OpenTechnical

OT-2026-000026948

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000026948) never changes.

Identity and time

Publication numberOT-2026-000026948 · never reused
Internal UUID01a0ae72-3452-7222-8e3f-9304d4339517 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026948
StatusPUBLIC

Content hashes

Canonical text24902489e5db7175820270dd8a297fba7658dcea42ea36180b00a90c3336d1c5
Markdownc5378bc0aac0ba105a112e1dcd7ca318d81b87a7e67f055339abaf7c59b6fd68
PDF
Publication page3975dd165a00f89d8e1fccce9d02d37794bd649f02a99f95b112cbf4f88aca49
Manifest201e2a317891750105a8f4782d472b7e13c7eedb210fbaf13718a2776dc7c711

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
SignatureStYgMhECJud8INztnALhHhHgodO54JhR4349eiF+nxMlX6fePt8y1qCuX8zfRnbFpE0dea7HUo8Vk8/7p8IyDA==
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

2026-09-17T11:43:34.074165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026948
observed 3975dd165a00f89d8e1fccce9d02d377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.058657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026948/manifest.json
observed 201e2a317891750105a8f4782d472b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.041821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026948/publication.md
observed c5378bc0aac0ba105a112e1dcd7ca318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.026022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026948/publication.txt
observed 24902489e5db7175820270dd8a297fba...
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.