OpenTechnical

OT-2026-000034071

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, 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-2026-000034071) never changes.

Identity and time

Publication numberOT-2026-000034071 · never reused
Internal UUID01a0ae75-df0c-7ee9-86f0-adea223cd611 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034071
StatusPUBLIC

Content hashes

Canonical textc87a5c1ee779fcee0ada8590f31df9ac280b9eb080319d8c2fd7a350107e9b23
Markdown9d97451aa041642fee69e1a4edc03be714c2a8e172abb44cef1dc81cfc3f314a
PDF
Publication pagefcbaa91ab2b10cf23f21b00efbb49a58e976502b3ef7ca399f9238e5eaa38f65
Manifestfb1ae345aa47a60f8e95df6c867c92d83bef5beef084aa8183492cc9f1d0cbf6

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
Signature+KAK1nq1djU3sKCLIMBVzWHolt4eOTfxpBO+0vGJBXpHcKSRlZEk33zOmR+vkNk/hdbq42p1SKfzWqww9y/GBA==
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

2026-09-17T11:30:19.198025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034071
observed fcbaa91ab2b10cf23f21b00efbb49a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.181219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034071/manifest.json
observed fb1ae345aa47a60f8e95df6c867c92d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.107050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034071/publication.md
observed 9d97451aa041642fee69e1a4edc03be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.054769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034071/publication.txt
observed c87a5c1ee779fcee0ada8590f31df9ac...
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.