OpenTechnical

OT-2026-000078233

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000078233) never changes.

Identity and time

Publication numberOT-2026-000078233 · never reused
Internal UUID01a0ae95-7c26-76fd-a75d-c4db6f8ff2c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078233
StatusPUBLIC

Content hashes

Canonical text21fdf30a1c1c9fd76900f7d6a9a8862789aa970c92e32eb7eae6e1353174525d
Markdown0c79706997d7e1af29e286fc6c2bc5e2e7ba562a22790ff49ad5bb703ec4f75e
PDF
Publication page87681a97fe5bcedd8b790087132de4cbd3f41f001cb6a37b40af0a4b112515d7
Manifest7bd2187b6c49140954cd726449fca3bbfa587cb2e95e99f5917790c83cd75fc7

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
Signaturef01E5Gl8N5jzGKO5e0gequSogEWaupvDucwY+QwFnPlRdOvwt2s0kniI6Zrb0DKPriAfip23GTopvw0PdyI/DA==
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

2026-09-17T10:06:10.964219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078233
observed 87681a97fe5bcedd8b790087132de4cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:10.944755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078233/manifest.json
observed 7bd2187b6c49140954cd726449fca3bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:10.923702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078233/publication.md
observed 0c79706997d7e1af29e286fc6c2bc5e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:10.905034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078233/publication.txt
observed 21fdf30a1c1c9fd76900f7d6a9a88627...
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.