OpenTechnical

OT-2026-000003710

Publication integrity record

Porous face vacuum 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-2026-000003710) never changes.

Identity and time

Publication numberOT-2026-000003710 · never reused
Internal UUID01a0a90a-d007-70b1-8cec-a9500df17971 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:33.257575Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003710
StatusPUBLIC

Content hashes

Canonical textfbd7286ebc0d46d7e7f15e9cfd11c674e36aeb2f99d8f4c0dd6eb0ab38c17ada
Markdown00fd1b73ab32ba89ba27071ce9e41214cc30180d61cb36ca69002f5ffc6134af
PDF
Publication page7e1ed432111545652004ff57dcd7f9d4b40d752d486cf32cff5c698e6935e6b9
Manifest2f23703dc027be7f533e89f22f2baacdee1d8626a634ecbadb96dc363649dbeb

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
SignaturesgRocN6r44lSLP8rOw1pcbaNU3tNtRdHdmESwz27hFqJr1+wjdi1YAL4VrEgy4cvz6FzEHj1dM7+EI2YihUbBg==
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

2026-09-16T08:00:35.656397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003710
observed 7e1ed432111545652004ff57dcd7f9d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.641507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003710/manifest.json
observed 2f23703dc027be7f533e89f22f2baacd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.626680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003710/publication.md
observed 00fd1b73ab32ba89ba27071ce9e41214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.458853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003710/publication.txt
observed fbd7286ebc0d46d7e7f15e9cfd11c674...
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.