OpenTechnical

OT-2026-000066511

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000066511) never changes.

Identity and time

Publication numberOT-2026-000066511 · never reused
Internal UUID01a0ae8e-ce41-7cc0-933d-d515ff483fab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066511
StatusPUBLIC

Content hashes

Canonical text64c1ab0b6f99e525f648eec283590a0663509647d626fa5d532e34fadb519120
Markdownee9e44a7ae57a5493c93ec108e99f1cd385674d51e8e572470872b8fda934f42
PDF
Publication page8d3e34da3bdaf5322ddb7e070c87594a42cf5bbfba95498fa0778d2e87da07bf
Manifest209547a277888dcc08a187a7abb4bc2da490e77a116987ae27ca4a33d6b16a5c

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
SignatureIg/a0Ek6kJLw3jkIboCBxqP/m3gnnEXgvjgnF5Z+9OwWOJcy4CURYssMztzAZwjZane96XtUs+HyhHn56FVkDA==
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

2026-09-17T10:32:46.271879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066511
observed 8d3e34da3bdaf5322ddb7e070c87594a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:46.255861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066511/manifest.json
observed 209547a277888dcc08a187a7abb4bc2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:46.240590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066511/publication.md
observed ee9e44a7ae57a5493c93ec108e99f1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:46.224624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066511/publication.txt
observed 64c1ab0b6f99e525f648eec283590a06...
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.