OpenTechnical

OT-2026-000085154

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000085154) never changes.

Identity and time

Publication numberOT-2026-000085154 · never reused
Internal UUID01a0ae99-43b9-7234-b8ba-75350506c7e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085154
StatusPUBLIC

Content hashes

Canonical texta98cd8d96f49ce7da93c1775661aaad12769fcd86f87d7201808d71f0138c3bc
Markdownfebd2c09a4f6b31b5e69bb73aa8cff91210a8d24c8d23082e63d627f7f7284f5
PDF
Publication page8cad411bddf6569e0736e879d1c3b2a29c09bd1d3db00210a18c33eb6ec3edef
Manifest783f241cba31af3cdef2d89becc2f42efea836f4cbc08cc48733126b6a2dce8f

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
SignatureRvhOuwRljT7PudSzN+Da3DZVoE6GVRb4KGnOV8+7ERg5txMXy/JDGYKf2SovCe+a0yX5H/ZhU+WU5IVceUpdDQ==
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

2026-09-17T09:55:14.037352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085154
observed 8cad411bddf6569e0736e879d1c3b2a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:14.020042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085154/manifest.json
observed 783f241cba31af3cdef2d89becc2f42e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:14.003497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085154/publication.md
observed febd2c09a4f6b31b5e69bb73aa8cff91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.985349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085154/publication.txt
observed a98cd8d96f49ce7da93c1775661aaad1...
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.