OpenTechnical

OT-2026-000033237

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump 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-2026-000033237) never changes.

Identity and time

Publication numberOT-2026-000033237 · never reused
Internal UUID01a0ae75-4845-781c-a28a-c1cbd2522ed8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033237
StatusPUBLIC

Content hashes

Canonical text065378ba3a5ba9f0eb267546a4944124cfaa9cadbc00d84f253991fbed54d12a
Markdown6448ace2a52845374a8421fad4ebe3889cf8084056a7d63cb16c5e6e0b2976fe
PDF
Publication page98fc5077c55ec353f483e70aad109d16aa342f64a616e34c3c4be01c0978d5a5
Manifesta335ac03bb140f684a76383e6843c8243206d83a997bdb4c3bde1485c6beca45

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
SignaturedelG2XU4l0PnQUHGS1hNB4NjPug0f2vdxM3XuQTO03HIH/TIOqtBhcmSEhFp0uYrK3X2vZ6N2RAD+K2QTlLSDw==
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

2026-09-17T11:32:56.677143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033237
observed 98fc5077c55ec353f483e70aad109d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.659525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033237/manifest.json
observed a335ac03bb140f684a76383e6843c824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.644003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033237/publication.md
observed 6448ace2a52845374a8421fad4ebe388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.626474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033237/publication.txt
observed 065378ba3a5ba9f0eb267546a4944124...
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.