OpenTechnical

OT-2026-000039981

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000039981) never changes.

Identity and time

Publication numberOT-2026-000039981 · never reused
Internal UUID01a0ae78-d8d7-7eb8-bd2f-745896612b8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039981
StatusPUBLIC

Content hashes

Canonical text341b283f6e675c34e00fbe9beee65889e1d2f6c8ae3358b4183b01dfd3ed3367
Markdown7ae4176d49479bc78cf602d2d9020da2d7f9adce9640677972cb08b54aa41fb7
PDF
Publication page2f338c60fc65b9f6c9dc70e1df1fc792268d621006266f205fc3b34d57b4322d
Manifest9a7e09f417e1979315ed383c048989107421e95670a5c9e8b497629c5ec19020

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
SignatureRdsaSjDA94Syn6tzrQHwfU0Q8RZ/DdwGLzF/xmPUPvxQyDnS3ejh/MB/7oAZjmuVw4XLgtRyYOMeVzrnK0UbDQ==
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

2026-09-17T11:20:18.557537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039981
observed 2f338c60fc65b9f6c9dc70e1df1fc792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.538038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039981/manifest.json
observed 9a7e09f417e1979315ed383c04898910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.517722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039981/publication.md
observed 7ae4176d49479bc78cf602d2d9020da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.497781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039981/publication.txt
observed 341b283f6e675c34e00fbe9beee65889...
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.