OpenTechnical

OT-2026-000044115

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000044115) never changes.

Identity and time

Publication numberOT-2026-000044115 · never reused
Internal UUID01a0ae7b-d67a-71f7-8da8-1eeec85a3f70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044115
StatusPUBLIC

Content hashes

Canonical text111cb8b768808b4be8e6d3a289fa11f99ed4b1a68e39d31a6829ad05ce749be8
Markdown62ba7ba2e249c0202b47cc442b89241d0fa9762213b74dfac0d7b1b818b6c041
PDF
Publication page3f5e36db4513e4155d20950d433be30ef7d05388ff3988cfd62b743a7a4d7edd
Manifestfc4fd91dea971eb7a97355bbc51b0842b553eae6a84137616c6333b4c352c5c2

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
SignatureW7oLtS1JHBZTHEOzWGYikVcEuHK+Uai04BH59Zpo5zWqG9d7mzj2Cz6Q8z3DHb4PjepEr4UQ63zHESYTYRxcBg==
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

2026-09-17T11:12:31.743488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044115
observed 3f5e36db4513e4155d20950d433be30e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:31.726184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044115/manifest.json
observed fc4fd91dea971eb7a97355bbc51b0842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:31.707767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044115/publication.md
observed 62ba7ba2e249c0202b47cc442b89241d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:31.687567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044115/publication.txt
observed 111cb8b768808b4be8e6d3a289fa11f9...
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.