OpenTechnical

OT-2026-000090692

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000090692) never changes.

Identity and time

Publication numberOT-2026-000090692 · never reused
Internal UUID01a0ae9c-7f30-7de4-916e-8a6588cfd2fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090692
StatusPUBLIC

Content hashes

Canonical text2bb7b65474ac45855d90bd51f8550cbbc85d82292c7227a5c90887ed2718035f
Markdown8b1d2ea42926f1f6bac25d2f6c8ee96ab89134fef8befd4216f2c4ff6e413a64
PDF
Publication pagea9b0f0df1a59f48e33b8e6b72eb30b539ef99cb6f84d68757e11d7405d806064
Manifest34beb11fd3dc8c28ad3a34ecf0d39da9792204e6f92426bf1bd3c5ecf85de74b

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
Signaturebv4vOiQrs3pWSQxUgIqxcsbsmYgK0XUPFtgJFGu5T0soDNrksPLGzgLbGZWFW+KoMsn9yu/X2WRf1zCP/BnfBA==
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

2026-09-17T09:44:53.552959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090692
observed a9b0f0df1a59f48e33b8e6b72eb30b53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:53.536211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090692/manifest.json
observed 34beb11fd3dc8c28ad3a34ecf0d39da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:53.519080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090692/publication.md
observed 8b1d2ea42926f1f6bac25d2f6c8ee96a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:53.502227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090692/publication.txt
observed 2bb7b65474ac45855d90bd51f8550cbb...
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.