OpenTechnical

OT-2026-000100029

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump 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-2026-000100029) never changes.

Identity and time

Publication numberOT-2026-000100029 · never reused
Internal UUID01a0aea3-1474-7d5e-9f7a-89383aa0ce95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100029
StatusPUBLIC

Content hashes

Canonical text540161de2acf69f781103c526fa7ebc3af7a1f7ec4127c698ec2b7e227852da1
Markdown485e6bdd1d226b2941c4187c5a521c4e0a5c34c80b8ff04f9ab50158270798e2
PDF
Publication pageef18b33fcb8f736b50c90479639ce728038dae4ec24e8289ff32ca6d9eeb1fd6
Manifest24f2e9541c5872429028d8614017bc0fd8b39da582f8dc7fae4f6c3e836f4e00

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
SignaturedXEhytICajOMUELunGiLrCoVCfE1DXKpivES9L9HkWNN3TSNFJsKuqsGjRuLLn8EDR3OwGiGRLtkDOtyQPAFDg==
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

2026-09-17T09:28:57.845823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100029
observed ef18b33fcb8f736b50c90479639ce728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.828507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100029/manifest.json
observed 24f2e9541c5872429028d8614017bc0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.811659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100029/publication.md
observed 485e6bdd1d226b2941c4187c5a521c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.793689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100029/publication.txt
observed 540161de2acf69f781103c526fa7ebc3...
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.