OpenTechnical

OT-2026-000080457

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000080457) never changes.

Identity and time

Publication numberOT-2026-000080457 · never reused
Internal UUID01a0ae96-7e78-7ce8-8a74-42104acaca7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080457
StatusPUBLIC

Content hashes

Canonical text1876a6f1c0dc924bc481d822073050080226712fa72a10c0dd4f95cc77aa4eda
Markdown54d8560939f3513d601a52e7aa561ba3b08b9041b08b4d2dadbfb35bcfe93bd5
PDF
Publication paged74d761c65505f87641d93f5c9577300466aa3e42e015d4af30f7eca31bb99e5
Manifest10d4cad84151cf699519c6a9a1a951926095f206efe4304500bdbe828c22cf60

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
SignatureIGVW9PvGVGVVLms20oRrsYEo26s3lGeJbHPNAtnLXN1AViE7ryLn7YMeNA1XS+P6TP4g8v7bEwv7XqcPorK3AQ==
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

2026-09-17T10:02:58.573465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080457
observed d74d761c65505f87641d93f5c9577300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.554270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080457/manifest.json
observed 10d4cad84151cf699519c6a9a1a95192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.531719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080457/publication.md
observed 54d8560939f3513d601a52e7aa561ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.514048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080457/publication.txt
observed 1876a6f1c0dc924bc481d82207305008...
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.