OpenTechnical

OT-2026-000089872

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089872) never changes.

Identity and time

Publication numberOT-2026-000089872 · never reused
Internal UUID01a0ae9c-428d-72ca-97b0-d2f4a8cb3fe1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089872
StatusPUBLIC

Content hashes

Canonical texta1bdd921baca5b0d491fd12abcdb3f8a84f52647dd6504bc5c653e45b93014d3
Markdown39be602c2bf25b467334257754b9d3a28d1cff93ac735dc6ec15356251b01426
PDF
Publication page41c8caa84b3ab635b8199ebeae71355fb645b38a552aef84dbd1aada63930435
Manifest66617f96b1ce5c8193d59b03cac68124e6827157f9819aa8fa1cf4660f7128de

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
SignatureHQX2Aq8qViTrgNazH34+bysehKYOAKHpvDolb3fs5Y39Hh7adQaowMX0CD4SEOf6dNyFO/yQ7Mx41n6JDWw4BA==
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

2026-09-17T09:45:07.650615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089872
observed 41c8caa84b3ab635b8199ebeae71355f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.631832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089872/manifest.json
observed 66617f96b1ce5c8193d59b03cac68124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.613477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089872/publication.md
observed 39be602c2bf25b467334257754b9d3a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.593633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089872/publication.txt
observed a1bdd921baca5b0d491fd12abcdb3f8a...
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.