OpenTechnical

OT-2026-000028856

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000028856) never changes.

Identity and time

Publication numberOT-2026-000028856 · never reused
Internal UUID01a0ae73-2a9d-79be-9cd0-e929ff9df6f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028856
StatusPUBLIC

Content hashes

Canonical textdbe85013bb22c6b3ceb463b49390428591995d100daa57e17d200b983253ab8a
Markdown185329b30c3ed9b7c1860824c92309f9b5b6681d024254d27320e157ba76ea38
PDF
Publication pagea520ebcf8ca4eee73710e9705e328cf9ae9ee86aea24a5d8d5444e7f71873485
Manifestd2d55da38fac4a73efe3adff546feb084724e3eaaf4b9bc6314e54efb9bf7e70

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
SignatureImYCrNmRrOw/NNUHcxLOKHO7ccN82uRrtaD1DXW2jp4WSRh0TA6TiWF4UHc/oEb9RzjSg+wG+f5sAUXqh1wXBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:20:10.213596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028856
observed a520ebcf8ca4eee73710e9705e328cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:10.196394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028856/manifest.json
observed d2d55da38fac4a73efe3adff546feb08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:10.177455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028856/publication.md
observed 185329b30c3ed9b7c1860824c92309f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:10.034362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028856/publication.txt
observed dbe85013bb22c6b3ceb463b493904285...
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.