OpenTechnical

OT-2026-000086974

Publication integrity record

Three cup vacuum gripper, three zone face, four 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-2026-000086974) never changes.

Identity and time

Publication numberOT-2026-000086974 · never reused
Internal UUID01a0ae9a-80a5-7c92-8553-efb521da19d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086974
StatusPUBLIC

Content hashes

Canonical textcd967a3e97f67f01e893c01abc2f4c21cca779060e46e203b8283593a244dc1f
Markdownfc9189b59dc7766d4643fa09f44d3c61ecc27e87c5412beb1d50595afcbd7b22
PDF
Publication page06d4f036f920698df0770ba0a123d23052fe2107c52a989e21be693b8c0cb47a
Manifestbf45aeb0d0424ee12df96d5609c87c862b430a0b3308dcd195a94a4c9b4a9eff

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
SignaturedR6zjFZ4xJPGX5Kv9q1hslKT2RU3o41J/gc3uLhyz+1xKyTsUhSAyDty/BkSmldmDEyZX9Vt9HACNMr/S49wDQ==
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

2026-09-17T09:51:52.566390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086974
observed 06d4f036f920698df0770ba0a123d230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.547681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086974/manifest.json
observed bf45aeb0d0424ee12df96d5609c87c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.530369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086974/publication.md
observed fc9189b59dc7766d4643fa09f44d3c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.513146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086974/publication.txt
observed cd967a3e97f67f01e893c01abc2f4c21...
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.