OpenTechnical

OT-2026-000022040

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000022040) never changes.

Identity and time

Publication numberOT-2026-000022040 · never reused
Internal UUID01a0ae6f-bb5c-71cc-ab8d-ff7d9ca51f11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022040
StatusPUBLIC

Content hashes

Canonical textbef864215abeb9c81dca98cbf68cabc4cad5c0c3b0ecbbd4ffa378c3162f6237
Markdownc5ee81a46516c35150723e5b539547cf720100d1b9718d426df29541b7045344
PDF
Publication page90abd2340f776e571d44be8862eb33ba771c28f2a0e4ef6517dab5915d5e2efd
Manifest141ee609449a08da061b442f7452d66fdb7ab065cf0dabfbe017b6090c1c41ab

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
SignatureSwbX+4xVGJAU4//svXTno5OS17DNWPWhJL0pYBbhxAYi+2mqobmYIHRT8yPzAkGK2RqK4DUDrP5SUX5pZFNtAA==
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

2026-09-17T11:54:43.764512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022040
observed 90abd2340f776e571d44be8862eb33ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.744878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022040/manifest.json
observed 141ee609449a08da061b442f7452d66f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.724791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022040/publication.md
observed c5ee81a46516c35150723e5b539547cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.705575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022040/publication.txt
observed bef864215abeb9c81dca98cbf68cabc4...
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.