OpenTechnical

OT-2026-000081470

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000081470) never changes.

Identity and time

Publication numberOT-2026-000081470 · never reused
Internal UUID01a0ae96-f375-78e3-ad10-51ba0e20243c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081470
StatusPUBLIC

Content hashes

Canonical text513533b9879e2dc83b51d7fe0a8b28fdac0ae2f0063a0f85c3acb2a725b43194
Markdown4c567a8ead178d2a6b2674aa36774b2346aadf9e6bb9cd84f2ca26682347cfa4
PDF
Publication pagec2433d50e4bf73de5f000b8735fae64107dea6c3de2477aed9feb849b4e4e931
Manifest0cf846d5f6421036d0910882207a36b0780060dea679110d687c2ffcb5ff6aa1

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
SignaturehOUUJ56GY0yQ1Qf99pE2Y/atsDN/e5EGYE7P3+af7FO6iaRE7pP3UJzQob/BKUqDexTVAOYKrG67J2yJ3jQfCw==
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

2026-09-17T10:01:38.116845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081470
observed c2433d50e4bf73de5f000b8735fae641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.100716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081470/manifest.json
observed 0cf846d5f6421036d0910882207a36b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.082228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081470/publication.md
observed 4c567a8ead178d2a6b2674aa36774b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.065784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081470/publication.txt
observed 513533b9879e2dc83b51d7fe0a8b28fd...
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.