OpenTechnical

OT-2026-000069922

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented 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-2026-000069922) never changes.

Identity and time

Publication numberOT-2026-000069922 · never reused
Internal UUID01a0ae91-1860-743a-8c3b-997ad2dc3dea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069922
StatusPUBLIC

Content hashes

Canonical textd1bbab241e12586625b6ae36fd72ebcffe8bc986e1d94f1468a75cee1ac03435
Markdown00e989454e22e468c59f27e37115f82f10d6438da1f64a3f0d58b863e19444db
PDF
Publication page3ea5f95258b6344bd6b39edb8d38698587134028c0b60534a895f614ae4eb38e
Manifest5867a5c0ee1b83506fd1d091cbc32066c4a4077bbfa3aa7af6109b90fab0b810

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
SignaturesmsKQTeINNKHNMf5vfG9DZXIn9dZhS4c3PqsEOliFFz73yuiq+ietese9JDfaIV74paEMTYGZ3ifSzJno7P5DQ==
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

2026-09-17T10:26:51.650083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069922
observed 3ea5f95258b6344bd6b39edb8d386985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.630682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069922/manifest.json
observed 5867a5c0ee1b83506fd1d091cbc32066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.614409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069922/publication.md
observed 00e989454e22e468c59f27e37115f82f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.596029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069922/publication.txt
observed d1bbab241e12586625b6ae36fd72ebcf...
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.