OpenTechnical

OT-2026-000093580

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000093580) never changes.

Identity and time

Publication numberOT-2026-000093580 · never reused
Internal UUID01a0ae9e-508b-70cc-a069-8218fcdd5ac2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093580
StatusPUBLIC

Content hashes

Canonical text5915c64c5120cf26caa674ad5fc2931f4ca292ea6bec87e6e18aa008ce076249
Markdownfb91f5e55bfed690bfe8d20743e88ef5e85700e23166919522448c19e87a999d
PDF
Publication page935ef3aa8a20c013a66fb23c1cb9af851686789bb81b6de4b25933e1ee13fc18
Manifestb70d035258c2c47ffb1d9072961517eb73e64c5c8b17a3f3cc6c0fbe98841664

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
SignatureagAhP+3FpoWxL937QGjokVs9gWzGWypeIZhSAExMVX4VW9Nb2uVdaswUVUk7c/ZzfoMxr0Y4/eFnamXCnWpTAA==
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

2026-09-17T09:39:36.880424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093580
observed 935ef3aa8a20c013a66fb23c1cb9af85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.861921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093580/manifest.json
observed b70d035258c2c47ffb1d9072961517eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.828832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093580/publication.md
observed fb91f5e55bfed690bfe8d20743e88ef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.811641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093580/publication.txt
observed 5915c64c5120cf26caa674ad5fc2931f...
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.