OpenTechnical

OT-2026-000067071

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000067071) never changes.

Identity and time

Publication numberOT-2026-000067071 · never reused
Internal UUID01a0ae8f-14fe-722e-ba87-677f9708469f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067071
StatusPUBLIC

Content hashes

Canonical textc5421d0869731b3fb9792dfad5e217158df686dac8f4f953cf22076267f3e713
Markdown1bb1a90fc8d73853edb840b7d49f705c09009b1268e289586c1365b3b455be60
PDF
Publication pageb5b78f3808912d53cbea1181bdca7ee224bfd532c4f0526d712196d92430975f
Manifest69e0639d307f35865608707f559eebbca88206656b613c564c688bebbf957574

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
SignatureymGrg0vwsQ5EaYbFQO6aIsPJrYsgBysESML8BHsN3E50Yv0A3evHjbiDdrC0cjgpd3oyBGXszwbtfsFCC84tAQ==
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

2026-09-17T10:32:19.909233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067071
observed b5b78f3808912d53cbea1181bdca7ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.892026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067071/manifest.json
observed 69e0639d307f35865608707f559eebbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.874695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067071/publication.md
observed 1bb1a90fc8d73853edb840b7d49f705c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.856586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067071/publication.txt
observed c5421d0869731b3fb9792dfad5e21715...
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.