OpenTechnical

OT-2026-000075920

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000075920) never changes.

Identity and time

Publication numberOT-2026-000075920 · never reused
Internal UUID01a0ae94-29ff-7914-81cf-4b4e95ac095d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075920
StatusPUBLIC

Content hashes

Canonical text737fc646063371dc5376d01e39cfb8aa9408534dbe2c6f314b8c3373ec625787
Markdowncc8ba6f8b00e824289f51f8d05b3e6c514545ebd01efc29ad3accdb178101c33
PDF
Publication page64f2af820ec5b5b744341c3517301c8deb5ea1b6eb4ef9c0fa46078b8008fd7f
Manifest88cac0caa37003cf943ca72893a7235ff0bb40b844a35c315eb40d8dd87530cb

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
Signature286CnwNXgjqXj9Hq+05xU3eXlEgoBoOhVviyJxFNahHASw2aNsaxNIVWPX8ybAQCgMTeeUgYeOMA6gxa8S7BAg==
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

2026-09-17T10:14:45.792324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075920
observed 64f2af820ec5b5b744341c3517301c8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:45.773575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075920/manifest.json
observed 88cac0caa37003cf943ca72893a7235f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:45.755412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075920/publication.md
observed cc8ba6f8b00e824289f51f8d05b3e6c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:45.734321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075920/publication.txt
observed 737fc646063371dc5376d01e39cfb8aa...
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.