OpenTechnical

OT-2026-000022060

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000022060) never changes.

Identity and time

Publication numberOT-2026-000022060 · never reused
Internal UUID01a0ae6f-bb5c-7318-addf-c98742544c72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022060
StatusPUBLIC

Content hashes

Canonical text3d987c18f58792d2f9af40d5751ce8b3e6b1b41e4e6b52be21db3e79cc5584ef
Markdowndf034a79b92d83545ce83cb1232cf02620eb0c11e28e3275988eee4272663129
PDF
Publication pagec6e2de0668ec0ad1d92ca70c90f16876440053a221d12779e6a5ae30a8ae7b6e
Manifestba69b04802866c6aa308eabee667f8affbcdef68b89a3f7f577b6ddd0d937856

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
SignaturefUaEx1+wfxKIi+J/DEUeMHXck++OZsRRzmQRDWzMi1jgjJFTURcX+zo2L15l5T33DG4obWrJJNgBmQu3tulNAw==
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

2026-09-17T11:54:45.275499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022060
observed c6e2de0668ec0ad1d92ca70c90f16876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.258658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022060/manifest.json
observed ba69b04802866c6aa308eabee667f8af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.241158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022060/publication.md
observed df034a79b92d83545ce83cb1232cf026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.222797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022060/publication.txt
observed 3d987c18f58792d2f9af40d5751ce8b3...
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.