OpenTechnical

OT-2026-000060825

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump 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-2026-000060825) never changes.

Identity and time

Publication numberOT-2026-000060825 · never reused
Internal UUID01a0ae8a-b7d1-74db-8898-a022a658cb75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060825
StatusPUBLIC

Content hashes

Canonical textf89b3d557ed8b8ba839d8c9ac750ae7ddf33cd4761727e50e01d1f5066380956
Markdown90b7e8758a28d416ca4d37fc7e777df2cd44f48f4504a25eed412369cc75371e
PDF
Publication page2f71a10b9bc553039fe4a05d87a9c4a716f3151ecd262bcbc9679f9a2a490d1a
Manifest6b20ade8097fa718722dec0b8df20f5c73031efaa1868c2285f2680310a710e5

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
Signature+VL336wxPYQnZ98prmHOk7MBED8oGcb4LYXvJBj/Bcr3EGWTaqzmBylfhN4+PFGYsZvtim5cCOhtoCaOIkGXCQ==
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

2026-09-17T10:43:34.638587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060825
observed 2f71a10b9bc553039fe4a05d87a9c4a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.619691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060825/manifest.json
observed 6b20ade8097fa718722dec0b8df20f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.601214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060825/publication.md
observed 90b7e8758a28d416ca4d37fc7e777df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.585377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060825/publication.txt
observed f89b3d557ed8b8ba839d8c9ac750ae7d...
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.