OpenTechnical

OT-2026-000103938

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000103938) never changes.

Identity and time

Publication numberOT-2026-000103938 · never reused
Internal UUID01a0aea5-15e7-7702-99d0-c0c558a104ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103938
StatusPUBLIC

Content hashes

Canonical text5e2660406eaefe26bbbaab7c6ef16da95234aabc15a495711134fb63946a051f
Markdown725ac5a162b9282214d4dc9e17ed89502430c17bb768becf86c4c16103ae7587
PDF
Publication page9cab3875921de14655c10a9b261f549f8023eb0860548718dd6a9b351d862cd2
Manifestaef9a7499799a1751cfb0e07beace3d7286445d82f1bbbc88daaafdbab63fee2

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
Signature/GY/pB+Rq71CpCv2fsVIalub/ElQO9+U7vfRwE9KjhqyIVRqDBIiZHWLhsShQFTiPEgPspMrHSlW8AScYHxUCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:56.240897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103938
observed 9cab3875921de14655c10a9b261f549f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.224201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103938/manifest.json
observed aef9a7499799a1751cfb0e07beace3d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.207385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103938/publication.md
observed 725ac5a162b9282214d4dc9e17ed8950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.190864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103938/publication.txt
observed 5e2660406eaefe26bbbaab7c6ef16da9...
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.