OpenTechnical

OT-2026-000022732

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000022732) never changes.

Identity and time

Publication numberOT-2026-000022732 · never reused
Internal UUID01a0ae70-46e9-79d9-b336-b7fb50da88c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022732
StatusPUBLIC

Content hashes

Canonical textbe3d0b548c4a9442a69f3ca33fe77d7ee1e56238b3dedde47e8ac834f6e39c4a
Markdown00b134ae60df1bc408fbc71f3bdfc2a51ba36a104e66af9bdfdaa5655c3137b0
PDF
Publication page8012654b32fa1c23ab7445d10d92d2d956e82f148da41cb20f97dc452ebf70ef
Manifestede0b0437446d9e5eb6eb03ce9c6c79bfd0ed0ed4ad9e1436fdf069f41a9bac4

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
SignatureQ0mzn1H2SUpt1bUruTJOXH76GGqRCU4nJteg5LJCxsgnMKv3hHQEilU1zPcaF26nCD0wDEmy4rIxrru/F0HvCw==
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

2026-09-17T11:52:14.199735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022732
observed 8012654b32fa1c23ab7445d10d92d2d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.182607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022732/manifest.json
observed ede0b0437446d9e5eb6eb03ce9c6c79b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.165601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022732/publication.md
observed 00b134ae60df1bc408fbc71f3bdfc2a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.146913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022732/publication.txt
observed be3d0b548c4a9442a69f3ca33fe77d7e...
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.