OpenTechnical

OT-2026-000078636

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000078636) never changes.

Identity and time

Publication numberOT-2026-000078636 · never reused
Internal UUID01a0ae95-7c2a-75bc-8f45-395a56648aee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078636
StatusPUBLIC

Content hashes

Canonical textd7e0e2f7cb4e374c1ee3701c30e67bff5b06812e384332d71cad319965d1ac8e
Markdown93ea1c3f2d41194134fea8f69a8cc135d7f94b16c130531e894cc0df6cab708c
PDF
Publication pagec79798f11ac37fb3ca6e7ac5f79ca9e0c342cc8421afdf94555ee4891b320ea8
Manifest7e41e87b04dedef0baf0015d66bd4021b5fb63cd5026f423155afdf2c4795ba0

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
SignatureUatneMhnTmd0TDWkxOrLSs+15js/gajAU028+v5nNsl5tOb6HUMwW+ayhRcA9AaNf+qQOxXU1/nypCsrGLXlDg==
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

2026-09-17T10:06:40.591770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078636
observed c79798f11ac37fb3ca6e7ac5f79ca9e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.573531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078636/manifest.json
observed 7e41e87b04dedef0baf0015d66bd4021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.552079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078636/publication.md
observed 93ea1c3f2d41194134fea8f69a8cc135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.532599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078636/publication.txt
observed d7e0e2f7cb4e374c1ee3701c30e67bff...
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.