OpenTechnical

OT-2026-000034022

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000034022) never changes.

Identity and time

Publication numberOT-2026-000034022 · never reused
Internal UUID01a0ae75-df0c-75c8-aebf-152d4928b425 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034022
StatusPUBLIC

Content hashes

Canonical text4cba3495386a2c2a75e94bae82ed450ed885516549df6cce4932a0578fe5c548
Markdowna78b06ff840c87a5496d38e657ac4dbec52b67557645ed3232aa039d032ad0cd
PDF
Publication pageed5d992f7405d4e42407031cf938c486989a4d7153482af7b5ced41f4373df13
Manifest48b483412dacc7cfe582c21f0dc74d3895bc440a984beb462f5bff6c93f13bd2

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
SignatureTXgk6fZmyeCXNnN2mzFX90wEfGxBE/vZPkYsohhGbzfeIta7AbYab84VgPplowKgTvLS4eeitmSQtuRx0RBkBg==
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

2026-09-17T11:30:14.838334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034022
observed ed5d992f7405d4e42407031cf938c486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:14.819062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034022/manifest.json
observed 48b483412dacc7cfe582c21f0dc74d38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:14.797183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034022/publication.md
observed a78b06ff840c87a5496d38e657ac4dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:14.776033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034022/publication.txt
observed 4cba3495386a2c2a75e94bae82ed450e...
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.