OpenTechnical

OT-2026-000100433

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000100433) never changes.

Identity and time

Publication numberOT-2026-000100433 · never reused
Internal UUID01a0aea3-66ef-7c9a-a23a-5cab7ad19b75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100433
StatusPUBLIC

Content hashes

Canonical text1538e819c02b4a5b1307bad60300cd99725d9e6119bff343a1f97281a404e09c
Markdownd3f6074ca669fe8ccd020c8ef4978dfab144fbe8b2e3af9099a66a10221b1eb8
PDF
Publication page9fb47ade9791b3409d671b333066b8918a8f58883af1553b5772080430812cf6
Manifestd7bcbafeb93ac9f0c8905d061ce5ffd671551be5eda160a8857ed123bc49f846

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
Signature1mVSeCs580wGrDGLVaMohfLPJGc+DXgXVg89KACg7DNKW3hFmsaUyrOJYY+QGy1iGNn1QNBghY1Z2QssrlhcAg==
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

2026-09-17T09:27:10.553396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100433
observed 9fb47ade9791b3409d671b333066b891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:10.534354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100433/manifest.json
observed d7bcbafeb93ac9f0c8905d061ce5ffd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:10.515598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100433/publication.md
observed d3f6074ca669fe8ccd020c8ef4978dfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:10.496517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100433/publication.txt
observed 1538e819c02b4a5b1307bad60300cd99...
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.