OpenTechnical

OT-2026-000075527

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000075527) never changes.

Identity and time

Publication numberOT-2026-000075527 · never reused
Internal UUID01a0ae93-f202-7ceb-8b2a-015fc3b2ef0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075527
StatusPUBLIC

Content hashes

Canonical textc628c31b41a0de9179539932be21f01591074b1c998aba5207623ff16f919181
Markdown42ef185ca51c59c487f6e7c0ef81b174011356c52e28e4f0955c5815eda4d462
PDF
Publication pagef04192a48baaa331e591a6b369ef797e12e4c3c434031051dc49ca4bc3733110
Manifest95cdd35df4f85110c2a9d1e588f61a9fb6c3e025f07336388659b203f36c2b23

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
Signature+yfijx0de8hGK6ed332xN9jc2XC5LrKy+V7ynYbnoXXzWeplJLhXPAwUYD7Hmis2ZasHoI+IqQVubT8Xe8XQDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:00.282736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075527
observed f04192a48baaa331e591a6b369ef797e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:00.264250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075527/manifest.json
observed 95cdd35df4f85110c2a9d1e588f61a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:00.246455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075527/publication.md
observed 42ef185ca51c59c487f6e7c0ef81b174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:00.226043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075527/publication.txt
observed c628c31b41a0de9179539932be21f015...
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.