OpenTechnical

OT-2026-000103248

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000103248) never changes.

Identity and time

Publication numberOT-2026-000103248 · never reused
Internal UUID01a0aea4-be3f-744b-8ef8-23d2a490a2c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103248
StatusPUBLIC

Content hashes

Canonical text0531543543aada0758e7e26b06a9fbad06a1836254d5199d77ab9a74105477fb
Markdown6d558b57136a17733fe9ff2ece8fa426a3cd9fa8ded2886282dd49776276b342
PDF
Publication pagea626b22f3cfe9588e5259d6f5cc9edeff2dc785d17ce70b0955891a464f48f90
Manifeste629bf919a6194d1bbb06fdf25da158b95bc9797c091ef18a5049aecc766d9cd

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
Signature7CXIMNq3K0So4zsQ/PAJ/vpECFtdBNUROwTIU7Ie6oIpdNTcgZFJnU+ITrMSujixBaVMMIjVifW3aOgN8j4dDg==
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

2026-09-17T09:22:50.605812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103248
observed a626b22f3cfe9588e5259d6f5cc9edef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:50.591301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103248/manifest.json
observed e629bf919a6194d1bbb06fdf25da158b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:50.574744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103248/publication.md
observed 6d558b57136a17733fe9ff2ece8fa426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:50.558776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103248/publication.txt
observed 0531543543aada0758e7e26b06a9fbad...
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.