OpenTechnical

OT-2026-000050471

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050471) never changes.

Identity and time

Publication numberOT-2026-000050471 · never reused
Internal UUID01a0ae82-5c48-7d20-bd31-dc03bb7d6a6c · 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-2026-000050471
StatusPUBLIC

Content hashes

Canonical textee0df51976d9d2be9de2a2ea4efc7a3216f1c6e4af70321049911f3aefdfd1b8
Markdown778f11d52b183b4876ef6d83f924894261f398db88e59f8b01859d6480f9a7e2
PDF
Publication pagedf3b52b68427fbe3176c0400e9e5fc4f112c4f5e239205fec6e1370e66fa24d4
Manifest0f873bc475a438cda334ec8a127b03bc72a1d8d37a75660be8efa4d5c853be59

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
SignatureNxswrWDsa1HrrVncnAoit9G7XnT9+w5OH6pTBkTZgJT1KNwWnhaXZp8G+lyWgudb4BRyUqSaDRr22x911QSWDA==
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

2026-09-17T11:01:31.432360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050471
observed df3b52b68427fbe3176c0400e9e5fc4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.416849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050471/manifest.json
observed 0f873bc475a438cda334ec8a127b03bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.400116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050471/publication.md
observed 778f11d52b183b4876ef6d83f9248942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.366349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050471/publication.txt
observed ee0df51976d9d2be9de2a2ea4efc7a32...
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.