OpenTechnical

OT-2026-000090022

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000090022) never changes.

Identity and time

Publication numberOT-2026-000090022 · never reused
Internal UUID01a0ae9c-428e-76a1-8e61-006c15eaefd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090022
StatusPUBLIC

Content hashes

Canonical text57066627e3e0fe9923576151a1c5c7aaa40d44deade0917e8578ac214b5a4c79
Markdown85eedc7710df0e976bcf7dacaf6a84076f240e3a71facebdc919d8bf81b3582f
PDF
Publication page6b03593a290190112c2ea6f017cbb4eb30fca58fee5ac58a6ad91864a2819085
Manifesta4756d5eb45b9f2ffd2988d0d1bcd86e8e082e28ebe66157ada89b9b200fa742

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
SignatureSzRCK3a8erkekqTt37HmYq48qGgS9zjpyZZAt4bylieBJK9ew+l1q9X6n57A8x8h4IROhNAzBxCYHaJCTumxCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:02.775814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090022
observed 6b03593a290190112c2ea6f017cbb4eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:02.757018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090022/manifest.json
observed a4756d5eb45b9f2ffd2988d0d1bcd86e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:02.739661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090022/publication.md
observed 85eedc7710df0e976bcf7dacaf6a8407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:02.721989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090022/publication.txt
observed 57066627e3e0fe9923576151a1c5c7aa...
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.