OpenTechnical

OT-2026-000043018

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000043018) never changes.

Identity and time

Publication numberOT-2026-000043018 · never reused
Internal UUID01a0ae7b-3278-79be-b571-26dfc3b66bfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043018
StatusPUBLIC

Content hashes

Canonical text7a8aa3ec5fb7ed3f264bdaf20d4b63b2ed8863c29a19a3d6bb026905ac761075
Markdown2a17f9795ad2be9af09b12072daea38e5df6a1cd79765d2a995ee5287740d08d
PDF
Publication page122823d49ff511cfe3dd9325d0db35309c797c0a1b571bd52512f51e3e6f096f
Manifest8a08deeb3bd7dc0171cd022e4583d8aa0d765112094a466b69b0c1e76ac78b89

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
Signaturec6d9wPU9z0/KiaKWagHqTZM1SxPP6fAUZDQcLuGsEc5xYLwWXJgoyHNd/PS+4YTWtSRLPG5+nlKcDbSerAsmBw==
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

2026-09-17T11:13:19.946962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043018
observed 122823d49ff511cfe3dd9325d0db3530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.930576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043018/manifest.json
observed 8a08deeb3bd7dc0171cd022e4583d8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.912723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043018/publication.md
observed 2a17f9795ad2be9af09b12072daea38e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.894477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043018/publication.txt
observed 7a8aa3ec5fb7ed3f264bdaf20d4b63b2...
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.