OpenTechnical

OT-2026-000032155

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000032155) never changes.

Identity and time

Publication numberOT-2026-000032155 · never reused
Internal UUID01a0ae74-f7a5-7110-8e32-a4ec50d55728 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032155
StatusPUBLIC

Content hashes

Canonical text50dfa33e521366201b0ed605485ddecbe6e38e6bcb08cfc174e0681b35220c03
Markdown18ee543784de9753a6094bd4317b3d2777129a7da6a859e0e82ef2eff974f5a8
PDF
Publication page559bb1056755c23226d391b23b420307feb5719b5b0d303a6430931f0883e530
Manifest2b95fecbbf1c317008f75b08301a169b6a499f56a261b805359955ddf9ad25f4

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
SignaturezNXkuwsiXPpm4MvdCS9WVN1wB4ACKaluRSXztt+IEgnh/1qlVR0U/JnXTOQSvTneBcMVFNnKuJEv/jtoLQckDw==
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

2026-09-17T11:34:28.743736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032155
observed 559bb1056755c23226d391b23b420307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.726683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032155/manifest.json
observed 2b95fecbbf1c317008f75b08301a169b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.709653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032155/publication.md
observed 18ee543784de9753a6094bd4317b3d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.692298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032155/publication.txt
observed 50dfa33e521366201b0ed605485ddecb...
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.