OpenTechnical

OT-2026-000090176

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000090176) never changes.

Identity and time

Publication numberOT-2026-000090176 · never reused
Internal UUID01a0ae9c-428f-7dce-9e97-57af58fac70f · 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-2026-000090176
StatusPUBLIC

Content hashes

Canonical textdc39551cfce5374a7875d71adcbd3fe72efa9dfcda8fa7dc0bef100f96d1ad35
Markdown9503670a1a4320013b7b1ddc048d09d1c251ada8b7e42f0d7f749ea35024b9e2
PDF
Publication pagea37c9d30bb539e1f5a7a1d26a7bcbe33a9fadf1d81b8a70719a358047c7e9245
Manifeste2a490cb87ede3985b0c9095709cb9caeafbd1e6ac1354cc78a2e03e0671633a

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
SignaturexZhuy3OUe2LiZ8XM/fijg8K/K2LpWVjVqDXrC3PKz/X83WKa1EkfeTnO6FKLZbQIlOG8CclXtNo1Ql9jLKfNDg==
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

2026-09-17T09:46:14.499368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090176
observed a37c9d30bb539e1f5a7a1d26a7bcbe33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:14.481373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090176/manifest.json
observed e2a490cb87ede3985b0c9095709cb9ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:14.464592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090176/publication.md
observed 9503670a1a4320013b7b1ddc048d09d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:14.446872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090176/publication.txt
observed dc39551cfce5374a7875d71adcbd3fe7...
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.