OpenTechnical

OT-2026-000091907

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091907) never changes.

Identity and time

Publication numberOT-2026-000091907 · never reused
Internal UUID01a0ae9d-43ba-7cd6-a209-a63f4fe65513 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091907
StatusPUBLIC

Content hashes

Canonical text102077e2eaf1e50f7c016db36d8099ca02b84b0bf43e56db370604be7dbd07f8
Markdown8cb5e24f6025bd453b7d44b673b17039ecff5c6ae926a6d146d6421092d46cba
PDF
Publication page98188187c8b63548fc91c7347406b915ad0b9e39f7eac79eb5fa2353ff23883a
Manifest424b810b164b6cef1ecd04f81c5840aac8ed70c27a71517d89ab703675e1caab

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
Signaturej0j2+8CUjlw9hYto8dK4AJkMtn2NH9bZTmyTr7Qcv9zgYWEdDMgO/avZxlkpcEZemvYUOIrz6hSykL9fsqkzBQ==
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

2026-09-17T09:42:50.696736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091907
observed 98188187c8b63548fc91c7347406b915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:50.680619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091907/manifest.json
observed 424b810b164b6cef1ecd04f81c5840aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:50.662492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091907/publication.md
observed 8cb5e24f6025bd453b7d44b673b17039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:50.646060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091907/publication.txt
observed 102077e2eaf1e50f7c016db36d8099ca...
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.