OpenTechnical

OT-2026-000082987

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000082987) never changes.

Identity and time

Publication numberOT-2026-000082987 · never reused
Internal UUID01a0ae97-8cca-70c4-b352-f89a9106fd84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082987
StatusPUBLIC

Content hashes

Canonical text97c753f56c528af6fe6940b7408b03946ba42197517c466ba4666d641418b7be
Markdownabbd5a0a09fee6281de84dda394fe745e1e6f395494052e436af635e1967f7bd
PDF
Publication page1bd1f852b4d1ee7ad11c69c045e060df6555680ac320aafe7edcdaf53d793a4a
Manifestc1cb99201c5cb04754f050018d802036d0cb0504478e81b9a39fc2ff03fc1e19

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
Signature6Fu9fvpT6I6q0VRPXbgQTLWkZuzVcb/J3dGBJ/6tP5OcERCMteluSri6r9L0wqa9mqjCB4AjRXDPh13bFUsDAg==
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

2026-09-17T09:58:41.503377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082987
observed 1bd1f852b4d1ee7ad11c69c045e060df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:41.487076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082987/manifest.json
observed c1cb99201c5cb04754f050018d802036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:41.470230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082987/publication.md
observed abbd5a0a09fee6281de84dda394fe745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:41.452101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082987/publication.txt
observed 97c753f56c528af6fe6940b7408b0394...
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.