OpenTechnical

OT-2026-000013938

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before set-down

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-2026-000013938) never changes.

Identity and time

Publication numberOT-2026-000013938 · never reused
Internal UUID01a0ae6d-8dea-77ce-ba1c-eb51d0da7fb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013938
StatusPUBLIC

Content hashes

Canonical text9efe32eed73d39e307256cdae12c2f9eb85a7af207c23e625202cb78c93f4cd0
Markdownf3a4c573f506bd037b90130a4dbe61b02b84d058789c46386896be71f328b2d2
PDF
Publication page0a3595480abd631d2a46562bf11bc2d46fddaf715191a133b0c5043cebe5f2a5
Manifest0bb86579d0fadfb387aaac8a78afa89de641e0dd0bc137662f066952972e87fb

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
SignatureUXi3b3GlvrcCGrYL6h75PeL8eWn8RNnmX+A+vZA4ATJGnCMEA8toY+knjxbz7tTaVyddmZ8Zh8N8h2hetIfYAg==
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

2026-09-17T12:09:04.666893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013938
observed 0a3595480abd631d2a46562bf11bc2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.647693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013938/manifest.json
observed 0bb86579d0fadfb387aaac8a78afa89d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.627857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013938/publication.md
observed f3a4c573f506bd037b90130a4dbe61b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.607781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013938/publication.txt
observed 9efe32eed73d39e307256cdae12c2f9e...
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.