OpenTechnical

OT-2026-000036475

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000036475) never changes.

Identity and time

Publication numberOT-2026-000036475 · never reused
Internal UUID01a0ae77-01d1-7a08-a089-6ff9ea567eaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036475
StatusPUBLIC

Content hashes

Canonical textdb349b274d0c690b8f616606f242801ee1ce04cc845a677e62b54ab6349af52a
Markdowna13b996548ced5b0ac495dde951a9a0073d50acfe0fbed309562fb58de96bad6
PDF
Publication page71a320ffe34f2476d42f0d4eb81ec069efb68acf91a6eefd3468340cc3f3d999
Manifest52408373ce029666ea20f55fce558845a5af36e10c80ca4d1a9553fa059220be

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
SignaturekarVuU6Lj+ufWXUvkJ5fJ2uqvlLfK23AyAha3qbq+9RCE2i9Ebcxt0jQzGIGfT94bNoDOtMx6xBOXgHcCEo3Dg==
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

2026-09-17T11:26:52.763319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036475
observed 71a320ffe34f2476d42f0d4eb81ec069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:52.744971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036475/manifest.json
observed 52408373ce029666ea20f55fce558845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:52.727985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036475/publication.md
observed a13b996548ced5b0ac495dde951a9a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:52.708874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036475/publication.txt
observed db349b274d0c690b8f616606f242801e...
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.