OpenTechnical

OT-2026-000017687

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000017687) never changes.

Identity and time

Publication numberOT-2026-000017687 · never reused
Internal UUID01a0ae6e-96fa-7e63-89e6-2f6208daaaba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017687
StatusPUBLIC

Content hashes

Canonical text6f9fe6b8d861432f5699c1bea6639f4cbd25f7d2f7c467aac06f119b7d2abfed
Markdowna20a3c0391e1bf6bed4c465edbbed5518214ce2a9a8e379480bc251f7853d50e
PDF
Publication pagec3c6f9603107d282ea43d860c0c0b86f8bfb57e8be8b4165c60fd9bda518c533
Manifeste69b9c5d8b29f1eff552a2bb3835985eaa185764e996ae8f68f44699af894152

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
SignaturezVOf3ER7YzibvZF1Nio03I/I1H0de1HSn2OS+pxsnsok2N3jIaJFJYk3SoW63yg8mWuXO4HPsY9wOaYZyYwhAQ==
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

2026-09-17T12:01:37.741530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017687
observed c3c6f9603107d282ea43d860c0c0b86f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.724494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017687/manifest.json
observed e69b9c5d8b29f1eff552a2bb3835985e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.705478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017687/publication.md
observed a20a3c0391e1bf6bed4c465edbbed551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.687616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017687/publication.txt
observed 6f9fe6b8d861432f5699c1bea6639f4c...
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.