OpenTechnical

OT-2026-000003654

Publication integrity record

Porous face vacuum gripper, two zone face, two outlet manifold, three stage ejector

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-2026-000003654) never changes.

Identity and time

Publication numberOT-2026-000003654 · never reused
Internal UUID01a0a90a-a6d6-7664-8c1c-c5bd634b1388 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:22.712471Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003654
StatusPUBLIC

Content hashes

Canonical text94036c1552070bf47cf35e1dcac67ac583ec3d903d441ceec8ad3d2e985be2ca
Markdown6754c62aa8d01388d0454c13ff3fbba7059bf4e4f4495b56d50488d5a5a4d500
PDF
Publication pageaa61663ef0eba74c1e303ab3a386c4cfd47408ef78edb9d077d095bf20dc2043
Manifestb410228d6886efdcae0b23c6518fbdb12dc107ce3c12dc10c61504f840974e00

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
SignaturemI5Mk8AC53YTK/tKGWEzPzz/ErQNL3U13gnWscXa0qfdECm0ewjl4nvY/KATMlMwVU/Guvs4Dqh+jaWug99uCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:20:37.225417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003654
observed aa61663ef0eba74c1e303ab3a386c4cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:37.210897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003654/manifest.json
observed b410228d6886efdcae0b23c6518fbdb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:37.195486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003654/publication.md
observed 6754c62aa8d01388d0454c13ff3fbba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:37.180625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003654/publication.txt
observed 94036c1552070bf47cf35e1dcac67ac5...
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.