OpenTechnical

OT-2026-000085458

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000085458) never changes.

Identity and time

Publication numberOT-2026-000085458 · never reused
Internal UUID01a0ae99-aaab-775c-a380-8f42d620c171 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085458
StatusPUBLIC

Content hashes

Canonical textc1561a4e2ebe03fba01451b98359bb1772f16f1e9cededa4a0e8854dd2457871
Markdownc567866e53eba13a93f12b558ce08449c30e6fd2106d34935cc3b2522037af39
PDF
Publication page547d5f7984643a09eb02208ad1c3b459349562faecd2d0cb810580e9461f8711
Manifest45fb71da763dd90cb3b2bd0a0d6254fc1c94d235c782e90399bb81701386dc58

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
SignatureY5f9/CnEft9iXtKJRMyIjbogC/zeqaPmMUp0xaR6pJyvhF84v6ZyYWXxvpxQg9vKUvQ7IzhJqN7LSu/1PzUECg==
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

2026-09-17T09:54:14.938827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085458
observed 547d5f7984643a09eb02208ad1c3b459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.921496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085458/manifest.json
observed 45fb71da763dd90cb3b2bd0a0d6254fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.902530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085458/publication.md
observed c567866e53eba13a93f12b558ce08449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.884468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085458/publication.txt
observed c1561a4e2ebe03fba01451b98359bb17...
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.