OpenTechnical

OT-2026-000090155

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold 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-2026-000090155) never changes.

Identity and time

Publication numberOT-2026-000090155 · never reused
Internal UUID01a0ae9c-428f-703f-b185-43e4f56e4b4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090155
StatusPUBLIC

Content hashes

Canonical textaa7385ac7a02bb061d4b26f9a68222b57a42484125f7bd3a9cea5d192832a57c
Markdowne6ba6a64c1390b5164fe5f50d69777a2bea9e8d9cc9917763e9ab8f32474f635
PDF
Publication pageef37d539355a83650998ee574c8658f5147e3094dfb605ad2406c1a1e35d6efc
Manifesta1146c40679a7655ca6c48f3808d6e2c48e5febae58813f541700f5f3fe1ae88

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
SignatureDp5wx1+j/QzhNr2/LJKnYSPhMdm5Tv/6zr1rMpt5yo+97ExDENRJOC/XCI90ABgW773cvOzNYX15ZXV29Ce8CQ==
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

2026-09-17T09:45:40.174846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090155
observed ef37d539355a83650998ee574c8658f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.156640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090155/manifest.json
observed a1146c40679a7655ca6c48f3808d6e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.138370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090155/publication.md
observed e6ba6a64c1390b5164fe5f50d69777a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.119626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090155/publication.txt
observed aa7385ac7a02bb061d4b26f9a68222b5...
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.