OpenTechnical

OT-2026-000075233

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000075233) never changes.

Identity and time

Publication numberOT-2026-000075233 · never reused
Internal UUID01a0ae93-f200-77a5-8c26-fc9a1349d1fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075233
StatusPUBLIC

Content hashes

Canonical text81038f1d37fe325d0919f2ee2a134be8672d0aaf4c12be85b2baecabbac479da
Markdown7e53eaa78acedb5d394be73eb16374fc53439148106f417db36f82ac123dbb91
PDF
Publication page0d0aa721f47a1943ed5552ffc598596186788d7121320d0cd6df9b1d6330b96f
Manifestb4232b59e129cd78cb6b54111a774016f67f3791219462e276dbfdf8fe97c9f5

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
SignaturekdkDyT/RFjIf+KZxYM3ynFx7GpIrY5BDtxA8enP3xwvvIndBFV1dqetWg/hFhlwpp+vHkKp5uz4LmJI49LygDA==
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

2026-09-17T10:20:31.097044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075233
observed 0d0aa721f47a1943ed5552ffc5985961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.080044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075233/manifest.json
observed b4232b59e129cd78cb6b54111a774016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.061113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075233/publication.md
observed 7e53eaa78acedb5d394be73eb16374fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.040200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075233/publication.txt
observed 81038f1d37fe325d0919f2ee2a134be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:48.505161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075233
observed 0d0aa721f47a1943ed5552ffc5985961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:48.487358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075233/manifest.json
observed b4232b59e129cd78cb6b54111a774016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:48.468803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075233/publication.md
observed 7e53eaa78acedb5d394be73eb16374fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:48.447762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075233/publication.txt
observed 81038f1d37fe325d0919f2ee2a134be8...
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.