OpenTechnical

OT-2026-000094580

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000094580) never changes.

Identity and time

Publication numberOT-2026-000094580 · never reused
Internal UUID01a0ae9e-f4e9-7ca0-b847-4c54b817eae3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:28.117587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094580
StatusPUBLIC

Content hashes

Canonical text3b5d1c3cda41d99a681d7d75036f41b7d01f5662b192c09a41c15fa37206c54c
Markdown83c433d73d0c1eebeef207b205d91d8336d77ff003485f46cf86021b11486d01
PDF
Publication pagef5856a228c1636e98ded752c13451578adcea4cc858e76771aea8fdec64a98a9
Manifest4505bb3a9169cab253aa6a46dcad9aa18be653fbf6c600c1e1c3e260beeb12d5

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
SignaturelhrzARXjhcTTpeisTgNpK/1/1GgStd2LhrGrHk8nQX6lGGs7dK4EcPVWKzlfyWkh5AmUlsOln1P4hS5TzoE7Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:02.212553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094580
observed f5856a228c1636e98ded752c13451578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:02.195531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094580/manifest.json
observed 4505bb3a9169cab253aa6a46dcad9aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:02.178796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094580/publication.md
observed 83c433d73d0c1eebeef207b205d91d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:02.161279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094580/publication.txt
observed 3b5d1c3cda41d99a681d7d75036f41b7...
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.