OpenTechnical

OT-2026-000079874

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000079874) never changes.

Identity and time

Publication numberOT-2026-000079874 · never reused
Internal UUID01a0ae96-4376-71c4-9091-47a47657e5d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079874
StatusPUBLIC

Content hashes

Canonical text25a5d68a73e007baf4052f28c866361eb5ae254c9bafc46d550a445b5386e0ac
Markdown7b97a26dccc4a13011dbb97ec4761f40106e803412ca1bf0fea4bcfe89c03ebb
PDF
Publication pagee5b7fd70d2b16c876f58ad739cf05f17a9f468f1485005aa321f7f7ee93ea281
Manifeste5ef1f717e8201bdab01f041b6fe742c55235cc52a749b3981d609dc8f79bb28

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
Signatureiy1fScOLkXAfU6MVevcpUltwOeUmaR9WiVvbwTSkqjlXLCEwccZei0GbwOpOyVU8/82hMEmgJrZH+9wOFxAvAQ==
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

2026-09-17T10:03:45.967545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079874
observed e5b7fd70d2b16c876f58ad739cf05f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.947434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079874/manifest.json
observed e5ef1f717e8201bdab01f041b6fe742c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.928027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079874/publication.md
observed 7b97a26dccc4a13011dbb97ec4761f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.910190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079874/publication.txt
observed 25a5d68a73e007baf4052f28c866361e...
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.