OpenTechnical

OT-2026-000031970

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000031970) never changes.

Identity and time

Publication numberOT-2026-000031970 · never reused
Internal UUID01a0ae74-bad2-7994-9551-9f359b777d62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031970
StatusPUBLIC

Content hashes

Canonical textc816a821715b3a576c9dab23b0286d04204606263f1964cfbac1093d0eb522b4
Markdown6c08f099b965e1e2187ab445510f1a882e59de4bc7accc0ff15125ff4f364a9f
PDF
Publication page113ba9fc4fd531525a020cae3be9d09d6b0fd469a39642eb7a8874741df263fa
Manifest1b3409f9d19a1ca844b89ce034d9f1622670a265a45a3b37e47562bf044bdf67

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
SignatureRpnw0Tq1iE1TUHdmBy0Oz0pPYW3wUGUGsruzbrGYa5Uz+uZtFy+6f+7xz8k3yHAcAI7G2ABxy9WbD0uhakZ1Cg==
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

2026-09-17T11:35:15.836834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031970
observed 113ba9fc4fd531525a020cae3be9d09d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.819784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031970/manifest.json
observed 1b3409f9d19a1ca844b89ce034d9f162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.803488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031970/publication.md
observed 6c08f099b965e1e2187ab445510f1a88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.785960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031970/publication.txt
observed c816a821715b3a576c9dab23b0286d04...
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.