OpenTechnical

OT-2026-000090761

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000090761) never changes.

Identity and time

Publication numberOT-2026-000090761 · never reused
Internal UUID01a0ae9c-7f31-7e6d-b66d-6a8ea0132151 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090761
StatusPUBLIC

Content hashes

Canonical textf6c6fa11080cfb7907083416e074cefa88ceb4c6f673af59ffc49cd2dd272e0d
Markdown51582ec7537a067bb5294ec9cbb070ae06cce3501885e72ee768c60b6ffe0780
PDF
Publication page45bea29b19cc610d61c188a1cbf9120721e16f9bc089137f620b7e6564bcbcd3
Manifest43c226cc55bde2f54988f865ec10773eefadcff9a9ac98ec8802f3c76d20fa2f

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
SignatureCrNHihYnhZDcUxoGWvwMzR2aO9rWrNqTVjgezvICYs9gD0lXrbV95Mpy8jJfiC77mXGHtP0zl4Vg1aA3RBrFBw==
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

2026-09-17T09:44:57.463042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090761
observed 45bea29b19cc610d61c188a1cbf91207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.443611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090761/manifest.json
observed 43c226cc55bde2f54988f865ec10773e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.422505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090761/publication.md
observed 51582ec7537a067bb5294ec9cbb070ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.397304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090761/publication.txt
observed f6c6fa11080cfb7907083416e074cefa...
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.