OpenTechnical

OT-2026-000038620

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000038620) never changes.

Identity and time

Publication numberOT-2026-000038620 · never reused
Internal UUID01a0ae78-2d54-7255-86dc-64b85232357c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038620
StatusPUBLIC

Content hashes

Canonical text67aaa6a397025d86ff8e7bcdee213f54eb8b1e9d9193e4b304b059335df13fa3
Markdowne6df1f507019825c13dfbe23ff7c9759d541a933472ec7f9e3c655714a8ba38a
PDF
Publication page722e6349b14300793a3b7a0aeb8d93efff3e53d490a30d73daa84ab01bb243f8
Manifest0240b0ae947fcc2d13f4f4ed42b9292fcd13ac92eb39e28a340e00e662ae507f

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
Signature4U+PMrJq/Q404mZcq7UvIAo9Iz5PxAXDz37iV8qnMIdsWQxAgQPWK2zl0eUejJes2d9J7ZQNSbfyRGnkGGuMCQ==
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

2026-09-17T11:22:51.847985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038620
observed 722e6349b14300793a3b7a0aeb8d93ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:51.822527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038620/manifest.json
observed 0240b0ae947fcc2d13f4f4ed42b9292f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:51.804603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038620/publication.md
observed e6df1f507019825c13dfbe23ff7c9759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:51.778324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038620/publication.txt
observed 67aaa6a397025d86ff8e7bcdee213f54...
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.