OpenTechnical

OT-2026-000025359

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000025359) never changes.

Identity and time

Publication numberOT-2026-000025359 · never reused
Internal UUID01a0ae71-5fa7-716e-974b-26b10c6feaa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025359
StatusPUBLIC

Content hashes

Canonical text965156b3d174d14c58eea532d632dc5f5515174bcb8f1f3dce2cd2518fe785c2
Markdownb91c9dc2e6093b658c3e9a3be73a5f9cfaf59d156f8bc287da7fd1a4a900e22a
PDF
Publication pageb806712e5c0a3bf74f7700a74f85e2c8a16987cff8a72b92672701695ba07d26
Manifest56e640120fc7367860876594e2baa0236dcbc5900cc4b582a0bd54f031f53281

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
SignatureMgWgVZoS1cQhuk62pAGKh2LWlOWSt9EVH6HQ3CJhJQ811BBMJN1ydfZToIDQ3EAhXpmSB4K5DpovQyRHraMNBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:24.983914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025359
observed b806712e5c0a3bf74f7700a74f85e2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:24.965462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025359/manifest.json
observed 56e640120fc7367860876594e2baa023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:24.942990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025359/publication.md
observed b91c9dc2e6093b658c3e9a3be73a5f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:24.921414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025359/publication.txt
observed 965156b3d174d14c58eea532d632dc5f...
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.