OpenTechnical

OT-2026-000091381

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000091381) never changes.

Identity and time

Publication numberOT-2026-000091381 · never reused
Internal UUID01a0ae9c-f16d-7973-8b3c-58b6d35a031e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091381
StatusPUBLIC

Content hashes

Canonical textc36fe1edd0416fa0f5bff4e9c221597aa661df3feb4f92c9c096b9f26a996a16
Markdown6ae17e486dccf6ad78bb2c33bc440b59b6e172a902de7cd1748de3150285bf65
PDF
Publication pagea0b9061e8b2948484181e07cf78bf32f063c992531e3a318439198ec9fe7c5e3
Manifest7a35bcf66d4d2bdbbfae1bf05f8aaaca27af36a30bdbe6412ac6e58a16cc32b3

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
SignaturehiGHaDWhQXbOIRDOTYCUjIm+jSsmyjkZi7sJDENYRl64+t5fnp8evmcGwwJcPqzLlaDf2BI/z0YrQH62O7teBA==
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

2026-09-17T09:43:36.194580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091381
observed a0b9061e8b2948484181e07cf78bf32f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.178114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091381/manifest.json
observed 7a35bcf66d4d2bdbbfae1bf05f8aaaca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.160996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091381/publication.md
observed 6ae17e486dccf6ad78bb2c33bc440b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.143646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091381/publication.txt
observed c36fe1edd0416fa0f5bff4e9c221597a...
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.