OpenTechnical

OT-2026-000070677

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000070677) never changes.

Identity and time

Publication numberOT-2026-000070677 · never reused
Internal UUID01a0ae91-8c2c-7f72-9791-83995d463185 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070677
StatusPUBLIC

Content hashes

Canonical text0220632d141d843d23347eea94ddf8d6022c39c2052a3436472af20ed4a9e4d5
Markdown33a53434be294c326ae727838e187acde3827d625edb6b49c771210cba9029d9
PDF
Publication pageaabcdc753530301e125b871dcf6e7fd11572a0f947cbfa46152a128a143eaad9
Manifesta9ebc9f1354990865fe020ce218a54b0c9cc6121fd64a14b8128081793a55186

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
SignaturezaRjQfwXkpmz2GKQiTH1xDDW3KFpBgv8qRDBVT76f234OEiVNXg+hKkhQs7qKSSptGbLUOhejYgTk0KvuSmSAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:21.348789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070677
observed aabcdc753530301e125b871dcf6e7fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.330352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070677/manifest.json
observed a9ebc9f1354990865fe020ce218a54b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.312000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070677/publication.md
observed 33a53434be294c326ae727838e187acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.293189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070677/publication.txt
observed 0220632d141d843d23347eea94ddf8d6...
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.