OpenTechnical

OT-2026-000085091

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000085091) never changes.

Identity and time

Publication numberOT-2026-000085091 · never reused
Internal UUID01a0ae99-43b9-7228-9b7c-816b7fe66668 · 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-2026-000085091
StatusPUBLIC

Content hashes

Canonical textcccdb70f84627a668e3359471c202ec5a923ab9bb6b9b94c3b6638451f33a552
Markdown6186c76db678a94f98c72090118dccb6d2334a6636dd04b2c8a77ed7bd0e720a
PDF
Publication page4d51daa7a98ad4e45359eca1e83bfe96ded31caa144c541f3adcd289055bb9a0
Manifest94c3ab732ef91f7eddfaef07de1bc45e20be782abdb3dc62e458c0412909975a

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
SignatureiKZ8sk4qL2GhG6QDKfsIkIyUPKvCL98LDbshO5+pakTcFQH2UYzLCx5+DW736p8QMRmboAhoZcDw/te6oMKsBA==
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

2026-09-17T09:55:09.286517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085091
observed 4d51daa7a98ad4e45359eca1e83bfe96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:09.268048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085091/manifest.json
observed 94c3ab732ef91f7eddfaef07de1bc45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:09.249401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085091/publication.md
observed 6186c76db678a94f98c72090118dccb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:09.232200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085091/publication.txt
observed cccdb70f84627a668e3359471c202ec5...
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.