OpenTechnical

OT-2026-000069154

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000069154) never changes.

Identity and time

Publication numberOT-2026-000069154 · never reused
Internal UUID01a0ae90-6dcf-7ae5-b643-51614277a985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069154
StatusPUBLIC

Content hashes

Canonical text3c94ad6f0547df9fde5dae6533c016813a0f6e91bb6c468f0d4a1fc4d11c8c2f
Markdown48eecbbd60e4bb97ab6ec823503d2aae1caae67d133e4aa45d09a2d81722e161
PDF
Publication pagee20214abd011c0ed5213f73ec47ca15219b6587e3e388512b05a281482718547
Manifest437ca4f468bff59a5986398c939374b8d7a77f1566889339bea8e5e74fe4174b

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
SignaturerAbITP3m0dJxI2SrJ/vgV+fzok67GeLGVenqVpH28++7/ZLRkntj66wKLwQfdqcgZ9Xx/eg7FxxaP8XUOm0sAQ==
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

2026-09-17T10:29:02.410937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069154
observed e20214abd011c0ed5213f73ec47ca152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.392657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069154/manifest.json
observed 437ca4f468bff59a5986398c939374b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.375451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069154/publication.md
observed 48eecbbd60e4bb97ab6ec823503d2aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.356108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069154/publication.txt
observed 3c94ad6f0547df9fde5dae6533c01681...
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.