OpenTechnical

OT-2026-000063533

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000063533) never changes.

Identity and time

Publication numberOT-2026-000063533 · never reused
Internal UUID01a0ae8c-f945-7214-91b6-bc14add8fc60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063533
StatusPUBLIC

Content hashes

Canonical text667b0a9a5f5cea7a39c3dfeaf6742288f650ae07bb6dce0566fde2c160db874b
Markdown88f4b27914cb4ee9463e64dbfe2fa43dc8de61b9a391413eb86369439aac272b
PDF
Publication page2359bb48902b84a6a114d6538376d2dce4c2133cdd7debb66ad030c41e33e3d0
Manifest18a5df4ef29da58bf5b9e0e222defb3802e556354a8c2fd765fdaed93fbcdf8c

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
SignatureVO/tQZvJFRWi3Ckvh6Tj+TjNpldlsCbu4RwjCtNmzdK3dvIcveGhaYAU4ka2WAurbteLyRscWu0yUICeKWCEDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:31.523153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063533
observed 2359bb48902b84a6a114d6538376d2dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:31.501602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063533/manifest.json
observed 18a5df4ef29da58bf5b9e0e222defb38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:31.480302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063533/publication.md
observed 88f4b27914cb4ee9463e64dbfe2fa43d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:31.458083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063533/publication.txt
observed 667b0a9a5f5cea7a39c3dfeaf6742288...
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.