OpenTechnical

OT-2026-000064711

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000064711) never changes.

Identity and time

Publication numberOT-2026-000064711 · never reused
Internal UUID01a0ae8d-deb9-7d90-a2eb-83d7dea8b067 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064711
StatusPUBLIC

Content hashes

Canonical text8d106e8daa04438108cc8f3e7bd13b7b11aa938b974e0405ac9d78c0f63b4dff
Markdownfefe526da3b49242cbe5e3ad9bb9c3b441658af114c137d85ec9799e339929eb
PDF
Publication page737b6797ea515dc6d77f04010cac020222eae96937eee3c2800e4199c96778df
Manifest7945ff9a930b210b9b61f710b23ae596ac7f93313e2877a4850b3caa88dc8bd0

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
SignatureVTOqF9L+ECfGzgRstdO6PqABFi+fyEftg1osLbCrP5J6PLQgyY/3KazpGY4i6RBLnLQf11qPUUkn34e9Mj5qCw==
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

2026-09-17T10:35:34.999717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064711
observed 737b6797ea515dc6d77f04010cac0202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.983715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064711/manifest.json
observed 7945ff9a930b210b9b61f710b23ae596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.965495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064711/publication.md
observed fefe526da3b49242cbe5e3ad9bb9c3b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.947811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064711/publication.txt
observed 8d106e8daa04438108cc8f3e7bd13b7b...
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.