OpenTechnical

OT-2026-000078539

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078539) never changes.

Identity and time

Publication numberOT-2026-000078539 · never reused
Internal UUID01a0ae95-7c29-7963-9fe9-cab863c5751a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078539
StatusPUBLIC

Content hashes

Canonical text9b7b87f4f388a8ce61a7a2a9e0b20b6d656e0721482e558f5f48cd7f59e49a3b
Markdown9bb09b617528851bf856b293b6238e7f4e34504d521d518d13651dd62335f0ac
PDF
Publication page52eb1494fc367c728206db3c7cb53eaaf7166df57f43c1507b27f0e677538f51
Manifest08a1b415fe6c6fd52bb784424cf91de05c885b221469c70c55cd4abfaa727642

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
SignatureHoc3rJcBDnyHqqhyxfzscTYunrRaXKS1eY7biRazBj0DX35vGZSq5mjKPV1EZ13QASnmFu+AXkencCzz8YdRBg==
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

2026-09-17T10:06:33.534406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078539
observed 52eb1494fc367c728206db3c7cb53eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.515335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078539/manifest.json
observed 08a1b415fe6c6fd52bb784424cf91de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.494580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078539/publication.md
observed 9bb09b617528851bf856b293b6238e7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.476162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078539/publication.txt
observed 9b7b87f4f388a8ce61a7a2a9e0b20b6d...
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.