OpenTechnical

OT-2026-000033120

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000033120) never changes.

Identity and time

Publication numberOT-2026-000033120 · never reused
Internal UUID01a0ae75-4844-729c-bc53-698f604780ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033120
StatusPUBLIC

Content hashes

Canonical text62198ff648bb34c887b5963ab4fcbbed87c0cb16ed485233664294d5070240d4
Markdown1b84bd6e7e1037568a21033b8e9ee4c4dc45e0c952a99b4831cbc6e9f2bdfb7f
PDF
Publication page48925e018881851ce1a3d22a1b0c64e2c85ad29fb6339a9ad622a512bfa4bc39
Manifest1e7aa83327c7a7c6bfe9838459f2376d2529569c3791c32c5b8a7c903735ba26

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
SignaturexoxOXlnfhP6MxaHh0bbvQFqKlDYXYZ6WvB08zN/fHi3I6qKeE5WBfDwCdgqVkkkMCLrAgG7hmOEqnGpdIuXjBw==
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

2026-09-17T11:32:47.721995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033120
observed 48925e018881851ce1a3d22a1b0c64e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:47.699247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033120/manifest.json
observed 1e7aa83327c7a7c6bfe9838459f2376d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:47.678374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033120/publication.md
observed 1b84bd6e7e1037568a21033b8e9ee4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:47.655635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033120/publication.txt
observed 62198ff648bb34c887b5963ab4fcbbed...
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.