OpenTechnical

OT-2026-000038556

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000038556) never changes.

Identity and time

Publication numberOT-2026-000038556 · never reused
Internal UUID01a0ae78-2d54-76b8-a19b-9a9b190de142 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038556
StatusPUBLIC

Content hashes

Canonical text5b1f0b6e0230a6660b6ef135a5af6eaf74ab31616700613a0fbefcbb8690ec26
Markdown48bb2a40f2fcecce29c06b1444b683669d11da3920261f05994bf5806478441e
PDF
Publication pagecf766cb8e55eb47d9b57ebf0ce816397e9b3a9c85ebf7654e0d58f173091951f
Manifest99f345d9e8d741fcdd44a786dfdf4910b8f69e44f76ddbe7092bdb667db63c78

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
SignaturetOhaG4LbExeEUBr0I1uWEQXpk1RJG+ENhIUJkpHgeCp2vJFTXvctXCHbsR21GFGJ9uQtNNIsoM3n717bmIaXAQ==
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

2026-09-17T11:22:49.254525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038556
observed cf766cb8e55eb47d9b57ebf0ce816397...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:49.236752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038556/manifest.json
observed 99f345d9e8d741fcdd44a786dfdf4910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:49.217200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038556/publication.md
observed 48bb2a40f2fcecce29c06b1444b68366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:49.199040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038556/publication.txt
observed 5b1f0b6e0230a6660b6ef135a5af6eaf...
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.