OpenTechnical

OT-2026-000071899

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000071899) never changes.

Identity and time

Publication numberOT-2026-000071899 · never reused
Internal UUID01a0ae92-47c0-7c0b-87cc-98d94192e423 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071899
StatusPUBLIC

Content hashes

Canonical text56167f1c451f0ec8ef514489e54203a168db9ef0ba1ff9349415b4f3d57a2892
Markdownc85b63ce37cf194ef673db7f9a388138dbfe35a077b1ae83eda05faeaacf6edc
PDF
Publication page9badd337e71012ff1e21e3baa0ffe7d0665ec7a6c90d08d1753bdf7a05e4cff4
Manifest181bd91258b342a501420ff8844e71b88d111218c0d9839156fa6071c56a436c

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
Signature2u0dLbKnv+avqOlG/R5j2sVPxt+RP4oEjK54u6oXryGyXyAVi73ZvOuX9VfFvcm1WQYaFznd0y1dU6BZdgKiAQ==
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

2026-09-17T10:22:55.318112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071899
observed 9badd337e71012ff1e21e3baa0ffe7d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.297969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071899/manifest.json
observed 181bd91258b342a501420ff8844e71b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.278732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071899/publication.md
observed c85b63ce37cf194ef673db7f9a388138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.258508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071899/publication.txt
observed 56167f1c451f0ec8ef514489e54203a1...
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.