OpenTechnical

OT-2026-000030062

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000030062) never changes.

Identity and time

Publication numberOT-2026-000030062 · never reused
Internal UUID01a0ae73-ac4a-737a-ae01-42ab41067d3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030062
StatusPUBLIC

Content hashes

Canonical text574180d127ff5f2a2f4d906ca0bb64e8385f07c26570e5234a87f4e2688e5f6b
Markdown8f29a447db336d1c7a89e67fc2b65a48a580330ac27181dff2977dd93e9a4f46
PDF
Publication page7cf87a8dc781faace90f4ca1d2dc9f937f873bdddb1af67145ed76347a92fef7
Manifeste5521bbbf37695609f6982dd2775027135c4bd3df3d53760e5e6be7f5c546b6e

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
SignaturevH9NA/VFZVeVvnnDeMB3OmVBTc9wSNqvuRZw6iG+af6Gl/5fBy1l2kS+AZSJDHu1dPOrFa7lQ0VE/3A35G8tBQ==
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

2026-09-17T11:38:48.245101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030062
observed 7cf87a8dc781faace90f4ca1d2dc9f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.228410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030062/manifest.json
observed e5521bbbf37695609f6982dd27750271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.213621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030062/publication.md
observed 8f29a447db336d1c7a89e67fc2b65a48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.196825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030062/publication.txt
observed 574180d127ff5f2a2f4d906ca0bb64e8...
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.