OpenTechnical

OT-2026-000006183

Publication integrity record

Bellows cup vacuum gripper, six outlet manifold, pump fed, contact triggered

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-2026-000006183) never changes.

Identity and time

Publication numberOT-2026-000006183 · never reused
Internal UUID01a0a952-2895-7bf7-a0ad-70136b50d403 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:25:28.984120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006183
StatusPUBLIC

Content hashes

Canonical textc9dc3dc3c657f3edadbbd37441974d88735ef13421fc61130759df534f729283
Markdown9786f90085bf9d527d5f79b89ae6836e4f5278a2e86062ad4db7537cc9c63907
PDF
Publication page7f3d7fbd1da994b39b0fdbb883b19098cfcc1a33c314c2a0c26e3cff9b2c32e9
Manifestf850475f8b981b06c91d531fa046846930f96ca17462de0f04aa044cbf5aaa18

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
SignaturefYsgPpgxqC6aDv7TaGIH8kNQiXhVTkG9MSIG6NrK2/EeV8y0yHZALvB/1vjq7lQPAzpKKXH9zrT/VbmA66aVAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:17.974359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006183
observed 7f3d7fbd1da994b39b0fdbb883b19098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:17.957943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006183/manifest.json
observed f850475f8b981b06c91d531fa0468469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:17.938629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006183/publication.md
observed 9786f90085bf9d527d5f79b89ae6836e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:17.918188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006183/publication.txt
observed c9dc3dc3c657f3edadbbd37441974d88...
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.