OpenTechnical

OT-2026-000030754

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000030754) never changes.

Identity and time

Publication numberOT-2026-000030754 · never reused
Internal UUID01a0ae74-3fb4-71d9-b865-7d5f4de17cdf · 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-2026-000030754
StatusPUBLIC

Content hashes

Canonical text046801ed73ea66bdacb61b5002265888285209b7e4834237b7ea66ca196dd18d
Markdown3ee26ed84e3169bf048cb0459498eacb98afe68b03f5954dd8659f93917ebcfb
PDF
Publication page55c94999f5044d01224c85c7b02d5a3a257925a27eef08fb2959c32ebb4087f1
Manifestefee2bdeb43c87b06a8d4bb0ac376c3311d662b98f2cb20c4120e21b9d4bea0a

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
SignatureIX5jho3yQql3CfgdzkXmFY2Sz3IUeQg0mrF0iA53XhL2hq/gV4+/nv7a3eVnDY/RoK0amwEUrg6ngnNEt5J2AA==
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

2026-09-17T11:36:42.158521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030754
observed 55c94999f5044d01224c85c7b02d5a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.141129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030754/manifest.json
observed efee2bdeb43c87b06a8d4bb0ac376c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.124391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030754/publication.md
observed 3ee26ed84e3169bf048cb0459498eacb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.106654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030754/publication.txt
observed 046801ed73ea66bdacb61b5002265888...
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.