OpenTechnical

OT-2026-000083715

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000083715) never changes.

Identity and time

Publication numberOT-2026-000083715 · never reused
Internal UUID01a0ae98-0417-7d29-bf06-7646065fd12e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083715
StatusPUBLIC

Content hashes

Canonical textbc00e68428da11fdc6ef3427d77cccbeee63cdac671622720cc43bc207429128
Markdown750dbd5b8a428c83e9ab29c2dd15151db7a078ef214bd270d2e10646b9289a89
PDF
Publication pagee3440d0f0c68ee5713ee95c742a81b90489da170e306488690718117c0a51ac8
Manifest294f97e301307a2789ff7373080b968186ef2280a596bab73af553ab8580ff08

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
SignaturePnNRQ9CYzpb7PfSKdxrDoG5AZ34bXzZEy+lr5srKIgLVyVxpvG0jSOt3WYWloXK68exOQ8itHAbUXue/0zF8AQ==
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

2026-09-17T09:57:20.752477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083715
observed e3440d0f0c68ee5713ee95c742a81b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.737422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083715/manifest.json
observed 294f97e301307a2789ff7373080b9681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.721337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083715/publication.md
observed 750dbd5b8a428c83e9ab29c2dd15151d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.703329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083715/publication.txt
observed bc00e68428da11fdc6ef3427d77cccbe...
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.