OpenTechnical

OT-2026-000011737

Publication integrity record

Three finger pneumatic gripper

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-2026-000011737) never changes.

Identity and time

Publication numberOT-2026-000011737 · never reused
Internal UUID01a0ae6d-1940-7716-944f-4c7a0fb5ce9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011737
StatusPUBLIC

Content hashes

Canonical text81c839cc836006f3706c65a26b73140401958db8d181b43db75255a61c4aa467
Markdown5b6179dbcba999c7521af1d176f27babad38b9701d775605166815f228252250
PDF
Publication pagea0eb9ff18b1675aec52c832de73679b6ea92d2848e984696f3bb835a37e62b85
Manifeste8126a69f3a985a2c43a1ba78bf9b7b76d54c90a84a122184ddb94cefccf8fd0

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
SignaturemRuVUPxyz12jOT1hme84E49rQLy007fSBSO3NeLkVkKOzgDUfpT9Syq0sEQkjpgU3OFKVdYpyjOrbNro+ExGBw==
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

2026-09-17T12:12:21.363044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011737
observed a0eb9ff18b1675aec52c832de73679b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:21.345294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011737/manifest.json
observed e8126a69f3a985a2c43a1ba78bf9b7b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:21.324228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011737/publication.md
observed 5b6179dbcba999c7521af1d176f27bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:21.304598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011737/publication.txt
observed 81c839cc836006f3706c65a26b731404...
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.