OpenTechnical

OT-2026-000030773

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000030773) never changes.

Identity and time

Publication numberOT-2026-000030773 · never reused
Internal UUID01a0ae74-3fb4-7e07-90be-40f4abff5c60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030773
StatusPUBLIC

Content hashes

Canonical text71c7b24499c6064e176f9809508e0b273dd194e3a340ec99a0193875b319bd0c
Markdown0a2009ff514e426e1e3d2cb31778f4df6248d7cbcb2e929499e7bae51683d229
PDF
Publication page91c846d5ff1a344f8cdf34165b673ed9262b394ecb58b626d10d8eebf239dac0
Manifestc8ef24fce0da66d77ce2ce2587d599a384bbadfff3da7b8291b07316dcba678f

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
SignatureDm8vncOfYtlEf0m6RzWnYqr8a8Lk6ndzLzE+0MEuv0CVN9MzBDO01oV++1LD1RH1sRo5pXFHCZMquzk4OwcTCA==
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

2026-09-17T11:36:43.817868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030773
observed 91c846d5ff1a344f8cdf34165b673ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.794671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030773/manifest.json
observed c8ef24fce0da66d77ce2ce2587d599a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.778739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030773/publication.md
observed 0a2009ff514e426e1e3d2cb31778f4df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.760414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030773/publication.txt
observed 71c7b24499c6064e176f9809508e0b27...
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.