OpenTechnical

OT-2026-000103250

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pulsed blow-off after set-down

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-2026-000103250) never changes.

Identity and time

Publication numberOT-2026-000103250 · never reused
Internal UUID01a0aea4-be3f-7e7a-bda0-71265be72fbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103250
StatusPUBLIC

Content hashes

Canonical textc79aa244015cd5cd68637a8fb9fe6c0bca20f103327443bb606579023d167e16
Markdown8b5de0dbc7fe055384d7ca8b145d768915ba79fb082f1a847f92763e24329f74
PDF
Publication pageaaf1bc95da06aa1b42f26b911d737f62ebb0820020d93c06ca2d545196f70af5
Manifestfe4561175e8518476a5def86500f250a84dc57ac774de1a6c7303fef496b2f2e

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
Signaturej5Bf+TkuCTlXFDg4saWjG4A0HTNZSwMFqk0ZIlGzwjiV/HtI6YZ9ThoIkyVXSKoRg4uPl4digY9g3WSNYttuCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:29.072213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103250
observed aaf1bc95da06aa1b42f26b911d737f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.056001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103250/manifest.json
observed fe4561175e8518476a5def86500f250a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.026854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103250/publication.md
observed 8b5de0dbc7fe055384d7ca8b145d7689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.998890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103250/publication.txt
observed c79aa244015cd5cd68637a8fb9fe6c0b...
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.