OpenTechnical

OT-2026-000005061

Publication integrity record

Vacuum cup gripper, three zone face, two stage ejector, contact triggered

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-2026-000005061) never changes.

Identity and time

Publication numberOT-2026-000005061 · never reused
Internal UUID01a0a92c-9f14-747b-8e51-fc7cb8d76020 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:28.950930Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005061
StatusPUBLIC

Content hashes

Canonical text8f598d604786796b46f17fa7c6f14f7ef89079c9b63b4d0ef892c219c0f42ed3
Markdowne0930904e7bb2cb98fb6dd39e6571ce8e21d1b83784f4e7170ef660d30988223
PDF
Publication page1ab1a33ba03d9e63c813cc16c8de19fe33471c0cb18cfd502d019eb339895e9a
Manifeste36c6aa22e8f7ac87e063ec4bf4986f9eb9ccdf0eea4da0ca5cbf37e422cd5c8

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
SignaturejuBBIewdFd3JvVST/tIsmftUdJdhI74rhUr2LgPhc21fCKgH9y8ANATxh3mt0JdDB/KVCMw8JxGqGY6q9rO+BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:19.741279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005061
observed 1ab1a33ba03d9e63c813cc16c8de19fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:19.726665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005061/manifest.json
observed e36c6aa22e8f7ac87e063ec4bf4986f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:19.713593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005061/publication.md
observed e0930904e7bb2cb98fb6dd39e6571ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:19.700437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005061/publication.txt
observed 8f598d604786796b46f17fa7c6f14f7e...
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.