OpenTechnical

OT-2026-000050190

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000050190) never changes.

Identity and time

Publication numberOT-2026-000050190 · never reused
Internal UUID01a0ae82-5c45-7fcb-8f06-ee2227c077e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050190
StatusPUBLIC

Content hashes

Canonical text329b9425469f6ccfc9e945e9801549a21256e1627d759ea98429ba2dae401bc7
Markdown98dad96554f7efe0f4e0f2dd6318af4609fb4d03784faf312c45134943e10afe
PDF
Publication page72a4eb93eb3ee8927507431d8594c66e8534b2f1b8e382a60c35b7ac3114efbb
Manifesta1b2cd49649663eb7c984f3c391b5f37d187921077fcf7bad0e0bea816262a2e

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
SignatureKHs8ggy5Oo1LUaOs8X2/5SdqQgT5KDkGF8QkVNkFBySC9MbCC95ugToYcLUv3N2I7anNOYK9hqr7XeYrXmtoBg==
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

2026-09-17T11:01:10.471584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050190
observed 72a4eb93eb3ee8927507431d8594c66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.452287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050190/manifest.json
observed a1b2cd49649663eb7c984f3c391b5f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.434349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050190/publication.md
observed 98dad96554f7efe0f4e0f2dd6318af46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.417294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050190/publication.txt
observed 329b9425469f6ccfc9e945e9801549a2...
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.