OpenTechnical

OT-2026-000069975

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000069975) never changes.

Identity and time

Publication numberOT-2026-000069975 · never reused
Internal UUID01a0ae91-1861-7ec1-911e-b26a0706eadd · 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-2026-000069975
StatusPUBLIC

Content hashes

Canonical text9239b372dc463a06de56c84d88ba3f538215e1b61930744578df32526c6d6f88
Markdown16333ace54a5d54bce947fc5cd49bc671dfe9df6fdbba54a6607cc382fb9d2dd
PDF
Publication page05d0b0fc777adcc470011aa5b2f85a99756b279b6aae895333abc8f0e784f380
Manifest4ee53be292e5bd93ff9bdf83ab00042a10452ec290d1d3f79188484a268247e4

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
Signature7Z25VGYgDcXrNvczYyExV3DSVmRfkUMfp3XKzlezTCKJHY2KL72tfll9Bj2IdEcmbX0y32WLP2HkIeGkFej4CQ==
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

2026-09-17T10:26:55.151047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069975
observed 05d0b0fc777adcc470011aa5b2f85a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.134957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069975/manifest.json
observed 4ee53be292e5bd93ff9bdf83ab00042a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.117416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069975/publication.md
observed 16333ace54a5d54bce947fc5cd49bc67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.099276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069975/publication.txt
observed 9239b372dc463a06de56c84d88ba3f53...
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.