OpenTechnical

OT-2026-000005785

Publication integrity record

Vacuum cup gripper, two stage ejector, pressure verified, contact triggered, silicone cups, oval form

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-2026-000005785) never changes.

Identity and time

Publication numberOT-2026-000005785 · never reused
Internal UUID01a0a944-cf89-780c-927e-4da94b41f481 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:10:54.220630Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005785
StatusPUBLIC

Content hashes

Canonical textc4e2b4eabfef4cdb1e38fbb306eb55179e2867ae1c6541c50bb5ace07b8b53d2
Markdown0926be23f3a714e4d8296b41cef0d6cb7bc8d770ff1f9c417af69f9914ff362d
PDF
Publication pagec2fdcccfebca4ed32f7652c567af12fabca743c1c3b2feef2f13df3c600b3a67
Manifest4f264fa194056261b750c48c28cbd881f970d1429cc00cab6f0ee14879ee5dcd

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
SignatureDRwt8G/y4yQFzmxu2hgfnBHE+pJTYwbWjdpphcZrcJVLClKkq1NVNr78pof9LZZkHgOvBzMztRGju16TBycKAg==
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

2026-09-16T08:20:33.176091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005785
observed c2fdcccfebca4ed32f7652c567af12fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:33.161678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005785/manifest.json
observed 4f264fa194056261b750c48c28cbd881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:33.148344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005785/publication.md
observed 0926be23f3a714e4d8296b41cef0d6cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:33.134642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005785/publication.txt
observed c4e2b4eabfef4cdb1e38fbb306eb5517...
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.