OpenTechnical

OT-2026-000009044

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000009044) never changes.

Identity and time

Publication numberOT-2026-000009044 · never reused
Internal UUID01a0ae6b-31b8-7aae-a849-517714301db5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009044
StatusPUBLIC

Content hashes

Canonical text017af9243b3fd287f428114896f35013907c012db43f1399b1877381f7e9bb37
Markdown663d5978b6296218a90e3f341961c10152bb47b6918889976961d8be1437e070
PDF
Publication page3a5eba7796101dda2b9c005133f866b6f50a9354b45fe45943c139b2501f068f
Manifest17177022984b18adcd0c3177234268f59b9a32771b167951fbadda0a534bb6a2

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
SignaturesBpeOm5XxezEw/sd9xER56/OZ9GCHh8WYy+7K+ivVNTR94SuvVw/zpvOOs35djbovDpfiOoLLSyAkrZHXUcMBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:41.683049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009044
observed 3a5eba7796101dda2b9c005133f866b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:41.663419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009044/manifest.json
observed 17177022984b18adcd0c3177234268f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:41.643605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009044/publication.md
observed 663d5978b6296218a90e3f341961c101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:41.624511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009044/publication.txt
observed 017af9243b3fd287f428114896f35013...
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.