OpenTechnical

OT-2026-000031288

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000031288) never changes.

Identity and time

Publication numberOT-2026-000031288 · never reused
Internal UUID01a0ae74-87ac-7d21-8b6c-0934157b5682 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031288
StatusPUBLIC

Content hashes

Canonical textbeb4701c71514c12fae84d9ac840be9f702baf8bfb25c637ac0a866c5c5ca3fb
Markdowna1ce2537f35bda6edf4d693273799c6170fda2d87e061b279640ea875c535bc5
PDF
Publication pagee276e806e6f7a88418e3e420d3b6aa803cdd8555beca60f912b2ef46bb46ae1e
Manifest6ec32d6de5c6bab743669db3f7d2bca8b68296b40ab8270587d657bddeb0485a

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
SignatureomOF8EHmLxiIyGkH9ny5YiLTaK0fXstrME6Kl3hOcIukjJr9BW+tEP3/4MRNc6NGmrnmwHHsD9RZZKC94jvcBg==
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

2026-09-17T11:35:52.335324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031288
observed e276e806e6f7a88418e3e420d3b6aa80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.315784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031288/manifest.json
observed 6ec32d6de5c6bab743669db3f7d2bca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.297420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031288/publication.md
observed a1ce2537f35bda6edf4d693273799c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.280675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031288/publication.txt
observed beb4701c71514c12fae84d9ac840be9f...
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.