OpenTechnical

OT-2026-000007345

Publication integrity record

Vacuum cup gripper, two zone face, common isolation valve, ejector fed, vented before set down

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-2026-000007345) never changes.

Identity and time

Publication numberOT-2026-000007345 · never reused
Internal UUID01a0a97b-855d-7592-99d3-61c392f8d0ec · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:10:39.712543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007345
StatusPUBLIC

Content hashes

Canonical text3d9e0cd77ffea8204c7e056392ccc455c1c1e3eceac4c6ab01fc9aa853af9b6f
Markdowncea962a264e6c803c214502d62005c6902827edb23bfda386e30acc9de558adf
PDF
Publication page3412ba9e31bf63839113f0b68cbd31b015187f85c5a85f9bdfa6750a0ccc0276
Manifeste80dcd6b00ac53ec57c8ac2b3ea7dd7f11f1fb1eb19d6a1e7c7b3905432bd877

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
Signaturemw9YRNe3bHP/gNupMuxYJKlZ9xL772/EkknEvZNTPkj2yy+aSsvLuv9EfpG/3EiuB/yF6ZlmvlemalgcM8N6Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:10.545007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007345
observed 3412ba9e31bf63839113f0b68cbd31b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.530202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007345/manifest.json
observed e80dcd6b00ac53ec57c8ac2b3ea7dd7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.516222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007345/publication.md
observed cea962a264e6c803c214502d62005c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.504093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007345/publication.txt
observed 3d9e0cd77ffea8204c7e056392ccc455...
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.