OpenTechnical

OT-2026-000042360

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after set-down

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-2026-000042360) never changes.

Identity and time

Publication numberOT-2026-000042360 · never reused
Internal UUID01a0ae7a-5d74-7439-9a70-907f259cdd49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042360
StatusPUBLIC

Content hashes

Canonical text63ada1e8666b10fef4f0d1c4e44b7377b0577411f68ef54ff1c5dc8de3a2904b
Markdowna2a5a8e421119b86ec8774b4eabaa8e96f964c9b2b5b6c3825afcc0e293f2fe5
PDF
Publication pageb0778ca2b6f47a60968fada5a8fbd6bb1c2a0bc4dfac99c04b36aa099003908f
Manifest09ba7b5a63f9fb9e9f906e2fca6161065063280933a452f0425091b64a34ebd5

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
Signatureq6hbQI0xsxQY1K+0lSE1mrYX0If+Uugh4iZz4/SQnVicksK49bxVITOE6RXyk8gRwyeHvQbBlnLe21VXiQa4AA==
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

2026-09-17T11:16:04.423534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042360
observed b0778ca2b6f47a60968fada5a8fbd6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.404891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042360/manifest.json
observed 09ba7b5a63f9fb9e9f906e2fca616106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.386615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042360/publication.md
observed a2a5a8e421119b86ec8774b4eabaa8e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.368261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042360/publication.txt
observed 63ada1e8666b10fef4f0d1c4e44b7377...
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.