OpenTechnical

OT-2026-000039837

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000039837) never changes.

Identity and time

Publication numberOT-2026-000039837 · never reused
Internal UUID01a0ae78-d8d6-7ca5-ae88-db9d1c930682 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039837
StatusPUBLIC

Content hashes

Canonical textce141c3ceab92e2e8bb6b57f2599de0f00158edb5f0f89b970193898fbcda65e
Markdown9d801363228729bc274fa298dda9285baec430f5360aeccb2a33367f00cec84a
PDF
Publication page596af385e338c8bc1eadd96692bcef131b6569d031c94fdafb151856f4d4a462
Manifest4c948188ec27ae332ade0d6d65655a83fc9a951742182b14daf991fb472638b9

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
SignatureaU8ioo7StNDGqaJB5hTJB/DRJYyI5Wr/GbSyojPU4Pgl86wvnCijpzqSFuRbJtd+HEkuba+W/AiVzK3VjOL3CA==
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

2026-09-17T11:20:04.825182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039837
observed 596af385e338c8bc1eadd96692bcef13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.807112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039837/manifest.json
observed 4c948188ec27ae332ade0d6d65655a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.789092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039837/publication.md
observed 9d801363228729bc274fa298dda9285b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.769150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039837/publication.txt
observed ce141c3ceab92e2e8bb6b57f2599de0f...
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.