OpenTechnical

OT-2026-000084386

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000084386) never changes.

Identity and time

Publication numberOT-2026-000084386 · never reused
Internal UUID01a0ae98-5b62-7c23-81da-cf0fd235d9bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084386
StatusPUBLIC

Content hashes

Canonical textad0be44845a70b22bd4573278eeed3e2414b2c30d9ccc96b830206370cab9fba
Markdownd436ba440e84415fceaf4d833f066016ab97a768d267de94bd32dcc0e632c596
PDF
Publication pageb5a7c3b3f83174d8e26f819031c3a8590990ac471086fff3012b9c05564c669f
Manifest5b337641148d587d086f7fac1512c7f9b741abea7a22c876496922b01f2e117d

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
Signaturepm5W1IJPE27gUjtm7PazetUeTVyFtkaHU0sxSdlPbkoAbefP4I6tUCy20hksZ2HWUlYY2JFUH4pT59haczvvAA==
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

2026-09-17T09:56:19.661132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084386
observed b5a7c3b3f83174d8e26f819031c3a859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.643137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084386/manifest.json
observed 5b337641148d587d086f7fac1512c7f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.625380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084386/publication.md
observed d436ba440e84415fceaf4d833f066016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.606581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084386/publication.txt
observed ad0be44845a70b22bd4573278eeed3e2...
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.