OpenTechnical

OT-2026-000069173

Publication integrity record

Four bellows cup 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-2026-000069173) never changes.

Identity and time

Publication numberOT-2026-000069173 · never reused
Internal UUID01a0ae90-6dcf-7f08-abb3-7515094bc49d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069173
StatusPUBLIC

Content hashes

Canonical text8089c34de7990739d735749962e6ff469fbac4e336cf331a89e1ef1563113a64
Markdown8a27e08acdbf149ef11a2febe52b8af54a8a062a7e720adca5cc03ad96ce7c96
PDF
Publication page911d81e4b91e77a16cccb0f7219a4008b14b2e24412975862cdd70a202ce7f18
Manifest3b5e4ef9f0a9e96fff848ede642ab5fd98bf776543005117654843f634ce7620

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
SignaturegJGaV8OnpkJcHxzICSYKHMNUYISC2GXLppO48mrTVwfaeu46rWOVs4tBf9940pXn47RIolh1CAmolqILhSFmAw==
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

2026-09-17T10:29:03.768327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069173
observed 911d81e4b91e77a16cccb0f7219a4008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.750452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069173/manifest.json
observed 3b5e4ef9f0a9e96fff848ede642ab5fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.733503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069173/publication.md
observed 8a27e08acdbf149ef11a2febe52b8af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.716970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069173/publication.txt
observed 8089c34de7990739d735749962e6ff46...
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.