OpenTechnical

OT-2026-000081374

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000081374) never changes.

Identity and time

Publication numberOT-2026-000081374 · never reused
Internal UUID01a0ae96-f375-7725-aa08-459db9331844 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081374
StatusPUBLIC

Content hashes

Canonical text06fca8c1275523daa0aaca59cc1e03f4a5d99e1aca9201cf1fe4399a8e2f060c
Markdown96e390ce2ba0078f7266f4e0857347e92dde0a3ad923f2844e8e9608a39c0411
PDF
Publication page67b80b3f953a327738f087a8257d26d050512e62fb7de20cb95670944f9bdfdd
Manifest8834314dd31c4eed54198c330bbad53e4fd278a2d3048e134bf0656ca524dbdd

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
SignaturezlyRvhen8OMs6mf5jj6VsnKysWWb1We0QbpiSzMViACi7H9k+cLURhQPiLeuXnPPTsglQb70zZnyhI7W54rECg==
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

2026-09-17T10:01:30.724752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081374
observed 67b80b3f953a327738f087a8257d26d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.706745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081374/manifest.json
observed 8834314dd31c4eed54198c330bbad53e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.685530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081374/publication.md
observed 96e390ce2ba0078f7266f4e0857347e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.666637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081374/publication.txt
observed 06fca8c1275523daa0aaca59cc1e03f4...
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.