OpenTechnical

OT-2026-000079280

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000079280) never changes.

Identity and time

Publication numberOT-2026-000079280 · never reused
Internal UUID01a0ae96-0b90-7b33-8850-5970c71630f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079280
StatusPUBLIC

Content hashes

Canonical text74a7332cb38825bfc623eae538e4f145d16b6b79f6b70198c2cb475047397a3d
Markdown845592c1ef1ab6d68b87baafaa7aea446a2b74a40e9d6841a43e828cccda8a01
PDF
Publication page64910a5b4c6531bb8e235b16a4525f87775ac9ebd4fa1eee0bdfe51f2334d90d
Manifeste235165870711b48361281e003ee74ff72bc43c321500b18e7a0b2a46e04a166

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
Signature5YFJICYcKWkUXEDMLao4p5gAW1RPY/ENab6tEHvTmz9fITs9lIaAiQigiKA7BlJuZERz2qz+3VN55Sn8zlw2AQ==
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

2026-09-17T10:04:53.238583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079280
observed 64910a5b4c6531bb8e235b16a4525f87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.219044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079280/manifest.json
observed e235165870711b48361281e003ee74ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.199291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079280/publication.md
observed 845592c1ef1ab6d68b87baafaa7aea44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.180329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079280/publication.txt
observed 74a7332cb38825bfc623eae538e4f145...
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.