OpenTechnical

OT-2026-000036341

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000036341) never changes.

Identity and time

Publication numberOT-2026-000036341 · never reused
Internal UUID01a0ae77-01d0-77bc-84c4-7d185c639371 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036341
StatusPUBLIC

Content hashes

Canonical text58a3d289cb2119d5496cac99f2892eb588f89bc10de12662df51f0b88d118901
Markdownf398f21c339486157740f2da3bdad6a91a1277c59ff8bd01b924663f903344b5
PDF
Publication page82985d85cbfd054eae835eeb3b611dd283e75bad80e3c9632b796e59f6bf470f
Manifestd3886c174951b1100b35195221725640f5a39d89ff96a5c419751ad646c06e88

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
Signature2CbZ24TDC6s2LvuE55eK+Oysm13N93HxuW1TC0AXceFDJPXM5HDRYiBGMoxE2tENHk8zIohVLvM6rHoHcS3+DQ==
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

2026-09-17T11:26:37.229320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036341
observed 82985d85cbfd054eae835eeb3b611dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:37.213028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036341/manifest.json
observed d3886c174951b1100b35195221725640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:37.196734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036341/publication.md
observed f398f21c339486157740f2da3bdad6a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:37.179315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036341/publication.txt
observed 58a3d289cb2119d5496cac99f2892eb5...
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.