OpenTechnical

OT-2026-000069788

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000069788) never changes.

Identity and time

Publication numberOT-2026-000069788 · never reused
Internal UUID01a0ae91-185f-7efe-95db-b6492bdf1cf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069788
StatusPUBLIC

Content hashes

Canonical textc180183ea9922e099c821f1ab72379d44cdbf4a31e4006e5290304c96d3d7c09
Markdown6bfb2a1ce3902c71bfbd4c23aed49165da95afff66447705cfd63a38898ab602
PDF
Publication page6b3c0719f90d9c7b2a81cdd031663d7da18e23dff906b34a9e3362726f38e1e6
Manifestbde6de0a13bc283c0fad309fff365f9c4d4f6702c65bd072063a9381d100ba9d

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
SignaturewcDRdajq2E9s/lOtqqCzf8OXaPdVzZzfZUI6I3ZmIuLLBoUjZ2uMvXM2sWAv94ekFP55oS/L1dmS31X2g+8TAQ==
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

2026-09-17T10:26:29.973776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069788
observed 6b3c0719f90d9c7b2a81cdd031663d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.953756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069788/manifest.json
observed bde6de0a13bc283c0fad309fff365f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.930949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069788/publication.md
observed 6bfb2a1ce3902c71bfbd4c23aed49165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.871428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069788/publication.txt
observed c180183ea9922e099c821f1ab72379d4...
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.