OpenTechnical

OT-2026-000084061

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000084061) never changes.

Identity and time

Publication numberOT-2026-000084061 · never reused
Internal UUID01a0ae98-5b5e-7172-8c7f-bf812908c0b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084061
StatusPUBLIC

Content hashes

Canonical text1624bf63eff18939fd58ca797c4e105e37b01d4fb0d60b8ea8dbb316eb509749
Markdownb88b4e62ef9542cd9b4b7f0663aad5f01432fe1b06544f01fed618d69366df96
PDF
Publication page9b20c1adb657756c5a388c2388d2f03853968de26279059f7e7b484108e10607
Manifest743e0d5adfaef9142fbeb826e8947c83a477688dedb3f2f16f49a1452a817a8c

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
SignaturedVy0+ZJXj7TQUuV9isdfop6Dz0k7VJplZhI/nvoul/OO78WbXnUX4XGLlB0TO/MajaGx58oWpRIzJpO0D+3EAw==
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

2026-09-17T09:55:47.874573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084061
observed 9b20c1adb657756c5a388c2388d2f038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.857588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084061/manifest.json
observed 743e0d5adfaef9142fbeb826e8947c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.841132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084061/publication.md
observed b88b4e62ef9542cd9b4b7f0663aad5f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.823732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084061/publication.txt
observed 1624bf63eff18939fd58ca797c4e105e...
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.