OpenTechnical

OT-2026-000033642

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000033642) never changes.

Identity and time

Publication numberOT-2026-000033642 · never reused
Internal UUID01a0ae75-a38f-7908-bf77-5bd1def5ca88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033642
StatusPUBLIC

Content hashes

Canonical texta0b9657218966e59e5f70a3a2f7b397244a6db9540f429cacadcdf84a6d315c0
Markdown44dc6a62f28437ea8fa9ca54b3d036b77f6f78bbeb04a20cc58b5321b0f77108
PDF
Publication page30ae4599174ca43113bdce756f38d037c1e137fa1969d6e73468b21e32bd5269
Manifesteb770e720092e8a333a636b3266f762fb30a65c62868b49f6711f005b76f569b

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
Signature2zQRNDY2usZszb8L+19TZJ+xY7IMNzka3WhUYSsw7RCY/cjbTki1aTCnlf7RNEZgZFqjuzJ6qJrr/lRkxzuBBA==
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

2026-09-17T11:31:37.506181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033642
observed 30ae4599174ca43113bdce756f38d037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.488232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033642/manifest.json
observed eb770e720092e8a333a636b3266f762f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.471073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033642/publication.md
observed 44dc6a62f28437ea8fa9ca54b3d036b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.454648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033642/publication.txt
observed a0b9657218966e59e5f70a3a2f7b3972...
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.