OpenTechnical

OT-2026-000083005

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, sustained 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-2026-000083005) never changes.

Identity and time

Publication numberOT-2026-000083005 · never reused
Internal UUID01a0ae97-c961-766c-ae47-5c27b24e8264 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083005
StatusPUBLIC

Content hashes

Canonical text5ad80a1b5a4e7179a15f61f1a8361f51cb80abe28047e5279d7f53a6410500d3
Markdowna8d40e125a656ea4dcb12bdfa819c13f09943d13f5a1add490d0ba2b1bf41b0d
PDF
Publication page304dde919b51d90828db402738f522e57221b7e35b3bb8676ac099a3ab2ad46c
Manifest5f54f156fa204683ef2ea7be32b3522a9ac9f75d7213bd5abfd477101d276e33

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
SignaturenQMYskL9FIJByzqT86uB8encFZC6MeciAXSvcg9frc1v0LXxtjUoK9O7UxEiKl7BMh318MPjEPBeXuQ83Xm0BA==
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

2026-09-17T09:00:16.343735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083005
observed 304dde919b51d90828db402738f522e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:07.095186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083005/manifest.json
observed 5f54f156fa204683ef2ea7be32b3522a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:06.891572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083005/publication.md
observed a8d40e125a656ea4dcb12bdfa819c13f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:06.865772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083005/publication.txt
observed 5ad80a1b5a4e7179a15f61f1a8361f51...
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.