OpenTechnical

OT-2026-000031123

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000031123) never changes.

Identity and time

Publication numberOT-2026-000031123 · never reused
Internal UUID01a0ae74-87aa-7281-b6ca-6f370161f923 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031123
StatusPUBLIC

Content hashes

Canonical text579ebe7274915c19d09647428685f44ba074ff681d4b84d643415a771477dc59
Markdownc1105ccb559bc467584d773dacfb117f727c506b368a9a51e2fb769b770dc054
PDF
Publication pagea788048e5435908ead327a0d5db472e5c38c4213a4bbed5f4ddb989850b137ab
Manifestb0c0b961e7c3c49a04d7f343728983e46af90b01db07a74f5b7403a9f90c13bf

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
SignatureZ7f1eEyhRQqC4TdrNuPJ2Woo+LW/9AJPUdq8SEZ9oSActNCNbOsP+/8MoHqJCJICvEimYdN7RIvFwGWHHh2wAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:35:33.528213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031123
observed a788048e5435908ead327a0d5db472e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.510444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031123/manifest.json
observed b0c0b961e7c3c49a04d7f343728983e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.492846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031123/publication.md
observed c1105ccb559bc467584d773dacfb117f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.474866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031123/publication.txt
observed 579ebe7274915c19d09647428685f44b...
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.