OpenTechnical

OT-2026-000083798

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000083798) never changes.

Identity and time

Publication numberOT-2026-000083798 · never reused
Internal UUID01a0ae98-0417-7172-aab4-82ba62583980 · 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-2026-000083798
StatusPUBLIC

Content hashes

Canonical textb77c6adfdddf117577ddcdddd61742455151e33f9812341840826728787d2f3b
Markdown08bddb91eae39f214f72e106956461997c36aa969cfd705fd31a0cb486850ee5
PDF
Publication pagefd27a7b2feef0864982c2e04a5a855236b162505bded64a75ca4343ea03f53d8
Manifesta1f33e69fde011e881b12e416df48d11a04793f4379b610c7964373ae5c0157d

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
SignaturetrMMWnxIQBvL+AlbgXEmGfxfq1N2J+Xet4xuJFM4VnKvRKTLPPhI6BmvekGOTnDncCXnC/2/zOpMqJEO2LHhAA==
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

2026-09-17T09:57:26.686979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083798
observed fd27a7b2feef0864982c2e04a5a85523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.670284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083798/manifest.json
observed a1f33e69fde011e881b12e416df48d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.653857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083798/publication.md
observed 08bddb91eae39f214f72e10695646199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.636515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083798/publication.txt
observed b77c6adfdddf117577ddcdddd6174245...
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.