OpenTechnical

OT-2026-000083043

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000083043) never changes.

Identity and time

Publication numberOT-2026-000083043 · never reused
Internal UUID01a0ae97-c961-7c98-b809-e3b8f129b244 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083043
StatusPUBLIC

Content hashes

Canonical textc97814513f2c42198c3866e244d43d19ecdae81cdbd2fd9f5b2dffdc55bc9fd0
Markdownb45dcff98f8284cfb19f88985dc03a4cfd8476e18444d6bdfc1b99cc81b0015d
PDF
Publication pagefed6a94536e86e397d6abdb7b333106e8bb4405fa049486f442ca91e63b09dda
Manifestfc01e2661fa5e4cc86b31dbf61f980de1843d9f1c91e84cd00dfd1c43b700c6f

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
SignaturewGE9uH53T9Nhv+u8oiFF65lnx2w2SCrdN57eVtCWQGrplgIvisQVyBVjyT/J+mkrpj7DPuwb21uem3ZNaCnbAA==
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

2026-09-17T09:00:24.851782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083043
observed fed6a94536e86e397d6abdb7b333106e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:24.833692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083043/manifest.json
observed fc01e2661fa5e4cc86b31dbf61f980de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:24.813617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083043/publication.md
observed b45dcff98f8284cfb19f88985dc03a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:24.674110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083043/publication.txt
observed c97814513f2c42198c3866e244d43d19...
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.