OpenTechnical

OT-2026-000092072

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000092072) never changes.

Identity and time

Publication numberOT-2026-000092072 · never reused
Internal UUID01a0ae9d-43bc-71f4-86c8-59fa21f347db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092072
StatusPUBLIC

Content hashes

Canonical textc498fda903eebe3f92251f28a1162e4c5ce13d8a91930718c4201d827af7285d
Markdowne0d247710e31f78ad5e766c37ba40162588326874bbb701ed2d82c17a8993700
PDF
Publication pagef6ed3366b2a206b51e596767a7fc1e92b99abad5775219e6a807c2576d4efc41
Manifestc43add2381feb1d4a9c2bc247d902ac33de15a80be2225444e46aadc5749f977

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
Signature2pH+YmYQIbrRBOwu1YnC1lbnjsT7OMLJAGkPZRViikfdhrmC9/YL3HcaFqv7lumHXvkcZyLZnWBV/+91H7pFDg==
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

2026-09-17T09:43:10.544072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092072
observed f6ed3366b2a206b51e596767a7fc1e92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:10.528143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092072/manifest.json
observed c43add2381feb1d4a9c2bc247d902ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:10.509474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092072/publication.md
observed e0d247710e31f78ad5e766c37ba40162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:10.490105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092072/publication.txt
observed c498fda903eebe3f92251f28a1162e4c...
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.