OpenTechnical

OT-2026-000005059

Publication integrity record

Porous face vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure verified

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-2026-000005059) never changes.

Identity and time

Publication numberOT-2026-000005059 · never reused
Internal UUID01a0a92c-8f38-7fe0-9db2-09e0b34d3ed3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:24.891621Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005059
StatusPUBLIC

Content hashes

Canonical text9ba29891836c7960351a1933eb3243cdfbfbf5dc5891fdb4cd7be9b1c8719d9e
Markdown28fa4556667435ee96514aad7d107a8bff2d14e96eeb45224e08188f1cfa9932
PDF
Publication paged3e8b302bf4cb04a7e9f46297b96ec2dea549fde2ca4f354564006107f385123
Manifest8de19a433b316cf1c3c157f5d11f755f002413eb029fde14d6acfee34e19c8e4

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
Signature8Np82+7m7IInwJOki0FhRZoBWupVNmtGhqtuxIwPEnCyO/e9XUBvDYjaDzxcH8SQprsVjvfplYpcRjUpi5tzDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:19.960118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005059
observed d3e8b302bf4cb04a7e9f46297b96ec2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:19.947508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005059/manifest.json
observed 8de19a433b316cf1c3c157f5d11f755f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:19.935118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005059/publication.md
observed 28fa4556667435ee96514aad7d107a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:19.923156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005059/publication.txt
observed 9ba29891836c7960351a1933eb3243cd...
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.