OpenTechnical

OT-2026-000045801

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000045801) never changes.

Identity and time

Publication numberOT-2026-000045801 · never reused
Internal UUID01a0ae7d-8f05-7411-bd0e-16c106f78bda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045801
StatusPUBLIC

Content hashes

Canonical textc92f0e9404299bfb38680ac0d54f8057f56dd5813a9cfa916df5dcdc078e7146
Markdownfd95c67bddf7154aeb7e1b245918cecd200082d5c976d388b005b82b9ed25973
PDF
Publication pagea8ead4c1d1fe9d208cda4593365ef887f02eaa9b5d0148716260ed23bf090397
Manifestbd49b437f08df9838bcc4bb9420e96caf0aa2df6b93c28323e8de0d1c7c93d8a

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
SignatureTouGZBuCl+72UKzzw1E5h0dULqbe8Kgs88q40ntCjQ1S23SjMAI6w/hlUyRqKnXlz5GUz3ywP4ngHfyJAwWmBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:40.120841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045801
observed a8ead4c1d1fe9d208cda4593365ef887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.102146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045801/manifest.json
observed bd49b437f08df9838bcc4bb9420e96ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.065149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045801/publication.md
observed fd95c67bddf7154aeb7e1b245918cecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.030149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045801/publication.txt
observed c92f0e9404299bfb38680ac0d54f8057...
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.