OpenTechnical

OT-2026-000083540

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000083540) never changes.

Identity and time

Publication numberOT-2026-000083540 · never reused
Internal UUID01a0ae98-0415-786e-82e9-f4dc6fe2fcf2 · 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-2026-000083540
StatusPUBLIC

Content hashes

Canonical textae1010ad81ea5a21e4bd9d61d72dd4e5e541f51cce31e6bfab9b51c9cfeb3b83
Markdown515c0d7ee0c9909e6e3cb6ed66a9b3d923ae5bf6c77a4d69e9ce2c96782d2c8f
PDF
Publication pageb1484ac6c916e8b40a666e85b1b105bd3d8147f1b092c5ad60a2f6fc15c2bfa2
Manifest6ca75ebc94762e896d49e1a53390ac9a2d57fa40777a0c34840866163ca22518

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
SignatureR7bFExfkgzNeTQLiR+L0qXeCVbEOjc+vUu4JkPdHvPJEDIJsgK3as9M7P+O3v50GPAReoB3jDCg6XAqVjwe3Cw==
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

2026-09-17T09:57:01.252920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083540
observed b1484ac6c916e8b40a666e85b1b105bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:01.235488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083540/manifest.json
observed 6ca75ebc94762e896d49e1a53390ac9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:01.217624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083540/publication.md
observed 515c0d7ee0c9909e6e3cb6ed66a9b3d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:01.198901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083540/publication.txt
observed ae1010ad81ea5a21e4bd9d61d72dd4e5...
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.