OpenTechnical

OT-2026-000103955

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000103955) never changes.

Identity and time

Publication numberOT-2026-000103955 · never reused
Internal UUID01a0aea5-15e8-7299-af9e-ad66bc9b6ab6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103955
StatusPUBLIC

Content hashes

Canonical text155aabe560244942c0232e0b568366eeb3e660bfedae5642f0f79d67370b009d
Markdown38a8573a4cdf934aff5f7c85ad0d78773fc52c852816769f49aa33ba41b04715
PDF
Publication page46d31245bf3cb36df95b76b4114eb60a2b023fdb9243b4078f7cbcb8e60732c0
Manifeste19470e40b081ae5b1e2c1506d0c7d36c7b288ec2ec8fe89e51d46b8eca439f5

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
SignatureKvegbCrvN+m5Fj2LX1WHmcdRaXWDEL1a9wsPwG9iJDGHhYC80RuE3T65WUkjqV74l4ykSsP5KeJbQ5eLToy6CA==
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

2026-09-17T09:21:57.457014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103955
observed 46d31245bf3cb36df95b76b4114eb60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:57.437130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103955/manifest.json
observed e19470e40b081ae5b1e2c1506d0c7d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:57.419494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103955/publication.md
observed 38a8573a4cdf934aff5f7c85ad0d7877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:57.401868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103955/publication.txt
observed 155aabe560244942c0232e0b568366ee...
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.