OpenTechnical

OT-2026-000084445

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000084445) never changes.

Identity and time

Publication numberOT-2026-000084445 · never reused
Internal UUID01a0ae98-5b63-7ef6-a0f8-8d7369879445 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084445
StatusPUBLIC

Content hashes

Canonical text95fdf4a90e3d16535ff56e2db75383ac7f9f8831b6dde88f501b1b39239259c7
Markdowncbc4374ef5811f1d92eee46f5df5991e16bf18465502586aecee7360a55057bd
PDF
Publication page4491533d8c9c4a6899dc8697090c3f7964fe454a6eda8ff1785aa295ebcac183
Manifeste3e0b52787c91e12e08185800df219cbb1f004252ef0500748e0078bbfe3fcce

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
SignatureYa4eUNIE6DbUGq121d2j17XEKF1+eSc2EPjEzvmDT1m1HnBmmKbkVJG3VRrrDIdLOpt2g1M9GLK0fdpC+lj6AQ==
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

2026-09-17T09:56:24.172520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084445
observed 4491533d8c9c4a6899dc8697090c3f79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.155109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084445/manifest.json
observed e3e0b52787c91e12e08185800df219cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.137227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084445/publication.md
observed cbc4374ef5811f1d92eee46f5df5991e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.119767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084445/publication.txt
observed 95fdf4a90e3d16535ff56e2db75383ac...
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.