

2026-09-17T10:36:24.523779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064271
observed cec749b701963679ba0fabab33f97c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:24.505413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064271/manifest.json
observed 55cbb9a84e88efd767da1987292323ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:24.489389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064271/publication.md
observed e3a2b7f3987aca1248f3e88ee0e552c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:24.471960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064271/publication.txt
observed 2bff1ca5a4a990e0cee2a4086d90f20f...
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.