OpenTechnical

OT-2026-000097090

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000097090) never changes.

Identity and time

Publication numberOT-2026-000097090 · never reused
Internal UUID01a0aea1-01c9-70e8-b287-39297455f0cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097090
StatusPUBLIC

Content hashes

Canonical text65f4ccbb49d602b8657570a41d1f77938aede941458f26033cd4795524db08f1
Markdownecf09d323e5e96b80cb0bf1473d5e608a0072bca41fc60eb03f7df3d98215fb7
PDF
Publication pageb9e917e0d870363bc0d015f82dbe891424f9dea33ca40dc7ead25fe279d8b10a
Manifestcaf37753bccbe85baaf2da042041298574d3cba79c12529e8250154c2e26d1c6

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
SignatureJEDQu9yM0PWz1U2SyYXK8cGIlZaE0X21Vjw9DiFPV4CqVVeq32KOHbYWZviJZ2NuwVK+HrLRTq5ldUztF/aoDQ==
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

2026-09-17T09:10:41.883779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097090
observed b9e917e0d870363bc0d015f82dbe8914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:41.868149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097090/manifest.json
observed caf37753bccbe85baaf2da0420412985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:41.849899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097090/publication.md
observed ecf09d323e5e96b80cb0bf1473d5e608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:41.777526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097090/publication.txt
observed 65f4ccbb49d602b8657570a41d1f7793...
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.