OpenTechnical

OT-2026-000015550

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000015550) never changes.

Identity and time

Publication numberOT-2026-000015550 · never reused
Internal UUID01a0ae6d-ef4b-7881-a5eb-f8e21d09a917 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015550
StatusPUBLIC

Content hashes

Canonical text030c34450112cf5ae537af68d98efe3829f7164e65b5a077bcecffa760533626
Markdown8e2322201277a0743adf947425627f07bbfc4c2e13f1e21988800e8d4d4aac1e
PDF
Publication page5768cbe94ed78219e252639ca62a4d24e0bb6414e0c9d83220e1d93cb1b7e303
Manifest4ca7ace5199e69c15e9e9b9ae4ce045cb4830fe3528cab09823d3765003c5602

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
SignaturexQLO0sDxaWEFxbPS5KGw7Cdg1+4f1zQcUwGw+OJjA8QvMHASyrcCSZR8xzPAP7SXADJJJkmOy0u8XoKmAEPnBg==
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

2026-09-17T12:06:20.124456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015550
observed 5768cbe94ed78219e252639ca62a4d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.103759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015550/manifest.json
observed 4ca7ace5199e69c15e9e9b9ae4ce045c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.081545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015550/publication.md
observed 8e2322201277a0743adf947425627f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.062712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015550/publication.txt
observed 030c34450112cf5ae537af68d98efe38...
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.