OpenTechnical

OT-2026-000005847

Publication integrity record

Three finger mechanical gripper, three stage ejector, stripped from the face, electric drive

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-2026-000005847) never changes.

Identity and time

Publication numberOT-2026-000005847 · never reused
Internal UUID01a0a946-df9d-79a1-bd42-3b1a80baefd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:13:09.407493Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005847
StatusPUBLIC

Content hashes

Canonical text2b35268a5cd6c9d227338ed995398a06bdc32a005d90598e953593789619f443
Markdown78aaacc7294aad9de86e69693bb91b4513d28634a8022f79d3d06dfe27ff0dd6
PDF
Publication page0fe2eeed5d0777c398e8664bd96a777df1d670b558f16f69ea638a09ce8d90e9
Manifestcca645ba4132f9b3a67f54ec26a9d466fdf77fe432b27d543d894a50b066e8b3

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
Signature+o6ntAwidUi3cmjpGC/C2cs+Mz73Fiq5v+uoN8LNNL//8emUHIsn0p02UZdcUZxfGJ1CaHSVz9HEJUYSnQRNDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:25.943089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005847
observed 0fe2eeed5d0777c398e8664bd96a777d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.930480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005847/manifest.json
observed cca645ba4132f9b3a67f54ec26a9d466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.917099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005847/publication.md
observed 78aaacc7294aad9de86e69693bb91b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.903356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005847/publication.txt
observed 2b35268a5cd6c9d227338ed995398a06...
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.