OpenTechnical

OT-2026-000063252

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000063252) never changes.

Identity and time

Publication numberOT-2026-000063252 · never reused
Internal UUID01a0ae8c-94ab-7bcd-8c9e-54ad3f0091cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063252
StatusPUBLIC

Content hashes

Canonical text716b100cb499a7cb9dbff908c77e55a6083b01b7c99b1b37b94e5802d373bd7d
Markdown641b403889f8492c5e32926e2f78ab87342cc19d722887fc025f92275499ec77
PDF
Publication pagebc07c496ba831db3806a538cf1d6b5afdd78a19193f92756c75d657335f5f4a5
Manifest29cd42b87467450cf272f42b68ade8d79d9bd0f36daa0f6c721523bd2c8816ee

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
Signature26Wcy6Od2EIAOL4FKs0sasVOAaTTrhGrN1sbIUItfER8FY0Wz7PMJrp301OaOA0Rz6bWN/0ymYgB0CE+TU4HDw==
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

2026-09-17T10:39:08.232912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063252
observed bc07c496ba831db3806a538cf1d6b5af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.215327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063252/manifest.json
observed 29cd42b87467450cf272f42b68ade8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.197579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063252/publication.md
observed 641b403889f8492c5e32926e2f78ab87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.179308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063252/publication.txt
observed 716b100cb499a7cb9dbff908c77e55a6...
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.