OpenTechnical

OT-2026-000078577

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two 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-2026-000078577) never changes.

Identity and time

Publication numberOT-2026-000078577 · never reused
Internal UUID01a0ae95-7c29-761a-9d5d-0924b97c5466 · 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-2026-000078577
StatusPUBLIC

Content hashes

Canonical text1c7323ee397eee552173fb6a4c71bbff4a1fcdb746371d7388260268432269c2
Markdown33c22764369bfa2160cfe696972e98168cbf992280282aae82fcdf45ce6ed64e
PDF
Publication pagef1509cfa1e0b3270c8d2cffd43cc227a785d9670978dc86dc41a99792a3fb9b2
Manifest216c2e1cbdd8da12501e5a1a20eac075650499a0e206a9f5b7a7b4692437edb0

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
Signature5/01zZ2UqPXG0zxuUte5KP7v1SLl5ok73N156FBlLV7kr5uLImjY9/Y+eSi0voMMTTJRGEQevWsgLj45GyRIBw==
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

2026-09-17T10:06:36.142964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078577
observed f1509cfa1e0b3270c8d2cffd43cc227a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.124776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078577/manifest.json
observed 216c2e1cbdd8da12501e5a1a20eac075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.106478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078577/publication.md
observed 33c22764369bfa2160cfe696972e9816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.087888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078577/publication.txt
observed 1c7323ee397eee552173fb6a4c71bbff...
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.