OpenTechnical

OT-2026-000076151

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, 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-2026-000076151) never changes.

Identity and time

Publication numberOT-2026-000076151 · never reused
Internal UUID01a0ae94-6a6f-722d-9e56-2459cc8962c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076151
StatusPUBLIC

Content hashes

Canonical text7b02bf2f6d76f3c3cf9cce9c4de1754bac24c9eb9aa79c2a670fb6cf435c7500
Markdown50032d1cf81a40f2bf00597a0a8c8f325c63e4557feaa625273572bc44b3f5b2
PDF
Publication page5f311c97a65d2018e65f9f8438278da3f60c6422e9853f6fbee46cb1a48429ea
Manifest1e9becabedd87f0fcab2d2f44bacb54a12ee85a17596546bf103c2e2eba2806b

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
Signaturep7XEbT4FR9z3u3a+ft+ogqCQX7nQK022SVMrSU/wC+pdGRJtbITk15QCb/frrQ/IOGPQ9TGfKgru3cwbA1MRBQ==
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

2026-09-17T10:11:12.532023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076151
observed 5f311c97a65d2018e65f9f8438278da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:12.511050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076151/manifest.json
observed 1e9becabedd87f0fcab2d2f44bacb54a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:12.490925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076151/publication.md
observed 50032d1cf81a40f2bf00597a0a8c8f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:12.470904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076151/publication.txt
observed 7b02bf2f6d76f3c3cf9cce9c4de1754b...
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.