OpenTechnical

OT-2026-000091706

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000091706) never changes.

Identity and time

Publication numberOT-2026-000091706 · never reused
Internal UUID01a0ae9d-43b9-7dfc-8e69-23f3c70eef7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091706
StatusPUBLIC

Content hashes

Canonical text5378535da9ef31d8e1e3b0f5bbad01f4c0948cc9285d39cee1f7c82ea5e85a61
Markdown5a58c9e43c532cbd4929bb839db12bda7d133d624f8931b6d79929fbcc121147
PDF
Publication page21706c30aeb3246c8b4d3a3b81a43a2792fc035800864d56d44843f4167993bd
Manifest827b19f9138ce1d6ad28da4d4481edf15475d25f529fe8cd231b95e7ab70a4d7

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
SignatureSYHGv2QlaLrXt1ZJEgzlGDPUGJ2jsx+3V42TSviStgP2lgC2AotUezohXydk6BfOLhveQFnuQmqBWRHGkohWAA==
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

2026-09-17T09:42:05.774075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091706
observed 21706c30aeb3246c8b4d3a3b81a43a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.755299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091706/manifest.json
observed 827b19f9138ce1d6ad28da4d4481edf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.737510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091706/publication.md
observed 5a58c9e43c532cbd4929bb839db12bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.719149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091706/publication.txt
observed 5378535da9ef31d8e1e3b0f5bbad01f4...
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.