OpenTechnical

OT-2026-000050527

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050527) never changes.

Identity and time

Publication numberOT-2026-000050527 · never reused
Internal UUID01a0ae82-5c49-77c3-9f38-fc0d6b467480 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050527
StatusPUBLIC

Content hashes

Canonical text3dc6b6aa813d8c082644dd8e62963a4aa3d51387ab1fe4c13f89cfec4939a5af
Markdownff84faf3fdda6316a4116892fe26022a66f19fe355d5a0f2fdf7d18cc4cfa0fa
PDF
Publication page5c5539fbe3904c26388cc70a7be336b9de22ab4380e0bbe62bd3accdd3cbce62
Manifest23d18b8d36ded836e803e61ee5de955e677a09341d33de89e0f92f0ccf039ae2

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
Signature8pGCopI6s92ECORzVD7iwz9Y5DUkjUvGef47d4UAODjkW95ET5I8vxvBWYFk4aUWccIwzJSXdFgeal2ZgZX5Dg==
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

2026-09-17T11:01:37.297831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050527
observed 5c5539fbe3904c26388cc70a7be336b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.279489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050527/manifest.json
observed 23d18b8d36ded836e803e61ee5de955e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.253827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050527/publication.md
observed ff84faf3fdda6316a4116892fe26022a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.227284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050527/publication.txt
observed 3dc6b6aa813d8c082644dd8e62963a4a...
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.