OpenTechnical

OT-2026-000091679

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091679) never changes.

Identity and time

Publication numberOT-2026-000091679 · never reused
Internal UUID01a0ae9d-43b8-76ba-8b8f-396934bf8bc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091679
StatusPUBLIC

Content hashes

Canonical text2cc688c98d49ee6b60a2789a9cf86855031f1d733c60127e9191d427f86e16a0
Markdown22a4525bbf465d844d1f9f104f509321e6321285924f7621ea1468b5fd141567
PDF
Publication page26b9c00783875477eb8f61c203bf4e4c043127532f6822bd412b4c92dcc13fb5
Manifestfc98e91d3be1c406700b1136121afb3f54fdc4b75dd4c1bbf4fdd001b25010df

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
SignatureP81c4ma2lufBeUJ6pi9D7UAYYI9jdgLjKjdYmu74hKLeZVsthRuoLSZKB/q8fy3STeCpHzIunqeHCAdAVcTpBQ==
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

2026-09-17T09:42:03.676101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091679
observed 26b9c00783875477eb8f61c203bf4e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.659952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091679/manifest.json
observed fc98e91d3be1c406700b1136121afb3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.642050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091679/publication.md
observed 22a4525bbf465d844d1f9f104f509321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.623947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091679/publication.txt
observed 2cc688c98d49ee6b60a2789a9cf86855...
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.