OpenTechnical

OT-2026-000030779

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off before 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-2026-000030779) never changes.

Identity and time

Publication numberOT-2026-000030779 · never reused
Internal UUID01a0ae74-3fb4-75d5-b355-d2c08f3390af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030779
StatusPUBLIC

Content hashes

Canonical texte1b6a9f2841b60aec32451affdeee2cb19c26b6e4e5baa64327ae381c1b0bb53
Markdownde93ee37f315e0a9d6fc74a0c72f92e61e954aaedb1ed89d61819f8a5f75596f
PDF
Publication pagedcc50b3d91e1a35498b29dd7b73283bf3b1370eaa8b457a2d04aef094ea37dea
Manifest57ff8523fe591af62f3c666ffcc53a402b92f5ae9a916b73acd47473a6eeb826

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
SignatureDyXVIZwUNn7tHV7cgTkLkWTs7PyT+9ZIAWICN5PRreppLhcqey6bxhWf6ptXznuaVB1c4RjUDT4rS+e2IJZ4DQ==
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

2026-09-17T11:36:44.469917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030779
observed dcc50b3d91e1a35498b29dd7b73283bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.453563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030779/manifest.json
observed 57ff8523fe591af62f3c666ffcc53a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.436643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030779/publication.md
observed de93ee37f315e0a9d6fc74a0c72f92e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.419088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030779/publication.txt
observed e1b6a9f2841b60aec32451affdeee2cb...
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.