OpenTechnical

OT-2026-000005423

Publication integrity record

Porous face vacuum gripper, three outlet manifold, ejector fed, 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-2026-000005423) never changes.

Identity and time

Publication numberOT-2026-000005423 · never reused
Internal UUID01a0a938-8aaf-7c94-ae78-7b5eb49d8bbc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:57:30.162508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005423
StatusPUBLIC

Content hashes

Canonical text82f521b89235bd41b29bd84b49ceade30698b48ee205c69491f743d7d6bd010b
Markdown57de3a8126ab5fb2c3f8c710a2530303a79fedad48b6be2410965244f93c1f5e
PDF
Publication pagee7e52074a4d233130383384486b501e84839ee73a28deae5ce7948af288883b1
Manifest3c17c2068c2e4ec919a52f8f30cc4c35b2a29d643c25ce58cd7158331a6458b7

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
SignaturelANXKaiasifft2glehdz72XEFVwv+69gckTzYwc94ovwvAfBUqjkOvWbR013UIrLpkBqa5Zq0zdMQ6rtiPknBw==
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

2026-09-16T08:00:11.235926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005423
observed e7e52074a4d233130383384486b501e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:11.220578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005423/manifest.json
observed 3c17c2068c2e4ec919a52f8f30cc4c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:11.205975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005423/publication.md
observed 57de3a8126ab5fb2c3f8c710a2530303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:11.189142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005423/publication.txt
observed 82f521b89235bd41b29bd84b49ceade3...
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.