OpenTechnical

OT-2026-000013692

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000013692) never changes.

Identity and time

Publication numberOT-2026-000013692 · never reused
Internal UUID01a0ae6d-8de8-7f58-940f-4edd395e1c15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013692
StatusPUBLIC

Content hashes

Canonical text92b56226f4fed608603fa61064088471ba5cb926a82e441b56d85cb0492b7c70
Markdown40e2bf1fa22b5284b9cb57e616a9ee78954ac7fd45d629fd5df73c67f8369383
PDF
Publication page7b446045883426b9219b8b340de6a858815a2a51b71036ec328aacf0da06fa00
Manifest0dc573f2fefae8cb68958699a04fe207b5723069dee0b350e8d5619505d7aa23

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
SignatureFqWTJPYnvcsKzpFQGudrF57cQypFZciAuLfqe+0vOH+rRz7IGwVjne0Mu2EArbk7j3kvI2b0q85xlJV5m97MDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:08:38.706786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013692
observed 7b446045883426b9219b8b340de6a858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:38.685505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013692/manifest.json
observed 0dc573f2fefae8cb68958699a04fe207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:38.666259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013692/publication.md
observed 40e2bf1fa22b5284b9cb57e616a9ee78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:38.646828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013692/publication.txt
observed 92b56226f4fed608603fa61064088471...
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.