OpenTechnical

OT-2026-000003506

Publication integrity record

Mechanical with 3 gripper fingers with contact triggered evacuation of the gripping face

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-2026-000003506) never changes.

Identity and time

Publication numberOT-2026-000003506 · never reused
Internal UUID01a0a906-dd77-7e3b-a2d4-15a49ed93c80 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:03:14.554505Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003506
StatusPUBLIC

Content hashes

Canonical textfb8ef3f0606e5a63220916ca68835f3a6ba526f18b39e6ee51aa06c73ad3da84
Markdownd8204340683c2fc2c582af4b14336fd81e0584c7abe88a13bf8dcec7b78a36b1
PDF
Publication pagec649e56ca68647ecd4fccd020cad7dccf26838c46ca2907095b355b7b22021f1
Manifeste244b4ac3e8da4a3d94a4acd3dbacfa8b06c3927a81e9775729bc622c626803b

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
SignaturemK7lYXli5OZ7mht7lHUG3eJ+2wl361G0DqbW1lCIH4lpNuXKohkHREv22zWtpdkvRlj7cTVRdJF5oPLMZfGiBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:07:02Z
batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof
root e9da7eb1c397f1749e5915c5a39dbbcf...

Independent retrieval

2026-09-16T09:00:34.215738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003506
observed c649e56ca68647ecd4fccd020cad7dcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:34.202392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003506/manifest.json
observed e244b4ac3e8da4a3d94a4acd3dbacfa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:34.187973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003506/publication.md
observed d8204340683c2fc2c582af4b14336fd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:34.172621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003506/publication.txt
observed fb8ef3f0606e5a63220916ca68835f3a...
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.