OpenTechnical

OT-2026-000032183

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000032183) never changes.

Identity and time

Publication numberOT-2026-000032183 · never reused
Internal UUID01a0ae74-f7a6-7160-b195-c0ba44a6a0e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032183
StatusPUBLIC

Content hashes

Canonical text5fc09294761b2b3deeea8ed2bbc23734d209c2252406701f5ae85dd9abc6642b
Markdownb81ef21f70ee7784ea5af66ed00a14af17a69d691dafc7ce1f61a0d8272d4f66
PDF
Publication page087271b8902f12014873a989e07d4aa3693bd07af28073aeb6d9b16fe99753da
Manifest35479dfe91417a47711a49b09c45f4b225565d39848d42c916815fce564fd1d2

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
SignaturecRgbWKO0yPC/jbvhEXm+owqfvouFoVR9wK6r1GMCttFJCy/SCq4JJMgtZzNBWsP3yFMLP6iZOiaIIJ9Adu+6Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:31.294937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032183
observed 087271b8902f12014873a989e07d4aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.276979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032183/manifest.json
observed 35479dfe91417a47711a49b09c45f4b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.257206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032183/publication.md
observed b81ef21f70ee7784ea5af66ed00a14af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.231343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032183/publication.txt
observed 5fc09294761b2b3deeea8ed2bbc23734...
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.