OpenTechnical

OT-2026-000061118

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000061118) never changes.

Identity and time

Publication numberOT-2026-000061118 · never reused
Internal UUID01a0ae8b-137e-7ef6-8f51-0464b862cf63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061118
StatusPUBLIC

Content hashes

Canonical text9661b6c97ac65612da18425e552160071404ebe6b20d36aac44160ae89eb8fe9
Markdown0ee4950c26638cc059e6328ed44450192d34226823a235063d791dfd8a8c5fde
PDF
Publication pageb20e2c3852839b40bed0f346d2f5fd22caeffc3802d1a50d76f34d1036421533
Manifest30a5e2a53205388711fa09a26b97d1f710534ff0bc08b4f1617866220970e531

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
Signature5fVfR1yMllwpxdCk7vAjZ+x4Y1tyKPnoIZ+3Ml3o9takHdS5Mx+WXM3z02yf13yrzdaznji0PVKkQMNbiANNCQ==
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

2026-09-17T10:42:29.510829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061118
observed b20e2c3852839b40bed0f346d2f5fd22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.491494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061118/manifest.json
observed 30a5e2a53205388711fa09a26b97d1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.473289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061118/publication.md
observed 0ee4950c26638cc059e6328ed4445019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.455181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061118/publication.txt
observed 9661b6c97ac65612da18425e55216007...
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.