OpenTechnical

OT-2026-000043392

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000043392) never changes.

Identity and time

Publication numberOT-2026-000043392 · never reused
Internal UUID01a0ae7b-327e-723b-ae48-76383f09c656 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043392
StatusPUBLIC

Content hashes

Canonical text6d456fd12dd363db131b4fe9502990028f0d1feaaea87e4e5b1e30f5e72e8d1e
Markdown5bb28ed2cbbd10bb7522e4e15c22fb735a6428de8983279cb98777441030cd27
PDF
Publication page6e10a94be2213fd9efb570ad3a8731893edb3b5ce9539ebff6baf4114fe8deb9
Manifestb7254be9456bb31e3cb642916c690340c1ad542b69cbae4a820c3236e690fd96

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
Signature2CqV3QaaqEh/AM26lKTBJzjpz1WINCX4cqlKcClZs4cV2JZXh1Et7dfZR/GvGBPej4x7vZjIlAsKL9qQVHcqDw==
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

2026-09-17T11:13:55.518542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043392
observed 6e10a94be2213fd9efb570ad3a873189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.499207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043392/manifest.json
observed b7254be9456bb31e3cb642916c690340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.478360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043392/publication.md
observed 5bb28ed2cbbd10bb7522e4e15c22fb73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.458953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043392/publication.txt
observed 6d456fd12dd363db131b4fe950299002...
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.