OpenTechnical

OT-2026-000090587

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000090587) never changes.

Identity and time

Publication numberOT-2026-000090587 · never reused
Internal UUID01a0ae9c-7f2f-7b6f-9254-6d3d90395524 · 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-2026-000090587
StatusPUBLIC

Content hashes

Canonical text6272965579ec5d81573d8085b929d0698f3d1ac1b083db703d75ba6f4dfc75fb
Markdown9cf993ae30ef131ef4988abf90930d757f69d01be2242b97248aed175268e3a8
PDF
Publication page3aafef8d77a0448e21f7d2bf8820269538c3324c59e94b1151fe72a720b1bfb9
Manifeste3cffaf8abeca59e5ce4d0acb3b028b5c356216aca283a9e1d9259be6d4221d5

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
SignatureJx/P6AbbcRJjFmsFsqUZW6tOt94XaySNVRDaNmvfr+7xsGuGAg6yv/5o3TWo7reovydDKqzgJM8Wq5D9FOgJCQ==
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

2026-09-17T09:44:46.169790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090587
observed 3aafef8d77a0448e21f7d2bf88202695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.153458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090587/manifest.json
observed e3cffaf8abeca59e5ce4d0acb3b028b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.136559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090587/publication.md
observed 9cf993ae30ef131ef4988abf90930d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.119720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090587/publication.txt
observed 6272965579ec5d81573d8085b929d069...
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.