OpenTechnical

OT-2026-000091392

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091392) never changes.

Identity and time

Publication numberOT-2026-000091392 · never reused
Internal UUID01a0ae9c-f16d-7b10-b236-6631b84fc508 · 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-2026-000091392
StatusPUBLIC

Content hashes

Canonical text6c007f28d7b9acf86cd13e6156f4ecf6d7a44d39ec12e30e9c8faf1edaa05cc8
Markdowna4bffb4d26d358d66b959a1926ea45dacaae3f2246a98a32acce684b1318baf0
PDF
Publication page4c7bd348b49cfee154c7d3943e647307cbb373cdc10781ab981befe91fcc8c3f
Manifest4ee7b2eaec49bce2e123477536480645c54f8dec3fd9737683dee99b969f90e4

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
SignaturenyDh992itC4vcZjgtn5ykkH2ZVf1E1HsUrzEF5O4d44mg0l4B4UvOGku/CbnYFqswFJ+fi7okIibewo1drYVDQ==
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

2026-09-17T09:43:37.001328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091392
observed 4c7bd348b49cfee154c7d3943e647307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.983680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091392/manifest.json
observed 4ee7b2eaec49bce2e123477536480645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.964548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091392/publication.md
observed a4bffb4d26d358d66b959a1926ea45da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.947274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091392/publication.txt
observed 6c007f28d7b9acf86cd13e6156f4ecf6...
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.