OpenTechnical

OT-2026-000087432

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000087432) never changes.

Identity and time

Publication numberOT-2026-000087432 · never reused
Internal UUID01a0ae9a-cd50-78c4-b282-8edac65adc9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087432
StatusPUBLIC

Content hashes

Canonical text8492af6478d2e3d36f4d24b3e007b113827352137e616f78ca1d3f9960c44667
Markdown2fc52ef30fb2cda045be413d2e35778173cf02dc77f28c18d4eb5cbabd1e5df7
PDF
Publication page6e9b7b3245ab81fac3d4a3b0e8f34f6d9c57b2bde64378ba163beb6235c8e8aa
Manifest9de2da031a48144db7f1e00004701786e1add617d790dcece5e7fd427b6139ff

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
SignaturemH2FhT36ypFgwmQp2eLflfLxBw55V/uK6n5JFJ13pEvSnWlP99S8ZDfI+K86Gcz+Mq1NPSNg6rRwA2QD5TcCBA==
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

2026-09-17T09:50:45.231987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087432
observed 6e9b7b3245ab81fac3d4a3b0e8f34f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.212749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087432/manifest.json
observed 9de2da031a48144db7f1e00004701786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.193408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087432/publication.md
observed 2fc52ef30fb2cda045be413d2e357781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.175531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087432/publication.txt
observed 8492af6478d2e3d36f4d24b3e007b113...
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.