OpenTechnical

OT-2026-000032811

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000032811) never changes.

Identity and time

Publication numberOT-2026-000032811 · never reused
Internal UUID01a0ae75-4841-704f-94d9-e2869166965c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032811
StatusPUBLIC

Content hashes

Canonical texte3a36afe7991faa8a1eaac5a32f95d8fc0fa4738bc88c39e32f435f6bf049b60
Markdown2f93227c2b208360e776fb21a97c87f277677d4345e201dccbba49e2dd9e9e7c
PDF
Publication page3fa2fd4b6c5bff0c87fecec49a645b80571709cd1313fea51e5111f6f389d2cc
Manifestba42e83d52990979f9fd51b8d0730b07c4aeab7e8877cc106a15d783c4b3e8ab

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
SignatureSi68dHmB8S7n9+Pqh8vaviSmm8GCeGvCUplniZsA+Yfk2HEmTjZq0D+JTmG7NkM0p9tSriVR0xplcZeo7O//Cw==
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

2026-09-17T11:32:15.751028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032811
observed 3fa2fd4b6c5bff0c87fecec49a645b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.731193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032811/manifest.json
observed ba42e83d52990979f9fd51b8d0730b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.711678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032811/publication.md
observed 2f93227c2b208360e776fb21a97c87f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.690930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032811/publication.txt
observed e3a36afe7991faa8a1eaac5a32f95d8f...
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.