OpenTechnical

OT-2026-000067567

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000067567) never changes.

Identity and time

Publication numberOT-2026-000067567 · never reused
Internal UUID01a0ae8f-6bda-70ae-b943-b76448e5bc66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067567
StatusPUBLIC

Content hashes

Canonical textb9212b64a3eabfc91e08da0b9755bcd75e510b9abc2dbd7586de4ffc14f108d0
Markdown3c04f2ff3a0b5bda80fe0044c3aa6716bf1901933ddc568beeaa6549f99c6a14
PDF
Publication paged072d6f99547dcd9b88507cf6d1b10fad460886a3f4617fecfff0328e665d9f9
Manifest3e0c5bf26147af902fe8b772068875738fde45b525636d4749ee9b5354eb1926

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
Signature36Hed4DX6z58Po3CTg4SbKPFPQsWIwSLMUPtK64hipQR/DKIcLQMCwa9j3xI4nGFIB7p1RM+KSYA5ARMSevgCA==
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

2026-09-17T10:31:52.619016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067567
observed d072d6f99547dcd9b88507cf6d1b10fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.601651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067567/manifest.json
observed 3e0c5bf26147af902fe8b77206887573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.583470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067567/publication.md
observed 3c04f2ff3a0b5bda80fe0044c3aa6716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.566062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067567/publication.txt
observed b9212b64a3eabfc91e08da0b9755bcd7...
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.