OpenTechnical

OT-2026-000066655

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000066655) never changes.

Identity and time

Publication numberOT-2026-000066655 · never reused
Internal UUID01a0ae8e-ce42-75f9-a6bc-e3ae8818d195 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066655
StatusPUBLIC

Content hashes

Canonical text822b9c58e68f9e9ecd8832c2963aa498975e0c1db97817c0f7739a39970e2431
Markdowndcb25c8b6a7bba3045cb4604d249e043311ba164065103e5d12c7d5ac4701f94
PDF
Publication page4d7a7a07d2ebcfdce066b82654810c2815cba31b553e7d6ba8fd5c3f4478b028
Manifest70181d97e02c412ab3ebce9932194cd19880c76458e13cf31b16190e5aac95d4

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
SignatureVh1zGyJ2S5+T/RDSRnrdJfVV16gbG38To2JyJ70m8lSmQxupkQtMPznkteWnfu+IHjKXTGI45Jc+35JqkTs/Cg==
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

2026-09-17T10:33:02.495153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066655
observed 4d7a7a07d2ebcfdce066b82654810c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.475015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066655/manifest.json
observed 70181d97e02c412ab3ebce9932194cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.455528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066655/publication.md
observed dcb25c8b6a7bba3045cb4604d249e043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.435502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066655/publication.txt
observed 822b9c58e68f9e9ecd8832c2963aa498...
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.