OpenTechnical

OT-2026-000062612

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000062612) never changes.

Identity and time

Publication numberOT-2026-000062612 · never reused
Internal UUID01a0ae8c-0ac1-7701-a75f-4f038ebea4ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062612
StatusPUBLIC

Content hashes

Canonical textb1fcd2ec8670fcbba941f549790cdbb84c3c7e15d9d0d437982ddcfd871f0861
Markdown9a674d11e70d46937202ea5815f4e238b9a574852b050e9b2f994a7104683477
PDF
Publication page655414301e27e9e2e447c92e733d0c06d02507cb8cc00e4827fb82c474f44d18
Manifest03417be9b71360321aab58aa22e0ae46b233ee83706fe4785a04229050920dbd

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
Signaturet9xAx20Yqoyu3focXqFDia1LaZb99dn5BVzS9X9R0V04tLjZ+EWymtIJyD3kzavrtu6tV8Up1OSi8xupvNGBCA==
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

2026-09-17T10:40:06.996376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062612
observed 655414301e27e9e2e447c92e733d0c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.977381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062612/manifest.json
observed 03417be9b71360321aab58aa22e0ae46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.955829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062612/publication.md
observed 9a674d11e70d46937202ea5815f4e238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.936102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062612/publication.txt
observed b1fcd2ec8670fcbba941f549790cdbb8...
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.