OpenTechnical

OT-2026-000022616

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000022616) never changes.

Identity and time

Publication numberOT-2026-000022616 · never reused
Internal UUID01a0ae70-46e8-7e93-aa8d-eb119c36a2ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022616
StatusPUBLIC

Content hashes

Canonical textea8c1d03ae3f207f4f169fc2687360409a01a456752573392ff3dff88d466338
Markdown01ac80925727054b62f2a217c5ae4acf5d407ef01e376391612586bb2bcb7bab
PDF
Publication pagebf374df0031f323dd044cd3e94c87d44490774c6e5aa3d16c80473f2ca690137
Manifest27f32b27de411e0000b44f1fd04fb8ee6b4dfa9c89f8ac3cdff71023f68ea64b

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
SignatureeN2s/QZNZmyuWOUopnWrMtbn5mOKW26Ernka/tP37wYGdhgUbDavprwDYHWNUaSGS3Qw+O45SQA+HAbRg0/LDg==
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

2026-09-17T11:51:59.282052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022616
observed bf374df0031f323dd044cd3e94c87d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.263511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022616/manifest.json
observed 27f32b27de411e0000b44f1fd04fb8ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.246334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022616/publication.md
observed 01ac80925727054b62f2a217c5ae4acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.229004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022616/publication.txt
observed ea8c1d03ae3f207f4f169fc268736040...
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.