OpenTechnical

OT-2026-000071113

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line 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-2026-000071113) never changes.

Identity and time

Publication numberOT-2026-000071113 · never reused
Internal UUID01a0ae91-e0eb-71e2-bc3e-1721b82db71c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071113
StatusPUBLIC

Content hashes

Canonical text75d3cfb01ed5cd041f87293403a605309a5b9e696755790613340fccd59852c2
Markdownf1e5ae37385f24c6d2555c50994c58855b8b3aad895446b891e3db16ec054758
PDF
Publication pagee73becb625fb358a10677dec6f0fd38f34f9bada294106812b7234d33e15413f
Manifesta5fdb346c961455728554cd682650e8e01fccddf3aea21886acfb62797a94350

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
Signature8tL7jxxOJmRFcg9LGAc9jOMOOZN7xCNddr+KKkk4p0lWWzGwB4To/n2ccnc7mcQ0CtzPtsxvSMxAeOUMiEbJBQ==
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

2026-09-17T10:24:36.298238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071113
observed e73becb625fb358a10677dec6f0fd38f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.280183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071113/manifest.json
observed a5fdb346c961455728554cd682650e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.262409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071113/publication.md
observed f1e5ae37385f24c6d2555c50994c5885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.205579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071113/publication.txt
observed 75d3cfb01ed5cd041f87293403a60530...
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.