OpenTechnical

OT-2026-000041694

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000041694) never changes.

Identity and time

Publication numberOT-2026-000041694 · never reused
Internal UUID01a0ae79-e8a1-7c4e-aa3b-60a33e946fb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041694
StatusPUBLIC

Content hashes

Canonical text7ddcb900a896b980b4fbf7f42fbfae2d6d0c8babf7cf2a368e7598bb0d7e2067
Markdown0423cd1aecca58cb28098b9b2219385b8ca438069c4ed1c8cff114235df767b5
PDF
Publication pagebc98e8574ac96a0c033840fca94ed24fce68d041b4354fcee6508c3c4cde5d29
Manifest3866d0517b0e6c411fa6350db030155c2bf5d62074f749b370f8145b895bf97b

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
SignaturejQ5Kc8vYQ6FvDUyU6MDjCGTvrnuBQLK2OSGR1JMa41bokXYtNHh3vto+XtR/lRVI69GR1FhueVlsj9qDw5QjAw==
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

2026-09-17T11:16:30.340619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041694
observed bc98e8574ac96a0c033840fca94ed24f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:30.323531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041694/manifest.json
observed 3866d0517b0e6c411fa6350db030155c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:30.307858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041694/publication.md
observed 0423cd1aecca58cb28098b9b2219385b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:30.291217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041694/publication.txt
observed 7ddcb900a896b980b4fbf7f42fbfae2d...
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.