OpenTechnical

OT-2026-000069970

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented before 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-2026-000069970) never changes.

Identity and time

Publication numberOT-2026-000069970 · never reused
Internal UUID01a0ae91-1860-7295-bd97-3dd3a3d14ae2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069970
StatusPUBLIC

Content hashes

Canonical text65af608996adecae615ee75356f38b1e1158bbb8453b1f8f6a51f66741d20a68
Markdown636ae7afe72207e511460fb3cc7e6f3d17e597206c5e638b2cb310125cb19b0f
PDF
Publication page6b9e1344a9dbd077e3134adfbd6df79a97d48f71478f752a140b80a72b39cd8c
Manifeste4a8618718954c88fe59e95acb64b34d289ce079b4ddf44d242e736d5b9e04a7

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
Signature8VRweYLtDITFH8+eAhQJdZ3pJBpDiA/hFmKGikU1BHxSA9gQcEnfPQNP/7TrJvcgen8nKGuMTpuZ4J5wjd0VDA==
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

2026-09-17T10:26:54.757094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069970
observed 6b9e1344a9dbd077e3134adfbd6df79a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.738180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069970/manifest.json
observed e4a8618718954c88fe59e95acb64b34d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.721582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069970/publication.md
observed 636ae7afe72207e511460fb3cc7e6f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.705548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069970/publication.txt
observed 65af608996adecae615ee75356f38b1e...
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.