OpenTechnical

OT-2026-000067453

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000067453) never changes.

Identity and time

Publication numberOT-2026-000067453 · never reused
Internal UUID01a0ae8f-6bd9-71dc-ab53-ff9cce89de3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067453
StatusPUBLIC

Content hashes

Canonical text39f42554b210bfda38d6696c609892b96032f1e684516a0f129f1c8c3928d6fc
Markdownb42d3632c812202785b69123a310bad950ff1b47148f21364a412ee668ca85fa
PDF
Publication pagef73dc3eb3bb09a564a0188b1deaad0e09f53277c43340fa3cfa849d809bf9c32
Manifestca3ad496b38d024ea14aca4ce58bd8df508a95d10ab128c7a0357f0fcdc910b5

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
SignatureNXKGjrJb+0/MbC/bY91UEvnXnwFUQBZ9F9o6PSkvcMBoeZ/VKmJmX/Cr9bB6CezB+ogQSnfjpmo07lD2AyCBBA==
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

2026-09-17T10:31:39.518290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067453
observed f73dc3eb3bb09a564a0188b1deaad0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.501379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067453/manifest.json
observed ca3ad496b38d024ea14aca4ce58bd8df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.485889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067453/publication.md
observed b42d3632c812202785b69123a310bad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.469455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067453/publication.txt
observed 39f42554b210bfda38d6696c609892b9...
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.