OpenTechnical

OT-2026-000006033

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, plant vacuum fed, contact triggered

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-2026-000006033) never changes.

Identity and time

Publication numberOT-2026-000006033 · never reused
Internal UUID01a0a94c-eb65-74d9-8b59-59377a472d33 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:19:45.640977Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006033
StatusPUBLIC

Content hashes

Canonical text46f913d9853a89e7475fbcbdf81fb767a1bfb962b14136cdcfe6d7287580142a
Markdownbd375b9dad2391d05671a7015100c2b61b1546e3d352c2e5f7a3c193646b8db4
PDF
Publication page430a58a6d0434a76cff679ff317ab9c7f40b8b23a8c4f9ec5dd7988d6ecf7654
Manifest52f94420a6272da11dab5616fe5ee931c84434319d6c2d32063593bd14d4dae3

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
Signature+anVIigh+hyGgxpu02dO2u06K6pA/vFmOpq1COpkfEoA83oQJGKalnE7t4xlxwociXGLObj18fDUvSt/KWRkDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:03.225200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006033
observed 430a58a6d0434a76cff679ff317ab9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:03.208106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006033/manifest.json
observed 52f94420a6272da11dab5616fe5ee931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:03.193006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006033/publication.md
observed bd375b9dad2391d05671a7015100c2b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:03.178707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006033/publication.txt
observed 46f913d9853a89e7475fbcbdf81fb767...
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.