OpenTechnical

OT-2026-000093054

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000093054) never changes.

Identity and time

Publication numberOT-2026-000093054 · never reused
Internal UUID01a0ae9e-0910-7570-84d9-84ce80f71e10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093054
StatusPUBLIC

Content hashes

Canonical text86ebfbec9e940b7af25d3453d2149ac626f9c76cf25de8b301a177f26dae4db2
Markdown590e184f02e8adb7b2de28b810ce5ff81bd5152795cac375103823a1bbdf5dab
PDF
Publication page49b399c3795ba8a214e7e704ecb6b3ab61b3620083bf8b68c33ae297bac4966e
Manifest70ef130445000a9442f2c6b527288bf43a91a9b97935535c6ec803893b673c69

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
SignatureVe8vdyNsBQiZSJgseeFCf2O3w5D9hmG1keR64uDZmj0MPsP0NtReOqZ/2JyLXmgwIMKOMWDh0amBYPSZ1PmBCw==
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

2026-09-17T09:40:17.875877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093054
observed 49b399c3795ba8a214e7e704ecb6b3ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:17.857558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093054/manifest.json
observed 70ef130445000a9442f2c6b527288bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:17.836877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093054/publication.md
observed 590e184f02e8adb7b2de28b810ce5ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:17.816484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093054/publication.txt
observed 86ebfbec9e940b7af25d3453d2149ac6...
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.