OpenTechnical

OT-2026-000087558

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000087558) never changes.

Identity and time

Publication numberOT-2026-000087558 · never reused
Internal UUID01a0ae9a-cd52-768f-b37c-77708b2c1b4b · 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-2026-000087558
StatusPUBLIC

Content hashes

Canonical texte300033afc442bcd163b2b4bbf50ac83573db51a555a794b2323581e87cca3c4
Markdown7555080d082461d37929d02c109751925357f057987490c09b848b6d70797c60
PDF
Publication page5286a281b3f16b765e3f64fe12b7204f244e254f4d4d73def0348c1007acc31f
Manifest115d72aefb6e50244652bc4b1492e346f32dae68ad4a4725a384fee3eae8b366

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
SignaturecRaqWXGiu/Ejjf5gx7NLJL7edpsRYCkklqCVX6gXMd8tpz+fFzCIjG2LVsLIOJ+HoDQXalSXookS2bl+sMTKAA==
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

2026-09-17T09:50:54.115839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087558
observed 5286a281b3f16b765e3f64fe12b7204f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.099042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087558/manifest.json
observed 115d72aefb6e50244652bc4b1492e346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.080394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087558/publication.md
observed 7555080d082461d37929d02c10975192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.063089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087558/publication.txt
observed e300033afc442bcd163b2b4bbf50ac83...
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.