OpenTechnical

OT-2026-000080211

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, sustained blow-off before 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-2026-000080211) never changes.

Identity and time

Publication numberOT-2026-000080211 · never reused
Internal UUID01a0ae96-7e76-7ade-8d99-61734c8d1a19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080211
StatusPUBLIC

Content hashes

Canonical text35e6c757bc550f4f9859ff7ace8215b35696d01771ce1938ba8cabbdc1cb0c33
Markdown950bb920eabaac9474b5623bef18598a62005a3f056ed7e69457d9385f6ef948
PDF
Publication paged092e5f848b31f7f6619cc5547cdb881b50b71f1abcdea4b21f5f1388748e1de
Manifestd343227efbb5b202030d6e4cd58c490df67d4ef1e751e241f8dc52ac705fb034

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
SignatureZmNMzTfxG0EHD0Qws+3hz/XwLnyaDCvnIhc/PT2AJWGW62kXA9D/4nW76UfYCZW+WF5uYyD5wrj6d3Y11VhPBA==
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

2026-09-17T10:02:39.645985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080211
observed d092e5f848b31f7f6619cc5547cdb881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.627585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080211/manifest.json
observed d343227efbb5b202030d6e4cd58c490d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.609357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080211/publication.md
observed 950bb920eabaac9474b5623bef18598a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.590565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080211/publication.txt
observed 35e6c757bc550f4f9859ff7ace8215b3...
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.