OpenTechnical

OT-2026-000078639

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000078639) never changes.

Identity and time

Publication numberOT-2026-000078639 · never reused
Internal UUID01a0ae95-7c2a-7a76-8c1c-2812cb9c7e09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078639
StatusPUBLIC

Content hashes

Canonical text664278d47dcb7530a8c76e48f9f6c9b76c5ae74884204a36fb193485a7b8d6d6
Markdown308c487e6df4f9b4dc8dadf0aa4c80c48228362c58052806387a5d67f2d0bfaa
PDF
Publication page6b921ad2d909bcecb9d72c8644bf290a20990f33aa7c5d763b54c62a6959fbc2
Manifest1fcf6bf43887f4a7e388728c83290b0496a71809c2590b336159393170d4bad6

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
SignatureH/aZlQfuVzrPyhDKzKAg2vkVptSkhdyjLVTWgMvt4hVvWpZpZOR5Bpm741I1PuxyUV6mU1MRSiFiWDx4l6XsBQ==
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

2026-09-17T10:06:40.920893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078639
observed 6b921ad2d909bcecb9d72c8644bf290a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.900824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078639/manifest.json
observed 1fcf6bf43887f4a7e388728c83290b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.880260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078639/publication.md
observed 308c487e6df4f9b4dc8dadf0aa4c80c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.860907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078639/publication.txt
observed 664278d47dcb7530a8c76e48f9f6c9b7...
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.