OpenTechnical

OT-2026-000032075

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000032075) never changes.

Identity and time

Publication numberOT-2026-000032075 · never reused
Internal UUID01a0ae74-bad3-71de-9e1b-6ebc7cd98105 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032075
StatusPUBLIC

Content hashes

Canonical text6abf8a7503dd722675247a855704f9487bfc7c9d6f3c24474d6bce6a8b58fbfb
Markdown4078db84f2b35916ff65ab47ef547309ef82cc7dc49888a234fa2bf800398702
PDF
Publication page71fa1d67b681eaf91764d0732f4512a5c854d6d72b9f6354f0757f85c8d52e0f
Manifestec69174146e3a755688f84ecb25c37326c7c531e531e9ebd58137bd6b06dfff3

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
Signature5AtXVzarm1VvCPekj3W7O4Y/52hGXxAj/Gx0tyksvts2bjGLfZsqWMUhssM3xS7ZQesSrTeigUsbFAgpFjsBBw==
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

2026-09-17T11:35:29.796009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032075
observed 71fa1d67b681eaf91764d0732f4512a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.773597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032075/manifest.json
observed ec69174146e3a755688f84ecb25c3732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.756318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032075/publication.md
observed 4078db84f2b35916ff65ab47ef547309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.739363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032075/publication.txt
observed 6abf8a7503dd722675247a855704f948...
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.