OpenTechnical

OT-2026-000085785

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000085785) never changes.

Identity and time

Publication numberOT-2026-000085785 · never reused
Internal UUID01a0ae99-e829-7cbe-88f5-51866365b96e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085785
StatusPUBLIC

Content hashes

Canonical text574c2b9208ea0f6b41b16fe09fdb2029e8721976662fff3d540bfd204a69088c
Markdowna8a71c68bf89ffc5d04e8cb1074910cf65d54b902da0fe2dcc3ebafd10799453
PDF
Publication pageabde999f09d8c603ed4691aeefbe52fa9593471d873c009e06afd99e13d91681
Manifest96967448b11a8a8cc00ac2343eb28b12cd0b62c594d55e2973c50dc53dabac88

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
SignatureFkwQypCqGU+OJxk/swIwVQj6o25BErVZA9ot6baonTUUkI+IF2sm3qGAUXtLi2HCpjbL2a8LNlpljvhDtEFnCg==
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

2026-09-17T09:52:40.826078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085785
observed abde999f09d8c603ed4691aeefbe52fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:40.808521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085785/manifest.json
observed 96967448b11a8a8cc00ac2343eb28b12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:40.790345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085785/publication.md
observed a8a71c68bf89ffc5d04e8cb1074910cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:40.774125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085785/publication.txt
observed 574c2b9208ea0f6b41b16fe09fdb2029...
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.