OpenTechnical

OT-2026-000087359

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three 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-2026-000087359) never changes.

Identity and time

Publication numberOT-2026-000087359 · never reused
Internal UUID01a0ae9a-cd4f-746f-b352-fb665c724458 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087359
StatusPUBLIC

Content hashes

Canonical textba0ecaffe4f584d9d8e66db612793ee720c260c2df53db406fbd14d1f39c4004
Markdowned21f3e7a87fee162105d5d1641496f58cbe54eff2a3ac26211ecd086ddc0692
PDF
Publication pagebd9ca1ae74c110f743c63541f17441785ff42f0ba663b00b64a02a3483c87e7a
Manifestb2c907b5b176b8c2d2a25ecd1e7ae00bea03cea11173c9b005ab2f1672d6c545

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
Signature5GDw7pp1z5A9QyQN/BUNVHejgzfkJHP1bUipvZxd6B6PLpTwQor4TDWRxNRPriqYohp66TUuZJMhDYyoekAAAg==
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

2026-09-17T09:50:32.091476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087359
observed bd9ca1ae74c110f743c63541f1744178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:32.074935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087359/manifest.json
observed b2c907b5b176b8c2d2a25ecd1e7ae00b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:32.058936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087359/publication.md
observed ed21f3e7a87fee162105d5d1641496f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:32.042980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087359/publication.txt
observed ba0ecaffe4f584d9d8e66db612793ee7...
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.