OpenTechnical

OT-2026-000033493

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000033493) never changes.

Identity and time

Publication numberOT-2026-000033493 · never reused
Internal UUID01a0ae75-a38e-7c4c-9d7e-dd1193426c82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033493
StatusPUBLIC

Content hashes

Canonical textc37387bfb7fe6aaa18fefff071318a9d4ae48c4b1e6a8fc4463b5db64d4e6d7a
Markdowna7289fa6958d878e27464112f04516572a6b661aa910ddb075f7d661b05037df
PDF
Publication pageb4e4cd2e97b85108e7eed89d83b130ef97b52dd6fb359f6dc2c55ac20856df85
Manifestda6f4475329c0f1ee3a2dca2ea899a327834293c7023d4593f2da7c648193073

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
SignatureosAxD0QMGVh6D/9fiXQVnpRbXFTTor++Iquf/pw2fTecXoqjyH1aToVu8MOk99Ig8eVSj/JsHUQ/faOvhX8jBA==
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

2026-09-17T11:31:20.491746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033493
observed b4e4cd2e97b85108e7eed89d83b130ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.473353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033493/manifest.json
observed da6f4475329c0f1ee3a2dca2ea899a32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.455970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033493/publication.md
observed a7289fa6958d878e27464112f0451657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.438011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033493/publication.txt
observed c37387bfb7fe6aaa18fefff071318a9d...
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.