OpenTechnical

OT-2026-000091992

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091992) never changes.

Identity and time

Publication numberOT-2026-000091992 · never reused
Internal UUID01a0ae9d-43bb-7171-9719-95f6c7084407 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091992
StatusPUBLIC

Content hashes

Canonical text01493fc9c75e11f62e253f9e5ab01ddb41f7acae848e3c4338f15f0d1a6cd33f
Markdown8da53cecc87bf2189ed65f8927ac04a59c987c60c7f8fcca3a9102cc3ce56ab8
PDF
Publication page5091a1b402a66b0e4cc3eeec83e10e471de420cb72bfb0e4655e0d9f47cc1dff
Manifest4c929e0bb59ef650637026a4718a84f51bb4f2436a289c589a0fd999c3716136

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
Signaturef91teuX2DzcuKeheBx2crDaSkC7bm7XCk3BeUg87WqmCDlD3pSaByJ60i1pKa7ln26ENJnRufpS6t9GhMpr6AA==
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

2026-09-17T09:42:59.518329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091992
observed 5091a1b402a66b0e4cc3eeec83e10e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:59.478353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091992/manifest.json
observed 4c929e0bb59ef650637026a4718a84f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:59.440501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091992/publication.md
observed 8da53cecc87bf2189ed65f8927ac04a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:59.319793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091992/publication.txt
observed 01493fc9c75e11f62e253f9e5ab01ddb...
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.