OpenTechnical

OT-2026-000089283

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000089283) never changes.

Identity and time

Publication numberOT-2026-000089283 · never reused
Internal UUID01a0ae9b-db01-7427-8e1a-0c96ff9369f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089283
StatusPUBLIC

Content hashes

Canonical text063b16c39edb0da5438a703bac4c60c001d8223abe8e488dfac60a6c6c96518b
Markdownbc7c68a72505d7750ec4c28d177fd7eedc39242027916bd9f4470143857687f5
PDF
Publication page148c49f5e798afa58cca0720769a8b50a83583eeb8efc7fcc8bcfdd187c8d917
Manifest517e081c178ca07df18ea748c2bee0ab2d44aca6a0599fcfec2594b40f89b4a7

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
SignaturePkSBOcYTHcYEUhN0J55o+uoQwN12SWzSIHLkQTWM+NpFLxbIzDHJxC66mNlU1KkweMrN0rRq7OJlWl8NWPztCA==
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

2026-09-17T09:47:19.696496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089283
observed 148c49f5e798afa58cca0720769a8b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.679760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089283/manifest.json
observed 517e081c178ca07df18ea748c2bee0ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.662740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089283/publication.md
observed bc7c68a72505d7750ec4c28d177fd7ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.645042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089283/publication.txt
observed 063b16c39edb0da5438a703bac4c60c0...
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.