OpenTechnical

OT-2026-000047696

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000047696) never changes.

Identity and time

Publication numberOT-2026-000047696 · never reused
Internal UUID01a0ae7f-c41f-7695-a9ed-a2c1ae5fd5a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047696
StatusPUBLIC

Content hashes

Canonical text935d21572fb1ee4ea409f1823e461b366edeb4f028c6f0db68610e0a160cc3ca
Markdownc9d876ec3992660b9f482c03edadbf2e3880fe168c040efb7966d2ec47a6630f
PDF
Publication page72f5355091d812af37ba046dde2ebb3d6296e666f55360445723163015218489
Manifest427c26b73ce6af5b10571bc9f2b5c5e9d981fe0f19d2ba740a95af7f584ee578

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
SignatureeQgUHIlgQuqIzItrPWC6ILvI0nfLKzT38NCycLr+YEGPSbzbdZIf7NcM6aj5okDy8FrbHPe+PxvlruER8Gl/CQ==
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

2026-09-17T11:05:33.061380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047696
observed 72f5355091d812af37ba046dde2ebb3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:33.040314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047696/manifest.json
observed 427c26b73ce6af5b10571bc9f2b5c5e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:33.017961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047696/publication.md
observed c9d876ec3992660b9f482c03edadbf2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.998133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047696/publication.txt
observed 935d21572fb1ee4ea409f1823e461b36...
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.