OpenTechnical

OT-2026-000005662

Publication integrity record

Porous face vacuum gripper, three zone face, common isolation valve, three stage ejector, closed cell

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-2026-000005662) never changes.

Identity and time

Publication numberOT-2026-000005662 · never reused
Internal UUID01a0a940-9d3b-7a97-8462-67ddb1bf8108 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:19.198642Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005662
StatusPUBLIC

Content hashes

Canonical texte5c4279ba6e266295d28c09f658cd2e34ba3f38d07dc54d565189693ae93b4fc
Markdownd1c884aac36ddc112765de89c446196e169d222d992d2e55ff8d0e4eaf5e9aff
PDF
Publication pageadc7be103ee325ff5b57775bb5631827afbfb90680aace1108ff4f34f9871383
Manifest3d9ea6370f77fabf8ea4aee6705212a2f3f7c34839c6a9c3be9132b8e7592302

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
Signaturej11FBct+77gXxkHNl3h+O/+LNi+Y4ld3w2lNu64hK68ZFvjx+hLZnclrlnJy1KpDPYX5WZodGlScDyG8ySQRCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:14.880458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005662
observed adc7be103ee325ff5b57775bb5631827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.741805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005662/manifest.json
observed 3d9ea6370f77fabf8ea4aee6705212a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.727120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005662/publication.md
observed d1c884aac36ddc112765de89c446196e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.693575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005662/publication.txt
observed e5c4279ba6e266295d28c09f658cd2e3...
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.