OpenTechnical

OT-2026-000025141

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000025141) never changes.

Identity and time

Publication numberOT-2026-000025141 · never reused
Internal UUID01a0ae71-5fa5-7258-a111-73f12f0ccaee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025141
StatusPUBLIC

Content hashes

Canonical textfe4c1741cd0cc1b10a664a3425e6ad7b9802ee9faf27295f92a2dbddca478fea
Markdown50b27a06530f0bbfe0b64c239389c186125cbc2ebb17dc8d3ca71e67f97379a9
PDF
Publication page9dd0ee62c396beed7336181400668d94b0e81ea87c22208e161d66dc7d3132f7
Manifest9ff18b65343c812e6f780052dc7a2d517c263b82ff2c212e242e7316407e6a3c

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
SignaturedC2lLp3v2Btsd+XMASQc93TLwx2MUU6i89RV18xzb5ApLUCZbwV79awP7i86o0nvLImDG8IgZMYjG4/gJdUBBg==
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

2026-09-17T11:47:01.464431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025141
observed 9dd0ee62c396beed7336181400668d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.445904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025141/manifest.json
observed 9ff18b65343c812e6f780052dc7a2d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.427071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025141/publication.md
observed 50b27a06530f0bbfe0b64c239389c186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.400363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025141/publication.txt
observed fe4c1741cd0cc1b10a664a3425e6ad7b...
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.