OpenTechnical

OT-2026-000080398

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000080398) never changes.

Identity and time

Publication numberOT-2026-000080398 · never reused
Internal UUID01a0ae96-7e78-7bad-89b7-da2f3d6b147c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080398
StatusPUBLIC

Content hashes

Canonical texta7cd2d35583d7ff63870f52768123df9da78f931809862d39fc44cc4f09ffd66
Markdowncf3842f864b4b0f928c7207a0cf86391b4012dafe038a1073ff97d7a4ce3be0c
PDF
Publication page3c3898081cc340df72d538d0ad0e35c807bed1da6038db8bf1e335445dab03cf
Manifest93c03bed790a5a7a28ef19dc8441827750d778b574532bf28089f947fc3111fc

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
SignatureCEgQZQ1//v1jQoAGdmefOSnygEvIJIbrWv9X+PbBzj5Q1eD8K5gff+4+FKKiy8mAx0D/MIIT9SvR5aH6KBglCQ==
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

2026-09-17T10:02:53.874105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080398
observed 3c3898081cc340df72d538d0ad0e35c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.857499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080398/manifest.json
observed 93c03bed790a5a7a28ef19dc84418277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.839805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080398/publication.md
observed cf3842f864b4b0f928c7207a0cf86391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.822183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080398/publication.txt
observed a7cd2d35583d7ff63870f52768123df9...
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.