OpenTechnical

OT-2026-000078945

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single 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-2026-000078945) never changes.

Identity and time

Publication numberOT-2026-000078945 · never reused
Internal UUID01a0ae95-ccbe-7c10-aa30-d2f9117d757e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078945
StatusPUBLIC

Content hashes

Canonical texte5e72037124e97c0740600db367e7019cedaf37930a5bc60317db6c2e99a9d35
Markdowne5a087e208b90a149fbe0da0bf43aaf1e7f133550d34921f776a7227601a18de
PDF
Publication page6f23de6f9a6661af0c6f3441d3d42b8f7e930ad11e63b2991b5857ee2c0c2634
Manifest04e8394d2bdd93972cccef77eea904ca3429dbb7f21930d0fd3a7c07d98a57ad

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
Signaturei770xU9oQOqvWnlr/2TR1lxrRq8i8azreFZvoHplNZgfxfdaJByUxGmr/NnTDdnEH1jMhHZZExFh/l9U0bZpAQ==
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

2026-09-17T10:05:46.222828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078945
observed 6f23de6f9a6661af0c6f3441d3d42b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.191637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078945/manifest.json
observed 04e8394d2bdd93972cccef77eea904ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.174099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078945/publication.md
observed e5a087e208b90a149fbe0da0bf43aaf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.144924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078945/publication.txt
observed e5e72037124e97c0740600db367e7019...
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.