OpenTechnical

OT-2026-000087142

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000087142) never changes.

Identity and time

Publication numberOT-2026-000087142 · never reused
Internal UUID01a0ae9a-9f2e-7352-847b-47255f93da25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087142
StatusPUBLIC

Content hashes

Canonical textbfc4d77c8205bdc043be02e2523e857aa21319a97757178560aab1cd5d8862db
Markdown60f9ab5b6b299c415766b3151d267cdccff7d682c669331aadb931007d3c66cb
PDF
Publication page210da145ba82154d671f4560f478d173ace76e37583d3f9b4444e7c257c9c843
Manifest3ecd02fa1965b9d31b7ea9842c506322c1acadba33f75c548e6b44ebdc05a992

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
Signature9jhSA4QDe5OqJsYLHBJf9VQ38+VoxztEk17GQlWDJOjE9NC1ZIZTE7aASVA4VrUJtXCVuUBiyNDOgLTQPwapDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:24.390634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087142
observed 210da145ba82154d671f4560f478d173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.373800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087142/manifest.json
observed 3ecd02fa1965b9d31b7ea9842c506322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.357520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087142/publication.md
observed 60f9ab5b6b299c415766b3151d267cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.340742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087142/publication.txt
observed bfc4d77c8205bdc043be02e2523e857a...
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.