OpenTechnical

OT-2026-000060433

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, vented after 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-2026-000060433) never changes.

Identity and time

Publication numberOT-2026-000060433 · never reused
Internal UUID01a0ae8a-b7cb-72ee-9df7-bb8db201870d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060433
StatusPUBLIC

Content hashes

Canonical textf492a42516ebbf74410b62be638cde0745ab1bae339cfddd0480f6f6dd129f22
Markdownb9722c76c71d491c0117c3f3cc4effcecd11cd85a8ee811ee9a9d937019f765b
PDF
Publication pagea23673bc3a137d5814036719e5f4decdb1e2448cc4b50dddeae39e284a499bd5
Manifest6519eaf4217adc61091133f7e5939c3a4ad00e5f83bdf57ef3412506c84d714b

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
Signature+QWe2C2uMtCN2W0NINshmWYoFnEaD0PYUvpi/lSLTW72PQVxLYCSyNrvMRgGgtDbBAHZrs6P+aeRvTbGxnI9CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:54.593701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060433
observed a23673bc3a137d5814036719e5f4decd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.575937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060433/manifest.json
observed 6519eaf4217adc61091133f7e5939c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.557567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060433/publication.md
observed b9722c76c71d491c0117c3f3cc4effce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.539467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060433/publication.txt
observed f492a42516ebbf74410b62be638cde07...
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.