OpenTechnical

OT-2026-000014189

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two 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-2026-000014189) never changes.

Identity and time

Publication numberOT-2026-000014189 · never reused
Internal UUID01a0ae6d-b279-76fd-817e-fec594663196 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014189
StatusPUBLIC

Content hashes

Canonical textb8b206daa98892834b030e3b8927d3166a6f841163be52ae2f73df80cae0b284
Markdown62912a630982150782d13a182c06b4eb157d045244ef4baeac7fcc3fea81dc9d
PDF
Publication page92218076f2dcb676222943f3444c03508f8d514a655178c104115a1278f47a88
Manifest9ab87705821f86468501029cabad23ca4b565304662afdeae29db8f69ad7d5fc

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
SignaturehKxZbJAHWWmnFh+AJhLmEoIS4T7PygX3TRvgs9HWCnYawofex9QGjazuP9jmyK5YFTxt7J39FnnUA5NFQ7lwAw==
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

2026-09-17T12:07:17.210621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014189
observed 92218076f2dcb676222943f3444c0350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.191593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014189/manifest.json
observed 9ab87705821f86468501029cabad23ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.173095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014189/publication.md
observed 62912a630982150782d13a182c06b4eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.152746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014189/publication.txt
observed b8b206daa98892834b030e3b8927d316...
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.