OpenTechnical

OT-2026-000011929

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, pulsed 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-2026-000011929) never changes.

Identity and time

Publication numberOT-2026-000011929 · never reused
Internal UUID01a0ae6d-1942-7279-9fa4-9acfedae31e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011929
StatusPUBLIC

Content hashes

Canonical text9eb25db978433a6eaaae347139bbc876088362193cc1c241273138be17902f28
Markdown694a1666db57d9d9221ef0ad884b4a51ae788bfc21852963c8ba8a6d524b2dbc
PDF
Publication pagebc146960dacc9e50fc37b9b59ce15a5e9ca6d81b0c09ac36a6c3342499703a4a
Manifest34193c6cd543de4c990c8372ec4c120077839f2d05174a826d239ade67e980f9

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
SignatureUG7yQymMJGjTmjKTj32zDCpRYCftCX8fgxrgn/5Z8eRhVsLiBKit97/9sKBEIiNxXBMG41nmoLMlzqNaTdHdBQ==
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

2026-09-17T12:12:41.902115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011929
observed bc146960dacc9e50fc37b9b59ce15a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.882704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011929/manifest.json
observed 34193c6cd543de4c990c8372ec4c1200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.865005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011929/publication.md
observed 694a1666db57d9d9221ef0ad884b4a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.843280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011929/publication.txt
observed 9eb25db978433a6eaaae347139bbc876...
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.