OpenTechnical

OT-2026-000032411

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000032411) never changes.

Identity and time

Publication numberOT-2026-000032411 · never reused
Internal UUID01a0ae75-106e-7d42-bda0-e5f257217cf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032411
StatusPUBLIC

Content hashes

Canonical text110edb330ab34175259700958568dbc4195ee7d38b1f1e23aea75748ef519818
Markdown4675faa7552e4fecafca4b9a5a95ffbd6b28c8988e0a7dd3ad018daf53a48d36
PDF
Publication page2edb3dee1df3a7f8482ddf31253014c29e9c01cfcbaff0c01cc3b87079231ea1
Manifest14a6b1059054bbe128522af464c5e14a0a6009b21074b58fca57a257731b3833

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
SignaturedD51HY0J0w5ialfLxuR4llBQtEFYtOBXLKRxUAiiMlwg3KfpfFPElkpchq97tajTfrzqPjQAST6+gSyfkLJXDw==
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

2026-09-17T11:33:49.659548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032411
observed 2edb3dee1df3a7f8482ddf31253014c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:49.642646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032411/manifest.json
observed 14a6b1059054bbe128522af464c5e14a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:49.624904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032411/publication.md
observed 4675faa7552e4fecafca4b9a5a95ffbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:49.607033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032411/publication.txt
observed 110edb330ab34175259700958568dbc4...
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.