OpenTechnical

OT-2026-000089860

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089860) never changes.

Identity and time

Publication numberOT-2026-000089860 · never reused
Internal UUID01a0ae9c-428d-7d1e-a8a6-4e16edbac137 · 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-2026-000089860
StatusPUBLIC

Content hashes

Canonical text9d0a1cf26bcef1f81598c1c72234446f3e56e5db7919978d3002bc59ae8d5fd9
Markdown4ea7a7e411167d659a0fd7eb897eb125f67d2398558bec8e473b63015c9d0f58
PDF
Publication page01a1540ece38b56206b6ca3d3dabec1bcbae62c10be08dca70a9c7e5ebc694f8
Manifestb7b286c718fdc78171d232bdca99fc488a59a141bf29b323447259bc3a9faa4d

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
SignatureOFcdoZYc7RWao+j4kR2R544EDBsfHHdxCf+BIUFj9xELr41usRfeiidbSfHfcliVm0YwEjipd2EUCft75VhgAQ==
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

2026-09-17T09:45:06.582762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089860
observed 01a1540ece38b56206b6ca3d3dabec1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.564763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089860/manifest.json
observed b7b286c718fdc78171d232bdca99fc48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.544784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089860/publication.md
observed 4ea7a7e411167d659a0fd7eb897eb125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.527802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089860/publication.txt
observed 9d0a1cf26bcef1f81598c1c72234446f...
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.