OpenTechnical

OT-2026-000030332

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000030332) never changes.

Identity and time

Publication numberOT-2026-000030332 · never reused
Internal UUID01a0ae73-e501-7dbf-ab5a-56bca5239014 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030332
StatusPUBLIC

Content hashes

Canonical texta1de4287314e37db71b24b743b9e08f15551419b0db3d8372830ed56d933238d
Markdown8851bde63462b15a03e2da8ae2d538e8e86ec07d4202b0d3c611c7db1b2328ca
PDF
Publication page080d34391e1cfeea77e2dfa2ccbc05961a699d2f5bfa3c2082205d3cbcf70a7d
Manifest1e37abbdbc7a289f0b7a05c032e69f448dd52762fb7c997ae23da79987c70b12

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
Signatureok67Ytrq9omJAm9mLS/vdZQREXsGXOpjnUKIy/+GAq4/s5TN6QK4XqNevIuVUZax01LZuA5WemI+Gv4IaPfZDw==
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

2026-09-17T11:38:02.577735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030332
observed 080d34391e1cfeea77e2dfa2ccbc0596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.557442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030332/manifest.json
observed 1e37abbdbc7a289f0b7a05c032e69f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.538625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030332/publication.md
observed 8851bde63462b15a03e2da8ae2d538e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.520519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030332/publication.txt
observed a1de4287314e37db71b24b743b9e08f1...
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.