OpenTechnical

OT-2026-000083178

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump 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-2026-000083178) never changes.

Identity and time

Publication numberOT-2026-000083178 · never reused
Internal UUID01a0ae97-c962-7f72-9c4d-42763b2b1b3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083178
StatusPUBLIC

Content hashes

Canonical text753ff3da92ad45e29f71d21a37d2ccbf2cbb53302b553120388af86628d41124
Markdownafaa258163533de5ef5eaf382a537430e22612f9bf9dd7362c6395fb50597bba
PDF
Publication page8b0471233bb3285bd2cfab5fc093aebe5c762c8523f0b44cf094f4939f42fe9f
Manifest17409994c21bff0d250e5114cda5fb382047ad48ddeefc59069d7e104b3f5096

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
SignatureLc+2G26WLBCi6pIe/JHU7jbw9SIwXJVHrHFbWlb998kclgBLaOj2okK9ps0ynSR4MkhN6IeF/IMMY7Ugs4AeCA==
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

2026-09-17T09:00:58.858017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083178
observed 8b0471233bb3285bd2cfab5fc093aebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:58.839276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083178/manifest.json
observed 17409994c21bff0d250e5114cda5fb38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:58.821345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083178/publication.md
observed afaa258163533de5ef5eaf382a537430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:58.679222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083178/publication.txt
observed 753ff3da92ad45e29f71d21a37d2ccbf...
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.