OpenTechnical

OT-2026-000070034

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000070034) never changes.

Identity and time

Publication numberOT-2026-000070034 · never reused
Internal UUID01a0ae91-1861-7d2e-873f-1452f49028aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070034
StatusPUBLIC

Content hashes

Canonical textd50093d7e56286bdfae0230b9581844a21a202f35aa3664e879d184b1e258dba
Markdown20f56df6e0fb2a5f6ff02a5914d4a463efdcfdd7a9b75bffa3f8231f58c5d43a
PDF
Publication page8bedc6c2efb2e814526007be66377c259f9e35da6ad85ccee532e4f484a8acd9
Manifesta09b6e5da7ba450c11cdad622463223c1b958a75ba2b602e7b28db2e2f311001

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
SignatureqkVELSdEwV+cz7hhnOa3ZtBmCp8pcFSv+aaLFhS5QP6xhbxlufDgCD0gzABhBX1Jh5sbzr0hAwD+EoPpemTmAw==
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

2026-09-17T10:26:59.295263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070034
observed 8bedc6c2efb2e814526007be66377c25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.278581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070034/manifest.json
observed a09b6e5da7ba450c11cdad622463223c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.262418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070034/publication.md
observed 20f56df6e0fb2a5f6ff02a5914d4a463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.243621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070034/publication.txt
observed d50093d7e56286bdfae0230b9581844a...
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.