OpenTechnical

OT-2026-000083592

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000083592) never changes.

Identity and time

Publication numberOT-2026-000083592 · never reused
Internal UUID01a0ae98-0415-7e08-9c38-ab5b1ae35d8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083592
StatusPUBLIC

Content hashes

Canonical text6d386fa959e334affd941ff73977b38f065f6a58a478e8a25d8efde9eabcf147
Markdown88890c98222deeff443faaf59a2eb29849b81e1166a1d5ce858b536d02ad9d1f
PDF
Publication pagea9fcd6ea75283e3506ff220a88f1dd89b3a3c29f75d5c5206c7b407e81f45165
Manifest5d60de7c0db913fcdbb16df9e7cdcc38d6c46631f7f5990b30cfc3ee20329c2f

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/9M+0223KYBVVNV3jU3d4OTx79tXFbujeFigVnARyXMkW0M3VU5tnKRV4/eXxWkqz5yeK4vMviTlOMIIgI/FBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:05.114283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083592
observed a9fcd6ea75283e3506ff220a88f1dd89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.097650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083592/manifest.json
observed 5d60de7c0db913fcdbb16df9e7cdcc38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.080053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083592/publication.md
observed 88890c98222deeff443faaf59a2eb298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.063169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083592/publication.txt
observed 6d386fa959e334affd941ff73977b38f...
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.