OpenTechnical

OT-2026-000060150

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000060150) never changes.

Identity and time

Publication numberOT-2026-000060150 · never reused
Internal UUID01a0ae8a-5a71-744f-97f7-8668655d68cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060150
StatusPUBLIC

Content hashes

Canonical textbbe483e2291fef60686334700116b0dfbc34589cc05168c88f0274e52969b49f
Markdown19b8ef2a67ccb3b57ed5e88da983511188d81750b551bc353ad0541b2e4dcfb5
PDF
Publication pageec9bbd2727255cb6cf355bb43ab01c892ebd80c88020563c810f3c2aecc7a7a9
Manifest28a707500dae42aceaf4acd25d4b1ac02d6fe0be7e22f39cd524480e1e052b39

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
SignatureTG2wPYjM7IxKHN+g+LNrenYZQx+Ekfu1wlQUhxvYGdB+HGr1PA4IK9W45fBx3pwL9CClynJpIUhK77MKw/NuBA==
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

2026-09-17T10:43:48.536730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060150
observed ec9bbd2727255cb6cf355bb43ab01c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:48.518939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060150/manifest.json
observed 28a707500dae42aceaf4acd25d4b1ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:48.502593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060150/publication.md
observed 19b8ef2a67ccb3b57ed5e88da9835111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:48.484039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060150/publication.txt
observed bbe483e2291fef60686334700116b0df...
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.