OpenTechnical

OT-2026-000061163

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000061163) never changes.

Identity and time

Publication numberOT-2026-000061163 · never reused
Internal UUID01a0ae8b-137f-7a23-85e1-c265e3104854 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061163
StatusPUBLIC

Content hashes

Canonical text46ae14de66ffb70594c4936df049b24e06540957fb49ea70c620ad5f3c6e1dd6
Markdownf2a2814d2a6cfff51b8f080b6f296567a20c63df31019ead6c9923e6368e455e
PDF
Publication page8fc05541e2f65839faaffc71a3f21b3aed348a2f675d7f2a94d9bf384620740b
Manifest293336c521f0bb4c8fb30ac07ac35ae23c1bba3f076a41d8c60728d63d0f2afc

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
SignatureuQkzNe65jLBUvprM++6ZmHF823n/ZTyCq38W4RaRspo1EiQUZ0stY/XqhDXtaD/CKmME1hWWZ+/6JHj5nHUEAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:33.021253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061163
observed 8fc05541e2f65839faaffc71a3f21b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.001731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061163/manifest.json
observed 293336c521f0bb4c8fb30ac07ac35ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.983108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061163/publication.md
observed f2a2814d2a6cfff51b8f080b6f296567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.963495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061163/publication.txt
observed 46ae14de66ffb70594c4936df049b24e...
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.