OpenTechnical

OT-2026-000030658

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000030658) never changes.

Identity and time

Publication numberOT-2026-000030658 · never reused
Internal UUID01a0ae74-3fb3-721d-8bd7-ea8c7b7b4e54 · 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-2026-000030658
StatusPUBLIC

Content hashes

Canonical text5b963c9f20f6936de5df4005610ef7fb6a58d00d41c012c9f248725a12fb4e85
Markdownbc50ff931a287aa1a079191dce374a62033d030358887228b7cc3f8333b4af53
PDF
Publication pageb044af7eaf276818c97a9940014218aeda1604bfb2d7455e764d72602e37162f
Manifestd9040578ec0b1039498ae84890611a84580292a3f32626e9f6dd1dae1d7efa5f

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
Signature6TvTgeg2sqp5ensf3KDd44Z3nsItOaIXJ3JYzxbockX/mbmBv9ApP3D5T0vhU+7804PDs2t/o3GCmpSyKorNBA==
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

2026-09-17T11:36:32.577328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030658
observed b044af7eaf276818c97a9940014218ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.560497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030658/manifest.json
observed d9040578ec0b1039498ae84890611a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.544228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030658/publication.md
observed bc50ff931a287aa1a079191dce374a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.526462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030658/publication.txt
observed 5b963c9f20f6936de5df4005610ef7fb...
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.