OpenTechnical

OT-2026-000004186

Publication integrity record

Bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector

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-2026-000004186) never changes.

Identity and time

Publication numberOT-2026-000004186 · never reused
Internal UUID01a0a911-16a9-7137-86c7-f8d29cee3942 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:14:24.556025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004186
StatusPUBLIC

Content hashes

Canonical texta10fe282afe95bdc444e0a07ed944254a639b5226bb1ab6c377c8b8720cad9e4
Markdown81344b0969f77f3f4f8b5f7fee8afd88709e31cd80fdadba41cae4e6b47abd5e
PDF
Publication paged37e59fb383fd62b6a659c593366a228f429f2919eddeca66f4e381cf8f21742
Manifesta63de420735a535a4096f1f755b42513ef86231416c068d7e28b036e6f0ea973

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
SignatureZxKNTQOnNz/Vf+adxFtn4goCByJrwfpoX4GIJsJp4Bd2wDY5kPTdkC/9YqZth93rQJjiSFmRQsegxE+otbOcDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:26.462849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004186
observed d37e59fb383fd62b6a659c593366a228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:26.450125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004186/manifest.json
observed a63de420735a535a4096f1f755b42513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:26.435147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004186/publication.md
observed 81344b0969f77f3f4f8b5f7fee8afd88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:26.420376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004186/publication.txt
observed a10fe282afe95bdc444e0a07ed944254...
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.