OpenTechnical

OT-2026-000050537

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single 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-2026-000050537) never changes.

Identity and time

Publication numberOT-2026-000050537 · never reused
Internal UUID01a0ae82-5c49-7f42-bfa2-7677d084b5af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050537
StatusPUBLIC

Content hashes

Canonical textfa6d8d29553a969249b8f465732bc6ffcafe83d013bd8f3c3469288626c906fc
Markdownd24958d8db5e043821c6dc929a37144d2709e0676c4a23a0906454a1002edd76
PDF
Publication pageda21f0eaa406a9253e31310316107592f0ab52657bded94f786210ecc76f6e08
Manifest94265a3d81c797a5c59400dc8c982eac7b48aa293f668e4b634edbd2ecd97f94

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
SignatureuUQLppTMxMujeOdLyGj8PvqWoQky3zWdAe+iDvyd6S2MHKncYgAFXckMn9j47TZlHIMXR2iOCZjQs1LzZ3fJDw==
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

2026-09-17T11:01:37.998537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050537
observed da21f0eaa406a9253e31310316107592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.984028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050537/manifest.json
observed 94265a3d81c797a5c59400dc8c982eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.967272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050537/publication.md
observed d24958d8db5e043821c6dc929a37144d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.951060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050537/publication.txt
observed fa6d8d29553a969249b8f465732bc6ff...
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.