OpenTechnical

OT-2026-000033424

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000033424) never changes.

Identity and time

Publication numberOT-2026-000033424 · never reused
Internal UUID01a0ae75-8980-7db1-9ef2-570c2e849534 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033424
StatusPUBLIC

Content hashes

Canonical text414635ff13818340b039e6d28e58bd1eb23f5b17b74cbeae97399365b21c4d30
Markdownafeef755469a291cc738877d8590dbb7a0c3c2f538fd9f719e1f13c897ccfff8
PDF
Publication page0cbf2d656c64118f9497125f7c002e3565ddc1d84bd48a48d11cd7e48a1ce14e
Manifestef174909b8604d2b953199d3ab65bc23401ba9362873657985c7a20565e62906

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
SignatureiIWgimCj3wZRCVue9G9ASTPc0VLsoNx8F6SLvO10V1G6nq6xswpEH/Z0AlBlHmL2UZICll1uX6vyzzjE2RRuCw==
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

2026-09-17T11:32:12.627437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033424
observed 0cbf2d656c64118f9497125f7c002e35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.610068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033424/manifest.json
observed ef174909b8604d2b953199d3ab65bc23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.593471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033424/publication.md
observed afeef755469a291cc738877d8590dbb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.575404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033424/publication.txt
observed 414635ff13818340b039e6d28e58bd1e...
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.