OpenTechnical

OT-2026-000081459

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, sustained blow-off before set-down

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-2026-000081459) never changes.

Identity and time

Publication numberOT-2026-000081459 · never reused
Internal UUID01a0ae96-f375-7b30-bd56-78612eedf120 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081459
StatusPUBLIC

Content hashes

Canonical text74ea1fc7ecc4270b02238c1c1f1d8176706352b033d46768ddcf968a8a80c0b8
Markdowna76887d70f746a15064033240069ba7fffa4a243b8a096a44547d2ea2146c503
PDF
Publication pagec2a8e170c98012bcf04de4887cd0e7a400044ace2521b6462099f9c843c5cc0e
Manifestbf0076f3e071eb58fddaeca5f6ffb096e3ef843fe0a2763c763bd485ed1a3388

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
Signature/J7OFmUuLgoIwMSVN7N7ixt7lRp5DMHU5kJRBgQf/XmHP5tsbUUzSeVbye6OH0A9wP2u7erkxBiZg8FoA0jQCA==
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

2026-09-17T10:01:37.316778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081459
observed c2a8e170c98012bcf04de4887cd0e7a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.300412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081459/manifest.json
observed bf0076f3e071eb58fddaeca5f6ffb096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.283495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081459/publication.md
observed a76887d70f746a15064033240069ba7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.267367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081459/publication.txt
observed 74ea1fc7ecc4270b02238c1c1f1d8176...
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.