OpenTechnical

OT-2026-000032922

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000032922) never changes.

Identity and time

Publication numberOT-2026-000032922 · never reused
Internal UUID01a0ae75-4842-71db-aacc-a97bc5fd8753 · 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-2026-000032922
StatusPUBLIC

Content hashes

Canonical textc690db44fdfa28e7f801d4db6a9c3019f526e9c61d883fad807f9958eac4521a
Markdown8d7fcecbb8535ae715237a7c0b0a83acdf41175b5897060b4995e8fd4f26e0d3
PDF
Publication page20dfed3e3c59f1f3df615e933585f0751c537fb4705e43da5de5e198b2756cb7
Manifestb942beea66bc62c46934514986ed3c91eea0e2973da3ebae391a66018750fe66

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
Signaturex+bio4hVWi41l4vLXDmYX9FDkj2p1xqEfDrgteckNhyfy01SibzHwFoIYNAev5qlFRtSI8gW9jOiygmwtMMlDw==
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

2026-09-17T11:32:31.020789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032922
observed 20dfed3e3c59f1f3df615e933585f075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:31.004324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032922/manifest.json
observed b942beea66bc62c46934514986ed3c91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.987558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032922/publication.md
observed 8d7fcecbb8535ae715237a7c0b0a83ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.969621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032922/publication.txt
observed c690db44fdfa28e7f801d4db6a9c3019...
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.