OpenTechnical

OT-2026-000097841

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000097841) never changes.

Identity and time

Publication numberOT-2026-000097841 · never reused
Internal UUID01a0aea1-92f6-7b41-9420-9641b0bbf7a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097841
StatusPUBLIC

Content hashes

Canonical textd8e987330b67e697669524cebea6223e6e8328f78ad1c01b9b44c08debf0616a
Markdownc6441b5821f7f4849172c9b2c1a398bbc213907ecbe0f9c51d9db62476e1cc36
PDF
Publication pageac17cc3d2da78f7fed2966ad6db49efac59d4e5eed61377a50a35f811501ec80
Manifestd77b9b56158d2350b3ed1c428d42e93e61776dbf1c8f3977dec92cf31a26e238

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
SignatureHdLl5otFzAXd8bfidJ8KDyvvS3swYsSn490P9qj8qYVSKg8mz2z7pbszW+6+iZlWxYkQkWlqYuc6ETGSZ6FxAQ==
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

2026-09-17T09:32:56.587494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097841
observed ac17cc3d2da78f7fed2966ad6db49efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.569424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097841/manifest.json
observed d77b9b56158d2350b3ed1c428d42e93e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.551245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097841/publication.md
observed c6441b5821f7f4849172c9b2c1a398bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.532064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097841/publication.txt
observed d8e987330b67e697669524cebea6223e...
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.