OpenTechnical

OT-2026-000033174

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000033174) never changes.

Identity and time

Publication numberOT-2026-000033174 · never reused
Internal UUID01a0ae75-4844-702c-9dba-a35ef8143872 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033174
StatusPUBLIC

Content hashes

Canonical text4f3c9b72c9236a2ffe971ffa206682f9f817933b796c25485f3eab4ac49e667b
Markdown7f36a694d613172bbcadf495204ac052b066235454e127610eeccc5d0e116592
PDF
Publication page7b562515ee911dea8d9ad6bcc94cf1985cdd2049f825665d1ac92cd89a0aa121
Manifest4deb5ef7d6a688efe9088f48986aff8b906d35d5db239e1b0b55c2099c39ecd4

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
Signature22tf2eiOXVbL/0BFm53OL+R6FUMHrFnkut20QJEHBOROBT2fTFv71N+QHSgdyoMl9YBtwpIP7pEbyWK3rjJlCw==
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

2026-09-17T11:32:51.992473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033174
observed 7b562515ee911dea8d9ad6bcc94cf198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.974699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033174/manifest.json
observed 4deb5ef7d6a688efe9088f48986aff8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.958015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033174/publication.md
observed 7f36a694d613172bbcadf495204ac052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.940555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033174/publication.txt
observed 4f3c9b72c9236a2ffe971ffa206682f9...
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.