OpenTechnical

OT-2026-000067321

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented after set-down

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-2026-000067321) never changes.

Identity and time

Publication numberOT-2026-000067321 · never reused
Internal UUID01a0ae8f-6bd6-77b5-8a95-b140e3961db1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067321
StatusPUBLIC

Content hashes

Canonical text624058d7133813315d223c7fe69496e69df67e38b210a30e4717e0f7bd7493f3
Markdowne7b2005fe4c33592ebbb3c957061422ac414113bc26ba0741a9e76a636145e95
PDF
Publication page25440ab46e7cfef8b56ff2260e5a24af3af1bc0c05d8bd46b2d50c6c15df7c53
Manifestf928a1d681c5a2fa811bfb6d62c7f479044a57db6272b702fc550b5ca06bddbb

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
SignaturenaFq4Zhqk9p19gH0uppoakRcCqUUgpRxb67H6zJbmGTXhy9sB5nGzYBCC21H2ggpo8/Bc5mZDvl2oTj7fIY3AA==
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

2026-09-17T10:31:29.896542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067321
observed 25440ab46e7cfef8b56ff2260e5a24af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:29.878542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067321/manifest.json
observed f928a1d681c5a2fa811bfb6d62c7f479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:29.860622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067321/publication.md
observed e7b2005fe4c33592ebbb3c957061422a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:29.841918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067321/publication.txt
observed 624058d7133813315d223c7fe69496e6...
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.