OpenTechnical

OT-2026-000084254

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000084254) never changes.

Identity and time

Publication numberOT-2026-000084254 · never reused
Internal UUID01a0ae98-5b60-7479-a593-50c87beb60a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084254
StatusPUBLIC

Content hashes

Canonical textb794a022db5f5006171997a65fd4a1eb36446cc2185661abe8c61345d5916d80
Markdown74a71b0f5f4a8d277fd65f7b5bf7458c6fbc6e3c3baa18adb08aa686994bcefe
PDF
Publication page7d156aedb88f7fb8467e60fef94b55278c41507c7592a8c58f907a125349e2d4
Manifestce230ed7898b9da75cbe728210e7aaaf8933532d7e3226613996e86e017c7d4e

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
SignatureOg/XvuVa+neFX6etCkqkYdHcBmEOA+JxeNOzuc8/VSfWXHEMu0iPVIlyLuTH0YJVUMF26iIAsSiT3eNO6EHaDw==
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

2026-09-17T09:56:09.796384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084254
observed 7d156aedb88f7fb8467e60fef94b5527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.776049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084254/manifest.json
observed ce230ed7898b9da75cbe728210e7aaaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.756792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084254/publication.md
observed 74a71b0f5f4a8d277fd65f7b5bf7458c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.738623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084254/publication.txt
observed b794a022db5f5006171997a65fd4a1eb...
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.