OpenTechnical

OT-2026-000023929

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000023929) never changes.

Identity and time

Publication numberOT-2026-000023929 · never reused
Internal UUID01a0ae70-aed6-7888-aced-be0866a08ae3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023929
StatusPUBLIC

Content hashes

Canonical text7877c186ef4e7ff283580449cc237d719ed2dc63e3d098a66e750a0d8acc5c20
Markdown1a92b4603e2cb6e9d3f9c0120164cb35ec97178a5cd4c9698ecbaf382d70f035
PDF
Publication pagee813a7bf129b94358128a2904a5eae91c7b87477cd7531528163eeddae233660
Manifest15d9dca31d415ab87d8c06a8f8f7cfb35f54e49a32bf13d056d964701684084f

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
SignaturegA20/Iu+RHGbYF3gGrLd/GotpihJKgJ7a4mLkOgBUEpynk2om2gkGzrrI9fqN0gNOyxc0ESGgZ6OuwTJnjMRDg==
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

2026-09-17T12:41:14.037009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023929
observed e813a7bf129b94358128a2904a5eae91...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:13.663219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023929/manifest.json
observed 15d9dca31d415ab87d8c06a8f8f7cfb3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:13.183704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023929/publication.md
observed 1a92b4603e2cb6e9d3f9c0120164cb35...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:12.883004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023929/publication.txt
observed 7877c186ef4e7ff283580449cc237d71...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.234373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023929
observed e813a7bf129b94358128a2904a5eae91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.217038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023929/manifest.json
observed 15d9dca31d415ab87d8c06a8f8f7cfb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.198518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023929/publication.md
observed 1a92b4603e2cb6e9d3f9c0120164cb35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.179022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023929/publication.txt
observed 7877c186ef4e7ff283580449cc237d71...
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.