OpenTechnical

OT-2026-000071233

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000071233) never changes.

Identity and time

Publication numberOT-2026-000071233 · never reused
Internal UUID01a0ae91-e0ec-78f0-b081-3101e2f799c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071233
StatusPUBLIC

Content hashes

Canonical text821cc9b696f9a8b0a52674c37144ca55d83337ac02791aabfe0e1029c405cb25
Markdown1860536aa3f4a53e97e0d8e72374a7c3055c2525bfb358a3125b469707d62a67
PDF
Publication page8037dd49594420c9e0909e9e656b135cb0b0d13b8056a5f903ba9cbc90bd1fc8
Manifestb0fd62f873eb0755eccdacd6496c60b0a38853a256283a9185833511d8c85ce6

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
Signature9jJx1x/Eg4aZgu9wh2lQ/sNS0rY/yZgVug1qy2gzONdqGgcqFGmc1hYn+lbZZgQIVQu+Dga2KojjWRDWdj+HAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:46.700598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071233
observed 8037dd49594420c9e0909e9e656b135c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.684281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071233/manifest.json
observed b0fd62f873eb0755eccdacd6496c60b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.667176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071233/publication.md
observed 1860536aa3f4a53e97e0d8e72374a7c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.651151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071233/publication.txt
observed 821cc9b696f9a8b0a52674c37144ca55...
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.