OpenTechnical

OT-2026-000031746

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000031746) never changes.

Identity and time

Publication numberOT-2026-000031746 · never reused
Internal UUID01a0ae74-bad0-7b71-b780-83708951cf76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031746
StatusPUBLIC

Content hashes

Canonical textbe1304222feed0155c55901416da4f09e53a4a552b7beab5954ac7f4b2d7ca03
Markdownfd2822eb321a5f7de201ab01f922048f2307d4cfc51ef161d106930887f45849
PDF
Publication page3a5eb60a7e9cf6313f40563a478d396e17befda83890be0b0a46832f922c46f2
Manifest1a7a4877a3d58bdda0f3f29c90243cffed5d79875eb2a314a454a9d9ca629edf

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
SignatureM7kXYKj8NTmb2oMxLZ9tyKu/NCcwOOZ0ipn+xs+k24L3x6v2LNpzKOe1Yeb/3dMuCldZDAVpLeQ0sYK2tmrgCQ==
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

2026-09-17T11:34:51.823728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031746
observed 3a5eb60a7e9cf6313f40563a478d396e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.803349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031746/manifest.json
observed 1a7a4877a3d58bdda0f3f29c90243cff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.786464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031746/publication.md
observed fd2822eb321a5f7de201ab01f922048f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.769034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031746/publication.txt
observed be1304222feed0155c55901416da4f09...
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.