OpenTechnical

OT-2026-000090192

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000090192) never changes.

Identity and time

Publication numberOT-2026-000090192 · never reused
Internal UUID01a0ae9c-428f-7ff8-a022-1c159f94cbd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090192
StatusPUBLIC

Content hashes

Canonical text39699a0142c1fbfebaa74f82eecec16d3a97c097c457846ca9fdd5fd830df1b6
Markdown97ab7ae9452988cbe2218124a0cc9f1d7616cc6f345b8d885c7e914266ec24b3
PDF
Publication page6683ec30e6f76078bd8e36fdaf6905ce4a8f2b8d52167c41e4f4bbf57210dc65
Manifestd3a716ad4ced5d96cc63162d43d9f2cb2cc47022e165263119504171df26a883

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
SignatureUkMsepss8sm+oVMwBJS8lowOvyixVbpmBPLiD5P2dxUsYElKO1d4QEdQ09XsrpCPQUl1fF3c4UrAGFinyFfxBg==
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

2026-09-17T09:46:15.829566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090192
observed 6683ec30e6f76078bd8e36fdaf6905ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:15.809476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090192/manifest.json
observed d3a716ad4ced5d96cc63162d43d9f2cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:15.789911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090192/publication.md
observed 97ab7ae9452988cbe2218124a0cc9f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:15.770255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090192/publication.txt
observed 39699a0142c1fbfebaa74f82eecec16d...
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.