OpenTechnical

OT-2026-000005411

Publication integrity record

Porous face vacuum gripper, per zone isolation, four outlet manifold, plant vacuum fed, open cell

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-2026-000005411) never changes.

Identity and time

Publication numberOT-2026-000005411 · never reused
Internal UUID01a0a938-2a52-7ed2-96be-d036aa578baa · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:57:05.493641Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005411
StatusPUBLIC

Content hashes

Canonical text976b3322f196fbed120846e64a19ec14a26ad4a4ca5a55595d70d13a6924f322
Markdown241097ea2853df6baa4c5486a36b1bbc23aae17740c411d431bc2fa6a6aa70f5
PDF
Publication page56066ff53d75171fe296f131ca79ded487367ea3799596df17ec5e41cbb62feb
Manifestd5510c44efe40ea8582b0b958ac68a205bf52386130d015f7fb751967ba99af4

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
Signaturem0UtYeW5fkQcXUeYiFPvAkj0f8c56LT1nlz0lPQZCzYikrl3cN4QGlLEvVxglxmOckUVnDfLSERToZNme9ODCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:12.679725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005411
observed 56066ff53d75171fe296f131ca79ded4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:12.666680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005411/manifest.json
observed d5510c44efe40ea8582b0b958ac68a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:12.652741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005411/publication.md
observed 241097ea2853df6baa4c5486a36b1bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:12.638922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005411/publication.txt
observed 976b3322f196fbed120846e64a19ec14...
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.