OpenTechnical

OT-2026-000091832

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000091832) never changes.

Identity and time

Publication numberOT-2026-000091832 · never reused
Internal UUID01a0ae9d-43ba-78b1-bd98-5e6c837fb8e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091832
StatusPUBLIC

Content hashes

Canonical textaada761d2bfcbacac73cc48b952b6197990edbb08d90e4e2e36b0f70b6b14e4d
Markdown2b0988a5a29b80c3209f0d93d3d6fd35f38e6e92b628386c0fe00539a0260e3f
PDF
Publication pagea5ceb7310c569e92e7c9ba5ef63df2954d05c7d6d51217ca14450aa917ab9588
Manifestbd58e87f77897e1797baa9673bc351f4392e8f1baa33b686bc26d784417ee3ef

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
SignaturerSrBCtkTW2j8znaKo9KMW+lcHM4tFlqkv0UKaIMWzvABC2XawaCFqXTJzXEKzgEvNi7wuYTC4WVcH/I5PDJ6Aw==
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

2026-09-17T09:42:44.908717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091832
observed a5ceb7310c569e92e7c9ba5ef63df295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.890873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091832/manifest.json
observed bd58e87f77897e1797baa9673bc351f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.872194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091832/publication.md
observed 2b0988a5a29b80c3209f0d93d3d6fd35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.832883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091832/publication.txt
observed aada761d2bfcbacac73cc48b952b6197...
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.