OpenTechnical

OT-2026-000026256

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000026256) never changes.

Identity and time

Publication numberOT-2026-000026256 · never reused
Internal UUID01a0ae71-f4a5-7696-9285-0591b7c6039b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026256
StatusPUBLIC

Content hashes

Canonical text11ad94f0ef41a5c134030eb86f1f8454631a31e3dfe7d35cded355c3f7b6f62f
Markdowne16f7eab856b791808e0c78d8e24a0273ff817b551b7f73919fc729a2e5e9bd1
PDF
Publication page2a61090abbc13b7fdff9107bda7c90f465c635ba1839ebfd2ce3e931ef191386
Manifest3f07d69ce30e661bf495459e48bf7069149b102294549a70d85efb5c16fc1e4c

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
SignatureKU7VK9j22odhdNXXh25D6F2F+sCw9wnHZPX11doWO0W3Rlug0b0cnTVX4IMqFBvbt7WKEfY+CqCn6CSfBkRqAQ==
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

2026-09-17T11:44:12.023620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026256
observed 2a61090abbc13b7fdff9107bda7c90f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.005367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026256/manifest.json
observed 3f07d69ce30e661bf495459e48bf7069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:11.988510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026256/publication.md
observed e16f7eab856b791808e0c78d8e24a027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:11.972406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026256/publication.txt
observed 11ad94f0ef41a5c134030eb86f1f8454...
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.