OpenTechnical

OT-2026-000005580

Publication integrity record

Porous face vacuum gripper, per zone isolation, four outlet manifold, two stage ejector, contact triggered

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-2026-000005580) never changes.

Identity and time

Publication numberOT-2026-000005580 · never reused
Internal UUID01a0a93d-f097-7da6-b2dc-2d13c1c84c2e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:03:23.929927Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005580
StatusPUBLIC

Content hashes

Canonical text24700c253c00799c354422490c5f0f386c697ce4b46ddd87189b82794d45fbcd
Markdown4b6078208892002bd2121f84058bfa3e52693c16225840bb38990c117c427bfd
PDF
Publication pageb7aaa873ae48d39adfbffacaadc49bf21d78b65713c3ba1225c3e4f133df196f
Manifest374d131d5c84c139581b26e61562babc873dd38365e69f49c0730265d40af0e1

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
SignatureAeeAvugEA29+In46h3OJ37Y5C+SPJdxGR1fAYR3nB+NjJMsLfCwXa7lQwgbhsgnccsMnccTZ6AT6nHS3FpikAw==
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

2026-09-16T08:10:24.436787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005580
observed b7aaa873ae48d39adfbffacaadc49bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:24.422831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005580/manifest.json
observed 374d131d5c84c139581b26e61562babc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:24.410211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005580/publication.md
observed 4b6078208892002bd2121f84058bfa3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:24.396840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005580/publication.txt
observed 24700c253c00799c354422490c5f0f38...
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.