OpenTechnical

OT-2026-000029327

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

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-2026-000029327) never changes.

Identity and time

Publication numberOT-2026-000029327 · never reused
Internal UUID01a0ae73-5e20-7f27-a4e4-f2006c11b056 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029327
StatusPUBLIC

Content hashes

Canonical textce0ebaf1c7732733126d5563392c317aba815b05addc92831616d714678c29e0
Markdowna7ede9c11af7c4fc2061cdec740a85b903479e77cfb17a8940ad5aff0da4159a
PDF
Publication page8d6ba629b8838e8073562daf008adfb76f3d6201147cb228178cdee46892eb24
Manifest1dab177b7ed30b601fd95962133b0c535148227b46e00d0a8ef43f76f501e6a4

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
SignatureioJrXepBZjfZD6FxYmHn+r06EmHD67vYV9ydAYUIz5xTJezS2ldYnX1OZJm4VZv+ZrCO4hqph2El1i2mp2guCw==
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

2026-09-17T11:38:52.522822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029327
observed 8d6ba629b8838e8073562daf008adfb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.503353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029327/manifest.json
observed 1dab177b7ed30b601fd95962133b0c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.484613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029327/publication.md
observed a7ede9c11af7c4fc2061cdec740a85b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.464225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029327/publication.txt
observed ce0ebaf1c7732733126d5563392c317a...
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.