OpenTechnical

OT-2026-000102274

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000102274) never changes.

Identity and time

Publication numberOT-2026-000102274 · never reused
Internal UUID01a0aea4-50f3-7eea-b8f9-05dc5396b704 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102274
StatusPUBLIC

Content hashes

Canonical text63d63381fd4385f2dac931c31bf69100af128f456a32d681a52f33857bee29c2
Markdown03df7900aea7c3903f4fc9c6b6f11569ce9829c7ad3a3e284c2cf693aa06fde4
PDF
Publication pagec9bb3f467ae077de83ebef62ec171307a910d1af13778e69b82272a4a68d24a1
Manifestcd305cfbf8480e9a0183ff922fe95c780673cc3ca960e8a2ef21c94777f46fef

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
Signaturee2t9P87W9+IUQzb5sv8Zf6bHDvU+wMSXmtA1ZMkVYYHuIgzweOpPOPknPmDIjCKWoeXeokzLaSGb6Z5ZZT/fCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:27.772878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102274
observed c9bb3f467ae077de83ebef62ec171307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:27.754222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102274/manifest.json
observed cd305cfbf8480e9a0183ff922fe95c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:27.736273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102274/publication.md
observed 03df7900aea7c3903f4fc9c6b6f11569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:27.718541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102274/publication.txt
observed 63d63381fd4385f2dac931c31bf69100...
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.