OpenTechnical

OT-2026-000024273

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000024273) never changes.

Identity and time

Publication numberOT-2026-000024273 · never reused
Internal UUID01a0ae70-e8c8-7117-a937-7de2586cd8dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024273
StatusPUBLIC

Content hashes

Canonical textbdf8a1f7ee6e8229c404f34272a1b8ad17ef83d97ead77a57c682d7549d45b82
Markdownd88a57058eaf40f755784327f21a516322e37e427db15e5fc287055bf9dec6c1
PDF
Publication pageb9008cf5adba2c676fde874d776e7df32e8807f1fc13262052ad40154fa614b6
Manifestf035dd91699ed6b316d697bc8196194cbaa236eb58875b3b2bb931b8fc8781ef

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
Signature+37k8IgENXoZQrCGmlCyV0Q1gUXGXlAw2eDF5SR/Mo9CcE7jJH+1qo+zB2FpVDaRDhqNBUPbKdNqg04U7lMBBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:48:45.646885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024273
observed b9008cf5adba2c676fde874d776e7df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:45.629106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024273/manifest.json
observed f035dd91699ed6b316d697bc8196194c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:45.513448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024273/publication.md
observed d88a57058eaf40f755784327f21a5163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:45.495360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024273/publication.txt
observed bdf8a1f7ee6e8229c404f34272a1b8ad...
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.