OpenTechnical

OT-2026-000087274

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000087274) never changes.

Identity and time

Publication numberOT-2026-000087274 · never reused
Internal UUID01a0ae9a-cd4e-7e8f-bafa-ee08685a3043 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087274
StatusPUBLIC

Content hashes

Canonical textff8b28fe53157446be0cdcc67ee6d51030eb63c9cd4cbd7afe30c6209cf1794e
Markdown9a0099e4fdf0b9be75bfc477ce4d0d2da6ff0a019cef79d801d64a8ab6f02179
PDF
Publication page56551422219252cc4293225864c18404ab6487f06aabc792949cee13dc5a997a
Manifest37a066d01e28b3978d6c7c689da2343337c7d64e80be22b4980eba887e39b2f2

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
Signature97ueGw2Glt0/laV7k0Q+Ewp1PedpZ20uZ1MxEovM5gRD4V6ip8fYzsBWfglssK0TqMY132bwebZH87rkDhLQDg==
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

2026-09-17T09:50:25.097125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087274
observed 56551422219252cc4293225864c18404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.096321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087274
observed 56551422219252cc4293225864c18404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.073412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087274/manifest.json
observed 37a066d01e28b3978d6c7c689da23433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.068933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087274/manifest.json
observed 37a066d01e28b3978d6c7c689da23433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.053939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087274/publication.md
observed 9a0099e4fdf0b9be75bfc477ce4d0d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.046014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087274/publication.md
observed 9a0099e4fdf0b9be75bfc477ce4d0d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.031317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087274/publication.txt
observed ff8b28fe53157446be0cdcc67ee6d510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.025505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087274/publication.txt
observed ff8b28fe53157446be0cdcc67ee6d510...
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.