OpenTechnical

OT-2026-000103328

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000103328) never changes.

Identity and time

Publication numberOT-2026-000103328 · never reused
Internal UUID01a0aea4-be3f-79cb-9f00-03a7f68e6b90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103328
StatusPUBLIC

Content hashes

Canonical text28fb94c65ae4b6bc50bea7811962f3c6ce028b9dd94125415e940a2757b16441
Markdown39aed9df33b268e4ca8d54b55d80b475f80a9f999e47c1544f81961a13fddebb
PDF
Publication pagef2d48c4831ea0a8017421e81be9c4f4224da22bcae9842cc27ccdb32836c9a5a
Manifest87742d46de947d0b5451c69c71df32b922f3a1a696a9f28d6648cda752335ae2

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
Signature61cc/ddaDsYVMw9B4RzxZCF08zrUTAypXhptmGSMrgWlu4oBBOcs4ux3LdujjHl1+5vlyEbeYjSiTr+9DZrOBw==
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

2026-09-17T09:23:34.908905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103328
observed f2d48c4831ea0a8017421e81be9c4f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:34.892743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103328/manifest.json
observed 87742d46de947d0b5451c69c71df32b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:34.877021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103328/publication.md
observed 39aed9df33b268e4ca8d54b55d80b475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:34.860914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103328/publication.txt
observed 28fb94c65ae4b6bc50bea7811962f3c6...
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.