OpenTechnical

OT-2026-000046400

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000046400) never changes.

Identity and time

Publication numberOT-2026-000046400 · never reused
Internal UUID01a0ae7e-57dc-7565-a536-f11fdce194f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046400
StatusPUBLIC

Content hashes

Canonical textec19f5fabb42e79eb75b7be75a21b0429af820914fa09ee8ed753497d0178c86
Markdown8bce0e201a576ca3d795752464c8fb6148624b7d3896b1ccba94dd859835271b
PDF
Publication page8563bcb248aac89392faff86e1bed6266e7ca124e7ffe3b51860fa70cd1a780f
Manifest1db712002f20d108b51cfbcf612661084aeb3ddddc181dd62d23328be36dc8e1

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
Signatures2jrOpkyU+c1WpUTkHgy1G/m/mm+C+3mWR2tHeFdx+vd2SOkcbRpbPsOMnUCt1j1uNwOl52iDMShcHtsJw1BDQ==
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

2026-09-17T11:08:24.503069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046400
observed 8563bcb248aac89392faff86e1bed626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.484601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046400/manifest.json
observed 1db712002f20d108b51cfbcf61266108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.465707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046400/publication.md
observed 8bce0e201a576ca3d795752464c8fb61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.446007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046400/publication.txt
observed ec19f5fabb42e79eb75b7be75a21b042...
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.