OpenTechnical

OT-2026-000072556

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000072556) never changes.

Identity and time

Publication numberOT-2026-000072556 · never reused
Internal UUID01a0ae92-89d8-7cb8-a54c-832a17d8737b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072556
StatusPUBLIC

Content hashes

Canonical text182bdace80f96d58f7312293b663298dd2c770a44a93e5559020efb7582a7b94
Markdown2f205a7e1f015cf6bfc2f3edaad11e958d688e0609ca7ffc3ab471e3aa7ef667
PDF
Publication page36eb454b4424082427ad7a4895cb92f960428dd3d10375962447174cd78274f7
Manifestc5be25858a18ed8a29a4e8e0c6cbe8bbd73f92a699cae6a5faa6db7cc2cee531

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
SignatureqLHl34lLxCcoL0SvGfQtgLNLTIrBL3lI/OogiwNNGFwrnAGk7Ld+HJIUVKHWGu3uaVuWyr5fKZ2I+hX9uq6JBA==
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

2026-09-17T10:22:23.320341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072556
observed 36eb454b4424082427ad7a4895cb92f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.302566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072556/manifest.json
observed c5be25858a18ed8a29a4e8e0c6cbe8bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.284438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072556/publication.md
observed 2f205a7e1f015cf6bfc2f3edaad11e95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.266448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072556/publication.txt
observed 182bdace80f96d58f7312293b663298d...
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.