OpenTechnical

OT-2026-000088290

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line 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-2026-000088290) never changes.

Identity and time

Publication numberOT-2026-000088290 · never reused
Internal UUID01a0ae9b-5d26-7f4d-8442-e231f5bf1338 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088290
StatusPUBLIC

Content hashes

Canonical text1e1c3a221cad1cc1492a0420747643e06256606b4a73ac6b5fdb668ec437537f
Markdown93679cb426f7b6abf374f9cf5066796329a4a68ebf95fb0b5bcf9ac35ee3ce75
PDF
Publication pagec2c5da15c59972b14376c34a4fb2f89b4804c9b7fee1d394e6e5fdc60add07b5
Manifest9f6b8bd70c38add9cfafe00ecd38c6c5ae49615a5a9497cd7de4fd44c028a98b

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
SignatureDmdGnyiL5CZFS87VQ/SgextKHN0Ek+/2186YQr9c+Gr9o2rkYQntjQmecVXmznd+07EYjJKzlL2Hk8UqeY6KBw==
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

2026-09-17T09:48:37.292609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088290
observed c2c5da15c59972b14376c34a4fb2f89b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.275289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088290/manifest.json
observed 9f6b8bd70c38add9cfafe00ecd38c6c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.258715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088290/publication.md
observed 93679cb426f7b6abf374f9cf50667963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.240326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088290/publication.txt
observed 1e1c3a221cad1cc1492a0420747643e0...
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.