OpenTechnical

OT-2026-000089780

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000089780) never changes.

Identity and time

Publication numberOT-2026-000089780 · never reused
Internal UUID01a0ae9c-1a22-7cc2-acae-075445d8d06f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089780
StatusPUBLIC

Content hashes

Canonical textb031a86caac278d01c6c8aca33b8376f64e337f0e50d3d4cb8b96bc418c10f92
Markdownf1c4267e8f974e25cf00d84f28d0121befa396d8eb7865c5801179c085e202d3
PDF
Publication pageff3bcaec07df85faa44bb61fe06548753901d61feeaa0d539c186971865118e4
Manifest152a2aaa0c8eca052626cd04c861d14735b6d9fb5ce6a3299454fa4fbcef9e2b

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
SignaturemLxxSP7lL9iLEg+p6Tq3shBvcSJWTFwapQMNAXfgFxYzeT4jCVWEveesJqOQoSJaAuysXxWStLedEow1PpT6Aw==
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

2026-09-17T09:46:52.196346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089780
observed ff3bcaec07df85faa44bb61fe0654875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.178260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089780/manifest.json
observed 152a2aaa0c8eca052626cd04c861d147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.161179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089780/publication.md
observed f1c4267e8f974e25cf00d84f28d0121b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.143342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089780/publication.txt
observed b031a86caac278d01c6c8aca33b8376f...
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.