OpenTechnical

OT-2026-000022487

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off before set-down

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-2026-000022487) never changes.

Identity and time

Publication numberOT-2026-000022487 · never reused
Internal UUID01a0ae6f-f4fe-7bc2-9500-b165e32fba50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022487
StatusPUBLIC

Content hashes

Canonical texte2d622e23e25291d754e50c5c05ec6b1d51ba69d8816a626087f0b327367e3a3
Markdown0660de702e6fa6671d3a150144346d61c9e762b4f4c1e58c38ce52755abec5bb
PDF
Publication page5a586b5bb97a81db29b57bc44ff016d96d288ba10167db67a3a45deea6701884
Manifest6ec77860fb53edd6f8ab2d2ab40a42e2b8039107a5d98961fd9c6a665148b2aa

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
SignatureZA97xdFRepGa8BIW9haUaPPXrM29xHRbJdrN48kax9nS79yggJRZf4pMsCainIU8XnqtZwFjAmh/rB4JXRFPBA==
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

2026-09-17T11:53:54.421545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022487
observed 5a586b5bb97a81db29b57bc44ff016d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:54.392615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022487/manifest.json
observed 6ec77860fb53edd6f8ab2d2ab40a42e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:53.597792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022487/publication.md
observed 0660de702e6fa6671d3a150144346d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:53.578340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022487/publication.txt
observed e2d622e23e25291d754e50c5c05ec6b1...
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.