OpenTechnical

OT-2026-000020052

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000020052) never changes.

Identity and time

Publication numberOT-2026-000020052 · never reused
Internal UUID01a0ae6f-1fb8-7d14-9e42-e5fc48102e90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020052
StatusPUBLIC

Content hashes

Canonical text50b315aee206883d617374bc5a970cf38ba308fa3e77987cecd7624104c28948
Markdownaf39ab0d7df5c4ef8d5e966a9b6c94bc4065b06d37ff68e0e818205840b2008d
PDF
Publication page5a179ed57cf87774ebb3b235f68e86aebdb328ec3dd439f92759a03508a871dd
Manifestaeab66c381da0968b618f09f1dec5e1954362602f52b6828ac80f6cd74214f96

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
SignaturePtVP0XncQQInWDOKBe9timBu7LYHB+vDkhcZqXJth1b+UfPtAw1Uebe9iVJfcthDnWnIIgB2LCuDVy1FaVQ7DA==
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

2026-09-17T11:58:19.043076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020052
observed 5a179ed57cf87774ebb3b235f68e86ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:19.026825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020052/manifest.json
observed aeab66c381da0968b618f09f1dec5e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:18.940969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020052/publication.md
observed af39ab0d7df5c4ef8d5e966a9b6c94bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:18.924595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020052/publication.txt
observed 50b315aee206883d617374bc5a970cf3...
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.