OpenTechnical

OT-2026-000047271

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000047271) never changes.

Identity and time

Publication numberOT-2026-000047271 · never reused
Internal UUID01a0ae7f-3e56-7eaf-87e1-8e226c17aea1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047271
StatusPUBLIC

Content hashes

Canonical text925dfab6f14512c0dd596a1232cb54709e61197d8322d1e8cf03c21f9d557de7
Markdown7d459b257edd952b7eb6b7b1b2b6a1630240d42cd6f3c1b97b75e866137aed3a
PDF
Publication page0e36ab844e5ae46cfc88af4d236a553c9a42d14a4a233f545ac29a77928f1726
Manifestb13cc719aacd0b84c62add43411ed052c691fe719178013bd928e5a00e07aa79

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
SignatureoLEcEZXz6x/C/j3AB5GjG1/wuPzjzjG149tbeJc2gqbZVYOUEyQiY3BsUYd8kjIQa5qdiAhSZ+UyZ7wSkOXFAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:14.243575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047271
observed 0e36ab844e5ae46cfc88af4d236a553c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.223765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047271/manifest.json
observed b13cc719aacd0b84c62add43411ed052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.205491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047271/publication.md
observed 7d459b257edd952b7eb6b7b1b2b6a163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.185800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047271/publication.txt
observed 925dfab6f14512c0dd596a1232cb5470...
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.