OpenTechnical

OT-2026-000071133

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000071133) never changes.

Identity and time

Publication numberOT-2026-000071133 · never reused
Internal UUID01a0ae91-e0eb-7a4b-b11b-384f986721d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071133
StatusPUBLIC

Content hashes

Canonical text9a9ce3bd35980bfa51f236a0e073453c99700fea39e79d1a50fb6c5d9fcad4bb
Markdownb6de48ee6a9028f1fdbaf3db3e12d5c62bddcf4b9c8594986664d3846bdfdd90
PDF
Publication page40cb9fde4bf188e419cc5ba370d730f86fc3dc95ad2a6fd0f4f8bb2ba367de81
Manifest354577964dcb601cd910ca9e58051ac31f1745adfc58bd5927225ffe2abb09cb

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
Signatureo25sd6jIJ0Wz/mlNkTUGlBq+BPghHI+L9hp9RduXaa7nQntikRMJdyOktub+PofZxlmRM1ZfFhS83FL8y5MCBQ==
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

2026-09-17T10:24:37.991955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071133
observed 40cb9fde4bf188e419cc5ba370d730f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.973209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071133/manifest.json
observed 354577964dcb601cd910ca9e58051ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.949037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071133/publication.md
observed b6de48ee6a9028f1fdbaf3db3e12d5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.831245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071133/publication.txt
observed 9a9ce3bd35980bfa51f236a0e073453c...
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.