OpenTechnical

OT-2026-000079424

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000079424) never changes.

Identity and time

Publication numberOT-2026-000079424 · never reused
Internal UUID01a0ae96-0b91-72c0-a993-d44a4ea0f50b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079424
StatusPUBLIC

Content hashes

Canonical text8cd592b2e4304ee9cc9b93e5600c4cdb540db56ada8124fd42b6bad9883dfa32
Markdown5f1afb10b521554a2dd86655dbcd2ddc6b2ee056402cff81a297285cb11c52d0
PDF
Publication page08baa8022dcf099992c34fed5f3ec40bfb0f22edeeab0149c897a97a467c7298
Manifeste17cffd04103c8a7e962e8d2f425bac79129c5b43af2d1510a8d9722649d89a4

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
SignaturebRnRf7Bv5l2RytCh+VHQYAWtsERVJaqEQ0qWEtAaRCOJQLyl2TcFabbj0Bgmp9Nes2QNZrARD2i5jRDtrSTvBg==
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

2026-09-17T10:05:02.966069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079424
observed 08baa8022dcf099992c34fed5f3ec40b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.947780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079424/manifest.json
observed e17cffd04103c8a7e962e8d2f425bac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.927896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079424/publication.md
observed 5f1afb10b521554a2dd86655dbcd2ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.889709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079424/publication.txt
observed 8cd592b2e4304ee9cc9b93e5600c4cdb...
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.