OpenTechnical

OT-2026-000003904

Publication integrity record

Vacuum cup gripper, per zone isolation, four outlet manifold, ejector fed

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-2026-000003904) never changes.

Identity and time

Publication numberOT-2026-000003904 · never reused
Internal UUID01a0a90b-69b2-7f41-a9d6-0972e92b9739 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:12.596631Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003904
StatusPUBLIC

Content hashes

Canonical text10a69435df2e48392a879b955c352a724bf5100ae8274ab56dcedf152fa0569b
Markdownd7f8bf261c97b670d14805ad060235adb99956327a1c22a7a880668005dacb93
PDF
Publication pageeba3e06876fe436c7fb15e4929d6c78fb6adce5b69c8be1aa23487766d15624a
Manifest3462a15697bbfe25927fc6b63557756bfd4abcc7e92f485fb70527bc31f3b0d1

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
Signature58LMvdeqT2h33TSCz4/LKh/8wevniNcjnyA3suQZhrl2n1ZJb9jW6AUZYbaumDW3GJjzjEtCCXqv5ODJ8eJrBg==
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

2026-09-16T07:10:13.205191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003904
observed eba3e06876fe436c7fb15e4929d6c78f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:13.190015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003904/manifest.json
observed 3462a15697bbfe25927fc6b63557756b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:13.177219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003904/publication.md
observed d7f8bf261c97b670d14805ad060235ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:13.164202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003904/publication.txt
observed 10a69435df2e48392a879b955c352a72...
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.