OpenTechnical

OT-2026-000084581

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000084581) never changes.

Identity and time

Publication numberOT-2026-000084581 · never reused
Internal UUID01a0ae98-e25b-7dad-8b35-5493826c3a52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084581
StatusPUBLIC

Content hashes

Canonical text5e8dc0aa5eb16ee48a08f4958ed147771a5d70df494ea3e664c88b270c710b0e
Markdown972bb816c498b7a81d8e5360bb52b52536778ba5dbbd0f7ef227ac426ce92e8f
PDF
Publication page8ec370b9cb65a5d0e6c7b62100610813471d1aa3993fb1b968986ff4707cc3b6
Manifest9d5130794bb66a9019239b6cdc90226fdd21c40053237949c125a758054eb066

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
SignaturerxMevqWnIuoq2J1kRQCTBq0Z4tgACEjUvSPgvE6gRivJJShku08RJOV8ieYB6tT0VOsIVIl7/quIYIK+d8nhDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:28.824897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084581
observed 8ec370b9cb65a5d0e6c7b62100610813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.808763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084581/manifest.json
observed 9d5130794bb66a9019239b6cdc90226f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.790736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084581/publication.md
observed 972bb816c498b7a81d8e5360bb52b525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.771754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084581/publication.txt
observed 5e8dc0aa5eb16ee48a08f4958ed14777...
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.