OpenTechnical

OT-2026-000086159

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000086159) never changes.

Identity and time

Publication numberOT-2026-000086159 · never reused
Internal UUID01a0ae99-e82c-71cd-903e-eaac6e716bbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086159
StatusPUBLIC

Content hashes

Canonical text77647904b1486338a050355c1a2b0492919de1bebb533283276956e04c1f1c9b
Markdown19fc14c4f53bd11ff5ddcfdac3034bb0c842bffab579cad163df9e0f463be1b7
PDF
Publication page4356a2ab767671f7f600b4df2353af2468eff6f766db4267b2a5e5bd9b0f5e96
Manifest161ad349ff8aaf8ff92dd3ee638253a9d56942a9518c22b3acac5fcc9dd95259

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
SignatureHya/eS3W+NKIN9Ia8eYyej6dQKwlGihxqUAgz0Kpg9YSWoZ2YhyCc7fC9nDmyf0WVjLB8wyxJ6jQhbwqq4teCQ==
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

2026-09-17T09:53:49.899977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086159
observed 4356a2ab767671f7f600b4df2353af24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.884119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086159/manifest.json
observed 161ad349ff8aaf8ff92dd3ee638253a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.868762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086159/publication.md
observed 19fc14c4f53bd11ff5ddcfdac3034bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.851534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086159/publication.txt
observed 77647904b1486338a050355c1a2b0492...
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.