OpenTechnical

OT-2026-000090100

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000090100) never changes.

Identity and time

Publication numberOT-2026-000090100 · never reused
Internal UUID01a0ae9c-428e-7e4a-9531-738a2ddab382 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090100
StatusPUBLIC

Content hashes

Canonical textc274d3f0f68e525351c11400b8fb669a4064728b9d4272a5629c7f2a69a5b1cf
Markdown9904bc72152a006f214bb333f54610ef23ba3c959ef4483bb24ec7f5000f871b
PDF
Publication pagebba6578da361da9888eb2cf380a37cb4de50e0fcb48ddb948b6f5c36ade9719a
Manifest10d8496fe1b43c8a120e2bc4269bca9b280aeeaeacd46c1cc54aa0434fbeb14d

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
SignatureqVZ+1b2SjAeZ1eNJddmDkWIbOoF7GCkOl/ol0itw46XjWQLHD3PQj7V4Soc60ZQmbaphfnqlVrGLzsJSeYJ6DQ==
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

2026-09-17T09:45:31.426200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090100
observed bba6578da361da9888eb2cf380a37cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:31.407991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090100/manifest.json
observed 10d8496fe1b43c8a120e2bc4269bca9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:31.391082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090100/publication.md
observed 9904bc72152a006f214bb333f54610ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:31.373326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090100/publication.txt
observed c274d3f0f68e525351c11400b8fb669a...
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.