OpenTechnical

OT-2026-000091510

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091510) never changes.

Identity and time

Publication numberOT-2026-000091510 · never reused
Internal UUID01a0ae9c-f16d-76bb-83b5-cd378b2b0842 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091510
StatusPUBLIC

Content hashes

Canonical text0691adad6746b9824c80e4d095e6ca7142fc1dd45309c8ae1eda64729052de0d
Markdownb4fd1e2619564db4e426bc712afd0347e92f56601ee0cd3730f07d22ec0e2a8a
PDF
Publication pagec083d4eca4d233791c5d0832404816d5fe99fac6cd15dfd62e434213a2c9d4bb
Manifest58c4ccefcbf699df682eda6efa3950685b815f9f3f4cf1a8dc6d2ba117b13cf0

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
SignaturenqYWiVaWBbFN6Alg9OyC0GCtrpGgfupGOJCS7vYXmB8kQjDxzYGRmUDgpMIdEW5R+sDd57sx0hZdXQRKXy7hDQ==
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

2026-09-17T09:43:46.476347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091510
observed c083d4eca4d233791c5d0832404816d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.459014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091510/manifest.json
observed 58c4ccefcbf699df682eda6efa395068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.440946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091510/publication.md
observed b4fd1e2619564db4e426bc712afd0347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.422965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091510/publication.txt
observed 0691adad6746b9824c80e4d095e6ca71...
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.