OpenTechnical

OT-2026-000051090

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000051090) never changes.

Identity and time

Publication numberOT-2026-000051090 · never reused
Internal UUID01a0ae82-c7b5-7f88-81fa-695ecc034348 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051090
StatusPUBLIC

Content hashes

Canonical textf423b31ce8717c0f6b49759ed248007070f6fbd78078400d258b4325e363c15a
Markdown1ad2da72ffe0b026eb8e173d473903ac53ea131d1bb9f637dff3ebb349143f49
PDF
Publication page2980f541b95528164fe23f3877bb3e896e4c41802c636713148d4fac6870ff50
Manifest11da36468dba4877a70d4d172024f27c13b7a4bd9a4286fb74511dee1c258471

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
SignaturepHldblpIBPuuhoaY0cHD50+SdYdM+rizJynWf2/xzSzIKPfRUrAbMotm4Qg+jgA/ouJXvKYlwbH2PRxT1MRQBA==
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

2026-09-17T11:01:01.742528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051090
observed 2980f541b95528164fe23f3877bb3e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:01.722411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051090/manifest.json
observed 11da36468dba4877a70d4d172024f27c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:01.701705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051090/publication.md
observed 1ad2da72ffe0b026eb8e173d473903ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:01.677617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051090/publication.txt
observed f423b31ce8717c0f6b49759ed2480070...
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.