OpenTechnical

OT-2026-000090895

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000090895) never changes.

Identity and time

Publication numberOT-2026-000090895 · never reused
Internal UUID01a0ae9c-c011-79e7-9d58-72a71cf5e3eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090895
StatusPUBLIC

Content hashes

Canonical textf7e5bf1544167eb44e584f8b688e31b88620b18145fdd0c58ac6e4dae21260d5
Markdown0850465fc798ae769379b1d070fd9accf99d9371d7372f413b048ba777244ce5
PDF
Publication page2c680c04a437d265a5801201f83e532762b42e795b5a2afbcaab1fb0cedf566a
Manifestd52dfb070d0915e6f0ba243a2c43dcbe1237302c32034c02d27eaa2a6a2045bb

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
SignatureT1/OfwfUVhIz3lVMct2DaMLiiKDcdoW1Jog8w9IuC2FFZ70Mn4dQm9UVysert355RyJZ8DY5N/UBpACib3ajDA==
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

2026-09-17T09:44:05.907324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090895
observed 2c680c04a437d265a5801201f83e5327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:05.889562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090895/manifest.json
observed d52dfb070d0915e6f0ba243a2c43dcbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:05.870070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090895/publication.md
observed 0850465fc798ae769379b1d070fd9acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:05.852019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090895/publication.txt
observed f7e5bf1544167eb44e584f8b688e31b8...
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.