OpenTechnical

OT-2026-000071517

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000071517) never changes.

Identity and time

Publication numberOT-2026-000071517 · never reused
Internal UUID01a0ae91-e0ee-731f-82fd-b2a1c7281fb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071517
StatusPUBLIC

Content hashes

Canonical texta2772b7cab86f7a8af650b57b62b4b4d25d37b391420c57853553756490faca8
Markdown82e3d87bb88ee4f61a95cc51c42653886927fee7e9c8270dc96653e13e1e28c0
PDF
Publication paged19d14b1e8da3eedc9ae98135d85304cf50abf214894d617906c5af3ceda5b1e
Manifestb25cd8d310a80d42647c0e23c4bef2a401e0047dac819450e88c24c2f963f92f

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
SignatureoFKZPdXAJnkUtVmOlTOq+fewOYDpVGyH/MUBmsjc28tfIyULJFnSpfhOuLKlnpxerksGlBRQPdhwJNoCHgVOCA==
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

2026-09-17T10:25:09.885523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071517
observed d19d14b1e8da3eedc9ae98135d85304c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.864444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071517/manifest.json
observed b25cd8d310a80d42647c0e23c4bef2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.846595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071517/publication.md
observed 82e3d87bb88ee4f61a95cc51c4265388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.826963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071517/publication.txt
observed a2772b7cab86f7a8af650b57b62b4b4d...
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.