OpenTechnical

OT-2026-000103388

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pulsed blow-off after 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-2026-000103388) never changes.

Identity and time

Publication numberOT-2026-000103388 · never reused
Internal UUID01a0aea4-e460-76e4-9510-01696d07e435 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103388
StatusPUBLIC

Content hashes

Canonical texte51ddc88035a4a6ce44c8954f9268f00aa3691bc57c4978b400e3adc34540633
Markdowna0567cf5686c4c4f33215b018eabbfd1ec2afe3901a5419c8300beb348107ebe
PDF
Publication pagef619f95eca7b0cae58203ac62a6f17a095ea7f805c18a3e0b7ef433bb859bcff
Manifestaa30a73769369535b176c90fc36c3d6e12091252e91c7c110715537f13eb5d8a

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
Signature2Xjvyqurel3u6s77zuqn/Y3qK4udAq1V2Amd7ElajQoOV6h1kYrKl9YcY3ay0ejE/iSrOksxMCncaQHEQxN2CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:07.762770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103388
observed f619f95eca7b0cae58203ac62a6f17a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.745517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103388/manifest.json
observed aa30a73769369535b176c90fc36c3d6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.728810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103388/publication.md
observed a0567cf5686c4c4f33215b018eabbfd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.711678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103388/publication.txt
observed e51ddc88035a4a6ce44c8954f9268f00...
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.