OpenTechnical

OT-2026-000033382

Publication integrity record

Foam pad vacuum gripper, three stage ejector, pulsed blow-off 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-2026-000033382) never changes.

Identity and time

Publication numberOT-2026-000033382 · never reused
Internal UUID01a0ae75-8980-791c-8edc-3addceb79562 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033382
StatusPUBLIC

Content hashes

Canonical text5434dbbd75178fa4e648d093cb0df88520da74528df7c162d5619c3a8ea763c0
Markdownf5342c6b65a1996e50f8132d8f003f82ea6d2d17f131c7c9d8dbdb9577e4f1f7
PDF
Publication page20eef091b07e46d6d296dc1836a1c1aeb54a5942e8338feef102ca0c4bca9819
Manifest1f1adaad6dee13d9101a6b5b3feba75a25a885a362591aa98376e75943f22889

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
Signaturejt3OHjKOBlRD0sP8TYlCc1khzedtlQ14tvbmlDZsUGPsj+mAJAueU7mrS+88zSt+AEC3gDpnfOjTRoSdd0ayDw==
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

2026-09-17T11:32:09.363622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033382
observed 20eef091b07e46d6d296dc1836a1c1ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.345527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033382/manifest.json
observed 1f1adaad6dee13d9101a6b5b3feba75a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.326466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033382/publication.md
observed f5342c6b65a1996e50f8132d8f003f82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.307764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033382/publication.txt
observed 5434dbbd75178fa4e648d093cb0df885...
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.