OpenTechnical

OT-2026-000092851

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000092851) never changes.

Identity and time

Publication numberOT-2026-000092851 · never reused
Internal UUID01a0ae9d-b601-7eb2-be29-275a47851893 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092851
StatusPUBLIC

Content hashes

Canonical text13582a9c4bb03fa09cab611815313a48527ad1a6be8086df563eda6d63a6327a
Markdown7c4148fa63689154967858fed8e011b6bde6e5ecd55321ce942989f374aca6ca
PDF
Publication page112838a820a63f944100e06bc4adf8da3002a6edd8440b5b4a50c84587b9ecd8
Manifeste32a6a3d271777514614c296016a18e462566ad725695858733902b57b7cc850

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
SignatureNr8qq/Zp85jTtym1mGcjtwd4HDLgPFSudTUMEgCHAmo2pPWSbdoSenPzyGOJ2reJzK8nWeGzTBafyoJUYNTpAw==
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

2026-09-17T09:41:30.398075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092851
observed 112838a820a63f944100e06bc4adf8da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.380842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092851/manifest.json
observed e32a6a3d271777514614c296016a18e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.363118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092851/publication.md
observed 7c4148fa63689154967858fed8e011b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.346091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092851/publication.txt
observed 13582a9c4bb03fa09cab611815313a48...
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.