OpenTechnical

OT-2026-000027204

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000027204) never changes.

Identity and time

Publication numberOT-2026-000027204 · never reused
Internal UUID01a0ae72-3454-7584-8052-88ccc8391951 · 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-2026-000027204
StatusPUBLIC

Content hashes

Canonical text7c39dc10f2a2f3ec87faab237e3a585ed61bba8a3f28e25198645ebd50d40c34
Markdown1201a731f13f0a099549eb5ca974b4a3c9cfec892a94c40594fc619e765e73e9
PDF
Publication pagea2dfb5b645754937d07b2041d8879257225fed53978c0f844990f7471ed58f13
Manifesta880f4ccd2fd58c300799832651754b9fd0066ddbe5a00652b483e084f1ddb3a

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
SignatureMDafwrgNgLqHbo5yrFTDbwHsHFExcg1kPf6GxpMHZqm1KtXBkGheGbWWUU/SJCQpLlRL9IOH1jZT6svDTYxvAg==
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

2026-09-17T11:44:05.638582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027204
observed a2dfb5b645754937d07b2041d8879257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.623102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027204/manifest.json
observed a880f4ccd2fd58c300799832651754b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.607043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027204/publication.md
observed 1201a731f13f0a099549eb5ca974b4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.591138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027204/publication.txt
observed 7c39dc10f2a2f3ec87faab237e3a585e...
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.