OpenTechnical

OT-2026-000078698

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000078698) never changes.

Identity and time

Publication numberOT-2026-000078698 · never reused
Internal UUID01a0ae95-ccbc-7136-b7c6-abc16e626393 · 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-2026-000078698
StatusPUBLIC

Content hashes

Canonical text438ebf1813554aef82cf9245659fddf1a9c5a7e410ac0fc1e32185bdc1a01289
Markdowna530372504085a01992467193f7321ef9eca59710843ed3c83b9b4dbd1fa8b60
PDF
Publication page9d6b6f1b3410f8535c4a3d5f2e9bd66cc9b0776143c43d34b84943c5d2261f04
Manifestfeea704bfa4987bb1f887b5fc1e324607853ae09976ff7b5c0a529e1e3223484

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
SignatureoUxRKbgxAdTbOO2EYve3u45z7VFfupJ//Ovbg/W0HGHZn1mCWYaHqKihiZ26AQmiIU2dQHO1/uskJNa9irVHDg==
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

2026-09-17T10:05:28.798490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078698
observed 9d6b6f1b3410f8535c4a3d5f2e9bd66c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:28.781856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078698/manifest.json
observed feea704bfa4987bb1f887b5fc1e32460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:28.765280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078698/publication.md
observed a530372504085a01992467193f7321ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:28.746958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078698/publication.txt
observed 438ebf1813554aef82cf9245659fddf1...
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.