OpenTechnical

OT-2026-000033208

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000033208) never changes.

Identity and time

Publication numberOT-2026-000033208 · never reused
Internal UUID01a0ae75-4844-7b36-a234-e9aa7279233c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033208
StatusPUBLIC

Content hashes

Canonical text64199369dc6ae220c99cad1eab07ae5d683c01cc3902bb678514151e0062359e
Markdown2be78c921873269270c42356e751ee5cbdded47e31eec86ec82ddfb5f12a95ca
PDF
Publication page492babaf45af59faf92cb1cfc0f3e2ada67201eb80f95382066eb3d82d69e603
Manifest98e648e6870e70b479f48c108cc4872d48a11a9e4e8cd79044cfc4d04c889030

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
SignaturefrHHuSZDunTfGHq1iWKdcASu4O2JVK/qyy0f8T9/hv7sa1/uIPYwD0Y/XDK9MQGis5PMNfvPVcWN+mWcyt7LBQ==
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

2026-09-17T11:32:54.504480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033208
observed 492babaf45af59faf92cb1cfc0f3e2ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.488423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033208/manifest.json
observed 98e648e6870e70b479f48c108cc4872d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.472893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033208/publication.md
observed 2be78c921873269270c42356e751ee5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.456184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033208/publication.txt
observed 64199369dc6ae220c99cad1eab07ae5d...
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.