OpenTechnical

OT-2026-000059171

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000059171) never changes.

Identity and time

Publication numberOT-2026-000059171 · never reused
Internal UUID01a0ae89-8612-7f73-a241-c9e9948fa035 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059171
StatusPUBLIC

Content hashes

Canonical text036c9481f8d387955b68818b5c67361501e480312e2994a0714b780a2df63a34
Markdown8886a7ec6b6c9928e317375d7b1881b7b1cea1b0cf45fe02340e72428de50b88
PDF
Publication page97fd8b704f89937dfc0cc5f9a7a131a29473e4fb75b245ed8eda89a0199a5dba
Manifest2323f5a34f103eccac62c0f5956e700373c4ed154a7924c5290856e121ea4450

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
SignaturekmyTfHY/SKhiw4sGAD74GK7lq3Unl1oC23fBXLfYHacuK5Pje0jtvrFY4qKTy49xZXZt980EsrDFE41N2thVDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:07.614033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059171
observed 97fd8b704f89937dfc0cc5f9a7a131a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:07.594977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059171/manifest.json
observed 2323f5a34f103eccac62c0f5956e7003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:07.574338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059171/publication.md
observed 8886a7ec6b6c9928e317375d7b1881b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:07.555414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059171/publication.txt
observed 036c9481f8d387955b68818b5c673615...
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.