OpenTechnical

OT-2026-000090405

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000090405) never changes.

Identity and time

Publication numberOT-2026-000090405 · never reused
Internal UUID01a0ae9c-7f2d-72ba-a99d-a5be050be460 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090405
StatusPUBLIC

Content hashes

Canonical text76c50352a371323dd1b3657274b11fd89578c1e5bd38c9b3483395a8c76c8d74
Markdowna83ca8a3aae83e17223e9f58ff64ff8a47c1f74936c8df978762b030ddaccf03
PDF
Publication pagef447f2d524dac8343d299e13c0d55025455ee8c41a3cc05d217e105b647df3a9
Manifesta722a810777f359480bb2434a6ccd412479eaf789b491cae5789574ca0f93fc0

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
Signaturelzy3LIYBDLms3+67rnXVTacKAfEGS8ONfCegu1mNtqV3qz4/prMb4PdjMnFMgHX+tgzm3PlksbaEC8945FhDDg==
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

2026-09-17T09:44:31.096176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090405
observed f447f2d524dac8343d299e13c0d55025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:31.079333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090405/manifest.json
observed a722a810777f359480bb2434a6ccd412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:31.060967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090405/publication.md
observed a83ca8a3aae83e17223e9f58ff64ff8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:31.043797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090405/publication.txt
observed 76c50352a371323dd1b3657274b11fd8...
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.