OpenTechnical

OT-2026-000091389

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091389) never changes.

Identity and time

Publication numberOT-2026-000091389 · never reused
Internal UUID01a0ae9c-f16d-7436-8308-e1f9d792d6be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091389
StatusPUBLIC

Content hashes

Canonical textb65ca5132fbaef2a97500193da86e7885518b49922e88249a139c6f2645f77e6
Markdown9e23bba1c9c05b6ff4539b045bd43d55aa88ea523d7e8d73a3b7a254b6ec0620
PDF
Publication page01c49b60a0f47a0eed27d01794a4b33fb8da16a8c5dd3d045021cb43cff9cab6
Manifest8229d1b417d8f7d6ff29f4aa9181843deb56adeeca53edb5053419fb2af85137

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
SignatureCDxx5pcMZHyNNhgQjUAXiRoMRvOY4wPDTLAh2YFrv+kGm52KAL6uThBlnQT1Nzdnu2PLPUVGzq5W4Ykiw4a6Cw==
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

2026-09-17T09:43:36.780643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091389
observed 01c49b60a0f47a0eed27d01794a4b33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.762376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091389/manifest.json
observed 8229d1b417d8f7d6ff29f4aa9181843d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.744242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091389/publication.md
observed 9e23bba1c9c05b6ff4539b045bd43d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.726894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091389/publication.txt
observed b65ca5132fbaef2a97500193da86e788...
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.